2 Installation and commissioning
2.5.4. Manually releasing the brakes
73
3HAC022033-001 Revision: E
©
Co
py
rig
h
t 200
4 - 20
08 ABB.
All r
ig
h
ts r
e
se
rv
ed
.
Location of brake release unit at frame
The internal brake release unit is located either at the base or at the frame. The figure below
shows the unit located at the frame.
xx0200000376
Releasing the brakes
The procedure below details how to release the holding brakes when the robot is equipped
with an internal brake release unit.
-
Internal brake release unit with push buttons, located on the robot frame
Action
Note
1. The internal brake release unit is equipped with six
buttons for controlling the axes brakes. The buttons are
numbered according to the numbers of the axes.
If the robot is not connected to the controller, power must
be supplied to the connector R1.MP according to section
Supplying power to connector R1.MP on page 74
The buttons are shown in
the figure
release unit at base on page
72
or
release unit at frame on
page 73
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.
Continued
Continues on next page