Model 2231A Triple-channel DC Power Supply Reference Manual Section 3: General operation
077100401/September 2014 3-3
Indicator description
Item Description
CC
Constant current mode.
Constant voltage mode.
The power supply is in remote control mode.
Series
The outputs of Channel 1 and channel 2 are wired in series.
Para
The outputs of Channel 1 and channel 2 are wired in parallel.
T
Channel 1 and channel 2 are in tracking mode.
Basic settings
Set the voltage output or voltage limit for a specific channel
You may set the voltage limit from 0 V to the maximum voltage rating shown on the instrument
nameplate. To set the voltage limit, do the following:
1. The position of the cursor determines which channel will be adjusted. If the cursor is not located
on the correct channel, select the correct channel by pushing the appropriate channel select
button.
2. Push V-set.
3. Use the numeric buttons and push Enter to set the voltage limit. You can also use the up, down,
right and left arrow buttons.
Set the current output or current limit for a specific channel
You may set the current limit from 0 A to the maximum current value of each model. The maximum
current rating is shown on the instrument nameplate. To set the current limit, do the following:
1. The position of the cursor determines which channel will be adjusted. If the cursor is not located
in the correct channel, select the correct channel by pushing the appropriate channel select
button.
2. Push I-set.
3. Use the numeric buttons and push Enter to set the current limit. You can also use the up, down,
right and left arrow buttons.
Save and recall the setups
You can store up to 30 different setups in memory locations. Each setup includes a voltage limit,
current limit and maximum output voltage.
To save the setups:
1. After you set up the power supply, push the Save button.
2. Use the number buttons or the arrow buttons to select the setup memory (1 to 30) that you want
to store the values in.
3. Push Enter to confirm the memory location.
To recall the setups:
1. Push Recall.
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