Operation; Turn-On Checkout Procedure; Constant Voltage Operation; Constant Current Operation - HP E3610A Operating And Service Manual

HEWLETT E36WA 0-ew.M/o-nr.aA
PACKARD DC KMCtt SUrPLT
]:
. ON
OFF
± 2«1 VDC MAX TO 1
FIGURE 2: FRONT PANEL CONTROLS AND INDICATORS
OPERATION
Turn-On Checkout Procedure
The following checkout procedure describes the use of the
front panel controls and indicators illustrated in Figure 2 arxJ
ensures that the supply is operational:
a. Push LINE button to ON.
b. Set RANGE push button to desired range.
c. Turn VOLTAGE control fully counter clockwise to
ensure that output decreases to 0 Vdc then fully
clockwise to ensure that output voltage increases to
the maximum output voltage.
d. While depressing CC SET push button, turn the
CURRENT control fully counter clockwise and then
fully clockwise to ensure that the current limit value
can be set from zero to maximum rated value.
e. Connect load to output terminals.
WARNING
Constant Current Operation
To set up a power supply for a constant current operation,
proceed as follows:
a. Turn CURRENT control fully counter clockwise to
ensure that output decreases to 0 A, and then turn on
power supply.
b. Adjust VOLTAGE controKno load connected) for
maximum output voltage allowable(voltage limit), as
determined by load cor>ditions. During actual opera-
tion, if a load change causes the voltage limit to be
exceeded, the power supply will automatically cross-
over to constant voltage operation at the preset
voltage limit and output current will drop proportion-
ately.
c. Adjust CURRENT control for desired output current
while depressing CC SET button(CC LED will not light
until the supply is loaded)
Connecting Loads
The output of the supply is isolated from earth ground.
Either output terminal may be grounded or the output can
be floated up to 240 volts off grour>d.
Shock Hazard
Disconnect ac power before making
output terminal connections.
Constant Voltage Operation
To set up a power supply for a constant voltage operation,
proceed as follows:
a. Turn on power supply and adjust 10-turn VOLTAGE
control for desired output voltage(output terminals
open). CV LED should light.
b. While depressing CC SET push button, adjust 10-turn
CURRENT control for maximum output current allow-
able (current limit). During actual operation, if a load
change causes the current limit to be exceeded, the
power supply will automatically crossover to constant
current mode artd output voltage will drop propor-
tionately.
Each load should be connected to the power supply output
terminals using separate pairs of connecting wires. This will
minimize mutual coupling effects between loads and will
retain full advantage of the low output impedance of the
power supply. Each pair of connecting wires should be as
short as possible and twisted or shielded to reduce noise
pickupdf a shield is used, connect one end to the power
supply ground terminal and leave the other erxl unconnec-
ted.).
Operation Beyond Rated Output
The output controls can adjust the voltage or current to
values above(up to 5%) the rated output as indicated on the
front panel display. Although the supply can be operated in
the 5% overrange region without being damaged, it can not
be guaranteed to meet all of its performance specifications
in this region.
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