Chapter 2 Initial Operation
Power-On Checkout
16
Power-On Checkout
The power-on test includ es an automati c self-test that checks the internal
micropr ocesso rs and allow s the user visuall y to check the displ ay. You will
observe the following sequence on the display after pressing the front panel
power switch to on.
1 Th e front-pan el display will light up briefly while the instrument
performs its power-on self-test.
T o review the power- on display with all annunciato rs turned on, hold down
key as you turn on the power sup ply
.
2 Th e GPIB address or RS-232 is also displayed for about one second.
The GPIB address is set to ‘‘5’’ when the power supply is shipped from the
factory for remote interface configuration. If this is not the first time the power
supply is turned on, a different interface (RS-232) or a different GPIB address
may appear.
See "Remote Interface Configuration" in chapter 3 starting on page 58 if you
need to change the remote interface configuration.
3The “
8V
”* or “
25V
”**, “
OVP
”, “
OCP
” and “
OFF
” annunciators are o n.
All others are off.
The power supply will go into the power-on / reset state; the output is disabled
(the
OFF
annunciator turns on); the 8/20A * or 25V/7A** range is selected (the
8V
* or
25V
** annunciator turns on); and the knob is selected for voltage
control. Notice that the
OVP
and
OCP
annunciator also turn on.
4 Enable the outp uts.
The
OFF
annunciator turns off and the
8V
* or
25V
**,
OVP
,
OCP
, and
CV
annunciators are lit. The
blinking
digi t can be adjusted by turning the knob.
Notice that th e displ ay is in the meter mode. ‘‘Meter mod e’’ means that the
displ ay shows the actual output voltage and curr ent.
Note If the power supply detects an error during power-on self-test, the ERROR
annunciator will turn on.
See "Error Messages" for more information starting on page
123 in chapter 5
ADDR 05 (or RS-232)
Display
Limit
Output
On/Off
*For Agilent E3633A Model **For Agilent E3634A Model
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