Spellman High Voltage Electronics Limited - Company Confidential
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81408-4r2 MPD Series Installation and User Guide
Page 13 of 29
4.1.4
External potentiometer control
An external potentiometer can be connected between the 10V reference on Pin 4 and
ground with the wiper connected to Pin 5, this will allow the potentiometer to be used to
control the unit. The user should note the use of a potentiometer may affect the
performance of the MPD unit.
The unit may be controlled by an external potentiometer as follows: -
24V Power input on Pin 2.
Power Comon on Pin 1.
Connect Pin 4 to external pot CW.
Connect Pin 11 to external pot CCW.
Connect Pin 5 to external pot wiper.
Connect Enable Pin 12 to ground to enable HV output.
Voltage monitor output is on Pin 3.
Current monitor output is on Pin 8.