Using the module
5.1 Using the technology module
Counting, measurement and position detection
172 Function Manual, 12/2017, A5E32009889-AG
Basic parameters
Reaction to CPU STOP
Reaction to CPU STOP
You set the response of the technology module for each channel to CPU STOP in the basic
parameters of the device configuration.
Continue operation The technology module remains fully functional. Incoming count
pulses are processed or the actual position is read. The digital
outputs continue to switch according to the parameter assignment.
Output substitute value The technology module outputs the configured substitute values at
the digital outputs until the next CPU STOP-RUN transition.
The technology module is returned to its startup state after a
STOP-RUN transition: The counter value is set to the Start value
(with incremental encoders or pulse encoders) and the digital out-
puts switch according to the parameter assignment.
Keep last value The technology module outputs the values at the digital outputs
that were valid when the transition to STOP took place until the
next CPU STOP-RUN transition.
If a digital output with the function "In case of comparison value for
a pulse duration" is set at CPU stop, the digital output is reset after
expiry of pulse duration.
The technology module is returned to its startup state after a
STOP-RUN transition: The counter value is set to the Start value
(with incremental encoders or pulse encoders) and the digital out-
puts switch according to the parameter assignment.
Substitute value for DQ0 (TM Count und TM PosInput)
This parameter lets you specify which value the technology module is to output to the digital
output DQ0 in the event of a CPU STOP under "Output substitute value".
Note
In operating mode "Operating with "Counting and measurement" technology object", you
assign this parameter using the technology object.
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