Safety
Fail-Safe Systems
A5E00085588-03
7-21
Changes to the addresses or symbolic names of signals can be recognized by the
change to the ADDR_CODE parameter of the relevant F channel driver
(F_CH_xx).
Changes to the network configuration in NetPro can be recognized by the change
to the CRC_IMP parameter of the relevant F communication blocks (F_RCVxx and
F_SENDxx).
You can find rules and information on how to proceed in the case of changes to the
Safety Program in the section entitled "Operation and Maintenance, Modifying the
Safety Program".