







Product Description
Product Overview
Category |
Details |
---|---|
Manufacturer |
Triconex (Schneider Electric) |
Model/Part Number |
4351A |
Description |
Tricon Communications Module (TCM) supporting high-speed serial and Ethernet communications for Triconex safety systems. |
Key Features
-
Four RS-232/RS-485 serial ports with DB-9 connectors
-
Two 10/100BaseT copper Ethernet ports (RJ-45)
-
High-speed communication across redundant and peer-to-peer networks
-
Broad protocol support including Modbus, TCP/IP, SNTP, TSAA, and TriStation
-
Full suite of Modbus function codes for extensive field communication
-
Port isolation ensures secure data transmission
-
Diagnostic and communication indicators for real-time status monitoring
Technical Specifications
Specification |
Details |
---|---|
Model Numbers |
4351A, 4352A, 4353, 4354 |
Serial Ports |
4 RS-232/RS-485 ports (DB-9 connectors) |
Ethernet Ports |
2 RJ-45 (10/100BaseT) on 4351A/43532 MTRJ fiber-optic ports (62.5/125 µm) on 4352A/4354 |
Port Isolation |
500 VDC |
Supported Protocols |
TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA, Trimble GPS, Peer-to-Peer, Time Sync, Jet Direct |
Communication Speeds |
Copper Ethernet: 10/100 MbpsFiber Ethernet: 100 MbpsSerial: up to 115.2 Kbps |
Modbus Function Support
Function Code |
Function Description |
---|---|
01 |
Read Coil Status |
02 |
Read Input Status |
03 |
Read Holding Registers |
04 |
Read Input Registers |
05 |
Modify Coil Status |
06 |
Modify Register Content |
07 |
Read Exception Status |
08 |
Loopback Diagnostic Test |
15 |
Force Multiple Coils |
16 |
Preset Multiple Registers |
Diagnostic Indicators
Indicator |
Description |
---|---|
PASS |
Module passed internal diagnostics |
FAULT |
Fault detected |
ACTIVE |
Module is operational |
FIRM |
Firmware status indicator |
LINK |
One per network port (indicates connection) |
TX (Transmit) |
One per port |
RX (Receive) |
One per port |