Valve driver manages proportional valves

May 4, 2011
The D1 PWM valve driver drives and manages proportional valves. The D1 converts proportional command voltage into a –1.1…1.1-A current signal to drive the valve’s linear force motor

The D1 PWM valve driver drives and manages proportional valves. The D1 converts proportional command voltage into a –1.1…1.1-A current signal to drive the valve’s linear force motor. The D1 lets a 12 or 24-Vdc power supply accommodate most applications. Its valve deadband, dither amplitude, and maximum current are all adjustable. For applications using PLCs or computers, the D1 interfaces with the valve, eliminating the need to write valvemanagement routines.

The driver’s digital closed-loop current control compensates for perturbations such as changea in input voltage or in the coil resistance due to temperature. Additional features include short-circuit protection, highly efficient design (no heat sink required), LED indicators for power and status/fault activity, and a temperature range of –40 to 65C° (–40 to 150°F).

The enclosed unit is suitable for panel mount or applications where the electronics will be exposed to end users. The D1 has a DIN clip for rail mounting, or the clip can be removed for flat surface mounting, either from within the enclosure or the bottom.

Enfield Technologies
35 Nutmeg Dr.
Trumbull, CT 06611
(800) 504- 3334
http://enfieldtech.com

© 2011 Penton Media, Inc.

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