Downloading The Entire Safety Program; Safety Program On Memory Card - Siemens SIMATIC S7 F Manual

Programming
5.4.7

Downloading the Entire Safety Program

Procedure
To download the Safety Program to the PLC, proceed as follows:
1. Switch the CPU to STOP mode.
2. Choose the PLC > Download > Entire Program menu command in CFC.
Note
Before the Safety Program is downloaded, the CPU password is requested if
changes are detected in the fail-safe program section.
Result: If you enter the correct password, the Safety Program is downloaded to the
CPU to which the program container is assigned. If the password is entered
incorrectly, the download operation is not executed.
After the program has been downloaded to the CPU, you have to compare the
overall signature of the program in the CPU with the overall signature in the
accepted printout (see "Checking the Overall Signatures" in the section entitled
"Initial Acceptance of a Safety Program"). In the case of S7 FH systems, you have
to make this comparison for both CPUs.
Working With Programs on a Memory Card
If you use the Safety Program on a memory card, remember the following:
Safety Note – Safety Program on Memory Card
!
5-48
•
Before you switch the S7 F System to RUN mode, compare the
overall signature of the program on the flash EPROM memory
card with the overall signature of the reference data. If necessary,
identify the memory card with the overall signature.
•
In the case of a fault-tolerant S7 FH System, make sure that the
memory cards of the redundant CPUs are of the same type - RAM
or flash EPROM – and that the same Safety Program is on the
redundant flash EPROM memory cards.
•
Ensure there is access protection regulating the removal and
insertion of memory cards.
Fail-Safe Systems
A5E00085588-03