2.3.3 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
Use this procedure to release the holding brakes with the internal brake release
unit.
NoteAction
xx0400001255
The internal brake release unit is located at the base
of the robot and equipped with six buttons for con-
trolling the axes brakes. The buttons are numbered
according to the numbers of the axes.
1
DANGER
When releasing the holding brakes, the robot axes
may move very quickly and sometimes in unexpected
ways!
Make sure no personnel is near or beneath the robot
arm!
2
Release the holding brake on a particular robot axis
by pressing the corresponding button on the internal
brake release panel and keeping it depressed.
3
The brake will function again as soon as the button is
released.
Continues on next page
66 Product manual - IRB 1600/1660
3HAC026660-001 Revision: W
© Copyright 2006-2018 ABB. All rights reserved.
2 Installation and commissioning
2.3.3 Manually releasing the brakes
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