3: Function and features Series 2230G Triple-Channel Power Supplies
3-10 2230G-900-01 Rev. A / June 2018
To set up CH1/CH2/CH3 tracking mode:
1. Press the CH1 key.
2. Press the V-Set key and enter the voltage value for channel 1. For example, set the voltage of
channel 1 to 1 V.
3. Press the CH2 key.
4. Press the V-Set key and enter the voltage value for channel 2. For example, set the voltage of
channel 2 to 1 V. The ratio between channel 1 and channel 2 is 1.
5. Press the Enter key.
6. Press the CH3 key.
7. Press the V-Set key and enter a voltage in the ratio you want for channel 3. For example, set the
voltage of channel 3 to 2 V. The ratio between channel 1 and channel 3 is 2, and the ratio
between channel 2 and channel 3 is 2.
8. Press the Enter key.
9. Press the Menu key, and using the down arrow key, navigate to Track, and then press the Enter
key.
10. Press the down arrow key to select Track ALL and then press the Enter key to turn on tracking.
11. Verify that T is displayed among the voltage readings of channel 1, channel 2, and channel 3 on
the display. This indicates that the power supply is in tracking mode.
To disable tracking mode:
1. Press the Menu key.
2. Use the arrow keys to select Track.
3. Press the Enter key.
4. Use the arrow keys to select Track Off (default).
5. Press Enter.
If the voltage or current is set to 0, the tracking setting is ignored.
If tracking is enabled and channel 1 (CH1) and channel 2 (CH2) timers are set, the timer uses the
smaller set value.
Combine
You can combine the outputs of the channels. You can only set CH1 and CH2 of model 2230G-30-3
and 2230G-30-6 to series operation mode. You can set CH1 and CH2, CH2 and CH3, or all three
channels of 2230G to parallel operation mode. The following procedures show you how to combine
channels when outputs are wired in series or in parallel.
Do not set CH1 and CH2 of the 2230G-60-3 to series operation mode. This will cause the
2230G-60-3 to output the voltages of V1 and V2 combined, which exceeds the safe voltage of
60 VDC. Setting CH1 and CH2 to series operation may expose you to hazardous voltages, that
if contacted, could cause personal injury or death.
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