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Technical specifications for T3420A
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Manufacturer:ICS Triplex
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Product Category:PLC Systems
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Spare Part Number:T3420A
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Estimated shipping dimensions:3.1x26.4x35.5cm
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Weight:1.4 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Safetybus power:1.85 load units
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Input configuration:8 differential or 16 single-ended
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Inputs per group:4 differential or 8 single-ended
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Resolution:12 bit
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Differential scan time:1.8 ms
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Single-ended scan time:3.6 ms
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Voltage ranges:0 to 10 V; -10 to 10 V; 1 to 5 V; 0 to 5 V; -5 to 5 V
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Current ranges:0 to 20 mA; -40 to 40 mA; 4 to 20 mA; -20 to 20 mA
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Current shunt:External 250 ohm resistor
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Field-loop power:Not supplied by module
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Isolation:2500 V minimum
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Line-frequency rejection:60 Hz
Information
Overview
Manuals
Common Applications
Product Precautions
T3420A provides selectable analog acquisition for Regent installations that require either differential or single-ended field channels. Its jumper-defined input topology and range must match the engineered loop design.
- Supports selectable differential and single-ended measurement topologies
- Accepts multiple voltage and current-loop range configurations
- Performs channel conversion for the Regent Safetybus application
- Supports controlled field calibration and redundant input architectures
Install the module in the documented Regent I/O chassis position, use the matching analog input termination block, and maintain the field reference and shielding arrangement shown in the official wiring diagrams. Commission by confirming channel scaling, range selection, open-wire behavior and calibration results.
Important Notice: Confirm the T3420A article marking, Regent chassis assignment, hardware jumper pattern, termination block, external current shunts, field-loop power, shield grounding, application scaling and calibration record before commissioning.
Apter Power T3420A Manuals and Guides
- Apter Power T3420A Technical Data and System Reference PDF
- Apter Power T3420A Installation, Wiring and Acceptance Workbook PDF
The first document is the model-specific technical and system reference. The second is a distinct field workbook for installation, wiring, commissioning and acceptance records.
Process transmitter acquisition
Receives engineered process measurements from voltage or current-loop transmitters in a Regent safety system.
Differential sensor measurement
Provides paired input measurement where the project uses differential field signaling.
Multi-channel single-ended monitoring
Concentrates a larger set of referenced analog points in one configured module.
Redundant analog input service
Supports matched module and sensor arrangements used for fault-tolerant analog acquisition.
Read the applicable ICS Triplex installation instructions before work. Verify T3420A, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
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Confirm the complete T3420A marking and the assigned Regent chassis slot.
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Isolate field-loop power before removing the analog termination wiring.
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Record every mode and range jumper position before replacement.
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Verify external 250 ohm shunts for channels configured as current inputs.
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Maintain the documented analog reference, shield and grounding scheme.
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Use the approved extender and calibrated source for adjustment work.
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Reload or verify the application scaling for every affected channel.
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Complete zero, span, out-of-range and diagnostic checks before release.
Technical notes
Set the T3420A mode and range jumpers before installation, then verify the matching termination-block wiring and external 250 ohm current shunts where current inputs are used. Calibrate the installed channel set with the approved extender and test equipment before returning the loop to service.
FAQ View All FAQ
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What is the exact system role of T3420A?It is the Regent analog input module that digitizes configured field voltage or current signals for the Safetybus application.
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Which host, rack or carrier is required for T3420A?Use the assigned Regent I/O chassis position and the documented analog input termination block for the configured channel group.
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What wiring or connector checks apply to T3420A?Confirm differential or single-ended wiring, field references, shielding and any external 250 ohm shunts before energizing loops.
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How is T3420A configured for service?Its input mode and signal range are selected by hardware jumpers and must agree with application scaling.
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Which diagnostics should be reviewed for T3420A?Review channel values, out-of-range indications, slice or module faults and calibration results.
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What must be preserved when replacing T3420A?Preserve slot assignment, jumper map, termination wiring, field references, shunts and channel scaling.
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How should T3420A be commissioned after installation?Apply controlled field-loop power, verify zero and span, check diagnostics, and document calibration for each affected channel.
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What model-specific limitation must be checked for T3420A?Do not assume a current-input loop is powered by the module; the official manual states field-loop power is external.
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