Delta DPM-C520, Operation Manual

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secondary-side current transformer.
9. Press NEXT key to confirm the setting.
Note: You can go back to the previous setting item by pressing BACK key anytime, whether you have
completed or canceled the setting.
4.2.7 Potential Transformer Setup (PT)

Voltage for the primary-side potential transformer: ranging from 1 to 65535 V; default: 1 V.

Voltage for the secondary-side potential transformer: ranging from 1 to 9999 V; default: 1 V.

Steps:
1. Press BACK key to enter the setting page.
2. Press UP and DOWN keys at the same time for 5 seconds to unlock the setting.
3. Press NEXT key to see the setting option CT & PT.
4. Press DOWN key to enter the potential transformer (PT) setting page.
5. Use UP and DOWN keys to select the number for the primary-side potential transformer.
6. Press NEXT key to confirm the setting and start to set the next number for the primary-side
potential transformer.
7. Repeat steps 5-6 till you complete the settings of the 5 digit number for the primary-side potential
transformer. Press NEXT key to set up the secondary-side potential transformer.
8. When the option starts blinking, you can use UP and DOWN keys to select the number of the
secondary-side potential transformer.
9. Press NEXT key to confirm the setting and start to set the next number for the primary-side
potential transformer.
10. Repeat steps 5-6 till you complete the settings of the 4 digit number for the primary-side potential
transformer.
11. Press NEXT key to confirm the setting.
Note: You can go back to the previous setting item by pressing BACK key anytime, whether you have
completed or canceled the setting.
4.2.8 Reset Setup (RST)

Default (DEF): Restore all the settings back to the defaults (including wireless settings).

Energy (ENG): Reset all the accumulated energy values and automatic energy values.

MaxMin (MM): Clear all maximum values and minimum value logs.

Alarm (ALA): Clear all the detected alarm logs.

Steps:
1. Press BACK key to enter the setting page.
2. Press UP and DOWN keys at the same time for 5 seconds to unlock the setting.