Omron Sysmac CS1 Operation Manual page 117

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
Encoder Input Z or Sensor Input
The pulse width must be 90 µs min.
At 200 kHz Operation may not be reliable above 50 kHz.
20 µs min.
10 µs min. 10 µs min.
3 µs max. 3 µs max.
20 µs min.
90 µs min.
Specification
Encoder Inputs A and B
Square waveform
50-kHz pulse with 50% duty ratio
10 µs min.
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.
90 µs min.
Encoder Inputs A and B
Square waveform
200-kHz pulse with 50% duty ratio
2.5 µs min.
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.
90 µs min.
Section
20 µs min.
10 µs min.
20 µs min.
5 µs min.
2.5 µs min.
5 µs min.
7-5
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