Cal Power IT-M3400 Series User Manual page 99

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The On/Off state can be switched remotely through the analog interface.
Connect an external DC power supply capable of outputting 0V and 5V be-
tween pin 8 (On/Off_In) and 21 (GND) of the analog interface. Other analog
input pins should also be connected correctly. The wiring method is shown
in the figure below.
When 0V is input, the instrument's On/Off state is switched to Off state.
When 5V is input, the instrument's On/Off state is switched to On state.
Voltage and current monitoring
Through the analog interface, the existing output voltage/current or input
voltage/current can be monitored. Connect a digital voltmeter between pin
14 (Vol_MON), pin 16 (Cur_MOM) and ground wire 3/4/5/6 (AGND) of the
analog interface. Other analog input pins should also be connected cor-
rectly. The wiring method is shown in the figure below. The 0 ~ 10V voltage
reading corresponds to the power/load voltage and current output/input be-
tween zero and full scale. The wiring diagram is shown in the figure below.
Voltage and current setting under the load state
Copyright © Itech Electronic Co., Ltd.
System-Related Functions
88

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