The basics of counting, measurement and position detection
2.2 Basics of counting, measuring and position input (TM Count, TM PosInput, Compact CPU)
Counting, measurement and position detection
Function Manual, 12/2017, A5E32009889-AG
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Setting by the user program up to comparison value
You can set each digital output to 1 (edge) by setting the control bit (Page 185) SET_DQm.
The respective digital output is set to 0 by any of the following events:
● Matching of the position value and the comparison value or crossing of the comparison
value in the configured direction of the comparison event
● Resetting of the SET_DQm control bit.
The figure below shows an example of the comparison event when counting up:
You can disable the digital output before the position value corresponds to or exceeds the
comparison value by setting the control bit SET_DQm to 0.
Note
If the comparison value is reached or exceeded in the assigned direction, feedback bit
EVENT_CMPm is set
independently of the status of control bit SET_DQm.
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