Instance DB
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
15-17
Name Description Data
Type
Read
int.
Write int. Read
Ext.
Write Ext.
S_NEXT Automatic mode: Indicate next
simultaneously active step in S_NO
Manual mode: Indicate next higher
step number
BOOL yes yes yes yes
S_SELOK Reserved BOOL no no no no
S_ON Manual mode: Activate the displayed
step
BOOL yes yes yes yes
S_OFF Manual mode: Deactivate the
displayed step
BOOL yes yes yes yes
T_PUSH Mode: Inching
Transition switches when the satisfied
condition is accepted with T_PUSH
BOOL yes yes yes yes
REG Reserved BOOL no no no no
ACK Acknowledgment of a disturbance BOOL yes yes yes yes
IL_PERM Permanent interlock processing BOOL yes yes yes yes
T_PERM Permanent transition processing BOOL yes yes yes yes
ILP_MAN Permanent interlock processing in
manual mode
BOOL yes yes yes yes