ABB IRC5 Product Manual page 163

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Product manual - IRC5 Panel Mounted Controller
3HAC047137-001 Revision: J
4.7 Replacement of expansion board in the computer unit
Action
ELECTROSTATIC DISCHARGE
(ESD)
The unit is sensitive to ESD. Before hand-
ling the unit please observe the safety in-
formation in section The unit is sensitive
to ESD on page 32
Disconnect any cables to/from the fieldbus
adapter.
Open the computer unit by removing the
attachment screws and lift off the upper
cover. Disconnect the fan connector.
CAUTION
Be careful with the fan cable when opening
and removing the upper cover. The fan
cable must not be stretched.
If there is a fieldbus adapter, remove it.
Remove the attachment screws on the
computer unit.
Grip the expansion board and gently pull
it straight out.
© Copyright 2007-2018 ABB. All rights reserved.
Note/Illustration
xx1300000684
A Attachment screws (4 pcs.)
B Upper cover
See Replacement of fieldbus adapter in
the computer unit on page
A
xx1300000859
A Attachment screws (2 pcs)
CAUTION
Always grip the expansion board around
the edges to avoid damage to the board
or its components.
Continues on next page
4 Repair
Continued
A
B
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