Instance DB
S7-GRAPH for S7 300/400 Programming Sequential Control Systems
15-16 C79000-G7076-C526-01
Modes
The next component in the sequencer status area describes the modes, in other
words the state or mode change and codes.
A structure with the following elements is created:
Name Description Data
Type
Read
int.
Write int. Read
Ext.
Write Ext.
AUTO Change to the automatic mode BOOL yes yes yes yes
MAN Change to the manual mode BOOL yes yes yes yes
TAP Change to the inching mode BOOL yes yes yes yes
TOP Change to the automatic or switch to
next mode
BOOL yes yes yes yes
ACK_S Reserved BOOL no no no no
REG_S Reserved BOOL no no no no
T_PREV Reserved BOOL no no no no
T_NEXT Reserved BOOL no no no no
LOCK Activate/deactivate interlock
processing
BOOL yes yes yes yes
SUP Activate/deactivate supervision
processing
BOOL yes yes yes yes
ACKREQ Reserved BOOL no no no no
SSKIP Reserved BOOL no no no no
OFF Deactivate sequencer BOOL yes yes yes yes
INIT Activate initial steps BOOL yes yes yes yes
HALT Stop/continue sequencer BOOL yes yes yes yes
TMS_HALT Stop/continue timers BOOL yes yes yes yes
OPS_ZERO Deactivate/activate actions BOOL yes yes yes yes
SACT_DISP Reserved BOOL no no no no
SEF_DISP Reserved BOOL no no no no
SALL_DISP Reserved BOOL no no no no
S_PREV Automatic mode: Indicate previous
simultaneously active step in S_NO
Manual mode: Indicate next lower step
number
BOOL yes yes yes yes
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