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5
5-24 Genius Modular Redundancy Flexible Triple Modular Redundant (TMR) System
User’s Manual –March 1995
GFK-0787B
Monitoring Manual Output Controls
The operation of manual trip and output override devices can be monitored and reported by
connecting them as inputs to Genius blocks.
These inputs should be configured to use references at the end of the Discrete Input Table
shown as “reserved inputs” below.
Discrete Input Table
Voted Inputs
Available for
Non-voted Inputs
Bus A inputs
Bus B inputs
Bus C inputs
Reserved inputs
Discrete Output Table
Logical Outputs
Available for
Non-voted Outputs
Physical Outputs
Reserved memory
%I0001
%I1024
or
%I12288
%Q1024
or
%Q12288
%Q0001
There is a one-to-one correspondence between Reserved Inputs and physical outputs.
The GMR software in each PLC automatically monitors the Reserved Inputs. On detection of
either manual control, it disables the appropriate Genius diagnostics and the output autotest
for the corresponding output circuit(s).
The application program must not command pulse testing on GMR outputs.