ABB 266PSH Operating Instructions Manual

Taper
Operating Instructions Manual
Short-form of Operating Instructions
for 266 pressure transmitters
Short-form of Operating Instruction SOI/266-XC Rev. I
2600T Series Pressure Transmitters
Engineered solutions for all
applications
Language Page
English.........................................................................................................................................................................2
Italiano...........................................................................................................................................................................24
Deutsch........................................................................................................................................................................46
Français...........................................................................................................................................................................68
TTG Activation.............................................................................................................................................................90
Declaration of conformity.............................................................................................................................................91
PED Declaration.............................................................................................................................................92
Trouble Sheet........................................................................................................................................................................93
Return Report...........................................................................................................................................................................94
2 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
1 Introduction
Contents
1 Introduction ...................................................................................2
2 Safety ............................................................................................4
3 Installation .....................................................................................5
4 Transmitter configuration ............................................................... 9
5 Applications .................................................................................13
6 Diaphragm seals ..........................................................................15
7 Hazardous Area considerations ...................................................16
8 Safety manual (Rev I) ...................................................................21
1 Introduction
1.1 General
This document provides basic instruction for the installation and
commissioning of the ABB 2600T pressure transmitter. This transmitter is
connected to a process by means of impulse lines and can measure
Pressure, Differential pressure or Absolute pressure. The measurement is
transmitted to a control system by means of a 4-20 mA signal with a
superimposed digital signal (Hart) or by means of a digital transmission
protocols (PROFIBUS or FOUNDATION Fieldbus).
The measure can also be indicated by means of one of the (optional)
local or remote displays. Instructions for preliminary checks, proper
transmitter location, installation, wiring, power-up and zero calibration
(trimming) of the transmitter are listed in the following chapters. In
order to assure operator and plant safety it is essential that the
installation is carried out by personnel suitably trained on the local
applicable codes on hazardous location, functional safety, electrical
wiring and mechanical piping.
Please read these instructions carefully before installing the
transmitter. The protection provided by the equipment may be
impaired if the equipment is used in a manner not specified.
1.2 Supplementary documentation
For further information, please refer to the following documents:
DS/266XX_X
Pressure Transmitter Datasheets
DS/S26
Remote Seal Datasheet
IM/266
266 Pressure Transmitter Instruction Manual
IM/S26
Remote Seal Instruction Manual
All the addendum and other documents downloadable from
www.abb.com/pressure
1.3 Use of instructions
Danger – <Serious damage to health/risk to life>.
This message
indicates that an imminent risk is present. Failure to avoid
this will result in death or serious injury.
Caution – <Minor injuries>. This message indicates a potentially
dangerous situation. Failure to avoid this could result in minor injuries. This
may also be used for property damage warnings.
Important. This message indicates indicates operator tips or particularly
useful information. It does not indicate a dangerous or damaging situation.
Warning – <Bodily injury>. This message indicates a potentially
dangerous situation. Failure to avoid this could result in death or serious
injury
Attention – <Property damage>. This message indicates a potentially
damaging situation. Failure to avoid this could result in damage to the
product or its surrounding area.
Although Warning hazards are related to personal injury, and Caution
hazards are associated with equipment or property damage, it must
be understood that operation of damaged equipment could, under
certain operational conditions, result in degraded process system
performance leading to personal injury or death. Therefore, comply
fully with all Warning and Caution notices.
1.4 Health and safety
To ensure that our products are safe and without risk to health, the
following points must be noted:
The relevant sections of these instructions must be read carefully
before proceeding.
Warning labels on containers and packages must be observed.
Installation, operation, maintenance and servicing must only be
carried out by suitably trained personnel and in accordance with
the information given. Any deviation from these instructions, will
transfer the complete liability to the user.
Normal safety precautions must be taken to avoid the possibility
of an accident occurring when operating in conditions of high
pressure and/or temperature.
Chemicals must be stored away from heat, protected from
temperature extremes and powders kept dry. Normal safe
handling procedures must be used.
When disposing of chemicals ensure that no two chemicals are
mixed.
Safety advice concerning the use of the equipment described in this
manual or any relevant hazard data sheets (where applicable) may be
obtained from the Company address on the back cover, together with
servicing and spares information.
2600T Series Pressure transmitters | SOI/266-XC Rev. I 3
1 Introduction
1.5 Product identification
The instrument is identified by the data plates shown in Figure 1. The
certification plate (ref. A): contains the certification related
parameters for use in Hazardous area.
The Nameplate (ref.B) provides information concerning the model
code, maximum working pressure, range and span limits, power
supply , output signal, diaphragms material, fill fluid, range limit,
serial number, maximum process working pressure (PS) and
temperature (TS).
Please refer to the serial number when making enquiries to ABB
service department.
The optional additional SST Tag plate (ref. C - code I2) also
provides customer tag number and calibrated range.
The instrument may be used as a pressure accessory (category III)
as defined by the Pressure Equipment Directive 97/23/EC. In this
case, near the CE mark, you will find the number of the notified
body (0474) that have verified the compliance. 266 pressure
transmitters are in compliance with EMC 2004/108/CE*.
The certification plate (ref.A) shown here is issued by ABB S.p.A,
22016 Lenno, Italy, with the numbers:
FM09ATEX0023X or IECEx FME 09.0002X (Ex d)
FM09ATEX0024X or IECEx FME 09.0003X (Ex ia)
FM09ATEX0025X or IECEx FME 09.0004X (Ex nL)
CE-Identification number of the notified bodies to Pressure Equipment
Directive: 0474, to ATEX certification: 0722, to IECEx certification: IT/
CES/QAR07.0001/02.
The certification plate (ref.A) shown here may also be issued for
ABB-APR, 32425 Minden, Germany, with the numbers:
FM09ATEX0068X or IECEx FME 09.0002X (Ex d)
FM09ATEX0069X or IECEx FME 09.0003X (Ex ia)
FM09ATEX0070X or IECEx FME 09.0004X (Ex nL)
CE-Identification number of the notified bodies to Pressure Equipment
Directive: 0045, to ATEX certification: 0044, to IECEx certification: DE/
TUN/QAR06.0012/01.
The same certification plate (ref.A) can be issued for ABB Limited,
121 001 Faridabad, India, with the numbers:
FM11ATEX0035X (Ex ia)
FM11ATEX0036X (Ex d)
FM11ATEX0037X (Ex nL)
CE-Identification number of the notified bodies to ATEX certification:
0359.
ABB Engineering Limited, Shanghai 201319, P.R. China, can issue
this certification plate (ref. A), as well. The numbers are:
FM11ATEX0046X or IECEx FMG 11.0019X (Ex ia)
FM11ATEX0047X or IECEx FMG 11.0018X (Ex d)
FM11ATEX0048X or IECEx FMG 11.0020X (Ex nL)
CE-Identification number of the notified bodies to ATEX certification:
1725.
Figure 1: Product identification
Local keys below label
PRODUCT CODE
SEAL-H
SEAL-L
SPEC.REQUEST
LRL/URL
SPAN LIMITS
POWER SUPPLY
OUTPUT SIGNAL
ABB S.p.A.
Made in Italy
TS
PS
SERIAL\NUMBER
SENSOR DIAPH.-FILL
FLANGE/CONN.-GASKET/S
H DIAPH.-FILL
L DIAPH.-FILL
SEAL
HW Rev.
MD:
PED:
MWP/OVP
IS/Sec. Intrinseque (Entity) CL I, ZONE 0 AEx/Ex ia IIC T6,T5,T4
CL I/DIV1/GP ABCD IS - CL II/DIV1/GP EFG - CLIII DIV1 when
conn. per dwg DH 3173 ENCL 4X "FISCO Field Instrument"-"DUAL SEAL"
II 1 G Ex ia IIC T6 - II 1/2 G Ex ia IIC T6 -
II 1 D Ex iaD 20 T85°C and II 1/2 D Ex iaD 21 T85°C
for electrical parameters see cert. FM09ATEX0024X
IP67 - IECEx FME09.0003X "FISCO Field Instrument"
II 3 G Ex nL IIC T6 - II 3 D Ex tD A22 IP67 T85°C
Ui = 42Vdc Ii < 25mA Ci < 13nF Li < 0,22mH
for electrical parameters see cert. FM09ATEX0025X
IECEx FME09.0004X "FNICO Field Instrument"
General Purpose IP67 Max.Supply Voltage 42 Vdc
XP (US) CL I/DIV1/GP ABCD, DIP CL II, III /DIV1/GP EFG,
XP (Canada) CL I/DIV1/GP BCD, DIP CL II, III /DIV1/GP EFG,
CL I, ZONE 1, AEx/Ex d IIC T4 -50°C<Ta<+85°C
ENCL 4X T AMB=85°C "Seal not required" - "DUAL SEAL"
ABB S.p.A.
Lenno (Co) Italy
0474
0722
APPROVED
FM
II 1/2 G Ex d IIC T6 - II 1/2 D Ex tD A21 IP67
T85°C FM09ATEX0023X - IECEx FME09.0002X
(-50°C<Ta<+75°C) POWER SUPPLY 42 Vdc/2W Max
CUS
CL I, ZONE 2 AEx nC IIC T6,T5,T4
CL I, ZONE 2 Ex nL IIC T6,T5,T4
CL I/DIV2/GP ABCD NIFW when connected per drawing
DH 3173 ENCL 4X "FNICO Field Instrument" - "DUAL SEAL"
APPROVED
FM
CUS
APPROVED
FM
CUS
2600T
Tag
Number
Calib.
Range
PRESSURE TRANSMITTER
* C and F sensors on gauge and absolute pressure transmitters are in compliance with IEC61000-4-6 with B criteria
Ref. B
Ref. C
Ref. A
4 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
2 Safety
2 Safety
2.1 General
Read this instruction carefully prior to installation and commissioning.
For reasons of clarity, the instructions do not contain all details on all
types of product and do therefore not take into account every
conceivable case of assembly, operation or maintenance. If you want
further information or if special problems arise which are not treated in
detail in the instructions, please ask the manufacturer for the
necessary information.
Moreover we would like to point out that the content of these
instructions is neither part of nor provided for changing a previous or
existing agreement, promise or legal relationship.
All obligations of ABB Instrumentation result from the respective sales
contract which also comprises the complete and solely valid warranty
clauses. Such contractual warranty clauses will neither be limited nor
extended by the content of these instructions.
Observe warning signs at packaging, etc.
For assembly, electrical connection, commissioning and maintenance
of the transmitter, only qualified and authorized specialists are to be
employed, because they are experienced in the assembly, electrical
connection, commissioning and operation of the transmitter or similar
devices holding the necessary qualifications for their job, e.g.:
Training or instruction and/or authorization to operate and
maintain devices/systems according to the safety engineering
standard for electric circuits, high pressures and aggressive
media.
Training or instruction according to the safety engineering
standard regarding maintenance and use of adequate safety
systems.
For the sake of your own safety, we draw your attention to the fact
that for the electrical connection, only sufficiently isolated tools acc. to
EN 60 900 may be used.
Furthermore consider the following regulations:
The pertinent safety regulations concerning the construction and
operation of electrical installations, e.g. the rule regarding
technical working material (safety rule for instruments), have to be
observed.
The pertinent standards.
The regulations and recommendations relating to explosion
protection if explosion-proof transmitters are to be installed.
The safety raccomandation if installed in a SIL loop as described
in the Safety Manual (please look at the end of this manual)
The device can be operated with high pressure and aggressive media.
Serious injury and/or considerable material damage can therefore be
caused when this device is handled incorrectly. Please observe the
pertinent national rules when using pressure transmitters.
2.2 Transportation
After final calibration, the instrument is packed in a carton intended to
provide protection from physical damage.
2.3 Handling
The instrument does not require any special precautions during
handling although normal good practice should be observed.
2.4 Storage
The instrument does not require any special treatment if stored as
dispatched and within the specified ambient conditions. There is no
limit to the storage period, although the terms of guarantee remain as
agreed with the Company and as given in the order
acknowledgement.
2600T Series Pressure transmitters | SOI/266-XC Rev. I 5
3 Installation
3 Installation
3.1 General
Warning.
For installation in Hazardous Areas, i.e. areas with dangerous
concentrations of e.g. gases or dusts that may explode if ignited, the
installation must be carried out in accordance with relative standards
either EN 60079-14 and/or with local authority regulations, for the
relevant type of protection adopted.
In order to ensure operator safety and plant safety it is essential that
installation is carried out by suitably trained personnel according to the
technical data provided in the specification for the relevant model. To find
out the “Operative limits” please refer to the dedicated chapter of the
instruction manual and datasheets.
The transmitter should not be installed where it may be subjected to
mechanical and thermal stresses or where it may be attached by existing
or foreseeable aggressive substances. ABB cannot guarantee that a
construction material is suited to a particular process fluid under all
possible process conditions. Fill fluids and wet parts materials selection is
under user’s full responsibility
.
Caution. Proper location of the transmitter with respect to the process
pipe will depend upon the service for which the instrument is used. Care
should be exercised to identify correct process connections.
Important. In differential pressure transmitters the high side is marked with
“H” or “+” and low side with “L” or “–”.
Before mounting the transmitter, check whether the model meets the
measurement and safety requirements of the measuring point, e.g., with
regard to materials, pressure rating, temperature, explosion protection and
operating voltage. The relevant recommendations, regulations, standards
and the rules for prevention of accidents must also be observed!
Measurement accuracy is largely dependent upon correct installation
of the transmitter and the related measurement piping. The measuring
set-up should be screened as much as possible from critical ambient
conditions such as major temperature variations, vibration and shock.
For example, if ambient conditions may change considerably as a
result of locating the transmitter near a building structure, this may
influence the measurement quality!
3.2 Transmitter
The transmitter can be flanged directly to the shut-off valve. A
mounting bracket for wall or pipe mounting (2” pipe) available as an
accessory. Mount the transmitter in such a way that the process
flange axes are vertical (horizontal in case of barrel-type aluminum
housing) in order to avoid zero shifts.
If the transmitter is installed at an incline, the hydrostatic pressure of
the filling fluid would exert pressure on the measuring diaphragm and
thus cause a zero shift! A zero point correction would then be
necessary. Pressure transmitters can be mounted in any position. Seal
unconnected process connections on the sensor with the enclosed
screw plugs (1/4-18 NPT). For this purpose, use your officially
approved sealing material.
3.3 Hazardous area considerations
The transmitter must be installed in hazardous area only if it is properly
certified. The certification plate is permanently fixed on the neck of the
transmitter top housing.
The 266 Pressure Transmitter Line can have the following
certifications:
ATEX INTRINSIC SAFETY
— II 1 G Ex ia IIC T4/T5/T6 and II 1/2 G Ex ia IIC T4/T5/T6
— II 1 D Ex iaD 20 T85°C and II 1/2 D Ex iaD 21 T85°C
ATEX EXPLOSION PROOF
— II 1/2 G Ex d IIC T6 and II 1/2 D Ex tD A21 IP67 T85°C
ATEX TYPE “N” / EUROPE:
— II 3 G Ex nL IIC T4/T5/T6 and II 3 D Ex tD A22 IP67 T85°C
COMBINED ATEX, ATEX FM and FM Canada
— See detailed classifications
FM Approvals US and FM Approvals Canada:
— Explosionproof (US): Class I, Div. 1, Groups A, B, C, D
— Explosionproof (Canada): Class I, Div. 1, Groups B, C, D
— Dust ignitionproof: Class II, Div. 1, Groups E, F, G
— Nonincendive: Class I, Div. 2, Groups A, B, C, D
— Intrinsically safe: Class I, II, III, Div. 1, Groups A, B, C, D, E, F, G
— Class I, Zone 0, AEx ia IIC T6/T4 (FM US)
— Class I, Zone 0, Ex ia IIC T6/T4 (FM Canada)
IEC (Ex):
— See detailed classifications
INTRINSIC SAFETY/CHINA
— NEPSI approval Ex ia IIC T4-T6
FLAMEPROOF/CHINA
— NEPSI approval Ex d IIC T6
GOST (Russia), GOST (Kazakistan), Inmetro (Brazil)
— based on ATEX.
Warning. Explosion-proof transmitters must be either reapired by the
manufacturer or approved by a certified expert following repair work.
Observe the relevant safety precautions before, during and after repair
work.
6 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
3 Installation
Local keys below label
PRODUCT CODE
SEAL-H
SEAL-L
SPEC.REQUEST
LRL/URL
SPAN LIMITS
POWER SUPPLY
OUTPUT SIGNAL
ABB S.p.A.
Made in Italy
TS
PS
SERIAL\NUMBER
SENSOR DIAPH.-FILL
FLANGE/CONN.-GASKET/S
H DIAPH.-FILL
L DIAPH.-FILL
SEAL
HW Rev.
MD:
PED:
MWP/OVP
Figure 2: 266 nameplate with PED data
3.4 Pressure Equipment Directive (PED) (97/23/CE)
3.4.1 Devices with PS >200 bar
Devices with a permissible pressure PS >200 bar have been subject
to a conformity validation. The data label includes the following
specifications:
3.4.2 Devices with PS <200 bar
Devices with a permissible pressure PS <200 bar correspond to article
3 paragraph (3). They have not been subject to a conformity
validation. These instruments were designed and manufactured acc.
to SEP Sound Engineering Practices.
3.5 Transmitter housing rotation
To improve field access to the wiring or the visibility of the optional
LCD meter, the transmitter housing may be rotated through 360° and
fixed in any position. A stop prevents the housing from being turned
too far.
In order to proceed with housing rotation, the housing stop tang-
screw has to be unscrewed by approximately 1 rotation (do not pull it
out) and, once the desired position has been reached, retightened.
Figure 3: Housing rotation
3.6 Integral display rotation
In case an optional integral display meter is installed, it is possible to
mount the display in four different positions rotated clockwise or
counterclockwise with 90° steps.
Figure 4: LCD rotation
3.7 Impulse piping connection for standard
instruments
In order for the pipes to be laid correctly, the following points must be
observed:
The measuring pipes must be as short as possible and free from
sharp bends.
Lay the impulse piping in such a way that no deposits can
accumulate in them. Gradients should not be less than approx.
8% (ascending or descending).
The measuring pipes should be blown through with com pressed
air or, better yet, flushed through with the measuring medium
before connection.
Where a fluid/vaporous measuring medium is being used, the
liquid in both measuring pipes must be at the same level. If a
separating liquid is being used, both measuring pipes must be
filled to the same level (266Dx and 266Mx).
Although it is not absolutely necessary to use balancing vessels
with vaporous measuring media, measures must be taken to
prevent steam entering the measuring chambers of the
measuring equipment (266Dx and 266Mx).
It may be necessary to use condensate vessels, etc., with small
spans and vaporous measuring media (266Dx and 266Mx).
If using condensate vessels (steam measurement), you should
ensure that the vessels are at the same elevation in the differential
pressure piping (266Dx and 266Mx).
As far as possible, keep both impulse lines at the same
temperature (266Dx and 266Mx).
Completely depressurize the impulse lines if the medium is a fluid.
Lay the impulse lines in such a way that gas bubbles (when
measuring fluids) or condensate (when measuring gases) can
flow back into the process line.
Ensure that the impulse lines are connected correctly (High and
Low pressure sides connected to measuring equipment, seals,
etc.).
Make sure the connection is tight.
Lay the impulse line in such a way that prevents the medium from
being blown out over the measuring equipment.
To rotate the LCD, simply open the windowed cover (Hazardous area
prescriptions must be respected), pull-out the display housing from
the communication board. Reposition the LCD connector according
to the new desired position. Push back the LCD module on the
communication board. Be sure that the 4 plastic fixing locks are
properly in place.
2600T Series Pressure transmitters | SOI/266-XC Rev. I 7
3 Installation
3.8 Electrical connection
The relevant guidelines must be observed during the electrical
installation! Since the transmitter has no switch-off elements, it is
important to provide the possibility of disconnecting the power main
or providing over-current protection devices on the system side (over
voltage protection may be selected as a transmitter option).
An open cover does not provide a protection against accidental
contact. Do not touch any conductive components.
Check that the existing operating voltage corresponds to that
indicated on the type plate. For power supply and output signal, the
same lines are used. Use the enclosed connection diagram!
The electrical connection is made via cable entry 1/2-14 NPT or M 20
x 1.5 (or via optional plug Han 8 U).
Important. The red plugs are to be removed when the transmitter is
installed in Hazardous area. They are not explosion proof certified
products.
To ensure the Type 4X and IP 67 degree of protection for transmitter
according to Canadian Standard CSA, the conduit must be screwed
into the housing 1/2” NPT female using a suitable sealing compound.
The blanking plug has been sealed with Molykote DX, the use of any
other sealing compound is done so at owners own risk.
3.8.1 Electrical requirements – HART
The transmitter operates on a minimum voltage of 10.5 Vdc to a
maximum of 42 Vdc and is protected against polarity inversion.
Installing optional devices the minimum voltage increases to:
— 10.5 Vdc with no option or with integral digital display links
— 12.3 Vdc with surge protection
The total loop resistance is the sum of the resistance of all elements of
the loop, including wiring, conditioning resistor, safety barriers and
additional indicators (excluding the equivalent resistance of the
transmitter). Where a configuration device (HART), such as the Hand
Held Communicator or a Modem is likely to be used, a resistance of
250 ohm minimum should be present between the power supply and
the point of insertion of these devices, to allow communication.
Several types of safety barriers, either passive or active, can be
satisfactorily used in conjunction with the Smart 2600T transmitter.
Nevertheless, in case of use of active barriers, check with the supplier
if the model is suitable for use with smart transmitters allowing the
connection of the configuration devices in the “safe” or non-hazardous
area.
3.8.2 Electrical requirements – PROFIBUS PA
PROFIBUS-PA transmitters are provided for the connection to
segment couplers DP/PA. The permissible voltage at the terminals is
DC 9 - 32 V (9 - 17,5 V for FISCO). The current is approx. 15 mA
(average; sending). A shielded cable is recommended.
Contacting of the shield is done in the metal screwing. The transmitter
must be grounded; the shield must be grounded as well only at one
point. For further information, please refer to PROFIBUS PA installation
guide. When operating with an Ex-segment coupler, the max number
of devices may be reduced by a time-dependent current limitation.
The output signal of the transmitter is transferred digitally according to
IEC 61158-2.
The instrument is compliant to Profile 3.02. Its Identification No. is
3450 HEX. During cyclic data traffic, the OUT variable is transmitted. It
is composed of the output value and 1 byte status information. The
output value is transmitted with 4 bytes as IEEE-754
Floating-Point-Type.
3.8.3 Electrical requirements – FOUNDATION Fieldbus
Foundation Fieldbus transmitters are provided for the connection to
H1 BUS.
The permissible voltage at the terminals is DC 9 - 32 V
(9 - 17,5 V for FISCO). The current is approx. 15 mA (average;
sending). A shielded cable is recommended. Contacting of the shield
is done in the metal screwing. The transmitter must be grounded; the
shield must be grounded as well only at one point. For further
information, please refer to FOUNDATION Fieldbus installation guide.
When operating with an Ex-application, the maximum number of
devices may be reduced by a time-dependent current limitation.
The output signal of the transmitter is transferred digitally according to
IEC 61158-2. FF transmitter is registered as link master device
according to FF specification Version 1.7. There are different ways of
displaying and performing configuration on Fieldbus FOUNDATION
devices. DD (Device Description) and DD methods allow transmitter
configuration and data displaying across platforms.
3.9 Protective conductor / grounding
The transmitter operates within the specified accuracy with common
mode voltages between the signal lines and the housing up to 250 V.
In order to fulfill the requirements of the low-voltage guidelines and the
relevant EN 61010 rules for the installation of electrical components,
the housing must be provided with a protective circuit (e.g. grounding,
protective conductor) if voltages of >150 VDC could occur. A
connection terminal is available for grounding (PE) on the transmitter
exterior and also in the plug. Both terminals are electrically
interconnected.
3.10 Transmitter with integrated Surge Protector
Use a short wire to connect the transmitter housing via the earthing
connection (PA) to potential equalization. Potential equalization (min.
4mm²) is necessary over the entire wiring.
8 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
3 Installation
3.11 Wiring
Follow these steps to wire the transmitter:
Remove the cap from one of the two electrical connection ports
located at both sides in the upper part of the transmitter housing.
These connection ports have a 1/2 inch internal NPT threads.
Various adaptors and bushings can be fitted to these threads to
comply with plant wiring (conduit) standards.
Remove the housing cover of “field terminals”, side. In an
Explosion-Proof/Flame-Proof installation, do not remove the
transmitter covers when power is applied to the unit.
Run wiring through the open port and connect the positive lead
to the + terminal, and the negative lead to the – terminal.
Important. Do not connect the power across the Test terminals. Power
could damage the test diode in the test connection.
Plug and seal the electrical ports. Make sure that when the
installation has been completed, these openings are properly
sealed against entry of rain and corrosive vapors and gases. In
particular, for Ex-d (Explosion Proof) installation, plug the unused
opening with a plug suitable/certified for explosion containment.
If applicable, install wiring with a drip loop. Arrange the drip loop
so the bottom is lower than the conduit connections and the
transmitter housing.
Put back the housing cover, turn it to seat O-ring into the housing
and then continue to hand tighten until the cover contacts the
housing metal-to-metal. In Ex-d (Explosion Proof) installation, lock
the cover rotation by turning the set nut (use the 2 mm Allen key
supplied with the instrument).
Figure 5: 266 HART terminal block
Figure 6: 266 PROFIBUS PA / FOUNDATION
Fieldbus terminal block
2600T Series Pressure transmitters | SOI/266-XC Rev. I 9
4 Transmitter configuration
4 Transmitter configuration
4.1 Output 4…20 mA/HART communication
Use power supply units or batteries which ensure a permanent
operating voltage of DC 10,5 V ...42 V for the transmitter. Consider
the resistance of the signal receiver (e.g. display) is looped into the
signal circuit and the max. current of 20 ... 22mA, caused by over
modulating.
We recommend using screened, pair wise twisted signal cables. Do
not place these cables close to other cables (with inductive load) or
close to other electrical devices.
4.2 Minimum configuration hints for PROFIBUS PA
transmitters
The minimum configuration for having AI working needs at least the
following settings:
Pressure Transducer Block:
SCALE_IN: Calibration range (Eng. Units for pressure only)
LIN_TYPE: Linear, Square Root, Cylindrical Lying Container,
Spherical Container, Square Root 3° pow, Square Root 5° pow,
Bidirectional Flow and 22 points table.
Analog Input Block:
OUT_SCALE: Output range (all allowed Eng. Units)
PV_SCALE = OUT_SCALE
4.3 Minimum configuration hints for FOUNDATION
Fieldbus transmitters
The minimum configuration for having AI working and/or
moving out from the Out Of Service (OOS) mode needs at least
the following settings:
CHANNEL: 1=pressure; 2=sensor temperature; 3=static pressure
XD_SCALE: Calibration range (Units for pressure only)
OUT_SCALE: Output range (all allowed Eng. Units)
L_TYPE: Direct, Indirect or Square Root
Important. For more detailed information about configuration and
troubleshooting of FOUNDATION Fieldbus devices, please refer to the
complete “Operating Instruction” available online at www.abb.com.
If the AI Block cannot be removed from OOS mode, please refere to
the below table:
Possible causes Solution
The target mode is set to
OOS
Set the target mode to something different by
OOS
The Configuration Error
bit is set in the
BLOCK_ERR
CHANNEL different by 0
Set L_Type correctly
Set XD_SCALE unit = TPB Primary Value Range
Unit
The RESOURCE BLOCK
is not in AUTO mode
Set the Target Mode of the RESOURCE
BLOCK to AUTO mode
The Block is not
scheduled
Design the FB Application correctly and
download it to the devices
4.4 Set the PV to Zero
(for Profibus and FOUNDATION Fieldbus)
After configuring the transmitters according to the communication
protocol, it is necessary to set the PV value to zero.
This operation is tipically used for correction of the mounting position
and other influences (line pressure effects).
To carry out this correction the transmitter should be pressure-free,
(the connections should be pressure-free or short-circuited).
The PV value can be zeroed by using “set PV to Zero” inside DTM or
EDD parametrization menus.
4.5 How to set the zero
The following procedures do not affect the physical pressure shown
(PV VALUE); they only correct the analog output signal. For this
reason, the analog output signal may differ from the physical pressure
value (PV) shown on the digital display or the communication tool. In
case the plant procedure requires to correct this, set the
communication board dip switch nr.3 in 1 (up) position before
performing the below procedures.
4.5.1 Zero based calibrated devices
(eg. 4 .. 20 mA = 0 .. 250 mbar)
The below procedure has not to be followed when dealing with
absolute pressure transmitters (266Axx/VxH/NxH/RxT)
1. Insulate the transmitter from the process and vent the transmitter
measuring chamber/s to atmosphere.
2. Check the output signal of the transmitter, if it is at 4 mA (or
PV=0) you do not need to re-zero the transmitter; if the output is
not at zero follow the below procedure:
Unscrew the data plate fixing screw on the top of the
transmitter housing.
Rotate the data plate to get access to the push buttons.
Be sure that the write protection rotating switch is set to
write enable.
Push the zero (Z) button on top of the transmitter for at least
3 seconds.
The output will go to 4 mA, and if the Integral Display is
present, the message “OPER DONE” will appear. If nothing
happens check the write protection rotating switch, it is
probably set to write disable. In case of other diagnostic
messages, refer to the instruction.
3. Once the “Zero” operation has been accomplished the
transmitter needs to be reconnected to the process.
4. Close the vent / drain valves that may have been opened
5. Open the insulation valve/s (in case of differential pressure
transmitters please follow the following sequence:
open high pressure side insulation valve,
open low pressure side insulation valve,
close equalizing valve.
10 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
4 Transmitter configuration
4.5.2 Absolute pressure transmitter re-zeroing
Absolute pressure transmitter rezeroing is only possible when a
vacuum pressure generator is available. It is strongly recommended to
refer to the integral manual before proceeding.
4.5.3 Non-zero based calibrated devices
(eg 4 .. 20 mA = - 100 .. 100 mbar)
1. Insulate the transmitter from the process and vent the transmitter
measuring chamber/s to atmosphere.
2. Apply the lower range value pressure (4 mA) from the process or
from a pressure generator. The pressure must be stable and
applied with a high level of accuracy < 0.05 % (observing the set
damping value).
3. Check the output signal of the transmitter, if it is at 4 mA (or PV=
0) you do not need to re-zero the transmitter; if the output is not
at zero follow the below procedure:
Unscrew the data plate fixing screw on the top of transmitter
housing.
Rotate the data plate to get access to the push buttons.
Be sure that the write protection rotating switch is set to
write enable.
Push the zero (Z) button on top of the transmitter for at least
3 seconds.
The output will go to 4 mA, and if the Integral Display is
present, the message “OPER DONE” will appear. If nothing
happens check the write protection rotating switch, it is
probably set to write disable. In case of other diagnostic
messages, please refer to the instruction.
4. Once the “Zero” operation has been accomplished the
transmitter needs to be reconnected to the process.
5. Close the vent / drain valves that may have been opened
6. Open the insulation valve/s (in case of differential pressure
transmitters please follow the following sequence:
open high pressure side insulation valve,
open low pressure insulation valve,
close equalizing valve.
Important. It is not necessary to remove the cover for this procedure (Dip
switch are already factory set)
Figure 7: External pushbuttons
4.6 Hardware settings
4.6.1 Advanced HART
There are 6 dip switches located on this kind of secondary electronics.
Switch 1 and 2 allow the REPLACE MODE for sensor or secondary
electronics.
Switch 3 identifies the external push buttons functionalities: Zero/Span
adjustments or PV Bias-Offset / PV Bias Reset.
Switch 4 and 5 are for Fail Low/Fail High selection.
Switch 6: not used.
The electronic label clearly explains how to perform all the possible
selection, but please remember that all the operations with the dip
switches should be carried out when the transmitter is powered off so
as to upload new configurations at instrument start-up.
Replace mode (switch 1 and 2)
Usually switches 1 and 2 are down in “0” position.
They are moved when a replace operation is required.
Switch 1 up in “1” position is required before power up the transmitter,
when user needs to replace the electronics or the sensor.
Switch 2 down in “0” position allows the replace of the secondary
electronics. It must be moved in this position before power up the
transmitter.
Switch 2 up in “1” position indicates that a new sensor has been
installed.
AFTER ANY REPLACE OPERATION IT IS RECOMMENDED TO
MOVE DOWN IN “0” POSITION THE RELEVANT SWITCHES.
Push buttons mode (switch 3)
Dip switch 3 is set at the factory on “0” position. This means that the
external push buttons perform the zero/span adjustments. If the user
puts this switch on “1” position, the zero push buttons will modify the
PV Bias-Offset and the span push button will reset the PV Bias-Offset
value.
Fail mode (switch 4 and 5)
Should the user modify the factory-defined parameters for the fail safe
output condition in case of transmitter failure, it is necessary to enable
the modification by putting dip switch 4 on “1” position. Consequently,
it is necessary to choose whether the output has to go Upscale or
Downscale. Dip switch 5:
on “0” position the output is High (22mA)
on “1” position the output is Low (3,7mA)
2600T Series Pressure transmitters | SOI/266-XC Rev. I 11
4 Transmitter configuration
4.6.2 Standard HART
Standard HART protocol is available on 266DSH, 266PSH, 266VSH,
266HSH (with the exeption of ranges V and Z), 266NSH (and the
relevant direct-mounted or remote diaphragm seal versions) as well as
on 266DHH and 266DLH. Standard HART protocol connection board
features 4 dip switches.
Switch 1 and 2 are for Fail Low/Fail High selection.
Switch 3 identifies the external push buttons functionalities: Zero/Span
adjustments or PV Bias-Offset / PV Bias Reset.
Switch 4 allows user to enable the write protection.
Dip switch functions are the same as here above.
In addition, 266 standard HART connection board can the Zero and
Sapn pushbuttons (in case not configured during the codification
process). This buttons work exactly like the external ones located
under the instrument stainless steel nameplate and they can perform
Zero and Span adjustments as well as PV Bias and Offset (if the
proper dip switch is positioned correctly).
4.6.3 PROFIBUS PA
There are 3 dip switches located on this kind of secondary electronics
(as indicated by the figure); they are used for settings when integral
display is not available.
Switch 1 and 2 allow the REPLACE MODE for sensor or secondary
electronics.
Switch 3 identifies the external push buttons functionalities: Zero/Span
adjustments or PV Bias-Offset / PV Bias Reset.
The electronic label clearly explains how to perform all the possible
selection, but please remember that all the operations with the dip
switches should be carried out when the transmitter is powered off so
as to upload new configurations at instrument start-up.
Replace mode (switch 1 and 2)
Usually switches 1 and 2 are down in “0” position.
They are moved when a replace operation is required.
Switch 1 up in “1” position is required before power up the transmitter,
when user needs to replace the electronics or the sensor.
Switch 2 down in “0” position allows the replace of the secondary
electronics. It must be moved in this position before power up the
transmitter.
Switch 2 up in “1” position indicates that a new sensor has been
installed.
AFTER ANY REPLACE OPERATION IT IS RECOMMENDED TO MOVE
DOWN IN “0” POSITION THE RELEVANT SWITCHES.
Push buttons mode (switch 3)
Dip switch 3 is set at the factory on “0” position. This means that the
external push buttons perform the zero/span adjustments. If the user
puts this switch on “1” position, the zero push buttons will modify the
PV Bias-Offset and the span push button will reset the PV Bias-Offset
value.
4.6.4 FOUNDATION Fieldbus
There are 4 dip switches located on this kind of secondary electronics
(as indicated by the figure); they are used for settings when integral
display is not available.
Switch 1 and 2 allow the REPLACE MODE for sensor or secondary
electronics.
Switch 3 identifies the external push buttons functionalities: Zero/Span
adjustments or PV Bias-Offset / PV Bias Reset.
Switch 4 for performing the Simulation mode. The electronic label
clearly explains how to perform all the possible selection, but please
remember that all the operations with the dip switches should be
carried out when the transmitter is powered off so as to upload new
configurations at instrument start-up.
Replace mode (switch 1 and 2)
Usually switches 1 and 2 are down in “0” position.They are moved
when a replace operation is required. Switch 1 up in “1” position is
required before power up the transmitter, when user needs to replace
the electronics or the sensor.
Switch 2 down in “0” position allows the replace of the secondary
electronics. It must be moved in this position before power up the
transmitter. Switch 2 up in “1” position indicates that a new sensor
has been installed.
AFTER ANY REPLACE OPERATION IT IS RECOMMENDED TO MOVE
DOWN IN “0” POSITION THE RELEVANT SWITCHES.
Push buttons mode (switch 3)
Dip switch 3 is set at the factory on “0” position. This means that the
external push buttons perform the zero/span adjustments. If the user
puts this switch on “1” position, the zero push buttons will modify the
PV Bias-Offset and the span push button will reset the PV Bias-Offset
value.
Simulation mode (switch 4)
Dip switch 4 in “1” position enables the Simulation mode. This feature
is available in order to initialize all the parameters requiring a well
defined value, with the default values congruent to the connected
sensor type/model. This operation can be performed before powering
on the device. Many variables of the AI and TPB are properly set with
values strictly related to the connected transducer type.
4.7 Easy set-up
The easy set-up procedure is made possible thanks to the intuitive
HMI, connected on the transmitter communication board. To navigate
the 266 HMI please follow the various indications that will appear on
the bottom of the display.
To facilitate commissioning the 266 HMI has the capability to run a
sequence of predefined setup steps with the main configuration
settings. When you start the Easy Setup you must continue up to the
end to exit.
4.7.1 To start the Easy Set-up
Navigate the Digital LCD Integral Display menu, push the button on
the right under the LCD display.
12 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
4 Transmitter configuration
4.7.2 Define the language
If the desired language is different from the indicated language select
Edit then scroll the desired language (see the following table) with the
up and down keys and confirm with OK. Select Next to continue.
English German Italian French Spanish
4.7.3 Insert tag
If the Tag number of the instrument is different from the value set in
the factory, use this part of the easy set-up menu to change it.
4.7.4 Define the PV Unit
If the desired Process Variable Unit is different from the indicated,
select Edit then scroll the desired unit (see the following table) with the
up and down keys and confirm with OK. Select Next to continue.
mbar millibar
mmH2O°C millimeter of water at 4 degrees Celsius
g/cm2 grams per square centimeter
inH2O°F inches of water at 68 degrees Fahrenheit (20°C)
Kg/cm2 kilo grams per square centimeter
inHg°C inches of mercury at 0 degrees Celsius
Pa pascal
ftH2O°F feet of water at 68 degrees Fahrenheit
kPa kilopascal
mmH2O°F millimeter of water at 68 degrees Fahrenheit
torr torr
mmHg°C millimeter of mercury at 0 degrees Celsius
atm atmosphere
psi pounds per square inch
MPa Megapascal
bar bars
inH2O°C inches of water at 4 degrees Celsius
4.7.5 Define the PV Lower Range Value (LRV)
If the desired LRV is different from the indicated select Edit, scroll the
desired value for the digit in reverse color with the up and down keys
and confirm with Next. Repeat the operation for the seven digits and
confirm with OK. Select Next to continue.
4.7.6 Define the PV Upper Range Value (URV)
If the desired URV is different from the indicated select Edit, scroll the
desired value for the digit in reverse color with the up and down keys
and confirm with Next. Repeat the operation for the seven digits and
confirm with OK. Select Next to continue.
4.7.7 Define the linearization type
If the desired linearization type is different from the indicated select
Edit then scroll the desired linearization type (see the following table)
with the up and down keys and confirm with OK. Select Next to
continue.
4.7.8 Define the SQRT linear point
If the desired SQRT linear point is different from the indicated select
Edit, scroll the desired value with the up and down keys and confirm
with Next. Repeat the operation for the five digits and confirm with
OK. Select Next to continue.
4.7.9 Define the low flow cut off
If the desired low flow cut off for a flow transfer function is different
from the indicated select Edit, scroll the desired value for the digit in
reverse colour with the up and down keys and confirm with Next.
Repeat the operation for the five digits and confirm with OK. Select
Next to continue.
Important. In case of PA or FF pressure transmitters, please consider as
mandatory the following steps.
4.7.10 Define the OUT unit
If the desired outup unit is different from the indicated, select Edit then
scroll the desired unit (all allowed Eng. Units) with the up and down
keys and confirm with OK. Select Next to continue.
4.7.11 Define the OUT Lower Range Value (LRV)
If the desired LRV is different from the indicated select Edit, scroll the
desired value for the digit in reverse color with the up and down keys
and confirm with Next. Repeat the operation for the seven digits and
confirm with OK. Select Next to continue.
4.7.12 Define the OUT Upper Range Value (URV)
If the desired URV is different from the indicated select Edit, scroll the
desired value for the digit in reverse color with the up and down keys
and confirm with Next. Repeat the operation for the seven digits and
confirm with OK. Select Next to continue.
4.7.13 Define the damping
If the desired damping is different from the indicated value change it
with the up and down keys and confirm with OK.
4.7.14 Set PV to zero
In case a zero scaling is required apply the pressure for the zero and
select OK. Wait for the auto-set end (the bargraph will indicate the
working progress). Select Next to continue.
4.7.15 Define Hmi line 1 view
By using this parameter you can chose what to see on the first line of
the Human Machine Interface. To change the value to be shown,
select Edit, scroll the desired value for the digit in reverse color with
the up and down keys and confirm with Next.
Important. The minimum and maximum allowed values are indicated on
the display.
2600T Series Pressure transmitters | SOI/266-XC Rev. I 13
5 Applications
5 Applications
5.1 Steam (condensable vapor) or clean liquids flow
measurement
Place taps to the side of the line.
Mount beside or below the taps.
Mount the drain/vent valve upward.
In case of steam application fill the vertical section of the connecting
lines with a compatible fluid through the dedicated filling tees because
the process fluid must enter the transmitter measuring chambers.
Then:
Open equalizing valve (C);
Close low pressure (B) and high pressure (A) valves;
Open gate valves;
Slowly open high pressure (A) valve to admit process fluid to both
sides of primary;
Vent or drain the primary unit and then close the valves;
Open the (B) valve and close the equalizing valve.
Figure 8: Steam or clean liquid flow measurement
5.2 Gas or liquid (with solids in suspension) flow
measurement
Place the taps to the top or side of the line.
Mount the transmitter above the taps.
The process fluid must enter the transmitter primary:
Open equalizing valve (C),
Close low pressure (B) and high pressure (A) valves,
Open gate valves,
Slowly open high pressure (A) valve to admit process fluid to both
sides of primary,
Vent or drain the primary unit and then close the valves,
Open the (B) valve and close the equalizing valve.
Figure 9: Gas or liquid flow measurement
Caution. Manifolds can be supplied both mounted on pressure
transmitters and loose. In case of integral mounting, consider that:
All adjustments should be carried out by qualified personnel
with the valve without pressure.
End connections must not be removed from the body.
Do not use handle wrenches or extensions to operate the
valves.
Head units must not be removed once installed.
Do not cover or remove body marking.
Important. The maximum working temperature of the whole assembly
(manifold and instrument) corresponds to the temperature limit of the
pressure transmitter.
Important. When the manifold is assembled to a 2600T pressure
transmitter with NACE compliance A4-50 Stainless Steel bolts (available
on request), please note that the maximum working pressure is limited to
210 bar (3045 psi).
14 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
5 Applications
5.3 Liquid level measurements on closed tanks and
non condensable fluids (dry leg)
Mount the transmitter at the same height or below the lowest
level to be measured.
Connect the + (H) side of the transmitter to the bottom of the
tank.
Connect the - (L) side of the transmitter to the upper part of the
tank, above the maximum level of the tank.
Figure 10: Level measurement on closed tank with dry leg
5.4 Liquid level measurement with open tanks
Mount the transmitter at the same height or below the lowest
level to be measured.
Connect the + (H) side of the transmitter to the bottom of the
tank.
Vent the “–” (L) side of the transmitter to the atmosphere (in this
case a gauge pressure is shown; the (L) side is already vented to
the atmosphere).
Figure 11: Level measurement on open tank with P style transmitter
5.5 Pressure or absolute pressure measurement of a
condensable vapor in a pipe
Place the tap at the side of the line.
Mount the transmitter below the tap.
Connect the + (H) side of the transmitter to the pipe.
Fill the vertical section of the connecting line to the tap with a
compatible liquid through the dedicated filling tee.
Figure 12: Pressure measurement with DP and P style transmitters
2600T Series Pressure transmitters | SOI/266-XC Rev. I 15
6 Diaphragm seals
6 Diaphragm seals
6.1 Seals handling
Diaphragm seals equipped transmitters require a particular
attention during handling and installation to avoid damaging the
device.
For capillary equipped transmitters (gauge or differential) avoid
lifting the device by gripping the capillary.
Avoid excessively bending the capillary, the maximum bending
radius is12,5 cm (5 inches).
The diaphragm surface is delicate and could be damaged.
Therefore, leave the diapgragm protection covers in place until the
final installation and when the ptotection has been removed, avoid
placing the seal with the diaphragm in contact with a hard surface.
6.2 Seals installation
Before proceeding with the installation be sure that the diaphragm
seal MWP (Maximum Working Pressure limit) is in compliance with the
mating process connection.
The diaphragm seal MWP is written on the transmitter main nameplate
(MWP for differential pressure transmitters, OVP for gauge and
absolute pressure transmitters). Check that the fill fluid type and
temperature limit is in compliance with your environmental/process
conditions. The transmiiter has been delivered with wetted materials
according to the model numer specified on the nameplate. Before
proceeding with the installation consider wetted material process
compatibility.
If you are installing a diaphragm seal which requires a gasket (S26CN,
S26F, S26J, S26M, S26P, S26R, S26S, S26U, S26V, S26W ) be sure
to use a suitable gasket for your processfluid, check that the
temperature and pressure limit are compatible with your application.
Properly position the gasket so that it does not tpress down the
diaphragm. A gasket not properly installed may affect the transmitter
measurement. When installing flushing rings make sure that the gasket
is properly aligned on the gasket sealing surface.
6.3 Bolt torquing
During the installation of flanged or wafer type seals the bolts have to
be torqued to the specific flange and gasket requirements. The torque
requirement is a function of the gasket and bolts material.
6.4 Vacuum application consideration
When installing remote diaphragm seals in application working below
the atmospheric pressure, check that the fill fluid curves are in
compliance with your application. The transmitter must be located
below or at the bottom process tap. In case of doubts please refer to
the integral instruction manual that can be downloaded at www.abb.
com/pressure or refer to your ABB Instrumentation dealer.
6.5 Wafer (pancake) seals (model S26W)
Wafer seals installation requires the user to apply a blind flange to
connect the seal to the process, the type, size and material of the
blind flange must be in compliance with the mating process
connection counterflange.
6.6 Off-line threaded and flanged seals
(models S26T and S26M)
The upper and lower housing is preassembled at the factory. When
connecting the S26T off-line threaded seal to the process pipe, do not
overtighten the seal. Torque value should be in compliance with ANSI
B1.20.1 or applicable torque requirements for pipe connections.
In case the lower housing needs to be disassembled from the upper
housing, when riassembling be sure to replace the gasket with a new
gasket of the same tipe (see spare part list for part number).
The bolts should be thighten to 25 Nm.
6.7 Saddle and Socket seals (model S26V)
Saddle and Socket seals are delivered with all the parts necessary to
perform a correct installation.
The lower housing has to be welded to the process pipe.
When welding the lower housing to the process pipe, the upper
housing has to be removed.
The upper housing can be installed on the lower housing whe it has
cooled down.
Before positioning the upper housing be sure that the gasket has
been properly placed in its seat.
Bolts torque value for socket and saddle seal is 20 Nm.
6.8 Sanitary seals (model S26S)
ABB sanitary seals may be supplied with a 3A symbol which is printed
on the seal body. To properly install 3A approved seals please refer to
the integral version of the instruction manual that can be downloaded
from www.abb.com/pressure.
6.9 Threaded seals for Pulp&Paper (model S26K)
Threaded seals for Pulp&Paper should be installed considering the
proper torquing value which is a function of the thread type
16 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
7 Hazardous area considerations
7 Hazardous Area considerations
7.1 Ex Safety aspects and IP Protection (Europe)
According to ATEX Directive (European Directive 94/9/EC of 23 March
1994) and relative European Standards which can assure compliance
with Essential Safety Requirements, i.e., EN 60079-0 (General
requirements) EN 60079-1 (Flameproof enclosures “d”) EN 60079-11
(Equipment protection by intrinsic safety “i”) EN 60079-26 (Equipment
with equipment protection level -EPL- Ga) EN 61241-0 (General
requirements) EN 61241-1 (Protection by enclosures “tD”) EN 61241-
11 (Protection by intrinsic safety”iD”) the pressure transmitters of the
2600T SERIES have been certified for the following group, categories,
media of dangerous atmosphere, temperature classes, types of
protection. Examples of application are also shown below by simple
sketches.
a) Certificate ATEX II 1 G Ex ia IIC T4/T5/T6 and II 1 D Ex iaD 20
T85°C
FM Approvals certificate number
FM09ATEX0024X (Lenno products)
FM09ATEX0069X (Minden products)
FM11ATEX0035X (Faridabad products)
FM11ATEX0046X (Shanghai products)
The meaning of ATEX code is as follows:
II : Group for surface areas (not mines)
1 : Category
G : Gas (dangerous media)
D: Dust (dangerous media)
T85°C: Maximum surface temperature of the transmitter
enclosure with a Ta (ambient temperature) +40°C for Dust (not
Gas) with a dust layer up to 50 mm depth.
Application with Gas
Application with Dust
Note: the transmitter must be
connected to a supply
(associated apparatus) certified
[Ex ia]
Note: the protection is mainly
assured by the “IP” degree
associated to the low power from
supply. This can either be [ia] or
[ib] certified [Ex ia]
Zone 0
266 Tx Category 1G Ex ia
Zone 20
266 Tx Category 1D IP6x (Ex ia)
Certificate IECEx Ex ia IIC T4/T5/T6 and Ex iaD 20 T85°C FISCO,
IP67
IECEx certificate number
IECEx FME 09.0003X (Lenno and Minden products)
IECEx FMG 11.0019X (Shanghai products)
Important. The number close to the CE marking of the transmitter safety
label identifies the Notified Body which has responsibility for the
surveillance of the production.
The other marking refers to the protection type used according to
relevant EN standards:
Ex ia: Intrinsic safety, protection level “a”
IIC: Gas group
T4: Temperature class of the transmitter
(corresponding to 135°C max) with a Ta from -50°C to +85°C
T5: Temperature class of the transmitter
(corresponding to 100°C max) with a Ta from -50°C to +40°C
T6: Temperature class of the transmitter
(corresponding to 85°C max) with a Ta from -50°C to +40°C
About the applications, this transmitter can be used in “Zone 0”
(Gas) and “Zone 20” (Dust) classified areas (continuous hazard)
as it is shown on the following sketches.
Application for pressure transmitter Ex ia categories 1G and 1D
2600T Series Pressure transmitters | SOI/266-XC Rev. I 17
7 Hazardous area considerations
b) Certificate ATEX II 1/2 G Ex ia IIC T4/T5/T6 and
II 1/2 D Ex iaD 21 T85°C
FM Approvals certificate number
FM09ATEX0024X (Lenno products)
FM09ATEX0069X (Minden products)
FM11ATEX0035X (Faridabad products)
FM11ATEX0046X (Shanghai products)
Important. This ATEX Category depends on the application (see
below) and also on the intrinsic safety level of the transmitter supply
(associated apparatus) which can sometimes suitably be [ib] instead
of [ia]. As it is well known, the level of an intrinsic safety system is
determined by the lowest level of the various apparatus used, i.e., in
the case of [ib] supply, the system takes over this level of protection.
The meaning of ATEX code is as follows:
II: Group for surface areas (not mines)
1/2: Category - It means that only a part of the transmitter
complies with category 1 and a second part complies with
category 2 (see next application sketch).
G: Gas (dangerous media)
D: Dust (dangerous media)
T85°C: Maximum surface temperature of the transmitter
enclosure with a Ta from -50°C to +40°C for Dust (not Gas) with
a dust layer up to 50 mm depth. T85°C: as before for Dust for a
Ta +85°C.
Note: the transmitter can be connected to either [ib] or [ia] supply
(associated apparatus)certified [Ex ia]
Note for “Primary transducer”: see the certification for exceptions
Application with Gas Application with Dust
Note: the protection is mainly assured by the “IP” degree
associated to the low power from supply. This can either be [ia]
or [ib]
Zone “0”
Zone “1”
Dangerous
medium
(process)
Tank
Zone “0” / Zone “1”
separation element
Primary transducer
266 Tx
Category
1/2 G Ex ia
Zone “20”
Zone “21”
Dangerous
medium
(process)
Silo
266 Tx
Category
1/2 D Ex ia
Certificate IECEx Ex ia IIC T4/T5/T6 and Ex iaD 21 T85°C, FISCO,
IP67
IECEx certificate number
IECEx FME 09.0003X (Lenno and Minden products)
IECEx FMG 11.0019X (Shanghai products)
The other marking refers to the protection type used according to
relevant EN standards:
Ex ia: Intrinsic safety, protection level “a”
IIC: Gas group
T4: Temperature class of the transmitter
(corresponding to 135°C max) with a Ta from -50°C to +85°C
T5: Temperature class of the transmitter
(corresponding to 100°C max) with a Ta from -50°C to +40°C
T6: Temperature class of the transmitter
(corresponding to 85°C max) with a Ta from -50°C to +40°C
About the applications, this transmitter can be used in Zone “0” (Gas)
classified areas (continuous hazard) with its “process part” only,
whereas the remaining part of the transmitter, i.e. its enclosure, can be
used in Zone 1 (Gas), only (see sketch below). Reason of this is the
process part of the transmitter (normally called primary transducer)
that provides inside separation elements to seal off the electrical
sensor from the continuously hazardous process, according to the
EN 60079-26 and EN 60079-1. About Dust application, the
transmitter is suitable for “Zone 21” according to the EN 61241-0 and
EN 61241-11 as it is shown on the relevant part of the sketches.
Application for pressure transmitter Ex ia categories 1/2G and 1/2D
18 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
7 Hazardous area considerations
c) Certificate ATEX II 1/2 G Ex d IIC T6
ATEX II 1/2 D Ex tD A21 IP67 T85°C (-50°C ≤ Ta ≤+75°C)
FM Approvals Certificate number
FM09ATEX0023X (Lenno products)
FM09ATEX0068X (Minden products)
FM11ATEX0036X (Faridabad products)
FM11ATEX0047X (Shanghai products)
The meaning of ATEX code is as follows:
II: Group for surface areas (not mines)
1/2: Category - It means that only a part of the transmitter
complies with category 1 and a second part complies with
category 2 (see next application sketch).
G: Gas (dangerous media)
D: Dust (dangerous media)
T85°C: Maximum surface temperature of the transmitter
enclosure with a Ta (ambient temperature) +75°C for Dust (not
Gas) with a dust layer up to 50 mm depth.
Important. The number close to the CE marking of the transmitter safety
label identifies the Notified Body which has responsibility for the
surveillance of the production.
Application with Gas
IP code
About the degree of protection provided by the enclosure of the pressure transmitter, the 2600T SERIES has been certified IP67 according to
EN 60529 standard. The first characteristic numeral indicates the protection of the inside electronics against ingress of solid foreign objects
including dusts.
The assigned “6” means an enclosure dust-tight (no ingress of dust).
The second characteristic numeral indicates the protection of the inside electronics against ingress of water.
The assigned “7”means an enclosure water-protected against a temporary immersion in water under standardized conditions of pressure and
time.
Application with Dust
Zone “0”
Zone “1”
Dangerous
medium
(process)
Tank
Zone “0” / Zone “1”
separation element
Primary transducer
266 Tx
Category
1/2 G Ex d
Zone “20”
Dangerous
medium
(process)
Silo
Certificate IECEx Ex d IIC T6, Ex tD A21 T85°C, Ta= -50°C to +75°C
IECEx certificate number
IECEx FME 09.0002X (Lenno and Minden products)
IECEx FMG 11.0018X (Shanghai products)
The other marking refers to the protection type used according to
relevant EN Standards:
Ex d: Explosion proof
IIC: Gas group
T6: Temperature class of the transmitter (corresponding to 85°C
max) with a Ta from -50°C to +75°C.
About the applications, this transmitter can be used in Zone “0” (Gas)
classified areas (continuous hazard) with its “process part” only,
whereas the remaining part of the transmitter, i.e. its enclosure, can be
used in Zone 1 (Gas), only (see sketch below). Reason of this is the
process part of the transmitter (normally called primary transducer)
that provides inside separation elements to seal off the electrical
sensor from the continuously hazardous process, according to the
EN 60079-26 and EN 60079-1.
About Dust application, the transmitter is suitable for “Zone 21”
according to the EN 61241-1 as it is shown on the relevant part of the
sketches.
Application for pressure transmitter Ex d categories 1/2G and 1/2D
Zone “21”
266 Tx
Category
1/2 D Ex d
2600T Series Pressure transmitters | SOI/266-XC Rev. I 19
7 Hazardous area considerations
According to ATEX Directive (European Directive 94/9/EC of 23 March
1994) and relative Standards which can assure compliance with
Essential Safety Requirements, i.e., EN 60079-0 (General
requirements) EN 60079-15 (Specification for electrical apparatus with
type of protection “n”) EN 61241-0 (General requirements), the
pressure transmitters of the 2600T SERIES have been certified for the
following group, categories, media of dangerous atmosphere,
temperature classes, types of protection. Examples of application are
also shown below by simple sketches.
d) Certificate ATEX II 3 G Ex nL IIC T4/T5/T6
(for T4 = -50°C ≤ Ta ≤+85°C),
(for T5 and T6 = -50°C ≤ Ta ≤+40°C) and II 3D Ex tD A22 IP67 T85°C.
FM Approvals Certificate number
FM09ATEX0025X (Lenno products)
FM09ATEX0070X (Minden products)
FM11ATEX0037X (Faridabad products)
FM11ATEX0048X (Shanghai products)
The meaning of Atex code is as follows :
II 3G Ex nL IIC T4/T5/T6 (for T4 = -50°C < Ta < +85°C) (for T5
and T6 = -50°C < Ta < +40°C)
II: Group for surface areas (not mines)
3: Category of equipment
G: Gas (Dangerous media)
Ex nL: type of protection “n” with “energy limitation” technique
IIC: gas group
T4: Temperature class of the transmitter (which corresponds to
135°C max) with a Ta from -50°C to +85°C
T5: Temperature class of the transmitter (which corresponds to
100°C max) with a Ta from -50°C to +40°C
T6: Temperature class of the transmitter (which corresponds to
85°C max) with a Ta from -50°C to +40°C
Application with Gas
Application with Dust
Note: the transmitter must be
connected to a supply with 42V
d.c. max output voltage as
above indicated. The Ii of the
transmitter is less than 25 mA.
Zone 2
266 Tx Category 3G Ex nL
Note: the protection is mainly
assured by the “IP” degree
associated to the low power
from supply.
Important - Note for pressure transmitter with combined approval.
Before installation of the Transmitter, the customer should permanent mark his
chosen Protection Concept on the safety label. The transmitter can only be used with according to this Protection Concept for the whole life. If two
or more types of protection box (on safety label) are permanent marked, the pressure transmitter must be removed from hazardous classified
locations. The selected Type of Protection is allowed to be changed only by manufacturer after a new satisfactory assessment.
Important. It is the technical support for the ABB Declaration of
Conformity
Important. When installed this transmitter must be supplied by a voltage
limiting device which will prevent the rated voltage of 42 V d.c. being
exceeded.
About the applications, this transmitter can be used in Zone 2 (Gas)
(unlikely/infrequent hazard) as it shown on the following skecth (left
side)
II 3D Ex tD A22 IP67 T85°C
II: Group for surface areas (not mines)
3: Category of equipment
D: Gas (Dangerous media)
Ex tD: type of protection “tD” means protection by enclosure
technique
A22: for zone 22 (tested acc. to method A of EN61241-0)
IP67: degree of protection of the transmitter acc. EN60529
T85°C: Maximum surface temperature of the transmitter
enclosure with a Ta from -50°C to +40°C for Dust (not Gas).
About the applications, this transmitter can be used in Zone 22 (Dust)
(unlikely/infrequent hazard) as it shown on the following skecth (right
side)
Application for pressure transmitter Ex nL categories 3G and 3D
Zone 22
266 Tx Category 3D IP6x
(Ex nL)
20 SOI/266-XC Rev. I | 2600T Series Pressure transmitters
7 Hazardous area considerations
7.1.1 Entities for “L5” option (display with TTG
technology)
HART Version with “L5” option (display TTG)
Ui= 30Vdc Ci= 5nF Li= uH
Temperature
Class - Gas
Temperature
Class - Dust
Minimum
amb. °C
Maximum
amb. °C
Imax
mA
Power
W
T4 T135°C -50°C +60°C 100 0,75
T4 T135°C -50°C +60°C 160 1
T5 T100°C -50°C +56°C 100 1,75
T6 T85°C -50°C +44°C 50 0,4
PROFIBUS Version with “L5” option (display TTG)
Ui= 17,5 Vdc Ii= 360 mA Pi= 2,52 W Ci= 5nF Li= 10 uH
Temperature
Class - Gas
Temperature
Class - Dust
Minimum
amb. °C
Maximum
amb. °C
T4 T135°C -50°C +60°C
T5 T100°C -50°C +56°C
T6 T85°C -50°C +44°C
FF / FISCO Version with “L5” option (display TTG)
Ui= 17,5 Vdc Ii= 380 mA Pi= 5,32 W Ci= 5nF Li= 10 uH
Temperature
Class - Gas
Temperature
Class - Dust
Minimum
amb. °C
Maximum
amb. °C
T4 T135°C -50°C +60°C
T5 T100°C -50°C +56°C
T6 T85°C -50°C +44°C
7.2 Ex Safety aspects and IP Protection (North
America)
7.2.1 Applicable standards
According to FM Approvals Standards which can assure compliance
with Essential Safety Requirements
FM 3600: Electrical Equipment for use in Hazardous
(Classified) Locations, General Requirements.
FM 3610: Intrinsically Safe Apparatus and Associated
Apparatus for Use in Class I, II, III, Division 1, and
Class I, Zone 0 & 1 Hazardous (Classified)
Locations.
FM 3611: Nonincendive Electrical Equipment for Use in Class I
and II, Division 2 and Class III Division 1 and 2
Hazardous (Classified) Locations.
FM 3615: Explosionproof Electrical Equipment.
FM 3810: Electrical and Electronic Test, Measuring and
Process Control Equipment.
NEMA 250: Enclosure for Electrical Equipment (1000 Volts
Maximum)
7.2.2 Classifications
The 2600T Series pressure transmitters have been certified by FM
Approvals for the following Class, Divisions and Gas groups,
hazardous classified locations, temperature class and types of
protection.
Explosionproof (US) for Class I, Division 1, Groups A, B, C and D,
hazardous (classified) locations.
Explosionproof (Canada) for Class I, Division 1, Groups B, C and
D, hazardous (classified) locations.
Dust Ignition proof for Class II, III Division 1, Groups E, F and G,
hazardous (classified) locations.
Suitable for Class II, III, Division 2, Groups F and G, hazardous
(classified) locations.
NonIncendive for Class I, Division 2, Groups A, B, C and D, in
accordance with Nonincendive field wiring requirements for
hazardous (classified) locations.
Intrinsically Safe for use in Class I, II and III, Division 1, Groups A,
B, C, D, E, F, and G in accordance with Entity requirements for
hazardous (classified) locations.
Temperature class T4 to T6 (dependent on the maximum input
current and the maximum ambient temperature).
Ambient Temperature range -40°C to +85°C (dependent on the
maximum input current and the maximum temperature class).
Electrical Supply range Minimum 10.5 Volts, Maximum 42 Volts
(dependent on the type of protection, maximum ambient
temperature, maximum temperature class and communication
protocol).
Type 4X applications Indoors/Outdoors.
For a correct installation in field of 2600T Series pressure transmitters
please see the related control drawing.
Note that the associated apparatus must be FM approved.
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ABB 266PSH Operating Instructions Manual

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