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2-10 Genius Modular Redundancy Flexible Triple Modular Redundant (TMR) System
User’s Manual – March 1995
GFK-0787B
Analog Discrepancy Reporting
When the GMR software compares analog input data, it checks each channel against
discrepancy limits provided as a part of the configuration for that input group. Any
channel that varies by more than a configurable percentage from the intermediate value
is reported.
Discrepancy signals are filtered for a configurable time period, to eliminate transient
discrepancies caused by timing differences.
Non-Voted Analog Inputs in GMR Input Groups
If a system includes analog inputs that do not require redundancy, they are usually
located on individual analog blocks. However, they can also be located on channels of
blocks in a GMR analog input group that do not require redundancy. For example, a
group of three 6-channel analog input blocks might use only four voted inputs on each
block. That would leave inputs 5 and 6 available for connection to other sensors not
requiring voting.
Non-GMR Analog Blocks
Individual analog blocks can be used as input blocks or combination input/output blocks.
All of the operating features of these blocks are available.
Individual non-voted analog blocks can be included in the GMR configuration.