ICS Triplex T7122 T100 Series Processor Module

Product Description
T7122 is ICS Triplex T100 safety system processor module, 24VDC powered with 512K bytes memory, compatible with T7102 controller chassis. It is a legacy triple modular redundancy (TMR) CPU for safety instrumented systems, responsible for safety logic execution, IMB backplane communication and system fault voting. It is an obsolete safety PLC spare part, widely used for petrochemical, power plant old safety system maintenance replacement.

Key Features

• 512K memory capacity, operating voltage 20~30VDC, max load 100VA, power dissipation 46W
• TMR triple redundant architecture, 2-out-of-3 fault voting, single fault tolerant
• Designed to work with T7102 chassis, connects to T100 series I/O modules via IMB backplane bus
• Comprehensive on-board diagnostics, fault detection and alarm reporting for safety loop
• Supports safety logic programming, data acquisition and safety trip control
• Hot swap capability for non-stop maintenance under qualified operating condition
• End of original production; only refurbished and surplus spare parts available in market

Application Scenarios

• Oil & gas, refinery SIS safety instrumented systems
• Power plant boiler, turbine emergency shutdown (ESD) protection
• Chemical plant reactor safety interlock and fire & gas protection system
• Legacy T100 system spare replacement, safety system retrofit projects

FAQ

Q: What chassis matches T7122?
A: T7102 controller chassis is the matched rack for T7122 processor.

Q: What safety level does T7122 support?
A: It belongs to old T100 platform, designed for SIL2/SIL3 safety interlock application according to original design.

Q: Is T7122 still manufactured new?
A: No, ICS Triplex (Rockwell) has discontinued T100 series, only used / refurbished spare modules available.