3: Function and features Series 2230G Triple-Channel Power Supplies
3-14 2230G-900-01 Rev. A / June 2018
I1+I2+I3 parallel
You can connect two Series 2230G output terminals in parallel and display the combined output
current value on channel 1.
The wiring between the power supply output terminals affects the accuracy of measurements in this
mode. Make sure that wire sizes are sufficient, wires are short, and connections are tightened to
ensure maximum accuracy. See Wire specifications (on page 1-4
) for wire size guidelines.
When ALL Parallel mode is enabled, the voltage range of CH1 and CH2 are changed to the smaller
one of CH1, CH2, and CH3. The maximum output voltage is 5 V.
To combine channel1, channel 2, and channel 3 when the outputs are connected in parallel:
1. Connect the outputs in parallel, as shown in the following figure.
Figure 10: CH1, CH2, and CH3 outputs connected in parallel
2. Press the Menu key.
3. Use the arrow keys to select Combine.
4. Press the Enter key.
5. Press the down arrow key to select ALL Parallel.
6. Press the Enter key. The screen returns to meter mode. Verify that the Para indicator is
displayed, replacing the channel 2 and channel 3 voltage and current readings. This indicates
that the power supply is in the I1+I2+I3 parallel state. The total output current is displayed on
channel 1.
1.000V Para Para
SV
0.000A
7. Set channel 1 current to the current value you want.
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