63xT Series User`s Manual
Contents
1. Leelee eee MOUNTING AND ry UE eee Nd DIMENSIONS CHAN 2 g3 Batiti 888 Unit mounts to T type DIN PWR CHAN2 EXC POWER A hp E p rails 35mm type EN50022 zero ie g i 2 m Tm Model 6327 0500 Shown Units may be mounted side ee by side on 1 inch centers K EXC 55 or ejs S WARNING Safety NS Pin le win v Standards may require that t 4 this device be mounted within an approved metal enclosure a 1 05 I RAILDIN MOUNTING be 3 90 gt or sub system particularly for 26 7 DIN EN 50022 35mm 99 1 435 a NOTE Dimensions Are INCHES MILLIMETERS 110 5 applications with exposure to MODEL 631 632 633T ENCLOSURE DIMENSIONS Merci c or equal or alelelelele eleleoee n 7 vob HB8HUUU N CONTROLS amp Li Acromag 1 saje E 36 35 sm e INDICATORS OUTPUT 2 POWER 88 632T 8 8 Pwr GREEN CHANZ exe ama Green Power LED each s Ea aE 2 channel is ON if power is on E x MB TURNEOTS E INPUT E 77 Sly 5 D C Tes Zero Screw each channel is EXC CH1 LA oureur i power 5 used to calibrate output range GREEN oad weer Monee na zero endpoint ZERO amp SPAN ADJUST E4 Z 5 15 TURN POTS EIS2. 10 Model 10 IG DUE 10 Output e 10 Excitation 10 General Specifications 10 Enclosure and Physical 11 11 Agency 12 Controls amp 12 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com Series 631 632 633T User s Manual Process Current Isolators 3
3. Each input channel each output channel the excitation supply and power are all isolated from each other for safety and increased noise immunity e Built In Excitation Supply Independently isolated dual output 22V 22mA excitation supply can be used to power one or two 2 wire transmitters Excitation outputs are independently current limited e Low Input Burden Less than 1 5V drop for full scale current 631 632T units Less than 3V for 633T signal splitter units e Flexible AC or DC Power Select a 12 36V DC or universal 90 250VAC 125VDC input powered unit DC powered units are diode coupled for use with redundant supplies and or battery back up e Wide 0 to 1000 Ohm Load Range Can drive 20mA into 10000 e Current Limited Output Output is safely limited to 27mA e NoLoad Trimming Required You do not have to recalibrate the output if the load resistance is varied e Plug In Terminal Blocks amp DIN Rail Mount Makes mounting removal and replacement easy e Hardened For Harsh Environments For protection from RFI EMI ESD EFT amp surges Has low radiated emissions per CE requirements e Wide Ambient Operation Reliable over a wide temperature range e Zero amp Span Trim Pots 496 15 turn trim adjustments for maintaining long term zero and span calibration and accuracy Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com Series 631 632 633T Use
4. labeled DC amp DC Observe proper polarity For supply connections use No 14 AWG wires rated for at least 75 C CAUTION Do not exceed 36VDC peak 12 TO 36VDC INPUT POWER IS ISOLATED 36 35 34 33 32 31 UBUEBUU GROUND IMPORTANT Dual channel 632 633T 0500 models If internal excitation is used the minimum supply voltage is raised to 15VDC 0500 units and 100VAC 0100 units WARNING DO NOT CONNECT AC POWER TO A DC POWERED UNIT OR DAMAGE TO THE UNIT WILL OCCUR Refer to your module s label and verify that your model number has a 0100 suffix before connecting unit to AC power IMPORTANT External Fuse DC Units If unit is powered from a supply capable of delivering more than 1A to the unit it is recommended that this current be limited via a high surge tolerant fuse rated for a maximum current of 1A or less see External Fuse Selection at left AC Power 0100 Units Connect 90 250V AC or 125V DC 10 to the power terminals labeled L1 Hot amp L2 Neutral Connect earth ground to the G Ground terminal Observe proper polarity For supply connections use No 14 AWG wires rated for at least 75 C CAUTION Do not exceed 250V AC rms wo 90 250VAC HOT 36 35 34 33 32 31 NEUTRAL S INPUT POWER 2 GROUND IS ISOLATED Ra EAR
5. commitment to update or keep current the information contained in this manual No part of this manual may be copied or reproduced in any form without the prior written consent of Acromag Inc IMPORTANT SAFETY CONSIDERATIONS Process Current Isolators You must consider the possible negative effects of power wiring component sensor or software failure in the design of any type of control or monitoring system This is very important where property loss or human life is involved It is important that you perform satisfactory overall system design and it is agreed between you and Acromag that this is your responsibility GETTING STARTED MOUNTING AND DIMENSIONS 3 CONTROLS amp INDICATORS 3 ISOLATION 3 CONNECTIONS ono oe 4 DIN Rail Mounting And Remowval 4 Current 4 Current Output s eere 5 Signal Splitter 633 5 uil e C E 6 Earth Ground cerris an 7 GALIBRATION 252 7 Calibration Connections 7 TECHNICAL REFERENCE KEY FEATURES etes 8 HOW IT 9 Simplified Schematic 9
6. per output A 15 turn potentiometer for making output span range adjustments to 16mA 4 refer to Calibration Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com
7. which will source 20mA into a load resistance up to 10000 All I O terminations include filters and transient voltage suppression to minimize noise and protect the unit from damage due to transients Refer to the simplified schematic shown below to help gain a better understanding of the circuit lt ISOLATED INPUT POWER DC POWER SHOWN AC IS SIMILAR SS ee 12 36VDC or 90 250VAC P H FLTR V pc pd conv e tu f 24V OUTPUT vB s P e xe POWER ISOLATED ISOLATED CH2 OUTPUT POWER d GND SECONDARIES THIS GROUND IS 24V y EXCITATION R L ISOLATED FROM POWER 18 Y vc OOo FORDC INPUT MODELS FLTR lt L gt VA vc ISOLATED INPUT Spero HD oot Tt pwr 631T CHANNEL SHOWN 632T SIMILARLY ADDS ADIOS MENT SECOND I O CHANNEL 633T UNIT HAS ONE INPUT ANDIS SIMLAR S 63xT SIMPLIFIED ot ISOLATED OUTPUT SCHEMATIC ERES 81 Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 1 Q Series 631 632 633T User s Manual Process Current Isolators SPECIFICATIONS Model Numbers 631T 0x00 Single In Out 632T 0x00 Dual In Dual Out 633T 0x00 One In Dual Out Input Output Excitation Supply General These models are DIN rail mount DC current input isolators for one or two input ch
8. 8 sores Span Screw each channel is E ur 15 used to calibrate output range L N AARAAA HARRRR 4 full scale endpoint PLUG IN TYPE sisisisisis TERMINAL BLOCKS TB1 a a B E CH2 CH Tine PWR ISOLATION BARRIERS E OUTPUT INP DC Units H H eee xxxeeze Dashed Lines denote isolation gt i barriers AC unit is similar UU UUU U U U 46 45 44 43 42 41 36 35 34 33 32 31 except power IS connected at 5 Sja alg 238 different terminals 5 CHAN2 EXC POWER a 2v b Note unit includes a single H B 2 arse isolated EXC supply with two XFMR 24V current limited outputs 5 HERE iSOLATED SECONDARIES T B Exc xem ne The input circuit s output 631 7 2 te ISGLATICIN circuit s excitation and 8 aS DIAGRAM power circuit are isolated from H x nnnnnan each other for safety noise a immunity z SIS SIS SS o TB1 lt EXC 9 INP OUTPUT g E rd Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 4 Series 631 632 633T User s Manual CONNECTIONS DIN Rail Mounting amp Removal Current Input s Input is DC current only 632T inputs are isolated channel to channel 633T input is connected to input 2 at TB4 Two Wire Transmitter Connections With Input Excitation Loop Power Pr
9. Acromag 9 63xT Series AC amp DC Powered 4 Wire Process Current Isolators w Input Excitation 631T 0100 AC Powered Single Current Isolator 631T 0500 DC Powered Single Current Isolator 632T 0100 AC Powered Dual Current Isolator 632T 0500 DC Powered Dual Current Isolator 633T 0100 AC Powered Splitter Single In Dual Out Isolator 633T 0500 DC Powered Splitter Single In Dual Out Isolator USER S MANUAL qw Apper Acromag guum ul CHAN 2 LIN e m lt J seu jot o pan functi 4 Do He T put ct en peut 5 7 to 28 CHAN 4 p J A SPAN LL 09 Lj ZERO 23 E HD P ti uy b 1 ACROMAG INCORPORATED Tel 248 624 1541 30765 South Wixom Road Fax 248 624 9234 P O BOX 437 Wixom MI 48393 7037 U S A Copyright 2004 Acromag Inc Printed in the USA Data and specifications are subject to change without notice 8500 736 B05C007 2 Series 631 632 633T User s Manual TABLE OF CONTENTS Symbols on equipment A Means Refer to User s Manual this manual for additional information The information of this manual may change without notice Acromag makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability and fitness for a particular purpose Further Acromag assumes no responsibility for any errors that may appear in this manual and makes no
10. ENTLY CONNECTED TO GROUND USE CAUTION TO AVOID MAKING ADDITIONAL GROUND CONNECTIONS WHICH COULD GENERATE GROUND LOOPS AND MEASUREMENT ERROR Process Current Isolators 5 Y Connect your output load to the output terminals as shown below Repeat this connection for the second output channel of 632T and 633T units OUTPUT CONNECTIONS FOR LOADS UP SHIELDED TO 1000 OHMS CABLE t Rioap DC mA L 16 15 14 13 12 11 Y 1 11 NOTE DUAL OUTPUTS OF 633T 0x00 ARE FULLY INDEPENDENT AND ISOLATED FROM ONE ANOTHER FOR ANY OUTPUT FAULT CONDITION OPEN OR SHORT ARE NOT AF THE OPPOSITE OUTPUT AND THE INPUT NOTE 633T 0x00 MODELS MAY USE ONE OR BOTH EXCITATION SUPPLY CONNECTIONS TB FECTED g NC OUTPUT 1 OF 2 NC e E o c 3 1 16 15 14 13 12 11 o c A Ci a A i RigapS DC mA 1 SHIELDED CABLE FOR LOADS UP TO 1000 OHMS 633 0 00 Signal Splitter NOTE 1 THIS GROUND CONNECTION IS RECOMMENDED FOR BEST RESULTS IF SENSORS ARE INHERENTLY CONNECTED TO GROUND USE CAUTION TO AVOID MAKING ADDITIONAL GROUND CONNECTIONS WHICH COULD GENERATE GROUND LOOPS AND MEASUREMENT ERROR 4 W A CONNECTIONS Current Input s Four Wire Tran
11. Immunity 4KV direct contact and 8KV air discharge to the enclosure port per EN61000 4 2 Radiated Field Immunity RFI 10V M 80 to 1000MHz AM and 900MHZz keyed carrier per EN61000 4 3 and ENV50204 Electrical Fast Transient Immunity EFT 2KV to power and 1KV to signal I O per EN61000 4 4 IMPORTANT Power input and output I O wiring must be in accordance with Class I Division 2 wiring methods of Article 501 4 b of the National Electrical Code NFPA 70 for installations in the US or as specified in section 18 1J2 of the Canadian Electrical Code for installations within Canada and in accordance with the authority having jurisdiction This equipment is suitable for use in Class Division 2 Groups A B C and D or non hazardous locations only WARNING EXPLOSION HAZARD Substitution of components may impair suitability for Class Division 2 WARNING EXPLOSION HAZARD Do not disconnect equipment unless power has been switched off or the area is known to be non hazardous Safety Approvals CE marked EMC Directive 89 336 EEC UL Listed UL3121 First Edition UL1604 cUL Listed Canada Standard C22 2 No 1010 1 92 Hazardous Locations Class 1 Division 2 Groups A B C D LED Indicators PWR Green One per output channel Constant ON if power is on Controls Zero Adjust One per output A 15 turn potentiometer for making output zero range adjustments to 4mA 4 refer to Calibration Span Adjust One
12. TH GROUND CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize this equipment before servicing Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com Series 631 632 633T User s Manual Process Current Isolators Connect Earth Ground as shown the connection drawings above The plastic module housing does not require earth ground The ground connections noted are recommended for best results If sensors are already grounded use caution and avoid making additional ground connections which could create ground loops Warning To comply with safety and performance standards use shielded cable and connect earth ground as noted Failure to use good wiring and grounding practices may be unsafe and hurt performance Calibration is performed as an iterative process of zero and span adjustment for each output channel The zero and span adjustment potentiometers are accessible from the front panel of the unit Always start by calibrating zero first before span Further allow the module to warm up a few minutes prior to calibration The screwdriver blade used to adjust these pots should not be more than 0 1 inch 2 54mm wide Equipment Required e An accurate input current source adjustable for 4 and 20 mA DC Surce should be accurate to better than 0 05 for best results e Ancurrent or voltage meter accurate to better than 0 05 is r
13. ag com Series 631 632 633T User s Manual Temperature Drift Better than 50ppm C 0 005 C over ambient range Includes the combined effects of zero amp span over temperature Bandwidth 3dB at 50Hz typical with a 5000 load Noise Rejection Normal Mode 6dB 60Hz typical with 5000 load Noise Rejection Common Mode Better than 100dB at 60Hz typical Dimensions 1 05 inches wide 4 68 inches tall 4 35 inches deep Refer to the dimensions drawing at the front of this manual DIN Rail Mount Type EN50022 rail 35mm Connectors Removable plug in type terminal blocks rated for 15A 300V AWG 12 24 stranded or solid copper wire Case Material Self extinguishing NYLON type 6 6 polyamide thermoplastic UL94 V 2 color beige general purpose NEMA Type 1 enclosure Printed Circuit Boards Military grade FR 4 epoxy glass Shipping Weight 1 pound 0 45 Kg packed Operating Temperature 25 C to 75 C 13 F to 167 F Dual channel 632 633T units only If excitation supplies are used maximum temperature is derated to 60 C 140 F Storage Temperature 40 C to 85 C 40 F to 185 F Relative Humidity 5 to 9596 non condensing Isolation Each input each output excitation supply amp power circuit are isolated from each other for common mode voltages up to 250VAC or 354V DC off DC ground on a continuous basis will withstand 1500VAC dielectric strength test for one minute without
14. annels and provide one or two isolated output channels with range trim adjustment Units are DC powered with reverse polarity protection or universal AC powered and include an isolated input excitation supply with dual current limited outputs The inputs outputs excitation and power circuits are isolated from each other The model prefix 63xT denotes the Series 630 I O Transmitter family The T suffix denotes Transmitter The four digit suffix of this model number represents the following options respectively 0 Default 1 or 5 Universal AC 125VDC or 12 36VDC Power respectively 00 Default One or two input channels for DC current applications only Input includes an isolated excitation power supply for powering 2 wire transmitters see Connections Section for details DC Current 4 to 20mA DC IMPORTANT Input current must not exceed 100mA or damage to the unit may occur The input to 633T units is connected at input channel 2 Input Forward Voltage Drop Less than 1 5V 1 1V typical at full scale 631 632T or 3V 2 3V typical at full scale 633T Input Overvoltage Protection Bipolar Transient Voltage Suppressers TVS 5 6V working 7 6V clamp level typical Input Reverse Polarity Protection Diode included Input Response Time For a step input the output reaches 98 of calibrated span in less than 25ms typical with a 5000 load Input Excitation Isolated 22V DC minimum at 22mA current
15. breakdown Complies with test requirements of ANSI ISA 82 01 1988 for voltage rating specified Installation Category Designed to operate in an installation in a Pollution Degree 2 environment with an installation category over voltage category II rating Power Requirements AC or DC Powered Models See tables for current Data provided with full scale output each channel and excitation at 20mA each If excitation supplies are not used you can reduce power consumption up to 3096 AC or 4096 DC DC Powered Units 12 36V DC SELV Safety Extra Low Voltage Observe proper polarity 15VDC 129mA Typ 142mA Max 288mA Typ 317mA Max AC Powered Units 90 250VAC or 125VDC 10 Supply 631T 0100 632 633T 0100 125VDC 16mA Typ 18mA Max 30mA Typ 33mA Max 90VAC 46mA Typ 51mA Max 82mA Typ 90mA Max 115VAC 38mA Typ 42mA Max 68mA Typ 75mA Max 230VAC 23mA Typ 25mA Max 37mA Typ 41mA 250VAC 22mA Typ 24mA Max 36mA Typ 40mA Max Note Dual channel 632 633T models only The minimum supply voltage is raised to 15VDC or 100VAC if excitation supplies are used Process Current Isolators 1 1 General Enclosure amp Physical Environmental CAUTION Risk of Electric Shock More than one disconnect switch may be required to de energize equipment before servicing CAUTION Do not exceed 36VDC peak to avoid damage to the module External Fuse DC Select a high surge tolerant fuse rated for 1A or less to prot
16. ect unit CAUTION Do not exceed 250Vrms to avoid damage to the module External Fuse AC Select a time lag fuse rated for 250VAC and 500mA to protect unit Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http Awww acromag com 1 2 Series 631 632 633T User s Manual Process Current Isolators Environmental These limits represent the minimum requirements of the standard but product has typically been tested to comply with higher standards in some cases Agency Approvals Controls amp Indicators Electromagnetic Interference Immunity EMI Unit has demonstrated a measurement shift less than 0 25 of output span with interference from switching solenoids commutator motors and drill motors Minimum Immunity Per European Norm EN50082 1 Electrostatic Discharge ESD Immunity 4KV direct contact and 8KV air discharge to the enclosure port per EN61000 4 2 Radiated Field Immunity 10V M 80 to 1000MHz AM and 900MHZz keyed carrier per EN61000 4 3 and ENV50204 Electrical Fast Transient Immunity EFT 2KV to power and 1KV to signal I O per EN61000 4 4 Conducted RF Immunity CRFI 10Vrms 150KHz to 80MHZz per EN61000 4 6 Surge Immunity 0 5KV per EN61000 4 5 Emissions Per European Norm EN50081 1 Radiated Frequency Emissions 30 to 1000MHz per EN55022 Class B Electromagnetic Compatibility EMC Minimum Immunity Per European Norm EN50082 1 Electrostatic Discharge ESD
17. ents Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 8 Series 631 632 633T User s Manual Process Current Isolators CALIBRATION Note Zero and span pots are turned clockwise to increase the output signal and counter clockwise to reduce the output signal KEY FEATURES Adjustment Procedure 1 Connect the input signal and output load as required for the channel to be calibrated For dual output 633T units you may calibrate the outputs one at a time without affecting the opposite output 2 Adjust the input signal to precisely 4 000mA DC zero Adjust the output zero pot until the output reads precisely 4 000 0 008mA DC 3 Adjust the input signal to precisely 20 000mA DC full scale Adjust the output span pot until the output reads precisely 20 000 0 008mA DC Repeat steps 2 amp 3 until the readings converge As acheck of calibration adjust the input signal to precisely 12 000mA and verify the output measurement to within 0 05 of span 0 008mA DC If the measurement error is greater than 0 05 of output span then you should repeat steps 2 4 again until acceptable accuracy is obtained 6 Repeat steps 1 5 for the second channel of 632T units or the second output of 633T units ak TECHNICAL REFERENCE e Safety Agency Approvals CE UL amp cUL listed plus Class 1 Division 2 Groups A B C and D approval e Full Three Way Galvanic Isolation
18. equired to monitor the output level e A precision current meter or a precision load resistance and volt meter will be needed to monitor the output current for calibration Your success in recalibrating the output will strongly depend upon the accuracy and precision of your signal source and measurement system EXAMPLE CALIBRATION CONNECTIONS g ADJUSTABLE 4 20mA PRECISION CURRENT SOURCE OR CALIBRATOR 16 15 14 13 12 11 AAP DAP zi y gt E lt 4 20MA i ALTERNATE CALIBRATION CONNECTIONS ADJUSTABLE PRECISION CURRENT SOURCE AAPADAS E Earth Ground CALIBRATION IMPORTANT This module has already been calibrated at the factory and recalibration is not normally required except as necessary to correct for long term component aging or to satisfy your company s maintenance requirements Do not attempt to recalibrate this module unless absolutely required as miscalibration will negatively affect the module s performance TIP Verify that current meter range is properly set to measure DC current for a 0 25mA DC range If no reading is obtained on current meter check that the meter has power or that its fuse is not blown To help prevent ESD damage to the circuit use a grounded screwdriver to make zero and span adjustm
19. limited near 23mA See Excitation Supply specification below DC Current 4 to 20mA DC Output Limiting Output is limited to less than 28mA nominal Output Load 10000 minimum 631T 9500 minimum 632 633T 10400 typical without excitation load Output Ripple Less than 0 1 of maximum output span Output Load Resistance Effect Less than 0 01 of output span effect for a 1000 change in load resistance Output Reverse Voltage Protection Diode included Output Trim Range Zero adjustment to 4mA 4 and span adjustment to 16mA 4 May optionally power one or two 2 wire transmitters that may be driving the isolator input s Supply is fully isolated with two separate current limited outputs at EXC1 amp EXC2 632T 633T These outputs are common to each other and isolated together from the input output and power circuits Voltage 27 22V range each 22VDC at 22mA typical Current Current is limited near 23mA each Note that EXC voltage will fold back if load attempts to draw current beyond limit current Ripple 100mVp p typical Reference Test Conditions O 4 to 20mA Load 5000 Ambient 25 Power 24VDC 115VAC Accuracy Accuracy is better than 0 05 of output span typical This includes the effects of repeatability hysteresis terminal point linearity and adjustment resolution but does not include sensor error Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acrom
20. ocess Current Isolators When attaching the module to the T type DIN rail angle the top of the PUSH unit towards the rail and locate the MODULE REMOVAL USE YOUR FINGER TO APPLY top groove of the adapter over the FROM DIN RAIL DOWNWARD PRESSURE HERE AS YOU LIFT AND TILT MODULE upper lip of the rail Firmly push the goele allele over FROM RAIL unit towards the rail until it snaps into UEM NEM ee place To remove first separate the ae ulmi og I O terminal block s from the bottom 88 5 ii 88 side of the module to create a TS b clearance to the DIN mounting area Next while holding the module in Any 63xT Module ee place from above insert a screwdriver into the lower arm of the EX HAT DIN rail connector and use it as aie Eje SES lever to force the connector down ee until the unit disengages from the rail do not twist the screwdriver to avoid damaging plastic Remove Terminal Blocks On This Side To Provide Clearance PRY WITH SCREWDRIVER INSERTED IN SLOT HERE DO NOT TWIST TO AVOID DAMAGING PLASTIC TAB PUSH SCREWDRIVER AS SHOWN TO TILT AND LIFT MODULE OFF RAIL v Connect your DC current input signal to the input terminals as shown below according to your input source Repeat this connection for the second input channel of 632T units at TB4 Use inpu
21. r s Manual Process Current Isolators O These isolators isolate one or two DC current input signals according to the HOW IT WORKS model number and provide isolated DC current output signal s with adjustable zero and span trim DC powered units employ a wide input switching regulator isolated flyback to power each output circuit and the input excitation supply AC powered units employ a unique universal input Switching circuit to power each output circuit and the excitation supply A single isolated excitation supply is shared between both channels but it has separate current limited outputs The input circuit employs a unique current transfer circuit that isolates the signal without generating a large voltage drop Each input is separately isolated An isolated secondary is used to generate an input excitation supply with dual 24V outputs 23mA each suitable for powering one or two 2 wire transmitters Each excitation supply output is current limited to prevent any short at one channel from pulling down the internal power supply or the opposite output Note that if this supply is shared by both inputs of dual input units the resulting circuit is isolated as a group but not channel to channel The isolated current signal is modulated and passed through a high side zero and span adjustment circuit that will add or subtract loop current as required to precisely set the output range A 24V high side voltage is used to drive this circuit
22. smitter Connections Current Output s Signal Splitter 633T SHIELDED CABLE OUT OUT OUTPUT 2 OF 2 IN RTN 24V EXC INPUT CH2 z 41 42 43 44 45 46 eoeooooo TB lt R FOR LOADS UP LOAD 1000 OHMS SHIELDED CABLE NOTE 1 AC POWER Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com 6 Series 631 632 633T User s Manual CONNECTIONS Power Voltage Current Output EXC 20mA each 632 633T 0500 w EXC 12VDC 419mA 15VDC 317mA 24VDC 179mA 36VDC 121mA 6311 0500 w EXC 12VDC 182mA 15VDC 142mA 24VDC 91mA 36VDC 6 mA 632 633T 0100 w EXC 125VDC 33mA 115VAC 75mA rms 230VAC 41mA rms 631T 0100 w EXC 125VDC 18mA 115VAC 42mA rms 230VAC 25mA rms External Fuse Selection Select a time lag or high surge tolerant fuse DC powered units may be fused with a high surge tolerant fuse rated for maximum current of 1A or less see Bel Fuse MJS1 AC powered units may be fused via a 500mA 250VAC rated time lag fuse example Bel Fuse MRT500 3JS500 or equivalent Process Current Isolators v DC Power 0500 Units Connect 12 36V DC to the power terminals
23. t channel 2 at TB4 when connecting to 633T units INPUT CONNECTIONS TO CURRENT SOURCE SHIELDED A d N 2 16 15 14 13 12 11 o 5 z or cHAN1 EXC ooooo0 o0 4 00 2 WIRE INPUT TRANSMITTER CONNECTIONS USING INTERNAL EXCITATION SOURCE POWER Excitation supply outputs are separately current limited to 23mA each The excitation supply output is isolated from the input circuit As such EXC RTN and IN must be jumpered together to complete the circuit as shown at right Do not include the RTN jumper if an external excitation supply is used 2 WIRE XMTR 16 15 14 13 12 11 NOTE 1 TB1 IMPORTANT REMOVE RTN JUMPER IF AN EXTERNAL EXCITATION SUPPLY IS USED NOTE 1 THIS GROUND CONNECTION IS RECOMMENDED FOR BEST RESULTS IF SENSORS ARE INHERENTLY CONNECTED TO GROUND USE CAUTION TO AVOID MAKING ADDITIONAL GROUND CONNECTIONS WHICH COULD GENERATE GROUND LOOPS AND MEASUREMENT ERROR Acromag Inc Tel 248 624 1541 Fax 248 624 9234 Email sales acromag com http www acromag com Series 631 632 633T User s Manual 4 WIRE INPUT TRANSMITTER CONNECTIONS INPUT AC POWER NOTE SHIELDED CABLE S x an S 2 4 D e e 1 TB1 NOTE 1 THIS GROUND CONNECTION IS RECOMMENDED FOR BEST RESULTS IF SENSORS ARE INHER
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