Rockwell Automation 7000L PowerFlex Medium Voltage AC Drive (C Frame) - Classic Control - Manual (Page 408)

6-64 Component Definition and Maintenance
7000L-UM300I-EN-P – June 2013 7000 “C” Frame
UPS Option (cont.)
If the customer has an external UPS, the firmware will essentially
not expect any of the signals mentioned in the above section, and
will not display any information relating to the UPS status. The
firmware will operate in the same manner with respect to the
operation of the drive with an internal or external UPS.
The output of the UPS feeds a 300W AC/DC Power Supply. This is
20% of the standard AC/DC Power Supply used in the drive because
the load represented by the DC/DC Power Supply is much smaller
than the load of the IGDPS boards, and we are able to reduce the size
accordingly. We still use the standard AC/DC Power Supply to feed
the IGDPS boards. The 300W AC/DC Power Supply also has AC
and DC fail signals that are fed back to the Customer Interface Board
for processing.
There is also a hold-up capacitor on the output of the 300W AC/DC
Power Supply to keep the 56VDC up in the event of a failure of the
power supply.
UPS Replacement Procedure
1. Ensure 3-Phase Control Power has been isolated and locked-out
2. Remove the hardware that fastens the holding bracket to the
cabinet assembly and remove the holding bracket.
3. Disconnect the input and output wiring connected to and from
the UPS.
4. Disconnect the 25 pin status plug from the UPS
5. Remove the UPS, and install the new UPS.
6. Reconnect all the connections removed in the previous steps.
7. Before reconnecting the mounting bracket, apply control power
to the unit and ensure the UPS is programmed for AS400
communication protocol. Refer to the manual that comes with
the UPS for instructions.
8. Once this has been confirmed, install the mounting bracket.