ABB IRB 6600 - 175/2.55 User Manual page 575

Removal
The procedure below details how to remove an I/O or gateway board.
Please observe the following before commencing any repair work on the controller:
Turn off all electric power supply to the cabinet!
Many components inside the cabinet are sensitive to ESD (ElectroStatic Discharge) and will
be destroyed if subjected to it! Before handling, make sure you are connected to earth through
a special ESD wrist bracelet or similar.
Step Action
Refitting The procedure below details how to refit an I/O or gateway board.
Please observe the following before commencing any repair work on the controller:
Turn off all electric power supply to the cabinet!
Many components inside the cabinet are sensitive to ESD (ElectroStatic Discharge) and will
be destroyed if subjected to it! Before handling, make sure you are connected to earth through
a special ESD wrist bracelet or similar.
Step Action
3HAC 16247-1
1. Disconnect any connectors from the unit.
Note which connector goes where, to facil-
itate reassembly.
2. Lift the unit until the upper claw, that holds
the unit to the rail, is released. Use:
• a screwdriver when replacing I/O
units (position 2a in the figure).
• by hand when replacing a gateway
unit (position 2b in the figure).
3. With the upper claw released, tip the unit
away from the mounting rail and remove it
(positions 3a and 3b in the figure).
1. Hook the unit back onto the mounting rail and snap it gently
in position.
2. Reconnect all connectors disconnected during removal.
A
4 Repair activities, controller cabinet
4.1.2 Replacement of I/O and gateway units
Note/Illustration
The actual number of connectors vary
depending on type of unit.
2a
1
2b
1
xx0200000010
3a
3b
Note/Illustration
159