Siemens SINUMERIK 840D sl Function Manual page 692
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Detailed description
2.7 Program operation mode
NC response
The following table describes the NC response in the individual operational states:
Status of NC
Program is active
RESET
Program mode
AUTOMATIC or MDA and
channel stopped
Manual mode,
Channel stopped
JOG
AUTO Teach-In,
AUTO Teach reference
pnt.
MDA JOG,
MDA Teach-In,
MDA Teach reference pnt.
Manual mode,
Channel running
Processing of
INITIAL.INI,
block search,
alarm, which cannot be
reset by an NC start,
digitizing activated,
channel in error state
134
Start of ASUB
Control system reaction
Interrupt, (PLC)
Rapid retraction or stop axes
Interruption of program for duration of ASUB
Approach to interruption point if ASUB contains REPOS
Continuation of part program.
Interrupt, (PLC)
The ASUB is executed like a main program. RESET (without M30) is
executed at the end of the ASUB. The next control system status
depends on the following machine data:
MD20110 $MC_RESET_MODE_MASK
MD20112 $MC__START_MODE_MASK
References: /FB1/, K2, "WorkpieceRelated Actual Value System"
Interrupt, (PLC)
ASUB is executed. At the end of the ASUB the STOP state is
reapplied.
REPOS in the ASUB:
- ASUB processing is stopped by the approach block. - The approach
movement can be initiated with the Start key.
Start key
Once the ASUB has been executed, processing of the interrupted
program is resumed.
Interrupt, (PLC)
Control system assumes the status "internal program execution
mode" for the addressed channel (not evident externally) and then
activates the ASUB. The selected operating mode remains valid. The
original status is resumed after execution of the ASUB (M17).
Interrupt, (PLC)
Stop machining, evaluation of:
MD11602 $MN_ASUP_START_MASK
MD 11604 $MN_ASUP_START_PRIO_LEVEL
internal switchover to "internal program execution mode" if
appropriate, activation of ASUB, restoration of status prior to ASUB
Interrupt, (PLC)
start. Any LIFTFAST defined with SETINT is not activated in JOG
mode.
Interrupt, (PLC)
The current active motion is stopped. The distancetogo is deleted.
The remaining sequence of operations is the same as for "Manual
mode, channel stopped".
The signal "Interrupt request not possible" is generated.
ASUB cannot be
started
Basic logic functions: Mode group, channel, program operation, reset response (K1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
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