ABB | MSR04XI | Communications Module

MSR04XI

ABB Bailey  Communications Module

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[Origin]：Sweden

[Status]: Brand New In Stock

[Year of Production]: 2020-2022 available

[Shipment]: From Xiamen, China to Worldwide

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Description: Each of the processors communicates with its neighbours via read only, serial communications links. The processors synchronise at least once per application logic execution cycle, and each reads the input, output and diagnostic status of its neighbours. Each processor correlates and corrects its memory image of the current state of the system using a 2-oo-3 software vote, logging any discrepancies found in a local diagnostic history table. Each processor then executes its programmed application logic and sets its respective outputs, via the I/O communications bus, to the required state. Commanded output states are received by an output module's microcontrollers which, using 2-oo-3 hardware voters, set the outputs to the field. Any discrepancy between a commanded output state and the field output is detected by the microcontrollers and reported to the appropriate processor.

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