Calibration 64
9.5 External Voltage Programming Calibration
To perform the external voltage programming calibration:
1. Connect the DMM to the external analog control terminals of DB25 connector (+ on the DMM to Pins 9 and 11, -
on the DMM to Pin 22 (GND)) on the rear of the power supply, as shown in the gure below:
Figure 9.4 External Voltage Programming Calibration Diagram
2. Set the DMM to a DC voltage measurement. Select the EXT_VOLT parameter in the Calibration menu and press
. The following will be displayed:
The P: 1/2 signies there are 2 points to be calibrated and the current calibration point is 1.
3. Input the voltage reading from the DMM in the METER parameter by using the numeric keypad and pressing
.
4. Repeat this procedure by entering the meter readings for points 2.
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