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System data RS 7
CPU 948 Programming Guide
C79000-G8576-C848-04
Programmable controller STOP mode IDs (ISTACK)
Address: E F007H
Table 8-6
Bits of RS 7 (PLC stop IDs)
Bit no.
Assignment
15
Reserved
14
13
12
Faulty ISTACK level
11
Illegal start-up type (UANL)
10
Interruption in stop loop
9
Illegal call of system block (SYSFHL)
8
Error in start-up block (AFEL)
7
Interruption by system (USYS –warm restart
possible)
6
Interruption by programming error
(UPROG – cold restart)
5
"End of program test" (BEARBE)
4
Stop switch (STOPS)
3
End of operation stop (STS)
2
End of cycle stop (STP)
1
Multiprocessing stop (HALT)
0
PG stop (PGSTP)
Bit Assignment of the System Data Words
High byte
Low byte
8 - 21
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