ICS Triplex TC-205 Modules - TC-205-02-8M5

Technical Dossier

Product Details And Specifications

ICS Triplex TC-205 Series Technical Notes

The Evolution of TC-205 Architecture

The TC-205 platform was introduced as part of ICS Triplex's second-generation Trusted controller hardware, succeeding the earlier T8000 series chassis designs. The TC-205 chassis introduced a standardized 19-inch rack-mount form factor with a passive backplane bus architecture, enabling hot-swap module replacement without process interruption — a critical requirement for SIL 3 safety instrumented systems (SIS). Early revisions (Rev A/B) supported up to 8 I/O module slots with a dedicated power module bay; later revisions (Rev C onward) extended backplane addressing to support expanded I/O counts and introduced enhanced EMC shielding conforming to EN 61000-4 series standards. The TC-205 chassis communicates with Trusted controller modules via a proprietary high-speed serial backplane bus, which is not compatible with the later T8100 or T8200 series backplane protocols — a key compatibility constraint for system integrators managing mixed-generation Trusted installations. Power cabling within the TC-205 family, including the TC-205-02-8M5 chassis power cable, uses a defined pin-out and cable length specification (8.5 m nominal) to maintain voltage drop within the chassis power budget. Replacement cables must match the original specification precisely to avoid undervoltage faults on redundant power modules.

TC-205 Full Catalog & Functionalities (SKU List)

Chassis & Backplane Infrastructure

• TC-205-02-8M5: Chassis power cable, 8.5 m, for TC-205 rack power distribution
• TC-205-01: TC-205 base chassis, 8-slot passive backplane, 19-inch rack mount
• TC-205-03: Extended chassis, 16-slot backplane for high-density I/O configurations
• TC-205-04: Chassis termination panel, rear-mount, for field wiring interface

Power Supply Modules

• T8431: Trusted TMR power supply module, 24 VDC input, for TC-205 chassis
• T8432: Redundant power supply module, 110/220 VAC input, TC-205 compatible
• T8433: DC/DC converter module, 48 VDC bus, chassis power conditioning

CPU / Controller Modules

• T8110: Trusted TMR main processor module, compatible with TC-205 backplane
• T8110B: Enhanced processor module, increased scan rate, TC-205 Rev C+ chassis
• T8111: Co-processor module for expanded logic capacity in TC-205 systems

Digital Input (DI) Modules

• T8421: 40-channel digital input module, 24 VDC, TMR voting, TC-205 slot
• T8422: 40-channel digital input module, 120 VAC, field-powered, TC-205 compatible
• T8423: High-density DI module, 80-channel, 24 VDC, for TC-205 extended chassis

Digital Output (DO) Modules

• T8441: 40-channel digital output module, relay-isolated, 24 VDC, TC-205 slot
• T8442: 20-channel digital output module, high-current relay, 5 A per channel

Analog Input (AI) Modules

• T8451: 16-channel analog input module, 4–20 mA, HART-enabled, TC-205 slot
• T8452: 8-channel analog input module, ±10 V / 4–20 mA configurable, TMR

Communication & Network Adapters

• T8461: Modbus RTU/TCP communication module, dual-port, TC-205 backplane
• T8462: PROFIBUS DP master/slave adapter, TC-205 compatible, up to 12 Mbps
• T8463: Ethernet TCP/IP gateway module, 10/100 Mbps, for Trusted network integration