Omron CJ1M-CPU21 Operation Manual page 151

PULSE WITH VARIABLE DUTY FACTOR: PWM(891)
Example
000000
000001
122
When CIO 000000 turns ON in the following programming example,
PWM(891) starts pulse output from pulse output 0 at 200 Hz with a duty factor
of 50%. When CIO 000001 turns ON, the duty factor is changed to 25%.
@PWM
#0000
Pulse output 0
#07D0
Frequency: 200.0 Hz
#0032
Duty factor: 50%
@PWM
#0000 Pulse output 0
#07D0 Frequency: 200.0 Hz
Duty factor: 25%
#0019
Duty factor: 50%
CIO 000000 ON CIO 000001 ON
Section 5-10
Duty factor: 25%