2 Installation and commissioning
2.3.2. Manually releasing the brakes
473HAC026660-001 Revision: C
© Copyright 2006-2008 ABB. All rights reserved.
2.3.2. Manually releasing the brakes
General
The section below details how to release the holding brakes of each axis' motor.
This may be done in one of three ways:
• using the brake release unit when the robot is connected to the controller.
• using the brake release unit when the robot is disconnected from the controller, but
connected to an external power supply at the connector R1.MP.
• using an external voltage supply directly on the motor connector.
Using the brake release unit when the robot is connected to the controller
This section details how to release the holding brakes using the internal brake release unit.
Action Note/Illustration
1. The internal brake release unit is located at the base of
the robot and equipped with six buttons for controlling
the axes brakes. The buttons are numbered according
to the numbers of the axes.
xx0400001255
2.
DANGER!
When releasing the holding brakes, the robot axes may
move very quickly and sometimes in unexpected ways!
Make sure no personnel is near the robot arm!
3. Release the holding brake on a particular robot axis by
pressing the corresponding button on the internal
brake release panel and keeping it depressed.
The brake will function again as soon as the button is
released.
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