Issue:
DC Bus voltage measuring on an ATV630 drive.

Product Line :
Altivar Process Drive


Resolution:
On Frame size 1 through 3 the PA+ and PC- terminals are accessible under a sticker between the line and load connections.
On Frame size 4 and 5 the PA+ and PC- terminals are accessible below the line power terminals and to the left of the load terminals.

For a 480vac drive, should measure around 680vdc on the DC bus
For a 240vac drive, should measure around 340vdc on the DC bus

NOTE: PA/+ and PC/- terminals are used only to measure the DC Bus voltage and are not intended to be
wired for an external use.

If this FAQ did not solve your issue, you can call us at 1-888-778-2733 Option 2 and then 4 or e-mail us at drive.products.support@se.com to create a case with our Technical Support Team.

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