Calibration 66
9.7 CC Calibration of External Voltage
To perform the calibration procedure for the constant current source of the external voltage programming by resistor
mode:
1. Connect the external analog control terminals of DB25 connector (Pins 9, 22(GND)) on the rear of the power supply,
as shown in the gure below:
Figure 9.6 CC Calibration of External Voltage Diagram
2. Select the EXT_V_ CC parameter in the Calibration menu and press . The following will be displayed:
The P: 1/4signies there are 4 points to be calibrated and the current calibration point is 1.
The four points use 0Ω, 2.5kΩ, 7.5kΩ, 10kΩ.
3. Press , the calibration will start, if the resister is not insert or not correct, the following will be displayed:
4. If the resister is correct, the following will be displayed, press .
5. Repeat this procedure by entering the meter readings for points 2 – 4.
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