100mm CONTINUOUS TRACE
CIRCULAR CHART RECORDER
INSTALLATION AND OPERATION
MANUAL
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
HA204392NLG
Issue 8 Dec 15
Page 1
100 mm CIRCULAR-CHART RECORDER
INSTALLATION AND OPERATION MANUAL
LIST OF CONTENTS
Section Page
SAFETY NOTES ........................................................................................................... 5
SYMBOLS USED ON THE RECORDER LABELLING ................................................8
WARRANTY STATEMENT ..........................................................................................9
1 INTRODUCTION ......................................................................................................10
1.1 MANUAL LAYOUT .............................................................................................. 10
1.2 RECORDER DESCRIPTION ................................................................................10
1.3 UNPACKING AND INSPECTION .....................................................................10
2 INSTALLATION.........................................................................................................11
2.1 MECHANICAL INSTALLATION ........................................................................11
2.1.1 Panel mounting ..........................................................................................................11
2.1.2 Wall mounting ............................................................................................................11
2.2 ELECTRICAL INSTALLATION ...........................................................................12
2.2.1 Supply voltage and case heater option wiring .....................................................12
2.2.2 Supply Voltage selection .........................................................................................13
2.2.3 Signal wiring ..............................................................................................................13
ATTENUATOR EXAMPLE ........................................................................................13
PINOUTS ..................................................................................................................13
TRANSMITTER POWER SUPPLY WIRING .............................................................14
2.2.4 Termination details .................................................................................................. 14
2.2.5 Wiring installation .....................................................................................................15
2.3 CIRCUIT BOARD LOCATION ...........................................................................15
2.4 INPUT BOARD HARDWARE CONFIGURATION ............................................. 16
2.4.1 Board number ...........................................................................................................16
2.4.2 CJC/RTD ....................................................................................................................16
2.4.3 TC/RTD ....................................................................................................................... 16
2.4.4 Upscale/Downscale drive ........................................................................................ 16
2.5 CHART FITTING ................................................................................................. 17
2.6 PEN FITTING ......................................................................................................18
3 OPERATION .............................................................................................................19
3.1 OPERATING DISPLAYS ....................................................................................19
3.1.1 INPUT/MATHS CHANNEL VALUES ...............................................................19
3.1.2 Totaliser displays .......................................................................................................19
3.1.3 Alarm information .....................................................................................................20
INDIVIDUAL CHANNEL ALARMS ..........................................................................20
GLOBAL ALARM SYMBOL .....................................................................................20
INSTRUMENT ALARM ............................................................................................20
3.2 OPERATOR MENUS ...........................................................................................21
3.2.1 Operator menu items ..............................................................................................21
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List of Contents (Cont.)
Section Page
4 RECORDER CONFIGURATION..............................................................................23
4.1 INTRODUCTION ................................................................................................23
4.1.1 Operator interface ....................................................................................................24
KEY FUNCTIONS .....................................................................................................24
CONFIGURATION DISPLAY ...................................................................................24
ENTRY OF ALPHANUMERIC DATA ......................................................................25
CHARACTER SET .....................................................................................................25
4.2 CONFIGURATION ACCESS ..............................................................................26
4.3 INPUT CHANNEL CONFIGURATION ..............................................................27
4.3.1 Configurable items ...................................................................................................28
4.3.2 Examples and application notes .............................................................................29
EXAMPLE 1: MV RANGING ...................................................................................29
EXAMPLE 2: MEASURING NEGATIVE VALUES...................................................29
EXAMPLE 3: THERMOCOUPLE RANGES ............................................................ 29
EXAMPLE 4: CURRENT LOOP MEASUREMENTS ............................................... 29
EXAMPLE 5: CHART RANGE ................................................................................. 29
4.4 DERIVED CHANNEL CONFIGURATION .........................................................30
4.4.1 Configurable items ...................................................................................................30
4.5 INSTRUMENT CONFIGURATION ....................................................................31
4.5.1 Configurable parameters ........................................................................................31
4.5.2 Action Equations ......................................................................................................32
ACTION EQUATION EXAMPLE .............................................................................32
4.5.3 Custom curve ............................................................................................................33
EXAMPLE .................................................................................................................. 33
CONFIGURABLE ITEMS .........................................................................................34
4.6 ALARM CONFIGURATION ...............................................................................35
4.6.1 Alarm Types ................................................................................................................ 35
ABSOLUTE ALARMS ...............................................................................................35
DEADBAND ALARMS ............................................................................................35
RATE OF CHANGE ALARMS .................................................................................36
EXAMPLE 1: RATE OF CHANGE ALARMS .........................................................36
EXAMPLE 2: HYSTERESIS .....................................................................................36
4.6.2 Configurable items ....................................................................................................36
4.7 RELAY OPTION CONFIGURATION .................................................................37
4.7.1 Configurable items ....................................................................................................37
4.8 TOTALISER OPTION CONFIGURATION .........................................................38
4.8.1 Factor Entry ...............................................................................................................38
SCALING ..................................................................................................................38
4.8.2 CONFIGURABLE ITEMS ...............................................................................39
4.9 TIMER CONFIGURATION .................................................................................. 41
4.9.1 Configurable items ...................................................................................................41
4.10 DERIVED VARIABLES ...................................................................................... 42
4.10.1 Introduction .............................................................................................................42
AVAILABLE MATHS FUNCTIONS .........................................................................42
4.10.2 Configuration ........................................................................................................... 43
FUNCTION DETAILS ...............................................................................................43
4.10.2 MATHS FUNCTION CONFIGURATION (Cont.) ..................................................45
4.10.3 Examples ..................................................................................................................45
HIGH AND LOW SELECT ........................................................................................ 45
4.10.3 EXAMPLES (Cont.) ...................................................................................................46
MASS FLOW WITH PRESSURE AND TEMPERATURE COMPENSATION ..........46
4.10.3 EXAMPLES (Cont.) ...................................................................................................47
FINDING THE AVERAGE OF A NUMBER OF INPUTS .........................................47
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HA204392NLG
Issue 8 Dec 15
Page 3
List of Contents (Cont.)
Section Page
4.11 RETRANSMISSION OPTION ...........................................................................48
4.11.1 Hardware configuration ......................................................................................... 48
4.11.2 Software configuration ...........................................................................................49
CONFIGURABLE ITEMS .........................................................................................49
4.12 CONTACT (EVENT) INPUTS ........................................................................... 50
4.13 EVENT PEN ......................................................................................................50
5 CALIBRATION ..........................................................................................................51
5.1 INPUT CHANNEL CALIBRATION ......................................................................52
5.1.1 Input channel calibration procedure ......................................................................52
5.2 CJC SENSOR CALIBRATION ......................................................................................53
5.2.1 CJC sensor calibration procedure ..........................................................................53
5.3 RESTORE FACTORY CALIBRATION .................................................................53
5.3.1 Restore factory calibration procedure ....................................................................53
5.4 PEN CALIBRATION ............................................................................................54
5.4.1 Pen calibration procedure ........................................................................................54
5.5 VIEW OPTIONS ..................................................................................................54
5.6 RETRANSMISSION OUTPUT CALIBRATION ..................................................55
5.6.1 Retransmission calibration procedure ....................................................................55
5.7 RETURN RETRANSMISSION OUTPUT TO FACTORY CALIBRATION ........... 55
5.7.1 Restore factory calibration procedure ....................................................................55
ANNEX A SPECIFICATION .......................................................................................56
INDEX ............................................................................................................................ 58
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CONTINUOUS TRACE CIRCULAR-CHART RECORDER
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Page 5
SAFETY NOTES
WARNING
1. The Safety, EMC and other compliance requirements of the system incorporating this instrument is
the responsibility of the installer (assembler) of the system.
2. Any interruption of the protective conductor inside or outside the apparatus, or disconnection of
the protective earth terminal is likely to make the apparatus dangerous under some fault conditions.
Intentional interruption is prohibited. See also note 10 and 11 below.
3. Live sensors: The unit is designed to operate if the temperature sensor is connected directly to
an electrical heating element. It must be ensured that service personnel do not touch connections
to such inputs whilst the inputs are live. With live sensors, all cables, connections and switches for
connecting the sensor must be mains rated for use in 240V Cat II.
4. Grounding the temperature sensor shield: Where it is common practice to replace the temperature
sensor whilst the instrument is live, it is recommended that the shield of the temperature sensor be
grounded to safety earth, as an additional protection against electric shock.
5. The instrument must not be wired to a three-phase supply with an unearthed star connection,
because, under fault conditions, such a supply could rise above 240V RMS with respect to ground,
thus rendering the instrument unsafe.
6. Any interruption of the protective conductor inside or outside the apparatus, or disconnection of
the protective earth terminal is likely to make the apparatus dangerous under some fault conditions.
Intentional interruption is prohibited.
Notes:
1. Safety requirements for permanently connected equipment state:
a. A switch or circuit breaker shall be included in the building installation.
b. It shall be in close proximity to the equipment and within easy reach of the operator.
c. It shall be marked as the disconnecting device for the equipment.
2. Disconnecting the mains supply means isolating all current carrying conductors associated
with the equipment.
1. This instrument has no serviceable parts, with the exception of any listed consumables. Please
contact your supplier for advice.
2. This instrument is intended for industrial temperature, process control and/or monitoring/recording
applications within the requirements of the European directives on safety and EMC.
3. Installation may be carried out by qualified and suitably trained personnel only.
4. To prevent hands or metal tools coming into contact with parts that are electrically live the instrument
must be installed in a panel or enclosure.
5. Where conductive pollution (e.g. condensation, carbon dust) is likely, adequate air conditioning/
filtering/ sealing etc. must be installed in the enclosure.
6. If the instrument is fitted with an internal mains supply fuse it is not replaceable. If it is suspected that
the fuse is faulty, the manufacturer’s local service centre should be contacted for advice.
7. In all cases the instrument must be protected by an externally supplied fuse. The recommended
external fuse rating is 3 Amp, Type T; 250 V.
8. Whenever it is likely that protection has been impaired, the unit shall be made inoperative, and
secured against accidental operation. The manufacturer’s nearest service centre should be contacted
for advice.
9. If the equipment is used in a manner not specified by the manufacturer, the protection provided by
the equipment might be impaired.
10. Before any other connection is made, the protective earth terminal shall be connected to a protective
conductor. The protective earth connection must always be the first to be connected and the last to
be disconnected. The mains (supply voltage) wiring must be terminated in such a way that, should
it slip, the Earth wire would be the last wire to become disconnected. The protective earth terminal
must remain connected if any of the I/O circuits are connected to hazardous voltages* (even if the
equipment is isolated from the mains supply).
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
Page 6 HA204392NLG
Issue 8 Dec 15
* A full definition of ‘Hazardous’ voltages appears under ‘Hazardous live’ in BS EN61010. Briefly, under
normal operating conditions, hazardous voltages are defined as being > 30V RMS (42.2V peak) or > 60V
dc.
11. The instrument must be wired in accordance with data given in this manual or the Installation
and wiring instructions which are supplied with the instrument. Always use copper cables unless
otherwise stated. Wiring must comply with all local wiring regulations, e.g. in the UK, the latest IEEE
wiring regulations (BS7671) and in the USA, NEC class 1 wiring methods.
12. Mains supply cables must comply with the requirements of IEC60227 or IEC60245.
Note: The minimum recommended mains supply wire size is 20AWG equivalent to
16/0.2 (0.5mm
2
).
13. Signal and supply voltage wiring should be kept separate from one another. Where this is
impractical, shielded cables should be used for the signal wiring.
14. Flexbile metal conduit should be used for all external wiring wherever there is a risk of mechanical
damage.
15. The maximum continuous voltage applied between any of the following terminals must not exceed
240Vac:
a. Relay output to logic, dc or sensor input connections
b. Any connection to ground.
THE AC SUPPLY MUST NOT BE CONNECTED TO SENSOR INPUT OR LOW-LEVEL INPUTS OR OUTPUTS.
16. Instrument labels may be cleaned using iso-propyl alcohol, or water or water-based products. A mild
soap solution may be used to clean other exterior surfaces.
REMARQUES CONCERNANT LA SÉCURITÉ
AVERTISSEMENT
1. Il appartient à l’installateur du système de s’assurer que le système intégrant cet instrument est
conforme aux exigences de sécurité, à la compatibilité électromagnétique et autres exigences de
conformité.
2. Toute coupure du conducteur de protection, à l’intérieur ou à l’extérieur de l’appareil, ou la
déconnexion de la borne de mise à la terre de protection risque de rendre l’appareil dangereux lors
de certaines anomalies de fonctionnement. Toute coupure intentionnelle est interdite. Voir aussi les
notes 10 et 11 ci-dessous.
3. Capteurs sous tension: Ce régulateur est conçu pour fonctionner avec le capteur de température
directement relié à un élément de chauffage électrique. Veillez à ce que le personnel d’entretien
ne touche pas ces connexions lorsqu’elles sont sous tension. Tous les câbles, connexions et
commutateurs de connexion d’un capteur sous tension devront être calibrés en fonction de la tension
du réseau de 240 V CATII.
4. Mise à la terre du blindage du capteur de température : Lorsqu’on a l’habitude de remplacer le
capteur de température pendant que l’instrument est sous tension, il est recommandé de mettre le
blindage du capteur de température à la terre comme protection supplémentaire contre les chocs
électriques.
5. L’instrument ne doit pas être câblé sur une alimentation triphasée comportant une connexion étoile
non mise à la terre car en cas de défaillance cette alimentation pourrait dépasser 240 V RMS en ce
qui concerne la terre, ce qui rendrait l’instrument dangereux.
6. Toute coupure du conducteur de protection, à l’intérieur ou à l’extérieur de l’appareil, ou la
déconnexion de la borne de mise à la terre de protection risque de rendre l’appareil dangereux lors
de certaines anomalies de fonctionnement. Toute coupure intentionnelle est interdite.
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HA204392NLG
Issue 8 Dec 15
Page 7
Notes :
1. Les consignes de sécurité applicables aux équipements connectés en permanence stipulent
que :
a. Un interrupteur ou disjoncteur doit être inclus dans l’installation.
b. Ce dernier doit être situé à proximité immédiate de l’équipement et être facilement acces-
sible pour l’opérateur.
c. Il doit être clairement identifié comme dispositif de sectionnement de l’équipement.
2. Débrancher le secteur signifie que tous les conducteurs porteurs de courant associés à l’équi-
pement seront isolés.
1. Cet instrument ne dispose pas de pièce réparable, à l’exception des consommables indiqués.
Veuillez contacter votre fournisseur pour tout conseil.
2. Cet instrument est conçu pour des applications industrielles de régulation des procédés et/ou de
surveillance/enregistrement de la température et satisfait aux exigences des directives européennes
en matière de sécurité et de compatibilité électromagnétique.
3. L’installation ne peut être effectuée que par un personnel formé qualifié et approprié.
4. Pour éviter que les mains ou des outils en métal n’entrent en contact avec les pièces sous tension,
l’instrument doit être installé sur un tableau ou dans une armoire.
5. Dans les situations où une pollution conductrice (condensation, poussière de carbone) est probable,
un dispositif de conditionnement/filtrage d’air ou d’étanchéité doit être installé dans l’armoire.
6. Si l’instrument est muni d’un fusible d’alimentation secteur interne, il n’est pas remplaçable. Si l’on
soupçonne que le fusible est défectueux, s’adresser impérativement au service après-vente du
fabricant pour la marche à suivre.
7. Dans tous les cas, l’instrument doit être protégé par un fusible externe fourni. Le fusible externe
conseillé doit avoir une capacité de 3A, de type T; 250V.
8. Lorsqu’il est probable que la protection a été endommagée, l’unité doit être mise hors service et
protégée contre toute utilisation accidentelle. S’adresser impérativement au service après-vente du
fabricant pour la marche à suivre.
9. Si l’équipement est utilisé autrement que de la manière spécifiée par le fabricant, la protection
assurée par l’équipement risque d’être compromise.
10. Avant d’effectuer tout autre raccordement, la borne de mise à la terre de protection sera raccordée à
un conducteur de protection. La prise de terre doit toujours être la première connectée et la dernière
déconnectée. Le câblage secteur (tension d’alimentation) doit être borné de manière à ce qu’en cas
de glissement, le fil de terre soit le dernier à se déconnecter. La borne de mise à la terre doit rester
connectée si les circuits E/S sont connectés à des tensions dangereuses* (même si l’équipement est
isolé de l’alimentation secteur).
* Une définition complète des tensions «dangereuses» est fournie dans «Hazardous live» dans la norme
BS EN61010. Pour résumer, dans les conditions de fonctionnement normales, les tensions dangereuses
sont définies comme celles qui correspondent à 30 V RMS (42,2 V crête) ou 60 V cc.
11. L’instrument doit être raccordé conformément aux données indiquées dans le présent manuel ou
aux instructions d’installation et de câblage fournies avec l’instrument. Toujours utiliser des câbles de
cuivre, à moins que ce ne soit spécifié autrement. Le câblage doit respecter toute la réglementation
locale en la matière, par exemple au Royaume-Uni la réglementation de câblage IEEE la plus récente
(BS7671) et aux États-Unis les méthodes de câblage NEC Classe 1.
12. Les câbles d’alimentation secteur doivent être conformes aux exigences des normes IEC60227 ou
IEC60245.
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CONTINUOUS TRACE CIRCULAR-CHART RECORDER
Page 8 HA204392NLG
Issue 8 Dec 15
Note : La taille minimale conseillée pour le câble d’alimentation secteur est 20AWG, équivalent à
16/0.2 (0.5mm
2
).
13. Les câbles de puissance doivent être séparés de ceux d’alimentation. Si ceci n’est pas possible pour
des raisons pratiques, des câbles gainés doivent être utilisés pour les câbles de commande.
14. Une gaine métallique souple doit être utilisée pour tous les câbles externes, partout où demeure un
risque d’endommagement mécanique.
15. La tension maximale appliquée en régime continu aux bornes suivantes ne doit pas dépasser 240 V
CA:
a. Sortie relais vers raccordements logiques, CC ou capteur
b. Raccordements à la terre.
L’ALIMENTATION CA NE DOIT PAS ÊTRE RACCORDÉE À UNE ENTRÉE DE CAPTEUR OU À DES ENTRÉES OU
SORTIES DE NIVEAU BAS.
16. Les étiquettes des instruments peuvent se nettoyer à l’alcool isopropyl ou avec de l’eau ou des
produits à base d’eau. Utiliser une solution savonneuse douce pour nettoyer les autres surfaces
extérieures.
SYMBOLS USED ON THE RECORDER LABELLING
One or more of the symbols below may appear as a part of the recorder labelling.
W
Refer to the Manual for instructions
P
C-Tick mark for Australia (ACA)
and New Zealand (RSM)
D
Risk of electric shock
L
X
Underwriters laboratories listed
mark for Canada and the U.S.A.
O
Precautions against static electrical
discharge must be taken when
handling this unit
*
For environmental reasons, this
unit must be recycled before its
age exceeds the number of years
shown in the circle.
5
Protective earth (ground) terminal
7
Ethernet connector
-
Protected by DOUBLE
INSULATION
T
USB connector
C
This unit is CE approved
J
Dispose of properly
F
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
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Issue 8 Dec 15
Page 9
WARRANTY STATEMENT
This product is warranted against defects in materials and workmanship for the specified period from the
date of shipment. During the warranty period the manufacturer will, at its option, either repair or replace
products which prove to be defective.
Warranty service at the buyer’s facility can be provided only under prior agreement by the manufacturer
or its representative, and the buyer may be required to pay round-trip travel expenses.
In all cases, the buyer has the option of returning the product for Warranty service to a facility designated
by the manufacturer or its representatives. The buyer shall prepay shipping charges for products
returned to a service facility, and the manufacturer or its representative shall pay for the return of the
product to the buyer.
LIMITATION OF WARRANTY
The foregoing warranty shall not apply to defects arising from:
• Improper or inadequate maintenance by the user
• Improper or inadequate site preparation
• Unauthorized modification or misuse
• Operation of the product in unfavourable environments, especially, high temperature, high humidity,
corrosive or other damaging atmospheres
DISCLAIMER
No other warranty is expressed or implied. The manufacturer specifically disclaims the implied warranties
of merchantability and fitness for a particular purpose.
EXCLUSIVE REMEDIES
The remedies provided are the buyer’s sole and exclusive remedies. The manufacturer shall not be liable
for any direct, indirect, special incidental or consequential damages.
CALIBRATION ACCURACY
This product was thoroughly tested to ensure compliance with the published specifications. All
instruments used in production and final test are regularly inspected to maintain accuracy of calibration
traceable to the National Bureau of Standards. The user should be satisfied that the performance of the
product as received meets expectations and, as part of a programme of planned maintenance, should
periodically check calibration accuracy against reliable standards.
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
Page 10 HA204392NLG
Issue 8 Dec 15
1 INTRODUCTION
This manual is intended to familiarise the user with the basic installation, operations and routine
maintenance of a 100 mm continuous-trace circular-chart recorder. For details of other manuals
associated with this recorder, please refer to the list of associated manuals on the inside front cover.
1.1 MANUAL LAYOUT
This manual is divided into a number of sections as follows:
Section 1 This describes the manual and its organisation and gives a brief description of the recorder
Section 2 Installation. Gives mechanical and electrical installation details.
Section 3 Operation. Gives details of the operating displays of the recorder.
Section 4 Configuration. Gives details of how to set the recorder up to measure and record the
required inputs.
Section 5 Calibration. Gives details of how to calibrate input and output channels and how to align the
pens with the chart.
Section 6 Diagnostics. This section gives diagnostic and fault-finding details.
Annex A The technical specification for the recorder.
1.2 RECORDER DESCRIPTION
The recorder is a user-configurable 1, 2, 3 or 4-pen instrument
producing traces on a circular chart of 100 mm calibrated width. The
operator interface is an integral membrane keyboard and associated
vacuum fluorescent display (two lines, each of twenty characters).
Configuration is divided into a number of sections, with logical menu-
driven steps displayed in plain English. The sectional nature of the
menu structure allows the user to select only those items required for a
particular application.
Modular construction and the use of surface-mount technology produce
a compact design which is easy to maintain and to upgrade.
1.3 UNPACKING AND INSPECTION
The recorder is despatched in a special pack designed to give adequate
protection during transit. Should the outer box show signs of damage,
it should be opened immediately and the recorder examined. If there
is evidence of damage, the instrument should not be operated and the
local representative contacted for instructions. After the recorder has
been removed from its packing, the packing should be examined to
ensure that all accessories and documentation have been removed.
Open the door of the recorder by lifting up the bottom of the catch
and pulling it outwards and upwards (figure 1.3a). Open the door and
loosen the captive Platen locking screw (figure 1.3b) to release the chart
platen. Ensure the adjacent earth screw is not accidentally loosened in
the process. Open the platen, and inspect the recorder for mechanical
integrity. Re-secure the platen and latch the door shut. If the recorder is
to be stored before use, return it to the packing in which it was received.
If not, the recorder may now be mounted as described below.
Once the recorder has been installed, any internal packing should be
removed, and stored with the external packing against future transport
requirements.
Figure 1.3a Door catch
Figure 1.3b Platen securing screw
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Page 11
2 INSTALLATION
2.1 MECHANICAL INSTALLATION
Mechanical installation details are shown in figure 2.1
2.1.1 Panel mounting
The recorder is inserted through the panel aperture from the front of the panel. With the weight of the
recorder supported, the recorder is secured using the two clamp brackets supplied , either at the top and
bottom or at the right and left sides of the recorder.
2.1.2 Wall mounting
The clamp brackets are reversed for wall mounting.
Figure 2.1 Mechanical installation
Bolt
Spring washer
Washer
Panel mounting Technique
(Brackets reversed for wall mounting)
Lift latch
to operate
148 mm
36 mm
2 mm
340 mm
Right side
Door opens
100˚
345 mm
12.5 mm
22.5
mm
Max. panel
thickness
= 25.4 mm
360 mm.
380 mm
Top view
Front view
Note:
Bezel and panel cutout are offset
from one another horizontally
345.5mm Wide x
340.5mm High
both mm
+ 2
– 0
13.60 inches Wide x
13.41 inches High
both in.
+ 0.08
– 0
Bezel/door outline
Panel cutout
Panel cutout
5˚
30˚
Panel mounting angles
vertical
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
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Issue 8 Dec 15
2.2 ELECTRICAL INSTALLATION
Details for connecting the line supply and for signal wiring are shown in figure 2.2.1
2.2.1 Supply voltage and case heater option wiring
There are two mains connectors on the board wired in parallel. One is intended for supply voltage
connection - the other is for the case heater option (now obsolete). As they are in parallel, either
connector can be used. The connector for supply voltage connection is in two parts; one part mounted
on the main circuit board, the other (mating) part is supplied in the recorder accessory pack. The wiring
details for this connector are shown in figure 2.2.1. It must be ensured that the bared ends of the wires
are fully inserted before the clamping screws are tightened. The safety earth connection is to be made to
the earthing point located in the bottom right hand corner of the case using an M5 ring terminal clamp
with the fixing tightened to 2Nm. The safety earth conductor must be connected independently, as a
separate cable and be of such a length that it would be the last conductor to become disconnected
should the mains (line) cord be pulled out of the connector.
The earth connector pin on the main board connector is the same length as the Line and Neutral pins;
local codes of practise should be consulted before making an earth connection to this point.
Figure 2.2.1 Circuit board location and Supply Voltage connection (communication board now obsolete)
12 3
Ch 1(3)
Input
RD203463
Comms V 2.2
Tx-
Tx+
Rx-
Rx+
0V
5V
Communications
Board
C17/18
(C27/28)
Board 1 provides contact inputs C11 to C18.
Board 2 provides contact inputs C21 to C28.
Board 1 provides retransmission outputs 1 and 2
Board 2 provides retransmission outputs 3 and 4
C12C34C56C78 + A - + B -
BA
C15/16
(C25/26)
C13/14
(C23/24)
C11/12
(C21/22)
Board 1 provides input channels 1 and 2.
Board 2 provides input channels 3 and 4
+-
Rly 1(5) Rly 2(6) Rly 3 (7) Rly 4 (8)
NC ComNo
NC ComNoNC Com No NC ComNoNCCom No
Option boards
(max 3 boards)
Option board 1
Input board
(max 2 boards)
Transmitter
Power Supply
+-
12 3
Ch 2(4)
Input
230V
L
L2/N
Super Cap
Transmitter Power
supply connector
L
Main Board
Supply
fuse
Voltage
Selector
L
L2/N
NLNEE
Make Neutral (L2) connection here
Supply and
Case Heater
connectors
Make Line connection here
Make Safety Earth connection here
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Page 13
2.2.2 Supply Voltage selection
The supply voltage selector is located on the main circuit board, near the top wall of the case, as shown in
figure 2.2.1. Ensure that the slider is in such a position that the number displayed (115 or 230) matches
the supply voltage that is to be connected. The supply frequency range for both voltage settings is 48 to
62 Hz.
The ‘115’ position is suitable for supply voltages of between 90 and 132 V ac and must be fused with a
slow blow, 1 Amp, 20 mm fuse link.
The ‘230’ position is suitable for supply voltages of between 180 and 264 V ac and must be fused with a
slow blow, 1/2 Amp (500 mA), 20 mm fuse link.
2.2.3 Signal wiring
The recorder can be connected and configured to operate with a variety of signal sources such as
thermocouples, resistance thermometers (RTDs), dc current, dc voltage etc.
The configuration of the recorder may require the moving of one or more ‘jumpers’ on the input amplifier
board, and / or the use of input conditioning boards to provide shunts or attenuators.
ATTENUATOR EXAMPLE
A voltage of 2 to 10 V dc is to be applied across a channel input. As the maximum input voltage is 5
Volts the 100:1 attenuator must be used, resulting in a recorder input range of 20 mV (2V/100) to 100 mV
(10V/100).
PINOUTS
The locations of the input and option boards are shown in figure 2.2.1.
Signal wiring termination for the input board is shown in figure 2.2.3a. Signal wiring termination for
retransmission outputs, relay outputs and event inputs is shown in figure 2.2.3b.
Notes
1. When wiring RTDs, lead length and diameter must be chosen such that lead lengths are equal
and that each lead exhibits no more than 10 ohms resistance between the recorder and the
RTD.
2. For event input closures, high quality, low resistance contacts must be used which are suitable
for dry (i.e. non-powered) operation.
Caution
The input circuitry is protected against over-voltage up to 24 V dc. Voltages above this can
cause damage to the input board.
Figure 2.2.3a Input board wiring
3-wire resistance
thermometer
RTD
1 +23 -
2-wire resistance
thermometer
RTD
1 +23 -
4-wire resistance
thermometer
RTD
1 +23 -
+-
Attenuator
assembly
-20 to + 50 V dc
1 +2 3 -
Shunt
assembly
+-
DC milliamps
1 +23 -
+-
1 +23 -
-2 to + 5 V dc
Thermocouples
dc millivolts
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
Page 14 HA204392NLG
Issue 8 Dec 15
2.2.3 SIGNAL WIRING (Cont.)
Relay internal wiring
(Relay in alarm)
NC
COM
NO
com
nc
no
Retransmission
outputs
+-+-
Output
A
Negative contacts
common
Output
B
Contact inputs
2 to 30 V
0.8 to -30 V
User 0V
Logic inputs
(active low)
65C87C43C21C
Contact inputs (Typical examples)
All 'C' terminals connected together
Figure 2.2.3b Option wiring
TRANSMITTER POWER SUPPLY WIRING
Transmitters can be powered by an internal 24V nom. power supply, or by an external supply. Typical
wiring for a single channel is given in figure 2.2.3c.
Caution
A transmitter in a current loop must not be shorted. If it is, the transmitter power supply is
essentially connected directly across the input shunt. In such a case the shunt will almost
certainly suffer damage.
Figure 2.2.3c Typical transmitter power supply wiring
2.2.4 Termination details
The screw terminals accept single wires in the range 0.14 to 2.08 mm2 (26 to 14 AWG) inclusive. Screw
terminals should be tightened to a torque not exceeding 0.6Nm (5.31 lb in)
–
+
Transmitter
+
-
Other transmitters
1+
2
Channel input
Only one channel
shown, for clarity.
3-
250 Ohms
Transmitter Power Supply
Shunt
assembly
(Min spec =
1.4W, ±1%)
Recorder case
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
HA204392NLG
Issue 8 Dec 15
Page 15
2.2.5 Wiring installation
In order to ensure maximum recorder performance, proper wiring installation practises must be followed.
Failure to do so can result in a range of problems, from loss of configuration to component failure, caused
by transmitted or radiated electrical noise. Proper consideration must be given to local noise sources
and appropriate suppression steps taken to minimise any potential problems. Among the most common
sources of noise are: Relays, SCRs, valve solenoids, electric motors, power line disturbance, wire-to-wire
coupling, electrostatic discharge (ESD) and radio-frequency interference (RFI).
To achieve the best results, the following notes should be considered:
1. Low level signal wiring such as that associated with thermocouples, RTDs and current loops should
always be kept separate from power and control output wiring.
2. Signal input wiring should be twisted pairs/triplets etc. and the conductors should be stranded rather
than solid in construction. All signal wiring should use ground-shielded wires, or be routed through
grounded conduit. This minimises the effects of RFI and ESD.
3. Special care should be taken when wiring to relay or solenoid coils, as large transients are produced
when coils (or any other inductive devices) are switched. This problem can be eliminated by the use
of suitable suppression devices across the coil. Coil transients can also be transmitted through the
air, so the recorder itself should be mounted as far as possible from power control devices and/or
wiring.
4. When line power is poorly regulated and / or subject to voltage surges or transients, consideration
should be given to the use of a line conditioning/transient suppressing line power regulator. Process
control motors, valves, relays and heaters should not be connected to the same power lines that are
used for instrumentation.
5. The connection of the recorder to a proper safety earth ground is essential. Such a connection not
only reduces the possibility of electric shock, but also provides the required return for the recorder
line power filters,
6. All local electrical codes of practise must be followed when installing any instrumentation.
2.3 CIRCUIT BOARD LOCATION
The input boards and option boards are located
as shown in figure 2.3. There are a number of
different types of option board, as listed below,
any three of which may be used in any of the three
available positions. The card types are as follows:
Two relay board containing either relays 1 and 2 or
relays 5 and 6.
Four relay board containing either relays 1 to 4 or
relays 5 to 8
Combined board - 8 Event inputs and 1
retransmission channel
Combined board - 8 Event inputs and 2
retransmission channels
The serial communications board (now obsolete)
and transmitter power supply option board are
mounted separately, as shown.
Figure 2.3 Circuit board locations
(communications board now obsolete)
Communications
board
Transmitter
power supply
Option boards
2 and 3
Option board 1
Input boards
1 and 2
230V
Main Board
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
Page 16 HA204392NLG
Issue 8 Dec 15
Notes:
1. If the link is set to RTD neither channel can be used for anything other than RTD inputs.
2. If the link is set to CJC, channel 2 (4) may be used for RTD or T/C etc. inputs, but channel 1 (3) can-
not be used for RTD measurements.
2.4.3 TC/RTD
This link must be set for each channel. Channels with this link set to RTD can be used only for RTD inputs.
Channels with this link set to TC, are suitable for all other input types. The setting of the CJC/RT (above)
link must be appropriate to the setting of this TC/RTD link.
2.4.4 Upscale/Downscale drive
These links define the behaviour of the channel in the case of a broken thermocouple input circuit.
Locating the link to ‘Upscale’ means that if the recorder detects an open circuit, the channel will drive to
the full scale position and remain there until the problem is solved. Locating the link to ‘Downscale’ is
similar, but the recorder drives the trace to chart zero instead of full scale.
Note:
If the associated TC/RTD link is set to RTD, the link must be removed. It is recommended that, for
safekeeping, the link be ‘parked’ sideways on the centre pin of the connector.
2.4 INPUT BOARD HARDWARE CONFIGURATION
On each input board, there are eight links to be
checked or set. The screen printing on the board surface
identifies the link positions.
2.4.1 Board number
This is set by three links (JP2, JP3, JP4) near the top end
of the circuit board, Board 1 (channels 1 and 2) is the
lower of the two cards with Board 2 (channels 3 and 4)
(If fitted) set above Board 1 on standoffs.
Each of the three links must be fitted across the centre
and right-hand pin to define this as board 1.
Each of the three links must be fitted across the centre
and left-hand pin to define this as board 2.
2.4.2 CJC/RTD
This link (JP1) must be set to RTD if channel 1 (3) is to be
used for RTD input, or to CJC for any other input type.
This link must be used in a way appropriate to the TC/
RTD links described below.
+-
12 3123
Filter board
Shunt/attenuator
board
Board 1/
Board 2 links
JP2
JP3
JP4
JP1
JP6 JP8 JP7
JP5
CJC
RTD
Up
Down
RTD
T/C
Up
Down
RTD
T/C
JP7/JP8
for Ch2(4)
Ch 1(3)
Input
JP1
for both
channels
Ch 2(4)
Input
JP5/JP6
for Ch1(3)
Link top pins for board 1
Link bottom pins for board 2
Figure 2.4 Input board link locations
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
HA204392NLG
Issue 8 Dec 15
Page 17
2.5 CHART FITTING
1. Open the recorder door as described in section 1.3.
2. Move the pen-lift lever to its top (lift) position. The pens lift off the chart and swing over to the left of
the chart.
3. Rotate the paper-locking tab at the centre of the chart hub upwards. The chart can now be removed
by lifting it off the hub and out from under the hold-down tabs.
4. Without operating the locking tab, fit the new chart over the hub and under the three hold-down tabs.
5. Turn the chart so that the current time, as printed on the chart, is aligned with the Chart Time Index
mark.
6. Rotate the locking tab downwards to fix the chart.
7. Move the pen lift lever to the mid (Run Lifted) position, until the pens have moved to their tracing
positions, then, move the pen lift lever to the lowest (Run) position to resume tracing.
8. Close and latch the door.
Figure 2.5 Pen/Chart replacement items
Pen lift
Pen run lifted
Pen run
Top view
Side view
Pen Lift Control
Hub
Lock Tab
Hub/Lock tab
sideview
1
2
3
4
Pens
Chart retainer
Hub
Locking tab
Platen Locking
Screw
Chart retainer
Chart retainer
Pen lift control
Chart time
index mark
Pen lift
mechanism
CONTINUOUS TRACE CIRCULAR-CHART RECORDER
Page 18 HA204392NLG
Issue 8 Dec 15
2.6 PEN FITTING
Caution
Pens may be changed only whilst parked, as described below. An attempt to change pens
whilst ‘live’, will result in damage to the recorder and may cause injury to the operators
fingers.
Note: It is recommended that the operator wear plastic gloves whist handling pens, in order to
avoid ink contamination of the hands and to protect against any sharp edges.
Note: Channel 1 (blue) is the bottom- most pen. Channel 2 (red) is next, followed by channel 3
(green) and channel 4 (top-most) is black.
1. Open the recorder door as described in section 1.3.
2. Move the pen lift lever as shown in figure 2.5, to the ‘Lift’ position. With recorder power on, and the
recorder initialised, press the right arrow key. Press the Page key repeatedly until ‘Pen Park’ appears
at the display. Use the up or down arrow to change ‘Off’ to ‘On’, then press the enter key. This causes
recording to stop and the pens to fan for easy access.
3. Carefully, whilst supporting the pen arm, pull the exhausted pen off the relevant pen arm. Remove
the replacement pen from its packaging. Remove the tip protector from the pen tip.
4. Carefully, whilst supporting the pen arm slide the new pen onto the pen arm, sliding the pen into the
clip until it stops.
5. When all the pens have been replaced, use the up or down arrow key, followed by ’Enter’ to set Pen
Park to off. The pens swing over to the left edge of the chart.
6. Move the pen lift lever to the mid (Run Lifted) position, until the pens have moved to their tracing
positions, then, move the pen lift lever to the lowest (Run) position to resume tracing.
7. Operate the ‘C’ key to return to the background display, then close and latch the door.
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Eurotherm Chart Recorder Le manuel du propriétaire
- Taper
- Le manuel du propriétaire
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