The PCM4 pulse control module facilitates conversion of a 4- to 20-mA output to an on/off time proportioning output. The module mounts directly to the input terminals of an SSR. Screw terminals are provided on the converter for the input signal. The SSR’s power section connects in the standard fashion to the line and load. A solid-state relay provides a rectangular-shape, time-proportional (zero-fired) control signal to the load As a result, the average power to the load is proportional to the 4- to 20-mA input signal. The module measures 1.25 by 1.75 by 0.75 in. and operates at ambient temperatures from 0°C to 40°C. The module is well-suited for use in the water, chemical, automotive, and food-processing industries for applications including HVAC, lab use, and automotive-engine testing. OMEGA ENGINEERING INC., Stamford, CT. (203) 359-1660.
Company: OMEGA ENGINEERING INC.
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