2Operation and Features
58 E364xA User’s and Service Guide
Constant Current Operation
To set up the power supply for constant current (CC) operation, proceed as
follows.
Front panel operation
1 Connect a load to the output terminals.
With power-off, connect a load to the (+) and (–) output terminals.
2 Turn on the power supply.
The power supply will go into the power-on/reset state and the output is
disabled (the OFF annunciator turns on). Its low voltage range is selected and
the annunciator for the range presently selected turns on. For example, the 8V
annunciator turns on for the E3646A model. The knob is selected for voltage
control. At power-on, the output1 is selected and the OUT1 annunciator turns
on.
Press to operate the power supply in the high voltage range before
proceeding to the next step. The 20V or 60V annunciator turns on depending
on which power supply you are using.
3 Set the display to the limit mode.
Notice that the Limit annunciator flashes, indicating that the display is in the
limit mode. When the display is in the limit mode, you can see the voltage and
current limit values of the selected supply.
In constant current mode, the current values between the meter mode and limit
mode are the same, but the voltage values are not. Moreover, if the display is in
the meter mode, you cannot see the change of voltage limit value when
adjusting the knob. We recommend that you should set the display to the limit
mode to see the change of voltage limit value in the constant current mode
whenever adjusting the knob.
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