GFK-0825F Chapter 5 Station Configuration 5-13
5
2. Press F4 (entr).
If you selected Duplex, th e following screen appear s:
Duplex Default
OFF
< > tgl entr
In Duplex Redundancy mode, t he Bus Interface Unit may r ecei ve different output states for
given points from the two CPUs. If that happens, the Bus Interface Unit "breaks the tie" by
outputting the Duplex Defa u lt State to those points.
3. If you want to go to the next screen without making a change, press F2 ( > ).
To change the Duplex Default state, press F3 (tgl).
4. Press F4 (entr) to save the new selection.
Note
If the Bus Interface Unit loses communications with BOTH CPUs, individual
outputs go to their configured Hold Last State or Output Default State. (This
selection is part of the individual modules' configurations).