ABB IRB 4400 - 45 Product Manual page 58

2 Installation and commissioning
2.3.2. Manually releasing the brakes
Continued
Using an external voltage supply directly on the respective brake
The procedure below details how to release the holding brake of a specific axis by supplying
external voltage directly on the brake.
56
Action
1. Every axis has a holding brake built into the axis
motor. This holding brake may be released by
connecting 24VDC power supply directly to one of the
connectors in the motor.
Danger!
DANGER!
When power is connected directly to the brake
cable, the brake will be released immediately
when the power is switched.
This may cause some unexpected robot
movements!
Note/Illustration
Make the connection to
current motor according to
the Circuit Diagram.
See chapter Circuit diagram
in the Product manual,
reference information.
3HAC022032-001 Revision: E