WIKA PSD-4 Mode d'emploi

Taper
Mode d'emploi
Operating instructions
Betriebsanleitung
Mode d'emploi
Manual de instrucciones
EN
DE
FR
ES
Pressure switch, model PSD-4
Pressure switch, model PSD-4
Druckschalter, Typ PSD-4
Pressostat, type PSD-4
Presostato, modelo PSD-4
2 WIKA operating instructions pressure switch, model PSD-4
EN
DE
FR
ES
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© 07/2017 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA
®
is a registered trademark in various countries.
WIKA
®
ist eine geschützte Marke in verschiedenen Ländern.
Prior to starting any work, read the operating instructions!
Keep for later use!
Vor Beginn aller Arbeiten Betriebsanleitung lesen!
Zum späteren Gebrauch aufbewahren!
Lire le mode d‘emploi avant de commencer toute opération !
A conserver pour une utilisation ultérieure !
¡Leer el manual de instrucciones antes de comenzar cualquier trabajo!
¡Guardar el manual para una eventual consulta!
Betriebsanleitung Typ PSD-4 Seite 35 - 66
Operating instructions model PSD-4 Page 3 - 34
Mode d‘emploi type PSD-4 Page 67 - 98
Manual de instrucciones modelo PSD-4 Página 99 - 131
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Contents
Declarations of conformity can be found online at www.wika.com
Contents
1. General information 4
2. Design and function 5
3. Safety 7
4. Transport, packaging and storage 10
5. Commissioning, operation 11
6. Faults 21
7. Maintenance and cleaning 24
8. Dismounting, return and disposal 25
9. Specications 27
10. Accessories and spare parts 34
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1. General information
1. General information
The instrument described in the operating instructions has been designed and manufactured using state-of-the-
art technology. All components are subject to stringent quality and environmental criteria during production. Our
management systems are certied to ISO 9001 and ISO 14001.
These operating instructions contain important information on handling the instrument. Working safely requires that
all safety instructions and work instructions are observed.
Observe the relevant local accident prevention regulations and general safety regulations for the instrument's range
of use.
The operating instructions are part of the product and must be kept in the immediate vicinity of the instrument and
readily accessible to skilled personnel at any time. Pass the operating instructions on to the next operator or owner
of the instrument.
Skilled personnel must have carefully read and understood the operating instructions prior to beginning any work.
The general terms and conditions contained in the sales documentation shall apply.
Subject to technical modications.
Further information:
- Internet address: www.wika.de / www.wika.com
- Relevant data sheet: PE 81.86
- Application consultant: Tel.: +49 9372 132-0
Fax: +49 9372 132-406
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2. Design and function
2. Design and function
2.1 Scope of delivery
Pressure switch
Operating instructions
Test report
Cross-check scope of delivery with delivery note.
2.2 Overview
INFO button
Digital indicator
Status display, switching outputs
MENU button
Confirmation button
Electrical connection
Process connection, spanner flats
Process connection, thread
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4-digit LED display
Display of pressure value
Display of menu item
Display of parameter
Status of switching output 1
Status of switching output 2 (optional)
Display mode
Short press
Display of unit
Long press
Display of the set parameters, see
chapter 5.7 “Parameters”
Programming mode
Short press
Menu up
Parameter value up (step-wise)
Long press
Menu up
Parameter value up (fast)
Display mode
Short press
Display of unit
Long press
Jumping into the programming mode
Programming mode
Short press
Menu down
Parameter value down (step-wise)
Long press
Menu down
Parameter value down (fast)
Display mode
Short press
Display of unit
Programming mode
Short press
Selection of menu item
Conrmation of input
2.3 Display and operating unit
2. Design and function
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3. Safety
3. Safety
3.1 Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in serious injury or death, if not avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or damage to property or the
environment, if not avoided.
WARNING!
... indicates a potentially dangerous situation that can result in burns caused by hot surfaces or liquids,
if not avoided.
Information
... points out useful tips, recommendations and information for ecient and trouble-free operation.
3.2 Intended use
The instrument has been designed and built solely for the intended use described here, and may only be used
accordingly.
The manufacturer shall not be liable for claims of any type based on operation contrary to the intended use.
Intended use
The PSD-4 pressure switch is used for the switching of circuits as a function of the measured pressure. In addition, the
pressure value can be output to appropriate read-out units as a standardised analogue signal. The switching conditions
can be programmed directly at the pressure switch (switch and reset points, ...). Via the dierent display elements,
switching statuses and pressure values can be read.
This is a class B instrument for emissions and is intended for use in industrial environments. In other environments,
e.g. residential or commercial installations, it can intefere with other equipment under certain conditions. In such
circumstances the operator is expected to take the appropriate measures.
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Application areas
Only use the pressure switch in applications that lie within its technical performance limits (e.g. max. ambient
temperature, material compatibility, ...).
→ For performance limits see chapter 9 “Specications”.
Technical restrictions
The overload pressure must never be exceeded, even when failures occur in the end-use application. Loadings
above the overload safety can cause measuring errors.
Pressure surges below the nominal pressure and shorter than 1 ms can cause measuring errors.
For applications where pressure spikes can occur, the use of a restrictor is recommended. The restrictor narrows the
pressure port to 0.3 mm and thus increases the resistance against pressure spikes.
With media that could block the pressure port (e.g. through particles), a ush instrument version must be used.
With a high ambient temperature and a high UV irradiation, the pressure switch must be installed with additional
covering in order to avoid damage to the digital indicator and buttons.
The medium temperature at the instrument must not exceed 85 °C. With hotter media, a cooling element can
provide a solution (see chapter 10 Accessories and spare parts”).
3.3 Personnelqualication
Skilled personnel
Skilled personnel, authorised by the operator, are understood to be personnel who, based on their technical training,
knowledge of measurement and control technology and on their experience and knowledge of country-specic regula-
tions, current standards and directives, are capable of carrying out the work described and independently recognising
potential hazards.
Special operating conditions require further appropriate knowledge, e.g. of aggressive media.
3. Safety
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3. Safety
3.4 Use of accessories and spare parts
It is recommended to use original accessories and original spare parts from WIKA. Using accessories and spare parts
from third parties can lead to damage to the instrument or accidents, due to quality defects or other reasons.
WIKA assumes no liability for damage or accidents caused by a malfunction or unsuitability of accessories and spare
parts which do not originate from WIKA (e.g. non-compliance with the IP ingress protection of connectors). No warranty
claims can be made which arise due to a malfunction or unsuitability of any accessory or spare part from a third party.
3.5 Labelling, safety marks
Product label
If the serial number becomes illegible (e.g. due to mechanical damage or overpainting), traceability will no longer be
possible.
S# Serial no.
Pin assignment and specications
P# Product no.
Approvals
Measuring range
Coded date of manufacture
IO-Link version (option)
Symbols
Before mounting and commissioning the instrument, ensure you read the operating instructions!
www.wika.com
Made in Germany
PSD-4
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4. Transport, packaging and storage
4. Transport, packaging and storage
For the protection of the diaphragm, the ush design is delivered with a special protection cap.
In order to avoid damage at the diaphragm and/or the process connection thread, remove the
protection cap by hand only just before installation.
Keep the protection cap for subsequent storage or transport.
Fit the protection cap before dismounting and transporting the instrument.
4.1 Transport
Check the pressure switch for any damage that may have been caused by transport. With ush design, additionally
check the diaphragm for any optical damage.
Obvious damage must be reported immediately.
4.2 Packaging and storage
Do not remove packaging until just before mounting.
Keep the packaging as it will provide optimum protection during transport (e.g. change in installation site, sending for
repair).
Permissible conditions at the place of storage:
Storage temperature: -20 ... +70 °C
Humidity: 45 ... 75 % relative humidity (no condensation)
In order to protect the diaphragm, mount the protection cap before storing the instrument.
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5. Commissioning, operation
5. Commissioning, operation
5.1 Check the instrument
Prior to commissioning, the pressure switch must be subjected to a visual inspection.
Leaking uid is indicative of damage.
Only use the pressure switch if it is in perfect condition with respect to safety.
Check the diaphragm for any visible damage, since this is a safety-relevant component.
5.2 Requirements for mounting point
The mounting point must meet the following conditions:
Protected from weather inuences.
With a high ambient temperature and a high UV irradiation, the pressure switch must be installed with additional
covering in order to avoid damage to the digital indicator and buttons.
Sealing faces are clean and undamaged.
Sucient space for a safe electrical installation.
For information on tapped holes and welding sockets, see Technical information IN 00.14 at www.wika.com.
Permissible ambient and medium temperatures remain within the performance limits. Consider possible restrictions
on the ambient temperature range caused by mating connector used.
→ For performance limits see chapter 9 “Specications”
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5.3 Mechanical mounting
The max. torque depends on the mounting point (e.g. material and shape). If you have any questions,
please contact our application consultant.
→ For contact details see chapter 1 “General information” or the back page of the operating instructions.
1. Seal the sealing face (→ see “Sealing variants”).
2
.
At the mounting point, screw the pressure switch in hand-tight.
3
.
Tighten with a torque spanner using the spanner ats.
Sealing variants
Parallel threads
Seal the sealing face with flat gasket, lens-type
sealing ring or WIKA profile sealing.
per EN 837
per DIN 3852-E
Tapered threads
Wrap threads with sealing material (e.g. PTFE
tape).
NPT, R and PT
5. Commissioning, operation
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5. Commissioning, operation
5.4 Electrical mounting
5.4.1 Requirements for voltage supply
→ For power supply see product label
The power supply for the pressure switch must be made via an energy-limited electrical circuit in accordance with
section 9.4 of UL/EN/IEC 61010-1, or an LPS per UL/EN/IEC 60950-1 / CSA C22.2 no. 60950-1, or class 2 in
accordance with UL1310/UL1585 (NEC or CEC). The voltage supply must be suitable for operation above 2,000 m
should the pressure switch be used at this altitude.
5.4.2 Requirements for electrical connection
Ingress protection of the mating connector corresponds to the ingress protection of the pressure switch.
Cable diameter matches the cable bushing of the mating connector.
Cable gland and seals of the mating connector are correctly seated.
No humidity can ingress at the cable end.
5.4.3 Requirement for shielding and grounding
The pressure switch must be shielded and grounded in accordance with the grounding concept of the application.
5.4.4 Connecting the instrument
1. Assemble the mating connector or cable outlet.
→Pin assignment, see product label
2
.
Establish the plug connection.
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5.5 Zero point setting
Check the indicated zero point on the digital indicator during commissioning. Should a zero point oset be displayed as
a result of installation, this can be reset in programming mode with the 0SET parameter
Carry out zero point setting for gauge and vacuum pressure measuring ranges in a depressurised state.
Carry out zero point setting of absolute pressure measuring ranges at 0 bar absolute (vacuum).
Since appropriate references are required for this, we recommend that this is only carried out by the
manufacturer.
5.6 Operating modes
Mode Description
System start Digital indicator is fully activated for 1 sec.
When the pressure switch is powered up within the range of the hysteresis, the output switch is set to
“not active” by default.
Programming mode
(setting the parameters)
Activating the programming mode
Keep the “MENU” button pressed for approx. 5 sec. If the password is set to ≠ 0000, a password will be
requested. If authentication is successful, then it enters the programming mode, otherwise it reverts to
display mode.
Timeout
If, during the setting of a parameter, no button is pressed for 60 s, the instrument returns to the display
mode with the value unchanged.
Display mode
(normal operation, display of
pressure value)
Returning to the display mode
Simultaneous pressing of “INFO” and “MENU”
5. Commissioning, operation
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5.7 Overview of parameters
Menu
item
Description Parameter Factory setting
SP1/SP2 Hysteresis function:
Switch point (switching output 1 / 2)
0.25 ... 100 % of measuring range Nominal pressure
FH1/FH2 Window function:
Window high (switching output 1 / 2)
0.25 ... 100 % of measuring range Nominal pressure
RP1/RP2 Hysteresis function: Reset point, switching
output (1 or 2)
0 ... (switch point - 0.25 % of measuring range)
Nominal pressure -
10 %
FL1/FL2 Window function: Window low switching
output (1 or 2)
0 ... (window high - 0.25 % of measuring range)
Nominal pressure -
10 %
EF Extended programming functions
RES Reset the set parameters to the factory
settings
Yes / No
DS1/DS2 Switching delay time, which must occur
without interruption before any electrical
signal change occurs (SP1 or SP2)
0.00 ... 65.00 s 0.00 s
DR1/DR2 Reset delay time, which must occur
without interruption before any electrical
signal change occurs (RP1 or RP2)
0.00 ... 65.00 s 0.00 s
OU1 / OU2 Switching function (switching output 1 / 2) HNO = hysteresis function, normally open
HNC = hysteresis function, normally closed
FNO = window function, normally open
FNC = window function, normally closed
HNO
OU3 Output signal switching I = 4 ... 20 mA
U = DC 0 ... 10 V
I
POL1/POL2 Switching logic (switching output 1 / 2) PNP, NPN PNP
ALOW Measuring range scaling/turndown
(analogue value, start value)
corresponding to analogue output Start of measuring
range
AHGH Measuring range scaling/turndown
(analogue value, end value)
corresponding to analogue output End of measuring
range
AVGD Damping (digital indicator) 0.00 ... 65.00 s 0.20 s
5. Commissioning, operation
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Menu
item
Description Parameter Factory setting
AVG1/AVG2 Damping (switching output 1 / 2) 0.00 ... 65.00 s 0.00 s
AVG3 Damping (analogue signal) 0.00 ... 65.00 s 0.00 s
UNIT Unit switching BAR, mBAR, MPA, KPA, PSI, KGcm (kg/cm²),
%
Order-related
0SET Adjust zero point / Perform Autozero”
(max. 3 % of span)
Yes / No
DISM Display value in display mode ACT = current system pressure
LOW, HIGH = Min/Max system pressure
OFF = display o
SP1/FH1 = set switching value
RP1/FL1 = set switching value
SP2/FH2 = set switching value
RP2/FL2 = set switching value
ACT
DISU Refresh rate (digital indicator) 1, 2, 5, 10 updates/second 5
DISR Rotate the indication by 180° (digital
indicator)
Yes / No
DRES Resolution (digital indicator) OPT = optimised (stable measurement value
on display with rounding factors for the last
digit, optimised to the measuring range)
FULL = maximum (nest resolution, if required
for a stable measurement value on display, a
damping must be set for the digital indicator)
OPT
RHL Clear memory (Min/Max system pressure) Yes / No
PAS Password entry 0000 = no password
Password input digit by digit
0000
TAG Measuring instrument name (TAG) 32 selectable characters (A-Z ‚0 ... 9; -
‚SPACE)
(2 spaces in sequence terminate the input and
lead to the deletion of this and the underlying
characters)
without
5. Commissioning, operation
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5.8 Menu tree
Certain menu items (light grey) are only displayed if the pressure switch features the respective option.
Display mode
SP1 / FH1 Value Switch point/window high (switching output 1)
RP1 / FL1 Value Reset point/window low (switching output 1)
SP2 / FH2 Value Switch point/window high (switching output 2)
RP2 / FL2 Value Reset point/window low (switching output 2)
EF RES Yes / No Reset to factory settings
END DS1 Value Switching delay (switching output 1)
DR1 Value Reset delay (switching output 1)
DS2 Value Switching delay (switching output 1)
DR2 Value Reset delay (switching output 1)
OU1 PARA Switching function (switching output 1)
OU2 PARA Switching function (switching output 2)
OU3 PARA Output signal switching (analogue signal)
POL1 PARA Switching logic (switching output 1)
POL2 PARA Switching logic (switching output 2)
ALOW Value Measuring range scaling/turndown (analogue output, start value)
AHGH Value Measuring range scaling/turndown (analogue output, end value)
AVGD Value Damping (digital indicator)
AVG1 Value Damping (switching output 1)
AVG2 Value Damping (switching output 2)
AVG3 Value Damping (analogue output)
5. Commissioning, operation
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UNIT Unit Unit switching
0SET Yes / No Adjust zero point
DISM PARA Display value in display mode
DISU Value Refresh rate (digital indicator)
DISR Yes / No Rotate the indication by 180° (digital indicator)
DRES PARA Resolution (digital indicator)
RHL Yes / No Clear Min/Max memory
PAS Value Password entry
TAG Value Measuring instrument name (TAG)
END
5. Commissioning, operation
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5.9 Switching functions
Hysteresis function
If the system pressure uctuates around the set point, the hysteresis keeps the
switching status of the outputs stable. With increasing system pressure, the
output switches when reaching the switch point (SP).
Contact normally open (HNO): Active
Contact normally closed (HNC): Inactive
With system pressure falling again, the output will not switch back before the reset
point (RP) is reached.
Contact normally open (HNO): Inactive
Contact normally closed (HNC): Active
Window function
The window function allows for the control of a dened range.
When the system pressure is between window high (FH) and window low (FL),
the output switches on.
Contact normally open (FNO): Active
Contact normally closed (FNC): Inactive
When the system pressure is outside window high (FH) and window low (FL), the
output does not switch on.
Contact normally open (FNO): Inactive
Contact normally closed (FNC): Active
Fig.: Hysteresis function
Fig.: Window function
5. Commissioning, operation
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Delay times (0 ... 65 s)
This makes it possible to lter out unwanted pressure peaks of a short duration or
a high frequency.
The pressure must be present for at least a certain pre-set time for the output to
switch on. The output does not immediately change its status when it reaches the
switching event (SP), but rather only after the pre-set delay time (DS).
If the switching event is no longer present after the delay time, the switching
output does not change.
The output only switches back when the system pressure has fallen down to the
reset point (PR) and stays at or below the reset point (RP) for at least the pre-set
delay time (DR).
If the switching event is no longer present after the delay time, the switching
output does not change.
5.10 Damping function
The time constant “x” species the time duration which the digital indicator, the
switching output or the analogue signal requires to approach the end value with
a deviation of ± 1 % following a change in measured value. After a duration of 2
times “x”, the output value has reached 100% with a deviation of ± 0.01 % of the
prevailing pressure.
Fig.: Delay times
5.11 Measuring range scaling (turndown)
For versions with analogue signals, start of measuring range and end of measuring range can be set within the
permissible measuring range (turndown of 5:1 not to be exceeded).
5.12 Description of the IO-Link functionality (optional)
IO-Link is a point-to-point connection for the communication of the PSD-4 with an IO-Link master.
IO-Link specication: Version 1.1
A detailed description of the IO-Link functionality and the device description le (IODD) can be found online on the
product details page of the pressure switch at www.wika.de.
5. Commissioning, operation
100 %
0
x
Zeit
Time
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WIKA PSD-4 Mode d'emploi

Taper
Mode d'emploi