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Chapter 3 Front-Panel Operation
Programming Overcurrent Protection
46
Programming Overcurrent Protection
Overcurrent protection guards the load against output currents that reach a
specified value greater than the programmed protection level. It is
accomplished by programming the output current to zero.
The following steps show how to set the overcurrent protection trip level, how
to check OCP operation and how to clear overcurrent condition.
• Front-panel operation:
Setting the OCP Level and Enable the OCP Circuit
1 Turn on the power supply.
The power supply will go into the power-on / reset state; the output is disabled
(the
OFF annunciator turns on); the 8V/20A* or 25V/7A** range is selected (the
8V* or 25V** annunciator turns on); and the knob is selected for voltage control.
2 Enable the output.
The
OFF annunciator turns off and the display will go to the meter mode.
3 Enter the OCP menu and set the trip level.
You will see the above message on the display when you enter the OCP menu.
Adjust the knob for the desired OCP trip level.
4 Enable the OCP circuit.
You will see the above message after pressing the key.
LEVEL 22
22
2.0 A
(E3633A)
LEVEL 7
77
7.5 A
(E3634A)
OCP ON
Power
Output
On/Off
Over
Current
Over
Current
Over
Current
*For Agilent E3633A Model **For Agilent E3634A Model