Battery pack (2-pole battery contact)D1
Battery pack (3-pole battery contact)D2
SMB/BU boxE
Connection point, battery cableF
SMB (Serial measurement board)G
BU unit (Brake release unit)H
Required equipment
Note
There are two variants of SMB units and batteries. One with 2-pole battery contact
and one with 3-pole battery contact. The variant with the 3-pole battery contact
has longer lifetime for the battery.
It is important that the SMB unit uses the correct battery. Make sure to order the
correct spare parts. Do not replace the battery contact!
NoteSpare part no.Equipment, etc.
Battery includes protection circuits. Only re-
place with a specified spare part or an ABB-
approved equivalent.
For spare part no.
see:
• Spare part
lists on
page 351
Battery pack
Content is defined in section Standard tools
on page 346.
-Standard toolkit
See chapter Circuit diagram on page 353.-Circuit diagram
Removing, battery
Use this procedure to remove the SMB battery.
NoteAction
This is done in order to facilitate
updating of the revolution counter.
Move the robot to its calibration position.1
DANGER
Turn off all:
• electric power supply
• hydraulic pressure supply
• air pressure supply
to the robot, before entering the robot working area.
2
Continues on next page
170 Product manual - IRB 6620
3HAC027151-001 Revision: T
© Copyright 2006-2018 ABB. All rights reserved.
3 Maintenance
3.4.8 Replacing the SMB battery
Continued
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