Section 3: General operation Model 2231A Triple-channel DC Power Supply Reference Manual
3-8
077100401/September 2014
I1+I2 parallel:
To combine metering of channel 1 and channel 2 when the outputs are wired in parallel:
Figure 10: Parallel setup
All measurements are at the terminals. If the wires used to connect the channels together are too
small, too long, or improperly tightened, accuracy of measurements will be adversely affected.
1. Wire the outputs in parallel, as shown in the figure above.
2. Push
Menu
.
3. Use the arrow keys to select
Combine CH1+CH2
.
4. Push
Enter
.
5. Push the down arrow key to select
I1+I2 parallel
.
6. Push
Enter
. The screen will return to meter mode. Check that the indicator
Para
appears on the
display, replacing the channel 2 voltage and current readings. This indicates that the power
supply is in the I1 + I2 state. The total output current is displayed on channel 1.
7. Set channel 1 to the desired current value (up to 6 A).
Combine Off
To turn of the combination of channel 1 and channel 2:
1. Remove all wires connected to the output terminals.
2. Push
Menu
.
3. Use the arrow keys to select
Combine CH1+CH2
.
4. Push
Enter
.
5. Push the down arrow key to select
Combine Off
.
6. Push
Enter
.