ABB IRB 6600 - 175/2.55 User Manual page 246

4 On-site Installation
4.1.4 Manually releasing the brakes
4.1.4 Manually releasing the brakes
General
The section below details how to release the holding brakes of each axis motor. It applies to
IRB 7600 as well as IRB 6600/6650. Differences between the versions are highlighted in the
affected sections.
The brakes may be released by:
Supplying power on the wrong pins may cause all brakes on the manipulator to be released!
Illustration, IRB The internal brake release unit on the IRB 6600/6650 is located at the frame, as shown in the
6600/6650
figure below.
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44
• Internal brake release unit: using push buttons on the manipulator. This requires either
that the controller is connected or that power is supplied to the R1.MP connector (on
manipulator base), 0V on pin 12 and 24V on pin 11.
• IRB 7600: External brake release unit: using push-buttons on an external brake
release unit. This does NOT require the controller to be connected. The external unit
is used when there are no push-buttons on the manipulator.
Internal brake release unit with push buttons, located on the manipulator frame
A 3HAC 16245-1