Testing the User Program and Storing It on the Memory Submodule
S5-95F
ISTACK Output on the PG 710/730/750 and 770 Programmers
Table 14-2 shows a programmer listing of ISTACK control bits. The control bits needed for fault
analysis are emphasized in bold type.
The righthand portion of the table shows the allocation of control bits to system data and absolute
addresses in the PLCs.
Table 14-2.
Control Bits
System
data
word (SD)
Absolute
S5-95F
address
SD 5
5D0AH
SD 6
5D0CH
SD 7
5D0EH
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a
NB
PBSSCH
BSTSCH
SCHTAE
ADRBAU
SPABBR
NAUAS
QUITT
NB
NB
NB
REMAN
NB
NB
NB
NB
STOZUS
STOANZ
NEUSTA
NB
BATPUF
X
NB
BARB
BARBEND
NB
UAFEHL
MAFEHL
EOVH
NB
AF
NB
NB
ASPNEP
ASPNRA
KOPFNI
PROEND
ASPNEEP
PADRFE
ASPLUE
RAMADFE
KEINAS
SYNFEH
NINEU
NB
NB
NB
SUMF
URLAD
CONTROL BITS
Table 14-3 shows the programmer ISTACK listing for the causes of errors. Causes of error required
for S5-95F fault analysis are emphasized in bold type.
Table 14-3.
Interrupt Stack
DEPTH:
01
BEF-REG:
0000
SAC:
25CA
DB-ADR:
0000
BST-STP:
5E03
OB-NO.:
1
DB-NO.:
REL-SAC:
0000
ACCU1:
FFFF
ACCU2:
0000
CONDITION CODE BITS:
CC1
CC0
OVFL
CARRY
OR
ERAB
X
STATUS
RLO
X
CAUSE OF FAULT:
STOPS
X
NB
SUF
TRAF
NNN
STS
STUEB
NAU
QVZ
ZYK
PEU
BAU
ASPFA
INTERRUPT STACK
14-6
EWA 4NEB 812 6210-02