NoteAction
Release the holding brake on a particular
axis by pressing the corresponding button
on the push-button unit and keeping it
depressed.
3
The brake will function again as soon as
the button is released.
4
Using the push-button on the robot with an external power supply
This procedure details how to release the holding brakes with the push-buttons,
when the robot is not connected to the controller.
NoteAction
xx0300000200
Connect an external 24VDC power supply to
the connector R1.MP on the robot base, as
shown in the figure to the right.
Note! Be careful not to interchange the 24V
and 0V pins.
If they are mixed up, damage can be caused
to the brake release unit and the intergrated
quenching circuits.
xx0200000022
DANGER!
Incorrect connections can cause all brakes
to be released simultaneously!
1
Connect to connector R1.MP:
• 0V: pin B14 or B15
• +24V: pin B16
The brake release unit is equipped with
six buttons for controlling the axes
brakes. The buttons are numbered accord-
ing to the numbers of the axes.
Release the holding brake on a particular
axis by pressing the corresponding button
on the push-button unit and keeping it de-
pressed.
2
See the previous figure.
The brake will function again as soon as the
button is released.
3
Continues on next page
Product manual - IRB 4400 63
3HAC022032-001 Revision: Q
© Copyright 2004-2018 ABB. All rights reserved.
2 Installation and commissioning
2.4.2 Manually releasing the brakes
Continued
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