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Appendix A - Analog Control Inputs
As a standard feature, PLS600 power supplies have an analog port that allows remote control. The analog control option allows
the use of either 0 - 3 volt inputs, 0 - 5 volt inputs or 0 -10 volt inputs. In addition, there is a 3.0 volt reference source so that
external potentiometers can be used as inputs.
The pinout of the Analog control connector is as follows:
The connector physical pinout is shown below. The correct mating connector is an On Shore Technology Inc. 5 pin connector
such as their part number OSTTJ0531530.
To use a potentiometer as the control source connect one end of the potentiometer to the 3.0 Volt Reference, the other end to
Ground and the wiper to the control Input. The potentiometer should be in the range of 1K to 10K ohms. Set the power supply
to run from a 3 volt analog input on voltage or current or both.
CAUTION: Noise on the inputs can affect the performance of the power supply. For long leads the user should tightly twist
the wires together and consider shielding.
32
Pin
1
2
3
4
5
Function
3.0 Volt Reference
Ground
Voltage Control Input
Current Control Input
Sharing Output
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