Control And Checkback Signals - Siemens SIMATIC S7-300 Manual

Description of Functions
9.1 Control/checkback signals
Overview
FC MODE_WR transfers the control signals from the user DB to the FM
and transfers the checkback signals from the FM to the user DB.
Byte
Control signals:
Checkback signals
9-2
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 TFB
QMF R+ R– STP
BA
BP
OVERR
DF BF/FS TFGS
WFG BL
BAR
FR+ FR– ME
MNR
AMF
FM 354 Servo Drive Positioning Module
1 0
ST
SFG
SYN