Note/IllustrationAction
xx1900001910
Remove the attachment screw on the
fieldbus master and take out the fieldbus
master.
Note
Be careful when you pull it out from the
card slot.
3
Note
The Connected Services Gateway and Ether-
net extension switch are omitted on the illus-
tration to make it more clear.
Refitting the fieldbus master
Preparations
Note/IllustrationAction
DANGER
Before doing any work inside the cabinet,
disconnect the mains power. For more
information, see Electrical safety on
page 31.
1
xx1900001446
ELECTROSTATIC DISCHARGE
(ESD)
The unit is sensitive to ESD. Before
handling the unit read the safety inform-
ation in section The unit is sensitive to
ESD on page 43.
2
Continues on next page
Product manual - OmniCore C90XT 271
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
5 Repair
5.2.12 Replacing the fieldbus master
Continued
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