TRICONEX 4201

TMR Remote I/O Interface Module

Tricon SIS – SIL3 – Datasheet Specification (English)

1. General

• Model: 4201

• Type: TMR Remote I/O Interface Module

• System: Tricon TMR SIS (v10 / v11)

• Safety Level: SIL3 (IEC 61508 / IEC 61511)

• Architecture: Triple Modular Redundancy (TMR), 2oo3 voting

• Certification: TUV, FM, CSA, ATEX / IECEx

• Hot-swap: Yes

• Form factor: Full‑height Tricon module

• Function: Fiber‑optic remote I/O communication, connects Tricon to remote I/O racks

2. Communication Interfaces

• 2 × Fiber‑optic ports (duplex, multimode)

  • Connector: ST

  • Data rate: 375 kbps

  • Max distance: 12 km (7.5 miles) multimode fiber

  • Isolation: 500 VDC (port‑to‑backplane)

• Protocol: Tricon Remote I/O Protocol (proprietary)

3. I/O Capacity

• Supports up to 8 remote I/O racks per 4201

• Total I/O points: Up to 1000 analog / 2000 digital

• Redundancy: Dual fiber path, fault‑tolerant

4. Safety & Diagnostics

• Voting: 2oo3 TMR on all remote I/O data

• Fault coverage: ≥ 99%

• Diagnostics:

  • Fiber link loss / mismatch

  • CRC error, framing error

  • TMR data mismatch

  • Remote rack power / comms fault

• SOE resolution: ≤ 1 ms

5. Electrical

• Backplane power: 5 VDC, 24 VDC

• Power supply range: 18–30 VDC

• Power consumption: < 30 W

• Data integrity: 32‑bit CRC + TMR cross‑channel comparison

6. Environmental

• Operating temperature: –40°C to +70°C

• Storage temperature: –40°C to +85°C

• Humidity: 5%–95%, non‑condensing

• Vibration: 5–200 Hz, 2 g

• Protection: Conformal coated, IP20 (module)

7. Mechanical

• Dimensions: 178 × 127 × 63 mm (full‑height Tricon)

• Weight: ≈ 0.9 kg

8. Front Panel LEDs

• PWR (Green): Power OK

• RUN (Green): TMR normal operation

• FAULT (Red): Module / link / TMR fault

• LNK1 / LNK2 (Yellow): Fiber link activity / status

9. Compatibility

• Chassis: Tricon full‑height slots (v10/v11)

• Software: TriStation 1131 v4.0+

• Remote racks: Tricon Remote I/O Racks (e.g., 4202, 4203)

• Replacement for: Legacy 4200 remote I/O functions

10. Approvals

• SIL3 (IEC 61508)

• TUV Rheinland, FM, CSA

• ATEX / IECEx (Zone 2)