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Technical specifications for T3481A
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Manufacturer:ICS Triplex
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Product Category:PLC Systems
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Spare Part Number:T3481A
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Estimated shipping dimensions:3.3x26.5x35.5cm
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Weight:1.8 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Safetybus power:1.5 load units
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Output circuits:16
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Circuit groups:2 groups of 8
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Voltage range:18 to 36 Vdc
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Continuous load, 0 to 40 deg C:2 A per circuit
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Continuous load at 60 deg C:1.5 A per circuit
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On-state drop:1.0 V maximum
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Surge current:3.5 A peak
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Inductive surge:7 A for 20 ms
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Front fuse:3 A, 250 V fast-acting 3AB per output
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Isolation:2500 V minimum
Information
Overview
Manuals
Common Applications
Product Precautions
T3481A controls sixteen guarded field outputs and supervises the associated load and fuse conditions for a Regent installation. The two circuit groups must remain aligned with the field supply and application mapping.
- Drives guarded DC output circuits for Regent control applications
- Organizes sixteen outputs into two field groups
- Monitors load and fuse conditions for configured alarms
- Supports fail-safe or fault-tolerant output arrangements
Field loads connect through the chassis terminal blocks and are protected by individual front-panel fuses. Commissioning requires load/fuse fault variables, controlled output commands, supply checks and verification of fail-safe or fault-tolerant module grouping.
Important Notice: Confirm the T3481A article, Regent chassis and terminal blocks, both output groups, field-supply voltage, load and surge ratings, 3 A fuses, grounding, application variables, redundancy mode and controlled final-element test before commissioning.
Apter Power T3481A Manuals and Guides
- Apter Power T3481A Technical Data and System Reference PDF
- Apter Power T3481A 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.
Emergency shutdown solenoids
Commands protected DC final elements with monitored output and fuse paths.
Trip relay actuation
Provides guarded discrete output circuits for protective relay interfaces.
Process valve control
Operates engineered DC valve loads within the documented current and surge limits.
Fault-tolerant output groups
Supports redundant Regent output arrangements where continued operation is required during a module fault.
Read the applicable ICS Triplex installation instructions before work. Verify T3481A, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
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Confirm the T3481A marking and both eight-circuit group assignments.
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Place all connected final elements in the approved safe state.
3
Isolate field supplies before removing terminal or fuse connections.
4
Record terminal, polarity, load and output-variable mapping.
5
Verify every 3 A fast-acting 3AB front fuse.
6
Check load current, surge demand and ambient-temperature derating.
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Enable configured load and fuse fault annunciation before testing.
8
Command and prove every output and fault indication before release.
Technical notes
Install T3481A in the assigned Regent I/O chassis position and land the two eight-circuit output groups on the documented terminal blocks. Confirm each 3 A front fuse, field-supply polarity, load current and configured line-monitoring alarms before enabling outputs.
FAQ View All FAQ
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What is the exact system role of T3481A?It is the 16-circuit monitored guarded DC output module for the Regent control system.
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Which host, rack or carrier is required for T3481A?Install it in the engineered Regent I/O chassis position using the terminal blocks above and below that slot.
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What wiring or connector checks apply to T3481A?Confirm field-supply polarity, two group returns, individual load wiring and every front-panel fuse before energization.
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How is T3481A configured for service?Map output commands plus the documented load/fuse fault variables in the Regent application.
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Which diagnostics should be reviewed for T3481A?Review output state, fuse and load fault indications, module status and any redundancy discrepancy alarms.
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What must be preserved when replacing T3481A?Preserve chassis slot, group wiring, terminal map, fuse ratings, output-variable mapping and redundancy arrangement.
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How should T3481A be commissioned after installation?Energize the field supply under control, command each circuit, verify the final element and prove the fault alarm path.
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What model-specific limitation must be checked for T3481A?Apply the official temperature derating and load surge limits; a nominal voltage match alone is not sufficient.
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