Contactor converts analogue input for PLCs
A
Power-io product story
Edited by the Engineeringtalk editorial team
Jun 8, 2007
Power-io's DMA3-6V75T solid state contactor accepts an analogue 4-20mA control signal and provides a three-phase solid state contactor for resistive loads up to 25 or 35A/phase.
Power-io has released an improved DMA3-6V75T solid state contactor.
This three phase contactor accepts an analogue 4-20mA control signal and provides a three-phase solid state contactor for resistive loads up to 25 or 35A/phase.
The contactor converts the analogue input into a high speed time proportional output that is directly compatible with most PLCs or Scada systems.
In addition, the product can be used with a simple 5k potentiometer for easy installations.
The switched outputs are zero-crossing solid state back-to-back thyristors for long life and minimum electronic noise.
Typical applications include: resistive electric heaters, food processing heaters, heater control on plastics extrusion or blow moulding machines, and other process heaters.
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