Overview
Manuals
Principle
Primary Applications
Features:
- I/O Companion Slot Cable
- Triple Modular Redundant (TMR), fault tolerant (3-2-0) operation
- Hardware Implemented Fault Tolerant (HIFT) architecture
The Trusted TMR processor is a fault-tolerant design based on a Triple Module Redundancy (TMR) architecture, operating in a synchronous configuration. Figure 1 illustrates the basic structure of the Trusted TMR processor module in a simplified manner.
The module comprises three Processor Fault Isolation Regions (FCRs). Each FCR contains an NXP PowerQUICC® II™ series processor and its associated memory (EPROM, DRAM, Flash ROM, and Flash RAM), memory-mapped I/O, a voter, and glue logic. Each processor FCR employs a 2/3 (2oo3) read permission voting mechanism to vote on the memory systems of the other two processor FCRs to eliminate operational discrepancies.
The TC-205-02-4M5 ICS triplex I/O Companion Slot Cable may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
ICS Triplex TC-205-02-4M5 I/O Companion Slot Cable maunal(Datasheets), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The three processors in this module are responsible for storing and executing applications, scanning and updating I/O modules, and detecting system faults. Each processor executes applications independently but operates synchronously with the other two processors. Each processor has an interface that includes an input voter, discrepancy detection logic.
TMR Output Connection: Its primary function is to bridge 40 channels of output signals from trusted TMR output modules (such as the T8451 24Vdc digital output or the T8480 analog output) to field junction boxes.
Safety Instrumented Systems (SIS): This cable is a critical component in safety loops where hardware redundancy is essential, including:
Emergency Stop (ESD) systems for controlling emergency stop valves.
Fire and Gas (F&G) protection for driving alarms and suppressor triggers.
Burner Management System (BMS) for critical valve and ignition control.
Matching Slot Integration: Designed for "Matching Slot" architectures, it allows for in-line maintenance and fixed in-line replacement of I/O modules without interrupting field signals.
Rack Thermal Management: It also interconnects rack fans to ensure a stable power supply for system cooling, which is crucial for maintaining temperature balance in high-density safety racks.
