4351B Triconex 800 Series Datasheet & Technical Manual

4351B 800 Series Triconex Tricon Communication Module

4351B 800 Series Triconex Tricon Communication Module

Availability: 10 left in stock

Triconex 4351B Tricon Communication Module Configured for industrial network integration and serial data transmission in Tricon 3000 Series SIS platforms,...

SKU: 4351B

Manufacturer: Triconex
Product No.: 4351B
Product Type: Communication Modules
Product Origin: USA
Payment:T/T, Western Union
Weight: 1500g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Triconex 4351B Tricon Communication Module

Configured for industrial network integration and serial data transmission in Tricon 3000 Series SIS platforms, the Triconex 4351B (4351B Communication Module) provides direct physical/electrical execution. The module manages data exchange interfaces between the internal controller architecture and external networks, routing concurrent traffic across discrete communication pipelines.

Hardware Specifications

Parameter	Specification
Model	4351B
Brand	Triconex (Schneider Electric)
Origin	China
Weight	1.5 - 2.0 kg (Alternative specification: 3.18 kg, Shipping weight: 4.5 kg)
Dimensions	177.8 mm x 101.6 mm x 228.6 mm
Operating Temp	-20 to +60 deg C
Power Consumption	~10 W typical
Serial Ports	4 ports (RS-232/RS-485, up to 115.2 Kbps per port)
Network Ports	2 ports (Dual 10/100 Mbps copper/fiber Ethernet)
Port Isolation	500 VDC galvanic isolation
Protocols Supported	TriStation, Modbus TCP/IP, Modbus RTU/ASCII, TCP/IP, ICMP, SNTP, TSAA, Peer-to-Peer
Controller Platform	800 Series / Tricon 3000 Series SIS racks
Operating Voltage	24 VDC via backplane
Diagnostics	LED indicators (PASS, FAIL, ACTIVE, LINK, TX, RX)

Triple Modular Redundancy and Safety Integrity

The module interface utilizes a triple modular redundancy (TMR) 2oo3 architecture to secure continuous fail-safe state execution across all attached data buses. The internal processing paths isolate field-side electrical noise using 500 VDC galvanic isolation barriers implemented on each communication interface. Internal hardware logic continuously executes automated background testing routines alongside dedicated LED diagnostic arrays. If a hardware fault occurs on a specific communication channel, the parallel redundant circuits isolate the anomaly to sustain deterministic data exchange without safety path degradation under IEC 61508 SIL3 certification rules.

Frequently Asked Questions

Q: What are the online hot-swap procedural constraints for this communication module?

A: The module accommodates online hot-swap procedures inside the designated communication slot of the rack. Field technicians can extract and replace the module without shutting down the primary safety controller or breaking the active runtime loop execution of the remaining active modules.

Q: How must the firmware compatibility be managed during module installation?

A: The embedded firmware of the communication module must match the specific version executed by the main Tricon controller processors. Mismatched firmware builds prevent initialization and block configuration deployment from the TriStation software utility.

Field Installation Guidelines

Install the module vertically within the designated communication slot of the Tricon 3000 Series SIS chassis. Verify that the rear connectors line up with the backplane pin matrix before applying locking force. Connect all network and serial cables to their respective isolated ports, verifying that the bending radius conforms to standard network guidelines. Ground the cable shields at the termination block to mitigate external electromagnetic interference (EMI). Maintain physical separation between data signaling lines and high-voltage AC power loops inside the enclosure to eliminate induction errors.

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