Wiring Example
This example shows how to use PWM output 0 to control the brightness of a light bulb.
Refer to 4-3-2 Wiring Examples for details on suppressing the load's inrush current and modify the cir-
cuit if necessary.
Pulse I/O Module (Sinking Outputs)
Power supply
input for outputs
PWM output 0
9-1-4
Ladder Program Example
Specifications and Operation
When the start input (CIO 2960.00) turns ON in this example, pulses with a duty ratio of 40% at a
frequency of 2,000 Hz are output from PWM output 0. When the stop input (CIO 2960.01) turns ON,
PWM output 0 is stopped.
Start input: CIO 2960.00
Stop input: CIO 2960.01
Applicable Instructions
PWM(891)
INI(880)
CJ2M CPU Unit Pulse I/O Module User's Manual
24-VDC
power
supply
−
+
37, 38
35
Output
39, 40
COM
Frequency:
2,000 Hz, 500 µs
L
Duty ratio:
40%, 200 µs
9 PWM Outputs
9-5
9
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