System Startup
S5-115F Manual
no
User memory
types of both
subunits identi-
cal?
no
no
no, test mode
yes
yes
Disable I/O via BASP
STOP program
Delete I/O
yes
OS-EPROM
sign. of both subunits
identical?
large
STOP
loop
Safety mode?
Error
with ”Lesser STOP
loop”
response?
Self-test in slices, without STEP 5 standard processor test,
user EPROM test, RAM comparison, SAC test
yes
Lesser STOP loop
Lesser STOP loop
Lesser STOP loop
Lesser STOP loop
Enable output of both
error DBs
Restart?
no, STOP
no
yes
Compress PLC, if necessary
Generate common operating mode for both subunits
yes
OR (overall reset)?
Overall reset
Restart program
Figure 4-6. STOP Program
4-10
EWA 4NEB 811 6148-02