Does Maximum counting frequency of HSC (High speed counter) of SoMachine depend on any settings. If it depends what is it

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Yes, maximum counting frequency of HSC of SoMachine depends on the set filter value of counting inputs

For one shot and Modulo loop mode of HSC Simple type, One shot mode of HSC Main type, Event counting mode of HSC Main type and Frequency meter mode of HSC Main type counter Pulse A is the counting pulse.

For this below is the relationship of Maximum counting frequency with Pulse A filter value

Maximum counter frequency is 100 KHZ if filter for counting input is set to 0.004 ms (default)
Counter frequency is 1 KHZ if filter for counting input is set to 0.4 ms
Counter frequency is 400 HZ if filter for counting input is set to 1.2 ms
Counter frequency is 100 HZ if filter for counting input is set to 4 ms

For Modulo loop mode of HSC Main type and Free large mode of HSC Main type counter pulses A and B are the counting pulses

For this below is the relationship of Maximum counting frequency with Pulse A and Pulse B filter value

Maximum counter frequency is 100 KHZ if filter for counting input is set to 0.004 ms (default)
Counter frequency is 1 KHZ if filter for counting input is set to 0.4 ms
Counter frequency is 400 HZ if filter for counting input is set to 1.2 ms
Counter frequency is 100 HZ if filter for counting input is set to 4 ms