Technical data

7 Remote Control by Program
Remote control of the power supply unit by a PC is possible via the interfaces GPIB and RS-
232C. The serial connecting cable must not be longer than 15 m. Interface cables should be
connected when the unit is off. After switching on the power supply unit is in starting position
and can receive commands. The remote control is displayed on LED REMOTE [14].
7.1 Preparing the Power Supply Unit
7.1.1 Interface GPIB (IEEE-488.2)
The connecting cable between the power supply unit and the PC must correspond to standard
IEEE-488.2. The interface GPIB of the power supply unit is set at the system address 7.
After switching on the unit and when the internal test is successfully completed the
transmission parameters can be set with the help of a menu.
After pressing the SYST button [11] the sub-menu is called and the following message
appears on the display [5]:
SYSTEM
[ INTERFACE ]
With the help of the ENTER button [12] the menu point is confirmed and the following
message is displayed:
INTERFACE
SEL : [ GPIB ]
On pressing cursor buttons “
∧” and “∨” [13] the desired interface GPIB or RS 232C is set.
The new setting GPIB is saved with the ENTER button [12] and the following message
appears on the display [5]:
GPIB
ADDR: [ 7 ]
On pressing cursor buttons “
∧” and “∨” [13] the system address can be changed. With the
help of the ENTER button [12] the current address is saved and the settings are finished.
After switching off the settings are saved.
7.1.2 Interface RS-232C
The interface RS-232C of the PC must have the configuration as described in paragraph 4.4.2.
After switching on the unit and when the internal test is successfully completed the
transmission parameters can be set with the help of a menu.
After pressing the SYST button [11] the sub-menu is called and the following message
appears on the display [5]:
SYSTEM
[ INTERFACE ]
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Operating Instructions PN 300
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