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Technical specifications for T8451C
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Manufacturer:ICS Triplex
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Product Category:PLC Systems
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Spare Part Number:T8451C
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Estimated shipping dimensions:3.1x30.2x26.5cm
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Weight:1.26 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Backplane supply:20 to 32 Vdc
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Backplane power:27 W
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Field supply:18 to 32 Vdc
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Outputs:40
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Power groups:5 groups of 8
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Field current at 50 deg C:40 A total; 8 A per group
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Field current at 60 deg C:30 A total; 6 A per group
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On-state resistance:1.6 ohm
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Channel current:2 A continuous
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Minimum on-state load:50 mA
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Load capacitance:3000 uF maximum
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Short-circuit protection:Electronic latching
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Operating temperature:0 to 60 deg C
Information
Overview
Manuals
Common Applications
Product Precautions
T8451C controls forty 24 Vdc field loads while the Trusted system compares commanded and measured output behavior. Grouped field supplies support fault containment and maintenance planning.
- Switches forty monitored 24 Vdc output channels
- Separates channels into five field-power groups
- Supports higher-current final elements within documented derating limits
- Provides electronic short-circuit protection and output diagnostics
The module is inserted in a Trusted I/O slot and automatically configured after the validated application is downloaded. Commissioning must cover group power budgets, wiring and grounding, channel mapping, output voltage/current feedback, protection latches and final-element response.
Important Notice: Confirm T8451C identity and revision, T8100/T8300 slot, 24 Vdc termination assembly, five supply groups, ambient derating, channel loads, grounding, Toolset and firmware/application versions, protection reset and complete final-element test before commissioning.
Apter Power T8451C Manuals and Guides
- Apter Power T8451C Technical Data and System Reference PDF
- Apter Power T8451C 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.
24 Vdc shutdown solenoids
Controls protected trip loads in Trusted safety instrumented functions.
Process valve banks
Drives grouped discrete actuators with monitored output state and current.
Alarm and interlock outputs
Executes application commands to field relays and annunciation circuits.
Fault-tolerant digital outputs
Supports matched-module output configurations with controlled online replacement procedures.
Read the applicable ICS Triplex installation instructions before work. Verify T8451C, the installed host system and all configured field interfaces before isolation, wiring or commissioning.
1
Confirm T8451C, hardware revision and Trusted slot assignment.
2
Place final elements in the approved safe maintenance state.
3
Isolate all five field-power groups and the affected system supply.
4
Record channel, group return, shield and protective-earth wiring.
5
Confirm termination hardware, keying and module grouping.
6
Check load-current totals against the cabinet temperature derating.
7
Restore the validated Toolset definition and clear protection latches correctly.
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Command and prove every affected output and diagnostic before release.
Technical notes
Install T8451C in a T8100 or T8300 I/O slot with the matched 24 Vdc digital-output termination hardware and preserve its five field-power groups. Verify ambient-temperature derating, channel current, measured output diagnostics and latching short-circuit recovery before service release.
FAQ View All FAQ
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What is the exact system role of T8451C?It is the 40-channel Trusted TMR 24 Vdc digital output module, not a communication interface.
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Which host, rack or carrier is required for T8451C?Install it in a T8100 or T8300 I/O-module slot with the approved 24 Vdc output termination assembly.
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What wiring or connector checks apply to T8451C?Maintain the five field-power groups, returns, protective earth and channel wiring shown in the project drawings.
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How is T8451C configured for service?The validated Trusted application automatically configures the module; verify Toolset type, slot and channel mapping.
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Which diagnostics should be reviewed for T8451C?Review command and state, measured current and voltage, line faults, group supply, slice discrepancy and short-circuit latches.
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What must be preserved when replacing T8451C?Preserve slot, hardware revision, TA type, group supply assignments, output map and validated application release.
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How should T8451C be commissioned after installation?Power groups under control, prove every final element, then verify diagnostics and approved latch recovery.
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What model-specific limitation must be checked for T8451C?Apply the official total and per-group temperature derating in addition to the 2 A per-channel rating.
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