ICS Triplex TC20302 Safety PLC – 40-Channel Industrial Cable

Overview

The ICS Triplex TC20302 strengthens safety-critical automation because it integrates a triple-processor architecture that maintains control even when one channel fails. It belongs to the Trusted series from Rockwell Automation, and it supports high-integrity process plants where uninterrupted protection matters. Moreover, it performs continuous internal diagnostics, so it identifies faults quickly and drives the system into a safe operating state when necessary.

Integrated Cable Function

The TC20302 also functions as a 40-channel external input cable that links field signals to Trusted I/O modules and FTAs. It improves signal clarity because it uses low-smoke, halogen-free insulation that withstands extreme industrial conditions. Additionally, the cable supports hot-swappable modules, which helps engineers reduce downtime during maintenance.

Technical Specifications – Controller

Specification	Detail
Model	TC20302
Series	ICS Triplex Trusted PLC System
Manufacturer	Rockwell Automation
Processor Architecture	Triple redundant processors running synchronized logic
Fail-Safe Function	Automatic transition to safe state during critical faults
Diagnostics	Continuous CPU, memory, and bus monitoring
Safety Certifications	IEC 61508 SIL 3, EN 50128 TÜV
Operating Temperature	−40 °C to +70 °C

Technical Specifications – 40-Channel Input Cable

Specification	Detail
Cable Length	6.5 m
Channel Count	40 input channels
Cable Type	Module-to-FTA industrial input cable
Insulation	LSZH (Low Smoke Zero Halogen)
Temperature Range	−40 °C to +70 °C
Durability	High-resistance industrial jacket for long-term use
Module Support	Compatible with Trusted hot-swappable I/O modules

Dimensions and Weight

Length: 6.5 m (cable assembly)
Module Dimensions: 260 mm × 30 mm × 300 mm
Weight: 0.9 kg
Country of Origin: United States

Performance and Reliability

The TC20302 improves plant availability because its triple-processor structure continues executing application logic when one path encounters a fault. It strengthens system diagnostics since the controller monitors each subsystem continuously and logs critical events with high precision. Furthermore, the LSZH cable design enhances installation safety, especially in enclosed industrial spaces.

Application Areas

The TC20302 suits turbine control platforms, emergency shutdown systems, and high-reliability machine protection networks. It also supports chemical and petrochemical safety architectures where certified SIL-rated hardware ensures compliance and long-term operational stability.

Integration Notes

Engineers integrate the TC20302 easily within Trusted chassis because the cable connects directly to companion I/O slots and FTAs. They also streamline maintenance since the cable tolerates hot-swap operations and supports clean routing across cabinet layouts. Additionally, its insulation allows safe use in areas requiring low-emission materials.

Summary

The ICS Triplex TC20302 combines a triple-redundant safety PLC design with a durable 40-channel LSZH input cable, offering a reliable solution for demanding automation environments. It enhances fault tolerance, simplifies wiring, and supports the strict safety standards required across modern industrial facilities.