Omron SYSMAC CS Series Operation Manual page 148

Pulse Inputs
Item
Minimum response pulse
At 50 kHz
Encoder Inputs A and B
Signal rise and fall must be 3 μs max.
50-kHz pulse with 50% duty ratio
Differential-phase Inputs A and B
T1, T2, T3,and T4 must be 4.5 μs max.
There must be 4.5 μs min. between
phase-A and phase-B change points.
Phase A
Phase B
At 200 kHz Operation may not be reliable above 50 kHz.
128
20 μs min.
10 μ s min.
10 μ s min.
3 μs max. 3 μs max.
20 μs min.
Encoder Input Z or Sensor Input
The pulse width must be 90 μs min.
90 μs min.
Specification
Encoder Inputs A and B
Square waveform
50-kHz pulse with 50% duty ratio
Differential-phase Inputs A and B
T1, T2, T3,and T4 must be 4.5 μs max.
There must be 4.5 μs min. between
phase-A and phase-B change points.
Phase A
Phase B
Encoder Input Z or Sensor Input
The pulse width must be 90 μs min.
Encoder Inputs A and B
Square waveform
200-kHz pulse with 50% duty ratio
Differential-phase Inputs A and B
T1, T2, T3,and T4 must be1.0 μs max.
There must be 1.0 μs min. between
phase-A and phase-B change points.
Phase A
Phase B
Encoder Input Z or Sensor Input
The pulse width must be 90 μs min.
Section 7-5
20 μs min.
10 μ s min. 10 μ s min.
20 μs min.
90 μs min.
5 μs min.
2.5 μs min.
2.5 μs min.
5 μs min.
90 μs min.