2.3.2 Manually releasing the brakes
General
The holding brakes of each axis’ motor are of an electromechanical type and are
released when voltage is applied. This section details how to release the brakes,
using the internal brake release unit, in order to enable the axes to move manually.
The brake of each motor can also be released by connecting an external voltage
supply directly on the motor connector, see the circuit diagram or the repair
procedures for each motor (section
Releasing the brakes using the brake release unit
The procedure below details how to release the holding brakes using the internal
brake release unit.
Note/Illustration
Action
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!
1
Detailed in section
If the robot is not connected to the controller,
power must be supplied to the connector
R1.MP.
2
xx0600002697
The internal brake release unit is located at
the base of the robot and equipped with but-
tons for controlling the holding brakes for each
axis separately. The buttons are numbered
according to the numbers of the axes.
To release the brake on a particular robot axis,
push the corresponding button on the internal
brake release panel and keep it depressed.
The brake will function again as soon as the
button is released.
3
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Product manual - IRB 2400
59
3HAC022031-001 Revision: P
© Copyright 2004-2018 ABB. All rights reserved.
2 Installation and commissioning
2.3.2 Manually releasing the brakes
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