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3077-manual

1. High limit H 1031 Low limit Page Al 2 Page A2 1 PRODUCT CODES ALARM OPTIONS only one alarm option may be selected C0042 High deviation direct acting C0043 High deviation reverse acting C0044 Low deviation direct acting C0045 Low deviation reverse acting C0046 Band Alarm energised inside band C0047 Band alarm energised outside band C0050 High and low deviation direct acting C0051 High and 1ow deviation reverse acting Page A2 2
2. Connections to the live and neutral terminals should be taken via a double pole switch and a IA fuse should be be rigidly observed Ground terminals must be separately installed in the live line connected and not made common to the neutral Consideration should be given to the prevention of unauthorised personnel Ground 9 gaining access to the power terminations eer Live 0 7 Q2 D0 8 The following inputs and outputs are provided on the rear of Neutral ner di 7 the instrument housing Depending on configuration some of the connections may not be present FIGURE 2 4 POWER SUPPLY CONNECTIONS a Power Line Input b Thermocouple or RTD Input 2 7 2 Input c Limit Relay Output Y m d Alarm Output v Thermocouples Figure 2 5 Thermocouple leads should be connected to terminal 1 positive and terminal 3 negative The correct type of 110 120V thermocouple extension leadwire or compensating cable must or S0 ponz L s S S h be used for the entire distance between the instrument and 220 240V the thermocouple ensuring that the correct polarity is Observed throughout Joints in the cable should be avoided if possible All instruments supplied with a thermocouple input have a cold junction compensation unit connected across terminals l and 2 This unit should never be removed LIMIT RE
3. s 7p ofa High or Low E e Dev Reverse C0051 XIX 4 5 BD 12 X IN P PARKED TABLE 5 1 ALARM OUTPUT LINKS ON OPTIONS BOARD Page 5 2 m Page 5 3 SPECIFICATIO APPENDIX 1 SPECIFICATION FOR LIMIT CONTROLLER TYPE 3077 INPUT Input types Thermocouple and RTD Common Mode Rejection Negligible effect up to 264V 50 60 Hz Series Mode Rejection 10002 of span at 50 60Hz causes negligible effect Thermocouple Calibration Complies with BS4937 NBS125 and IEC584 standards RTD Pt100 Calibration Complies with BS 1904 and DIN 43760 standards OUTPUTS Limit Relay Relay SPDT conpact rating 5A resistive at 120 240V a c Relay life gt 10 operaciona Alarm Optional Relay SPDT contact rating 2A resistive at 120 240V a c Relay life gt 10 operations ENVIRONMENT REFERENCE CONDITIONS Ambient temperature 20 42 C Supply voltage 120 or 240V 1 50 60 Hz 12 Thermocouple source resistance lt 10 Ohms RTD Pt 100 0 1 Ohm per lead both leads equal Relative humidity 60 to 70 OPERATING CONDITIONS Ambient Temperature O to 50 C operating 20 to 60 C storage supply Voltage NN 193 to 264V 50 60 Ha 100 to 132V 50 60 Hz Maximum Source Resistance Thermocouple 100 Ohms RTD Pt100 lt 5 Ohms per lead equal resistance in each lead Page Al 1 SPECIFICATION PERFORMANCE Reference ccuracy Typically 415 of span Temperature Stability lt Q 0152 of span fo
4. SECTION 3 OPERATING INSTRUCTIONS Damage to the instrument may result if the contacts of a switch relay or contactor are connected externally in series with the instrument relay contacts as shown in Figure 2 9 LIMIT EXCEEDED r4 H Line Neutral LED NO DUE EC PUE LIMIT RELAY ARIA cE STATUS Connections Switch or ud t LED guton WEST 3077 to Instrument Timer Contacts oad Terminals 4 FIGURE 2 9 EXTERNAL SWITCH IN SERIES WITH AN EXTERNAL INDUCTIVE LOAD RESET ax S LIMIT ALARM LIMIT CONTROL Under these conditions the external contacts may operate while the instrument relay contacts are closed i e the internal prorection components short circuited and therefore ineffective SKIRT LOCKING CLAMP In applications where it is necessary to instal external switch relay or contactor contacts in series with the instrument relay a snubber network must be installed either across the inductive load or across the unprotected contacts For applications up to 240V the values given in Table 2 2 may be used or a suitable Voltage Dependent _ Resistor LOAD Iz LIMIT RELAY ALARM CURRENT RESET BUTTON CONTROL OPTIONAL 23220 304 23470 304 23470 304 2 23470 304 FIGURE 3 1 FRONT PANEL CONTROLS AND INDICATORS m 3 1 INTRODUCTION NOTE ALL CAPACITORS SHOULD CONFORM TO VDE CLASS X AND BE SUITABLE FOR OPERATION M 260V A C These i
5. Acting of span Status front panel and is labelled RESET 5 15 Limit The limit exceeded indicator is a red LED which C0043 High Deviation 0 to 204 0 20 Exceeded is located at the centre of the upper half of the Reverse Action of span Indicator front upper panel and is labelled LIMIT When lit this LED indicates that the process is outside the preset limit C0044 Low Deviation O to 205 Direct Action of span Alarm The alarm status indicator if fitted is a red NON Status LED which is located at the upper right corner of Indicator the front panel and is labelled ALARM When lit CO045 Low Deviation 0 to 204 0 20 Optional the LED indicates an alarm condition Reverse Action of span 4 4 LIMIT ADJUSTMENT C0046 Band Alarm Rel O to 4204 To adjust the Limit proceed as follows ON inside Band of span 7 5 1 On the large control knob see Figure 4 t release the IX locking screw turn anti clockwise C0047 Band Alarm Rel O to 203 0 ON outside Band of span 2 Rotate the control knob until the white pointer is aligned with the required temperature value on the scale i imat value C0050 High and Low 20 to 20 0 moe d Deviation of span 3 Lock the locking screw to prevent inadvertent movement Direct Acting EU 10 of the Limit ia ME C0051 BHigh and low 20 to 4205 2 20 PV below Limit LIMIT PV above L
6. 5 1 GENERAL Changes described in these instructions are confined to those which can be effected by changing links on the Option board to select Alarm functions 5 2 DISMANTLING THE CONTROLLER 5 2 1 To withdraw the instrument from its housing ENSURE THAT THE MAINS SUPPLY IS DISCONNECTED INCLUDING ANY FEEDS TO RELAY CONTACTS a With a suitable size S r wdriver turn the screw on the front panel near the base anti clockwise to disengage the back connectors from their sockets then continue turning until the screw is free fr m the bush in the housing Withdraw the controller gently from its housing 9 Z 2 To Remove the Option Board 1 Extract the screw securing the Options Board to the pillar on the Main Board See Figure 5 1 2 Grasp the plastic guide which projects rearwards from the bottom of the front panel and holds the Options Board pull it downwards until th bottom of the PCB can be disengaged from the guide and withdrawn backwards Next grasp the plastic guide at the top of the front panel and disengage the top of the PCB The Options PCB can now be detached by pulling it to the rear and unplugging it from the sockets on the front panel FIGURE 5 1 SEPARATING THE OPTIONS PCB Page 5 1 RECONFIGURING RECONFIGURING 5 3 ALARM OUTPUT 5 5 ASSEMBLING TIIE CONTROLLER An Options Board is required to provide an Alarm Output mt To change the operation of the alarm links on
7. LAY T DO NOT RUN THERMOCOUPLE LEADS ADJACENT TO POWER CARRYING CONDUCTORS IF THE WIRING IS RUN IN A CONDUIT USE A SEPARATE CONDUIT FOR THE THERMOCOUPLE 6 N C WIRING IF THE THERMOCOUPLE IS GROUNDED THIS E MUST BE DONE AT ONE POINT ONLY IF THE THERMOCOUPLE 117 COM gt ALARM 3 EXTENSION LEAD IS SHIELDED THE SHIELD MUST BE GROUNDED EE B AT ONE POINT ONLY E S teln og 4 i 1 MC ierascen le Extension Cable Colour Codes last colour in each group refers to the overall sheath T C CABLE BRITISH AMERICAN GERMAN FRENCH MATERIAL FIGURE 2 3 3077 REAR CONNECTIONS Iron Constantan 2 7 1 Power Line Connections The instrument is supplied for operation on 193V 264V Nickel Chromium yellow or 100V 132V 50 60Hz as stated on the label attached to Nickel Aluminium red the side of the instrument Check voltage before applying yellow power EL TABLE 2 1 Page 2 4 Page 2 5 INSTALLATION FIGURE 2 5 THERMOCOUPLE INPUT CONNECTIONS GULTON manufactures and supplies a range of suitable thermocouples and thermocouple extension cables Resistance Temperature Detector RTD connections are made as shown in Figure 2 6 with the compensating lead connected to terminal 3 For 2 wire RTDs terminals 2 and 3 should be linked The extension leuda should be of copper and the resistance of the wires connecting the resistance element should not exceed 5 Ohms per lead t
8. MENT INTO HOUSING Carefully slide the the instrument into the housing previously mounted on the mounting panel make sure that the circuit board s locate against the outside of the card guides moulded in the top and bottom of the housing Push the instrument firmly home so that the rear connections of the circuit boards make a good connection with the rear terminals Turn the retaining screw on the front panel clockwise until the panel is held firmly in position Page 2 2 INSTALLATION 2 6 REMOVAL OF HOUSING FROM MOUNTING PANEL Loosen the clamping screws shown in Figure 2 1 Support the housing with one hand and remove the plastic mounting clamp by disengaging the teeth from the ratchets and sliding the mounting clamp rearwards Inserting stiff card or plastic between the teeth and the ratchets helps Remove the housing From the mounting panel by pulling the housing forwards through the mounting hole oe te d RETAINING SCREW FIGURE 2 2 REMOVAL AND REPLACEMENT OF 3077 WITHIN HOUSING Page 2 3 INSTALLATION INSTALLATION 2 7 CONNECTIONS AND WIRING Figure 2 3 The ground terminal 9 should be connected to a protective ground conductor before any other connections are made and WARNING should remain connected at all times This equipment is designed for installation in an enclosure which provides adequate protection against electric shock Local requirements regarding electrical installation should
9. WEST 3077 TEMPERATURE LIMIT SWITCH INSTALLATION AND OPERATING INSTRUCTIONS Copyright Gulton Limited 1987 IM 0027 A0 NOTE Our policy is one of continued improvement and consequently the information contained in this publication may differ in some respects from the instrument in question Therefore this document does not constitute an offer or part of an offer for sale CAUTION REFER TO MANUAL THE INTERNATIONAL HAZARD SYMBOL IS INSCRIBED ADJACENT TO THE REAR CONNECTION TERMINALS IT IS IMPORTANT TO READ THE MANUAL BEFORE INSTALLING OR COMMISSIONING THE UNIT 1 1 1 2 2 1 a 93 2 4 2 5 2 6 2 1 2 8 Sud 3 2 3 3 3 4 4 4 2 4 3 4 4 4 5 CONTENTS CONTENTS SECTION 1 INTRODUCTION Controls Indicators SECTION 2 INSTALLATION Unpacking the 3077 Mounting Attaching Housing to Mounting Panel Kenovat of Instrument from Housing Inserting Instrument into Housing Removal of Housing from Mounting Panel Conn ctions and Wiring Inductive loads External Contactors and Mains Operated Relays as Loads SECTION 3 OPERATING INSTRUCTIONS Introduction Controls Indicators Operating the Instrument SECTION 4 SETTING UP PROCEDURES Introduction Controls Indicators Limit Adjustment Alarms Page C I CONTENTS SECTION 5 RECONFIGURING THE ALARM 5 1 General 5 2 Dismantling the Controller 5 3 Alarm Output 5 4 Assembling the Controlle
10. corner of the Status front panel and is labelled RESET When it is Indicator lit it indicates that the Limit relay is de energised Limit The limit exceeded indicator is a red LED which Exceeded is located at the centre of the upper half of the Indicator front upper panel and is labelled LIMIT When l lit this LED indicates that the limit is being exceeded by the process Alarm The alarm status indicator if fitted is a red Status LED which is located at the upper right corner of Indicator the front panel and is labelled ALARM When lit Optional the LED indicates au alarm condition 3 4 OPERATING THE INSTRUMENT On switch on the RESET LED will be lit and the Limit Relay will be de energised Press the RESET button to energise the Limit Relay RESET LED goes out and set the instrument to the normal operating state 2 If the process goes outside the Limit value the LIMIT LED lights the Limit Relay is de energised and the RESET LED lights Once the process has returned to within the limit the LIMIT LED will be extinguished and the Limit i can then be reset by pushing the RESET button Page 3 2 4 1 RESET J PUSHBUTTON 4 2 SETTING UP PROCEDURES SECTION 4 SETTING UP PROCEDURES INTRODUCTION This section details che procedures necessary to get up the instrument prior to normal operation and consists of Limit adjustment Also included are details of procedures for SEM the alarm level if t
11. he leads should be of equal length FIGURE 2 6 3 WIRE RESISTANCE THERMOMETER INPUT CONNECTIONS 2 7 3 Limit Relay Output The limit relay has contacts connected to the rea terminals as shown in Figure 2 7 The contacts of the relay are rated at 5A 240V a c with a resistive Load Page 2 6 INSTALLATION Closed for relay de energised Common Open for relay de energised FIGURE 2 7 LIMIT RELAY CONNECTIONS 2 7 4 Alarm Output optional Product Codes C0042 to C0051 Closed for relay de energised Common Open for relay de energised FIGURE 2 8 ALARM CONNECTIONS The above connections apply to all alarm configurations The contacts of the alarm Enter are rated at 2A 240V with a resistive load 3 2 8 INDUCTIVE LOADS EXTERNAL CONTACTORS AND MAINS OPERATED RELAYS AS LOADS WARNING Removal of the instrument s internal snubber components could give rise to a serious hazard Gulton Limited and Gulton Industries Inc do not accept responsibility for any damage which may arise as a result of the unauthorised removal of these components A snubber circuit consisting of voltage dependent resistors VDRs is fitted internally across the output relay contacts to provide adequate protection for inductive loads up to the maximum rating without fitting external components Page 2 7 INSTALLATION a OPERATING INSTRUCTIONS 2 8 1 External Switch in Series with an Exterual Inductive Load
12. his facility is fitted LIMIT EXCEEDED LED glon WEST 3077 ALARM STATUS LED LIMIT RELAY OPTIONAL STATUS LED m ALARM EUN LIMIT CONTROL tly AS UN SKIRT LOCKING CLAMP LIMIT RELAY CONTROL OPTIONAL FIGURE 4 1 FRONT PANEL CONTROLS AND INDICATORS CONTROLS Figure 4 1 Limit The Limit is adjusted by rotating the large Control control knob until the white pointer is aligned with the required temperature value on the scale To prevent inadvertent movements of the Limit the scale can be locked by means of a locking screw which clamps the skirt Limit The limit relay reset pushbutton is located at the Relay lower left corner of the front panel and is RESET labelled RESET Provided the process is within Button limit pushing this button energises the Limit Relay Page 4 1 SETTING UP PROCEDURES SETTING UP PROCEDURES TE E 4 5 ALARMS Optional ALARM This control if fitted is located at the lower Setting right corner of the front panel and is labelled The following alarm configurations are available Control ALARM Adjusting this control sets the alarm Optional level See Section 4 5 Product Alarm Type Adjustment Control PM Codes Calibrations 4 3 INDICATORS Figure 4 1 amp of Scale Range Limit The limit relay status indicator is a red LED C0042 High Deviation 0 to 202 10 Relay which is located at the upper left corner of the Direct
13. igure 2 1 2 4 269 Insert the rear of the housing or housing with instrument in it through the cut out and hold the instrument lightly against the front panek The instrument is heid in place by t a olestie mounting clamp Slide this onto the instrument and push it forwards until it touches the mounting panel Teeth on the arms projecting to the rear of the clamp engage with ratchets moulded into tlie top and bottom of the case Next gently tighten the screws in the clamp so that the front panel of the instrument is a snug fit on the front of the mounting panel Do not over tighten the screws and distort tie clamp REMOVAL OF INSTRUMENT FROM HOUSING Figure 22 For replacement or servicing the instrument can be easily removed from the housing leaving the housing and back wiring attached to the mounting panel WARNING 1 BEFORE WITHDRAWING THE INSTRUMENT FROM ITS HOUSING MAKE SURE THAT THE MAIN POWER SUPPLY AND ALL LIVE CONNECTIONS INCLUDING FEEDS TO RELAY CONTACTS ARE SWITCHED OFF OR DISCONNECTED With a suitable size screwdriver turn the screw near the base of the front panel anti clockvise Initially this jacks out the instrument and disengages the connector at the rear then the screw disengages itself from the bush in the housing Carefully pu the instrument out from the pusings m INSERTING INSTRU
14. imit Deviation of span Reverse Action Relay ON LIMIT LED OFF High Limit Code H1030 Relay OFF LIMIT LED ON Low Limit Code H1031 Relay OFF E Relay ON LIMIT LED ON LIMIT LED OFF FIGURE 4 2 LIMIT RELAY OPERATION Page 4 3 Page 4 2 SEITING UP PROCEDURES 4 5 1 Alarm Operation The alarm value may be set by using the scale surrounding the Alarm control Calibration in 4 of full scale PV below Limit LIMIT PV above Limit C0043 C0044 cooss LED ON de energised Alarm LED OFF Relay energised C0046 02 to 0 O to 204 LED ON Alarm LED OFF de energised Relay energised C0047 0 to O LO to 204 LED ON Alarm LED OFF energised peru de energised Alm val C0050 0 to 20 ve Dev C0050 ve Dev C005 ve Dev Alm Val 0 to 20 Alarm LED ON Relay energised LED OFF Relay de energised Alarm LED ON Relay de energised LED OFF Relay energised 02 to O LED ON energised Alarm LED OFF Relay de energised Alarm LED ON de energised LED ON energised LED ON energised LED ON energised Alarm LED ON Relay de energised LED ON de energised Alarm LED OFF Relay energised TABLE 4 2 OPERATION OF ALARM Page 4 4 RECONFIGURING SECTION 5 RECONFIGURING THE ALARM
15. nel The housing conforms to 1 8 DIN diamensions and controllers can be conveniently mounted side by side in multiple installations Power consumption is only about 3VA so that minimum ventilation is required Page 1 2 INSTALLATION SECTION 2 INSTALLATION 2 1 UNPACKING THE 3077 The 3077 is supplied with a mounting clamp and two screws included in the transit package Remove the equipment from the transit package and check for damage Notify the carrier immediately in case of any damage or deficiences Check that the Product Code matches your order code and requirements supply voltage input type etc 2 2 MOUNTING The instrument can be mounted on a rigid panel of up to 6mm 25 inches thickness with a cut out 92mm 40 8 Omm 3 62in 40 03 0in high and 45mm 40 6 Omm 1 77in 10 025 Oin wide Units can be mounted side by side in a continuous cut out and in this case the width of the cut out should be n x 48mm 4mm n x 1 89in 0 16in where n is the number of instruments 5 ag 1 f i E I J t t L 4 f 2 i u FIGURE 2 1 ATTACHMENT OF HOUSING TO MOUNTING PANEL Page 2 1 INSTALLATION The instrument is 150mm 5 9in deep measured from the rear face of the front panel The front panel is 96mm 3 8in high and 48mm 1 89in wide when mounted on a panel it projects 6mm 0 ce us 2 3 ATTACHING HOUSING TO MOUNTING PANEL F
16. nstructions assume that the instrument has been set up as detailed in Section 4 Details are given for the controls and ALL RESISTORS WIREWOUND OR ALLEN BRADLEY TYPE HB indicators on the front panel SHOULD HAVE A MINIMUM RATING OF 2 WATTS 3 2 CONTROLS Figure 3 1 TABLE 2 2 VALUES OF PROTECTION NETWORK COMPONENTS PS D Limit The setpoint is adjusted by rotating the large 2 8 2 Mains Operated Solid State Relays Control control knob until the white pointer is aligned with the required temperature value on the The use of mains operated solid state relays driven scale To prevent inadvertent movements of the from the relay output of the instrument is not setpoint the control may be locked by means of recommended the skirt locking clamp Page 2 8 E MEME Page 3 1 OPERATING INSTRUCTIONS Limit The limit reset pushbutton is located at the lower RESET left corner of the front panel and is labelled Pushbutton RESET Provided the Limit Exceeded LED is not lit i e process input within Limit pushing this button sets the limit relay to the normal operating state ALARM This control if fitted is located at the lower Setting right corner of the front panel and is labelled Control ALARM The alarm is preset during setting up Optional and should not be adjusted by the operator 3 3 INDICATORS Figure 3 1 Limit The limit relay status indicator is a red LED Relay which is located at the upper left
17. r APPENDIX 1 SPECIFICATION FOR CONTROLLER TYPE 3077 APPENDIX 2 PRODUCT CODES Page C 2 INTRODUCTION SECTION 1 INTRODUCTION The WEST 3077 is a compact temperature limit switch which operates at a preset high or low limit The instrument can be used with thermocouple or RTD process inputs Its output relay latches in the shut off condition if the process variable goes outside the preset limit or if the power supply fails gion WEST 3077 RESET LIMIT ALARM T X wv 7 WSs i 4 6 QA FIGURE 1 1 FRONT PANEL CONTROLS AND INDICATORS The limit setting is shown on a rotatable scale which can be locked A range of scales is available and each instrument is supplied with a scale appropriate to its input See Appendix 2 for details of ranges 2 n LED located above the limit control indicates when the limit value has been exceeded Two further LEDs indicate the status of the limit relay and the alarm optional i The limit relay can be arranged to operate when either a high of low limit has been exceeded When it operates it remains in the limit exceeded condition and this condition is indicated by the Reset LED Once the process returns to within the limit the relay may be reset by the front panel Reset pushbutton Page 1 1 INTRODUCTION When an instrument is supplied with an alarm the operating point for this can be adjusted by the control in the lower right hand corner of the front pa
18. r 1 C change in ambient temperature Cold junction compensation lt 0 1 C change for 1 C change in ambient temperature Effect of thermocouple resistance 0 172 of span error for resistance Q to 100 Ohms Effect of RTD lead resistance lt 0 1 of span error for 3 Ohm lead resistance APPENDIX 2 PRODUCT CODES Msc c dee cqeesc esca Xu MODEL NUMBER MAIN INPUT LIMIT RELAY OUTPUT PRODUCT CODES Supply voltage influence on accuracy less than 40 12 of ALARM span error for supply voltage within specified limits MODEL NUMBER GENERAL 7 2 p M4 307 Front panel indicators as follows MAINS VOLTAGE Limit Relay Status LED y B m LO 220 240 Nominal 50 60 Hz Limit Exceeded LED L 02 Alarm Status LED optional 110 120V Nominal 50 60 Hz 7 INPUT TYPE AND RANGE Front panel controls as follows 7 Thermocouple Limit control Limit Relay Reset pushbutton T 1415 J 0 205 C larm control optional T 1416 J O 4010F T 1417 J 0 4509C Dimensions 48mm x 96mm x 153mm T 1418 J 0 842 F Weight 0 65 kg i T1419 J O 760 C Power consumption Approx 3VA T 1420 J 0 1400 F T 1719 K O 760 C T 1720 K O 1400 F T 1723 K O 1371 C T 1776 K 0 2500 F 3 wire Resistance Temperature Detector RTD T 2221 0 600 C T2222 0 11129F T 2251 O0 300 C T 2229 0 572 F T 2295 O 100 C T 2296 O 2120F QUTPUTS Limit Relay H 1030
19. the Options 5 5 1 Fitting the Options Board to Front Panel Assembly Board should be fitted in accordance with Table 5 1 Align the board with the guides attached to the front panel making sure that the plugs on the Options Board are aligned with the sockets on the front panel assembly Push the board into the guides until both the teeth on the board click into the holes in the guides LJ3 LJ4 LJ Insert the screw through the Options Board into the pillar LJ2 aH B on the Main Board and tighten Con epee 5 5 2 Fitting the Controller into the Housing Carefully slide the controller into the housing making sure 7 C211 that the circuit board s locate against the outside of the guides moulded in to the top and bottom of the housing Push MEE a the controller firmly home so that the rear connections of LJi2 Lu13 Zu E the circuit boards make a good connection with the rear vd u terminals i LJ6 ME J og T AL Engage the screw near the base of the front panel and tighten it until the controller is firmly in place FIGURE 5 3 POSITION OF LINKS ON OPTIONS BOARD LINK JUMPER NUMBERS 1 2 3 4 5 6 7 9 8 10 11 112 13 ALARM PRODUC TYPE CODE High Dev Direct 6002 X X 4 rice 13 High Dev CHE IHRBDENDERE Low Dev Direct C0044 x x ste s 1 r 13 Low Dev Lr Toms x as fo Lo Relay ON eem v e s e v ofr Relay ON seal om e e re s High or Low mehr mom v x

3077-manual

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