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2092-IN001C-EN-P — July 2004

Supersedes Publication 2092-IN001B-EN-P July 2004

For more information refer to our web site:

For Rockwell Automation Technical Support information refer to: www.ab.com/support or Tel: (1) 440.646.5800

Allen-Bradley is a registered trademark of Rockwell Automation, Inc.

Ultra1500 and Ultraware are trademarks of Rockwell Automation, Inc.

To install a new battery, or replace an existing battery, perform the following steps:
1.

For a new installation or if a battery low voltage fault has occurred, remove main and control AC

power from the drive. Otherwise, if this is a maintenance update or if a battery low voltage

warning

has occurred, remove only the main AC power but retain the control AC power so that

the absolute position of the motor is not lost when the existing battery is disconnected.

Open the BATT compartment door. See Figure 1 for location. If the battery needs to be removed,

disconnect battery by carefully pulling downward on the connector. Slightly raise the BATT door

for clearance, and slide battery out of the drive.

Note: Pressure is best applied to both sides of the connector. A needle nose plier or similar tool

can be used to apply pressure.

Identify the polarity of the new battery and its connector as shown in Figure 1, and then slide the

battery into the drive.

Affix the connector as shown in Figure 1, and close the BATT compartment door.

If this is a new installation, make sure that the Encoder Backup Battery parameter is set to

INSTALLED (in the Encoders window [Ultra1500] of Ultraware

v1.60 or higher).

If this is a new installation or if a battery low voltage fault occurred, the axis must be homed to

establish the absolute reference position for motion.

ATTENTION

To avoid hazard of electrical shock, verify that all voltage on the DC bus

capacitors has been discharged before attempting to service, repair, or remove this

unit. This product connects to stored energy devices. You should only attempt the

procedures in this document if you are qualified to do so and familiar with

solid-state control equipment and the safety procedures in publication NFPA 70E.