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User Manual
D750
DC Power Supply
In a GPIB system, each power supply can be controlled using the GPIB controller.
1.2.4 Control via the serial communication port
The following parameters can be programmed via the serial communication port:
1. Output voltage setting.
2. Output current setting.
3. Output voltage measurement.
4. Output on/off control.
5. Output current measurement.
6. Foldback protection setting.
7. Over-voltage protection setting and readback.
8. Under-Voltage limit setting and readback.
9. Power-supply start up mode (last setting or safe mode)
1.2.5 Analog voltage programming and monitoring
Analog inputs and outputs are provided at the rear panel for analog control of the power
supply. The output voltage and the current limit can be programmed by analog voltage or by
resistor, and can be monitored by analog voltage. The power supply output can be remotely
set to On or Off and analog signals monitor the proper operation of the power supply and
the mode of operation (CV/CC).
1.2.6 Parallel operation
D750 of the same output voltage and current rating can be paralleled in master-slave
configuration with automatic current sharing to increase power available.
1.2.7 Output connections
Float outputs shall not more than +/-300VDC above/below chassis ground. Contact factory
for assistance with higher float voltage applications. Local or remote sense may be used.
In remote sense, the voltage drop on the load wires should be minimized. Refer to the
specifications for the maximum voltage drop value.
1.2.8 Cooling and mechanical construction
D750 is cooled by internal fans. At the installation, care must be taken to allow free air flow
into the power supply via the front panel and out of the power supply via the rear panel.
D750 have a compact and lightweight package which allows easy installation and space
saving in the application equipment.
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