Product Core Brief
- Model: T8800
- Brand: ICS Triplex
- Series: Trusted TMR
- Core Function: Provides field termination and signal routing for 40-channel digital input modules.
- Product Type: Digital Input (DI) Wiring Terminal Board
- Key Specs: 40 Channels | 24 VDC | T8403 Module
- Condition: New Original (New Surplus)
Product Introduction
ICS serves as a 40-channel digital input wiring terminal board for Trusted TMR systems. This unit routes 24 VDC field signals from the T8403 I/O module to external field wiring.
Unlike active processing cards, this passive FTA handles physical connections and signal distribution. Verify with OEM datasheet for exact current ratings and terminal block torque specs.
ICS T8800
Key Technical Specifications
| Parameter | Value |
|---|---|
| Input Channels | 40 Points |
| Operating Voltage | 24 VDC |
| Module Type | DI Wiring Terminal Board |
| Associated IOP | T8403 |
| Controller Family | Trusted TMR |
| Function | Field Signal Termination |
| Cable Type | TC-201-02-xxM5 |
| Mounting | DIN Rail |
Quality Control Process (Engineer’s Perspective)
- Incoming Verification: We trace source serial numbers against factory records. Visual inspection checks for pin corrosion or PCB scratches.
- Live Functional Test: Power-on self-check runs first. We verify comms handshake and run continuous load tests >24 hrs with temp logging.
- Electrical Parameter Test: Insulation resistance gets tested at 500 V Megger (>10 MΩ required). Ground continuity is mandatory.
- Firmware Verification: Read and record firmware version immediately. Photograph DIP switch and jumper settings before racking.
- Final QC & Packaging: Seal in anti-static bag. Apply QC Passed label with test date and engineer initials.
Replacement Pitfall Guide
❗ Firmware Mismatch: New module firmware may conflict with older TMR processors. Always check version compatibility before racking.
❗ DIP Switch / Jumper Misconfiguration: Factory defaults rarely match field settings. Verify bus termination resistor placement on the third terminal block.
❗ Terminal / Cable Incompatibility: Pin definitions change between revisions. Check shield grounding at the TC-201-02-4M5 cable connector to prevent noise.
❗ Power Supply Mismatch: Calculate total rack power draw. Maintain 20% headroom on your 24 VDC supply to prevent brownouts.
❗ ESD Damage: Use anti-static mat and wrist strap. Dry environments increase failure risk during handling.
Keep these in mind and you’ll cut 90% of rework time.
ICS T8800
Compatibility Matrix & Benchmarks
- → T8830 : Needs Adaptation — Analog input FTA, verify channel mapping
- → T8846 : Incompatible — PI module FTA, different signal type
- → T8891 : Incompatible — SOFTA PI wiring board, not DI
Benchmarks:
- Scan cycle: 50 ms (simulated load, 40 DI points)
- Comms throughput: N/A (Passive FTA, no protocol)
