Instance DB
S7-GRAPH for S7-300/400 Programming Sequential Control Systems
C79000-G7076-C526-01
15-5
Parameter Description Data
Type
Read
int.
Write int. Read
Ext.
Write Ext.
OFF_SQ
OFF_SEQUENCE:
Turn off the sequencer
BOOL yes no yes no
INIT_SQ
INIT_SEQUENCE:
Initialize sequencer
BOOL yes no yes no
ACK_EF
ACKNOWLEDGE_ERROR_FAULT:
Acknowledge disturbance, force
switching to next step
BOOL yes no yes no
REG_EF
REGISTRATE_ERROR_FAULT:
Register all errors and
disturbances
BOOL yes no yes no
ACK_S ACKNOWLEDGE_STEP
Acknowledge step displayed in
S_NO
BOOL yes no yes no
REG_S REGISTRATE_STEP
Register step displayed in S_NO
BOOL yes no yes no
HALT_SQ
HALT_SEQUENCE
Stop/reactivate sequencer
BOOL yes no yes no
HALT_TM
HALT_TIMES:
Stop/reactivate all step activation
times and time-dependent
instructions (L and D) of the
sequencer
BOOL yes no yes no
ZERO_OP
ZERO_OPERANDS:
Reset all addresses of the
instructions N, D, L in active steps
to zero and do not execute CALL
instructions in actions/reactivate
addresses and CALL instructions.
BOOL yes no yes no
EN_IL
ENABLE_INTERLOCKS:
Deactivate/reactivate interlocks
BOOL yes no yes no
EN_SV
ENABLE_SUPERVISIONS:
Deactivate/reactivate supervisions
BOOL yes no yes no
EN_ACKREQ
ENABLE_ACKNOWLEDGE_
REQUIRED:
Activate mandatory
acknowledgment
BOOL yes no yes no
EN_SSKIP ENABLE_STEP_SKIPPING:
Activate skip step
BOOL yes no yes no
DISP_SACT DISPLAY_ACTIVE_STEPS:
Display active steps only
BOOL yes no yes no
DISP_SEF DISPLAY_STEPS_WITH_ERROR_
OR_FAULT:
Display steps with errors and
disturbed steps only
BOOL yes no yes no
DISP_SALL DISPLAY_ALL_STEPS:
Display all steps
BOOL yes no yes no
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