Note
Action
xx1900000252
Release the holding brake of all axes by pressing
the brake release button.
The brake will function again as soon as the button
is released.
WARNING
Pressing the brake release button will release the
holding brakes on all axes simultaneously.
3
Supplying power to connector R1.MP
If the robot is not connected to the controller, power must be supplied to connector
R1.MP on the robot, in order to enable the brake release buttons.
Note
Action
DANGER
Incorrect connections, such as supplying power
to the wrong pin, may cause all brakes to be
released simultaneously and instantly!
1
24
+24V
(11)
0V
(12)
1
21
4
xx2000000686
Supply
•
0V on pin 12.
•
24V on pin 11.
Note
Do not interchange the 24V and 0V pins.
If they are mixed up, damage can be caused to
internal electrical components.
2
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Product manual - IRB 390
69
3HAC066566-001 Revision: B
© Copyright 2020 - 2021 ABB. All rights reserved.
3 Installation and commissioning
3.3.7 Manually releasing the brakes
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