The EDM-M* card is a digital amplifier for open loop proportional valves control. It is designed for rail mounting type: DIN EN 50022.
The unit supplies a variable current in proportion to the reference signal and independently of temperature variations or load impedance.
The PWM stage on the solenoid power supply allows the reduction of the valve hysteresis, thus optimising control precision. The unit is available in three main versions, to control single solenoid valves (M1), double solenoid valves (M2) and valves with two independent channels controlling two single solenoid valves (M3). Each version is available with different maximum current settings and switching frequencies (PWM), optimised according to the relevant valve.
The parameters adjustment is carried out either through keyboard and display, placed on the front panel, or with a notebook, via RS232 or via USB converter (EDMPC/20 software).
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