Commissioning
Basic Supply Unit BUG 622, 623 43
Baumüller Nürnberg GmbH 5.94034.07a
6.2 Operation
Resetting of operating messages, which are stored by the basic supply unit:
y Set reset input at terminal strip X99AB (attach + 24 V)
y Switch off the +24V supply voltage
Error saving can be cancelled (function "Speicher löschen" - flush memory) by constant triggering of re-
set input.
Previous messages are retained.
Setting the basic supply unit BUG 622, 623 is not necessary.
6.3 Mains failure
It is possible to enable an automatic restart of the basic supply unit after a mains failure:
For that purpose
At terminal strip X99AB attach
Terminal no. 5: to +24 V
Terminal no. 6: to ground 24 V
This corresponds to reset (message memory).
y In the case of voltage failure (DC link voltage lower than 300 V) the basic supply unit generates the
message voltage failure (power error H2).
y The supply unit´s "ready for use" signal is taken away.
y The message voltage failure is deleted automatically if the mains voltage returns. The supply unit´s
status is now "ready for use".
NOTE
If the message "mains failure" is active and only +24 V low voltage supply is applied the message is
not saved. The message is saved only when the main supply has been applied.
WARNING
If you enable an automatic start of the drive, you cause a severe danger of the operating personnel. If
a enable an automatic start of the drive, you must provide a protection on the machine side!
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