Lock, Unlock, Reset (Lock, Unlock, Reset) - Siemens SINUMERIK 840D sl Programming Manual

Motion synchronous actions
10.5 Technology cycles
10.5.9

Lock, unlock, reset (LOCK, UNLOCK, RESET)

Function
The sequence of a technology cycle can be locked, unlocked or reset using another modal
synchronized action.
Syntax
LOCK(<n1>,<n2>,...)
UNLOCK(<n1>,<n2>,...)
RESET(<n1>,<n2>,...)
Significance
LOCK
UNLOCK
RESET
<n1>,<n2>,...
Interlocking synchronized actions
Modal synchronized actions with ID numbers <n> = 1 ... 64 can be interlocked from the PLC.
The associated condition is no longer evaluated and execution of the associated function is
locked in the NCK.
All synchronized actions can be locked indiscriminately with one signal in the PLC interface.
Note
A programmed synchronized action is active as standard and can be protected against
overwriting/locking by a machine data setting.
It should not be possible for end users to modify synchronized actions defined by the
machine manufacturer.
724
Command to lock synchronized actions
The active action is interrupted.
Command to unlock synchronized actions
Command to reset technology cycles
Identification numbers of synchronized actions or technology cycles
that are to be locked, unlocked or reset.
Programming Manual, 06/2009, 6FC5398-2BP20-0BA0
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