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6
6-32 Genius Modular Redundancy Flexible Triple Modular Redundant (TMR) System
User’s Manual – March 1995
GFK-0787B
Default State: Choose a default state: OFF (0), ON (1), or hold last state.
For a triplex group, this state will be provided to the application program
if communications from all three blocks in the group are lost (if Voting
Adaptation is 3–2–1–0). Alternatively, if Voting Adaptation is set to
3–2–0, this state is provided to the application program if
communications from two blocks in the group are lost.
For a duplex group, this state will be provided to the application program
if communications from both blocks in the group are lost.
For a simplex group, this state will be provided to the application program
if communications from the single block are lost.
Hot Standby: Select whether unused circuits to be used as outputs will
operate in Hot Standby mode (see chapter 3 for a description of Hot
Standby operation).
Bus Connects: a triplex group connects to all three busses, so no entry is
needed for Bus Connects. For a duplex or simplex group, specify the bus
connections as explained below.
For a duplex group, configure the two busses the group is connected to: A
(from the PLC using serial bus address 31) and B (from the PLC using
serial bus address 30), or B and C (the PLC using serial bus address 29)
or A and C.
For a simplex group, configure the bus the group is connected to: A (from
the PLC using serial bus address 31), B (from the PLC using serial bus
address 30), or C (from the PLC using serial bus address 29).