Instructions

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6.2.4.1 Threshold counter with self-reset (CT)
Fig. 6.65
The output Q is of type BOOL. If the number of pulses counted on the input C exceeds
the threshold (Setting) specified at the input N, the output Q becomes True and remains
for one program cycle.
Fig. 6.66
The parameters Setting and State saving can be set in Property Box.
Fig. 6.67
Threshold range: 0…65535.
If State saving = Yes, the state of the counter is permanently stored in the non-volatile
memory.
6.2.4.2 Universal counter (CTN)
Fig. 6.68
The output Q is of type INT. A rising edge at the input U increases the value at the output
Q by 1. A rising edge at the input D decreases the value at the output Q by 1.
If the input R = True, the output Q becomes the value Setting at the input N.