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For the 1-phase pulse input, check that for up count, the phase B pulse input and CH Down count command (Y3, YB) are
off before performing the phase A pulse input.
If at least one of the B phase pulse input and CH Down count command (Y3, YB) is on, pulses are counted down in the A
phase pulse input.
2-phase multiple of 2
At up count
Counts on the rising edge () of A while B is off.
Counts on the falling edge () of A while B is on.
At down count
Counts on the rising edge () of A while B is on.
Counts on the falling edge () of A while B is off.
2-phase multiple of 4
At up count
Counts on the rising edge () of A while B is off.
Counts on the falling edge () of A while B is on.
Counts on the rising edge () of B while A is on.
Counts on the falling edge () of B while A is off.
At down count
Counts on the rising edge () of A while B is on.
Counts on the falling edge () of A while B is off.
Counts on the rising edge () of B while A is off.
Counts on the falling edge () of B while A is on.
Pulse input mode Count timing
A
B
A
B
A
B
A
B