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Brand Name: ICS TRIPLEX Item no: T8403 Price:$10000 Origin:USA Packaging Details:New and original factory Delivery time: In Stock Payment: T/T
ICS TRIPLEX T8403 Trusted TMR 24 Vdc Digital Input Module 40 Channel Product Details:
| Brand name | ICS TRIPLEX |
| Model | T8403 |
| Product ID | T8403 |
| Condition | NEW |
| Gross weight | 1 kg |
| Packing size | 40*35*5cm |
| Payment Term | T/T |
| Warranty | 1 year |
| Courier Partner | DHL, UPS, TNT, FedEx and EMS |
The Trusted TMR Processor is a fault tolerant design based on a Triple Modular Redundant (TMR) architecture operating in a lock-step configuration.
Figure 1 shows, in simplified terms, the basic structure of the Trusted TMR Processor module.
The module contains three Processor fault containment regions (FCR), each containing a Motorola Power PC series Processor and its associated memory (EPROM, DRAM, Flash ROM,
and NVRAM), memory mapped I/O, voter and glue logic circuits.
Each Processor FCR has voted two-out-of-three (2oo3) read access to the other two Processor’s FCR memory systems to eliminate divergent operation.
The module’s three Processors store and execute the application program, scan and update the I/O modules and detect system faults.
Each Processor executes the application program independently, but in lock-step synchronisation with the other two.
Should one of the Processors diverge, additional mechanisms allow the failed Processor to re-synchronise with the other two.
Each Processor has an interface which consists of an input voter, discrepancy detector logic, memory, and an output driver bus interface to the Inter-Module Bus.
The output of each Processor is connected by the module connector to a different channel of the triplicated Inter-Module Bus.
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