Product Discription
Each TMR Digital Input (DI) module
has three isolated input channels which
independently process all data input to
the module. A microprocessor on each
channel scans each input point,
compiles data, and transmits it to the
Main Processors upon demand. Then
input data is voted at the Main Processors just prior to processing to ensure
the highest integrity. All critical signal
paths are 100 percent triplicated for
guaranteed safety and maximum availability. Each channel conditions signals
independently and provides optical
isolation between the field and the
Tricon.
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