Programmable DC Electronic Load 6310 Series Operation & Programming Manual
Figure 2-3 Line Voltage Switch
2.4.2 Turn-On Self-Test
Check the following before turning on the Load.
The unit has been factory set to the correct line voltage. Refer to the line voltage indicated
on the rear panel.
The power cord is connected to the AC input socket.
& WARNING
The power cord supplies a chassis ground through a third connector. Be sure that your outlet
is of three-conductor type with the correct pin connected to ground.
Power on the Load by the front panel switch on Mainframe and observe the display.
Immediately after turning on, the Electronic Load executes a self-test that checks the GPIB
interface board and the input circuitry of the installed modules. All of the LED segments on
the front panel are momentarily activated. The Mainframe displays,
GPIB ADDRESS = 1
and then displays,
LOAD MODULE
CHANNEL SCANing
The LCD displays the GPIB address at power-on condition. The GPIB address switch is on
the rear panel if the GPIB card is installed. If the GPIB card is not installed, the LCD will
show LOAD MODULE CHANNEL SCANing. Mainframe checks the existing channels when
the display appears CHANNEL SCANing. The LED segment on the front panel is
momentarily activated. If the Mainframe fails the self-test, the LED will blink, and the LCD
has no display. When the self-test completes, the Mainframe will display the active channel
that is installed.
The Load module also executes a self-test that checks firmware and communication with
Mainframe. All of the LEDs on the front panel are momentarily activated, and the
7-segment LED displays the model number as well as firmware version. If any error is
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