4118
May 18, 2026

4118

TRICONEX 4118 is an Enhanced Intelligent Communication Module (EICM) for the Tricon TMR safety instrumented system (SIS) (not Trident). It provides 2 isolated Ethernet ports for Modbus TCP/IP and TCP/IP communication, enabling high‑speed, secure data exchange between Tricon SIS and DCS, HMI, and external networks in SIL3 safety loops.

Description

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TRICONEX 4118 (EICM)

Tricon 增强型以太网通信模块 (SIL3)

English Specification (No Images)

1. General Description

TRICONEX 4118 is an Enhanced Intelligent Communication Module (EICM) for the Tricon TMR safety instrumented system (SIS) (not Trident). It provides 2 isolated Ethernet ports for Modbus TCP/IP and TCP/IP communication, enabling high‑speed, secure data exchange between Tricon SIS and DCS, HMI, and external networks in SIL3 safety loops.

2. Basic Information

  • Model: 4118 (EICM)

  • Type: Enhanced Intelligent Ethernet Communication Module

  • System Compatibility: Tricon (TMR SIS, v10+)

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

  • Architecture: TMR (2oo3 voting)

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

  • Status: In production & supported

  • Max per chassis: 2 modules

3. Key Features

  • 2 × isolated 10/100 Mbps Ethernet ports (switchable, independent)

  • Modbus TCP/IP master/slave, TCP/IP (UDP/IP)

  • TMR 2oo3 voting on all communication data

  • SIL3 compliance for safety‑critical data exchange

  • Hot‑swappable, online replacement

  • Isolation: 2500V AC (port‑to‑backplane), 1500V AC (port‑to‑port)

  • Diagnostics: link fault, duplicate IP, TMR mismatch, CRC error

  • Wide temp: –40°C to +70°C, industrial EMI immunity

  • Redundant network support (dual Ethernet)

4. Technical Parameters

4.1 Communication Ports

  • Ethernet: 2 ports, 10/100 Mbps, auto‑negotiation

  • Protocol: Modbus TCP/IP (master/slave), TCP/IP, UDP/IP

  • Max nodes: 255 per port

  • Data rate: 100 Mbps full‑duplex

4.2 Safety & Isolation

  • Voting: 2‑out‑of‑3 (2oo3)

  • Fault coverage: ≥99%

  • Isolation: 2500V AC (port–backplane), 1500V AC (port–port)

  • Diagnostics: link, IP conflict, TMR mismatch, CRC

4.3 Electrical

  • Backplane power: 5VDC (logic)

  • Power consumption: ≤15W

  • Data integrity: 32‑bit CRC, TMR data comparison

4.4 Environmental

  • Operating temp: –40°C to +70°C

  • Storage temp: –40°C to +85°C

  • Humidity: 5%–95%, non‑condensing

  • Vibration: 5–200Hz, 2G

4.5 Mechanical

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

  • Weight: ~0.8kg

5. Function

  • SIL3 Ethernet Gateway: Connects Tricon SIS to DCS/HMI via Modbus TCP/IP

  • TMR Data Voting: All TX/RX data 2oo3 voted for fault tolerance

  • Dual‑Port Isolation: Two Ethernet ports isolated for network segmentation

  • Redundant Communication: Supports redundant Modbus TCP networks

  • Fail‑Safe: On fault, communication stops safely; faults logged

6. LED Indicators (Front Panel)

  • PWR (Green): Power OK

  • RUN (Green): TMR normal

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

  • ETH0/ETH1 (Yellow): Ethernet activity (TX/RX)

7. Installation & Configuration

  1. Insert into full‑height Tricon I/O slot

  2. Connect backplane 5VDC power

  3. Wire Ethernet cables to switch/DCS

  4. Configure IP, Modbus master/slave via TriStation 1131

  5. Enable TMR voting & diagnostics

  6. Verify LEDs & communication

8. Typical Applications

  • Tricon SIS ↔ DCS (Modbus TCP) safety data exchange

  • ESD system ↔ HMI/SCADA real‑time status & commands

  • Safety system remote monitoring via TCP/IP

  • Fire & gas system interface with Modbus TCP devices

  • SIL3 loop data logging & historian integration

9. Maintenance

  • Hot swap faulty modules online

  • Inspect cables/connectors annually

  • Test Modbus TCP & TMR voting periodically

  • Review fault/SOE logs for link errors

10. Compatibility

  • Chassis: Tricon full‑height slots

  • Software: TriStation 1131

  • Compatible processors: Tricon Main Processor (MP) modules

  • Not compatible with Trident (use Trident 4107 for serial)


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