Siemens SIMATIC FM 453 Manual page 198

Man-Machine Interface
Table 8-3 Parameters/Data of DB-SS, continued
1)
Offset Variable Type
380 2 x BYTE
382 BYTE
383 BYTE
384 2 x BYTE
386 BYTE
387 BYTE
338 32 x BOOL
1) A variable in the S7 protocol is addressed by the DB No. and, depending on data format, by the DBB, DBW and DBD
No. (offset in DB), as well.
The control and checkback signals in Table 8-3 can be the following signals:
Byte
Control signals:
Response signals:
8-14
Value Significance of the Variables
Data error
Free
Free
Operator control error
Free
Free
Process interrupt
7 6 5
Bit
20
21 AF SA EFG
22
23
24
25
28 PARA
29 PBR T-L
30
31 PEH FIWS
32
33
4 3 2
BFQ/FSQ
QMF R+ R–
operating mode
BP
OVERR
DF BF/FS
WFG
BAR
FR+ FR–
MNR
AMF
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Comment
1 0
TFB
STP ST
TFGS
BL SFG
ME SYN