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Series 655T/656T
Single/Dual Channel Two-Wire Transmitters
mV/TC Input
USER'S MANUAL
ACROMAG INCORPORATED
30765 South Wixom Road
Wixom, MI 48393-2417 U.S.A.
Tel: (248) 295-0880
Fax: (248) 624-9234
Copyright 2000, Acromag, Inc., Printed in the USA.
Data and specifications are subject to change without notice.
8500619H
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Summary of Contents for Acromag 655T-06003-C
- Page 1 Single/Dual Channel Two-Wire Transmitters mV/TC Input USER’S MANUAL ACROMAG INCORPORATED 30765 South Wixom Road Wixom, MI 48393-2417 U.S.A. Tel: (248) 295-0880 Fax: (248) 624-9234 Copyright 2000, Acromag, Inc., Printed in the USA. Data and specifications are subject to change without notice. 8500619H...
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Page 2: Table Of Contents
-Options/Output/ -Factory The information contained in this manual is subject to change Input/Type Enclosure/Approvals Configuration without notice. Acromag, Inc., makes no warranty of any kind 655T -0600 with regard to this material, including, but not limited to, the 656T -0600 implied warranties of merchantability and fitness for a particular purpose. -
Page 3: Key 656T Features
For repairs to a product damaged in shipment, refer to the facilitate ease of installation and replacement, without having to Acromag Service Policy to obtain return instructions. It is remove wiring. Connectors are an industry standard screw clamp suggested that salvageable shipping cartons and packing type and accept a wide range of wire sizes. -
Page 4: Mounting
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ For sensitive applications with high-speed acquisition rates, Mounting high frequency noise may be suppressed by placing a 0.1uF capacitor directly across the load. Refer to Enclosure Dimensions Drawing 4501-780 for mounting and clearance dimensions. Inductive Loads: If the two-wire current loop includes a highly inductive load (such as an I/P transducer), this may DIN Rail Mounting: This module can be mounted on "T"... -
Page 5: Zero And Span Configuration
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ ZERO AND SPAN CONFIGURATION Table 3A: Input Range/Type Selection - DIP Switch Settings INPUT RANGE S5,6,7 IMPORTANT: You must set your DIP switches according to your J TC application prior to configuring the zero and full-scale input points K TC as described below (see above). -
Page 6: Theory Of Operation
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ Refer to the Table 4 of the following page when using a IMPORTANT: Note that the zero and full-scale adjustments precision millivoltage source to configure the zero and full- take effect immediately and are saved to non-volatile scale input range endpoints (with CJC turned Off). -
Page 7: Service And Repair
Acromag. be returned to Acromag for repair. The board can be damaged unless special SMT repair and service tools are used. Further, Acromag has automated test equipment that thoroughly checks and calibrates the performance of each module. -
Page 8: Specifications
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ TC Input Reference Test Conditions: TC Configured for a 6.0 SPECIFICATIONS 10mV TC span (e.g. Type J at 186C); Ambient Temperature = 25 C; Power Supply = 24V DC, R-load=500. Thermocouple Reference: Accurate to better than 0.4C 655T-0600, Single, 2-Wire, mV/TC Isolated Channel 656T-0600, Dual, Independent 2-Wire, mV/TC Isolated Channels typical at 25C. -
Page 9: Output Specifications
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ OUTPUT SPECIFICATIONS APPROVALS (-xxx0) DC Process Current Output Specifications: Output Range: 4 to 20mA DC, 3.8 to 23.8mA range typical. cULus Listed Output Ripple: Less than 0.1% of output span. Hazardous Locations: Class I ; Division 2; Groups A, B, C, D. Output Limiting: Output current is limited to less than 25mA, typical. -
Page 10: Configuration Controls
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ after 15 seconds of toggle switch inactivity. Please wait IMPORTANT: Power, input, and output (I/O) wiring must be in the requisite time before powering down following accordance with Class I, Division 2 wiring methods Article 501- adjustment or your configuration settings will be lost. -
Page 11: Simplified Schematic (4501-777)
CHANNEL 1 FULL-SCALE TOGGLE NOTE 1 655T-0600 ZERO TOGGLE 656T-0600 656T-E600 CHAN 1 CHANNEL 1 SENSOR VOLTAGE Acromag Refer To User's Manual SOURCE For Transmitter Zero And OUT+ Full-Scale Configuration Instructions OUT- NOTE 1 CH1 DIP SWITCHES TB2 or TB3... -
Page 12: Dip Switch Locations & Settings (4501-779)
Configuration LOCKED T TC Linearization OFF R TC Linearization ON S TC CJC OFF CHAN 1 E TC CJC ON Acromag B TC TC Break DOWN N TC TC Break UP 0-1.0V TC Break ON OPTION SWITCHES FOR CHANNEL 1 0-500mV... -
Page 13: Revision History
Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ Revision History The following table details the revision history for this document: Release Date Version EGR/DOC Description of Revision 3-AUG-2017 CAP/JAA Remove CE Mark due to non-RoHS compliant part. Refer to ECN# 17G016. - 13 -... - Page 14 Series 655T/656T Transmitter User's Manual mV/TC Input ___________________________________________________________________________________________ Notes: - 14 -...
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