ICS TRIPLEX T8312-4 TMR Expander Interface Adapter Unit
- Product Code: T8312-4
- Availability: In Stock
ICS TRIPLEX T8312-4
Manufacturer: ICS TRIPLEX (Rockwell Automation)
Part No: T8312-4
Type: TMR Expander Interface Adapter Unit
Status: Interface module for safety system expansion
1. General Description
The ICS TRIPLEX T8312-4 is a Trusted TMR Expander Interface Adapter Unit designed to interconnect a controller chassis with up to four expander chassis in safety-critical systems. It adopts Triple Modular Redundancy (TMR) architecture, providing three independent signal paths per channel for high fault tolerance and ensuring continuous operation even with single-point failures. Fully shielded for EMC, it delivers reliable performance in harsh industrial environments.
2. Key Specifications
• Architecture: Triple Modular Redundancy (TMR), SIL 3/SIL 4 compliant
• Connection: 4×12-pin ODU connectors (expanders); 96-way C-type connector (controller)
• Capacity: Connects 1 controller chassis to max 4 expander chassis
• Power: 24VDC, 6W typical; Operating Temp: -40°C to +70°C
• Communication: Modbus TCP/IP, Modbus RTU (RS‑485)
• Features: EMC-shielded, locking connectors, hot‑swap capable
• Dimensions: 179×101×89mm; Weight: ~0.6kg
3. Part Number Definition
• ICS TRIPLEX: Brand for safety‑critical TMR control systems
• T8312: TMR expander interface adapter series
• 4: Supports up to 4 expander chassis
4. Typical Applications
• Safety Instrumented Systems (SIS) & Emergency Shutdown (ESD)
• Oil, gas & petrochemical plant safety control
• Power generation (thermal/nuclear) safety systems
• Expanding I/O capacity in high‑availability control systems
ICS TRIPLEX © T8312-4 TMR Expander Interface Adapter