Manually Releasing The Brakes - ABB IRB 4400 - 45 Product Manual

2 Installation and commissioning

2.3.2. Manually releasing the brakes

2.3.2. 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:
When releasing the holding brakes, the manipulator axes may move very quickly and
sometimes in unexpected ways! Make sure no personnel is near the manipulator arm!
Using the pushbutton when the robot is connected to the controller
The procedure below details how to release the holding brakes with pushbuttons, when the
robot is connected to the controller.
54
•
using the pushbutton when the robot is connected to the controller.
•
using the pushbutton on the robot with an external power supply.
•
using an external voltage supply directly on the respective brake.
Action
1. The internal brake release unit is located at
the base of the robot.
Info/Illustration
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The brake release unit is equipped
with six buttons for controlling the axes
brakes. The buttons are numbered
according to the numbers of the axes.
Continues on next page
3HAC022032-001 Revision: E