Referenced within Rockwell Automation PartnerNetwork™ Encompass program, 4402 two-channel Pulse Width Modulation (PWM) signal controller for Point I/O™ works with Allen-Bradley PLCs. Module generates square wave pulse signal with 0%–100% programmable duty cycle and 1 Hz to 20 kHz programmable frequency and can also be programmed to add dithering element to PWM output. Programmable output frequency and duty cycle provide sophisticated control for hydraulic and pneumatic control devices.