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Section 1. Features and Specifications
Front Panel Controls
12 Operating Manual for XPD Series Power Supply
• This unit may be equipped with an optional internal GPIB or RS-232 control for
remote digital programming and readback.
• Remote output sensing provides load cable compensation up to 5 V/line
(3 V/line for 7.5 V model).
• A rack mount kit (Option RM) is also available for this product.
Front Panel Controls
See Figure 1.1 to review the displays, LEDs, indicators, and controls located on the
power supply’s front panel. Check the following sections for additional descriptions
for front panel controls and functions.
• “Mechanical Specifications” on page 21
• “Functional Tests” on page 29
• “Standard Operation” on page 35l
Figure 1.1 500 Watt Series Power Supply Front Panel
SQR: Service Request.
On M9B equipped units only
REM: Supply is under
Remote Control
S/D: Unit is in Stand By.
Supply output is disabled.
OVP ADJ: Single turn Over
Voltage Protection threshold
adjusting potentiometer
Voltage Mode Operation
Indicator (green LED)
10-turn Voltage Control Knob
AC Power Switch
Safety Ground Binding Post (green)
Digital Display of DC
Output (volts, amperes)
Analog Bar Graph Display
Current Mode Operation
Indicator (red LED)
10-turn Current Control Knob
Return (-) Output BInding Post (black)
Return (+) Output BInding Post
(red)