5 FUNCTIONS AND OPERATION PROCEDURES
5-1. Operation modes
The unit has four basic operation modes, which are as follows:
Operation Mode
Description
Manual mode
Setting by manual operation on the panel.
Sequence mode
Setting changes over time according to the sequence program stored
in the internal memory.
External analog control
Setting via external analog signals and ON/OFF signal.
External digital control
Setting via external communication device.
5-2. Turning On Power
5-2-1. Display when power is turned on
Properly connect the AC power cable of the PS-A power supply unit, confirm that power is being supplied, and then
turn on the power switch. The following characters are displayed on the voltage and current indicators until the unit is
ready for normal operation.
These characters are displayed after the power switch is turned on.
The rated voltage is displayed in the upper row, and the rated current in the lower row.
(The rating is displayed while the internal test is performed.)
The software version is displayed.
Display of the interface board installation and operation.
The standard board is installed.
(The standard board is installed in all models.)
The installed interface board IF-70GU is in the GP-IB setting.
The installed interface board IF-70GU is in USB setting.
The interface board IF-70PS is installed.
The installed interface board F-70RS is in the RS-232C (local bus) setting.
The installed interface board IF-71RS is in the RS-232C (PSR bus) setting.
The installed interface board IF-71RS is in the RS-232C (PSR-M bus) setting.
The unit can be operated.
Manual mode.
The unit can be operated.
Sequence mode.
After displaying the seq mode, step No. is displayed.
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