Technical data

Station 3:
(OB 20, OB21, OB 22)
With this HDB call (job number
201), the station list is read in
by the CP 5430 TF/CP 5431 FMS.
The station list contains the
statuses of the CPs of all active
stations on the bus from which
input GP is expected.
HDB SYNCHRON call for the SSNR
of the CP 5430 TF/CP 5431 FMS
yes
GP of
stations
1and 2 ok?
no
end
Synchronization of the interface
PLC-CP 5430 TF/CP 5431 FMS
Evaluation of the station list
i.e. interrogation of the statuses
which should have started up
(here, stations 1 and 2).
HDB RECEIVE call with
ANR 211
HDB RECEIVE call with
ANR 201
Fig. 9.23: Start-up Response of Station 3 (Manufacturing Unit)
B8976060/02 Communication with Global I/Os
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