Technical data

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For more details about handling blocks for the individual
PLCs (particularly when the blocks are integrated in the
operating system) refer to the descriptions of the relevant
programmable controllers
4.1.2.1 Hardware Monitoring (Watchdog)
If an error occurs in the module which cannot be corrected by the firmware,
the hardware monitoring (watchdog) responds and resets the module (cold
restart).
PLC CP
SSNR x+1
SSNR x
Link block
ANZW
PAFE
Status
bits
Link to another
station on the
SINEC L2 bus
QTYP
DBNR
QANF
QLAE
SSNR
ANR
SEND
(HDB call in
user program)
DPR
x
y
SSNR x
ANR y
Link
parameters
Job buffer
Fig. 4.5 Assignment: Calls in the User Program -> Parameter Lists on the CP
B8976060/02 Technical Description and Installation of the CP 5430 TF/CP 5431 FMS
4 - 11 Volume 1