Technical data

Input fields:
GP senders: All the stations from which GP bytes are expected must
be marked with "X".
Recommendation
: only enter an X for the stations
from which GP data are expected, otherwise the bus
load is increased.
Update
: Cycle-synchronized:
update at the cycle checkpoint by
the HDB.
Free:
implicit update of the I/O areas by the CP.
Input areas
GP STA: Beginning of the (continuous) input area for the GP.
(Range of values PY 0 .. 254, OY 0 .. 254)
GP END: End of the (continuous) input area for the GP.
(Range of values PY 1 .. 255, OY 1 .. 255)
Output areas
GP STA: Beginning of the (continuous) output area for the GP.
(Range of values PY 0 .. 254, OY 0 .. 254)
GP END: End of the (continuous) output area for the GP.
(Range of values PY 1 .. 255, OY 1 .. 255)
Output fields
:
L2 station
address:
The address of the currently addressed station is
displayed.
B8976060/02 Communication with Global I/Os
9 - 29 Volume 1