Machine Trigger For "Plc Timeout Trigger - Siemens SINUMERIK Series Function Manual
Eps network services
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03/2012
Function
Notice
If the next trigger is triggered before execution of the diagnostics actions is com-
pleted (e.g. save data), the diagnostics actions, e.g. record data, cannot be exe-
cuted as parallel trigger evaluation is not possible. The missing of the trigger and
of course the data for this type of event cannot be prevented by the system.
The repeat frequency is generally less than one second, with high interface
demands it may be a few seconds.
3.4.6 Machine trigger for "PLC timeout trigger"
Function description
The Timeout Trigger offers the possibility to monitor actions and functions which
could not take place in the time window intended or specified for them.
The real time difference which triggers the trigger if exceeded by the time config-
ured here for comparison is determined with a definable start and stop signal from
the PLC. The trigger can trigger all actions available in the control monitor. The
same variable or different variables can be used as start and stop signal. All rela-
tional operators permissible for the PLC variables can also be used.
© Siemens AG 2012 All Rights Reserved
ePS Network Services, Function Manual (FH) - 03/2012
Description
It is possible but not meaningful to compare a
binary address M1.1 with greater than 9999.
Entry for a comparison value tolerance, in
which the trigger condition is still fulfilled.
Note:
ePS Network Services will not check the
specified tolerance for plausibility. The toler-
ance is only advisable in = operations with
values (no binary signals).
With >, < operations, the comparison value
can be specified correctly instead of the tol-
erance, as a tolerance direction has no ef-
fect.
Deleting a comparison operation in the PLC
trigger does not result in the PLC variable
being deleted along with it, but instead forces
the variable to renounce its participation at
the trigger and hides the logic operation.
To undo the forcing, the variable is selected
again. The comparison operation is also
available again.
3 Setting up functions
3.4 Fault services
Type
INPUT
DISPLAY
SELECTION
3-133
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