Required documents
NoteArticle numberDocument
3HAC074000-008Circuit diagram - OmniCore
V250XT
Removing the fieldbus master
Note
The fieldbus master is part of an assembly group, secured on a process plate.
To remove the fieldbus master, either lift out the assembly group and then remove
the fieldbus master, or take out the parts on top of the main computer and then
remove 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 28.
1
Opening the door on page 176.Open the door.2
Location of wrist strap button:
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.
3
xx2100000318
Removing the main computer assembly
Note/IllustrationAction
Disconnect all the connectors on the as-
sembly group of the robot signal ex-
change proxy, Ethernet switch (option),
connected services gateway, and main
computer.
1
Continues on next page
Product manual - OmniCore V250XT 269
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
5 Repair
5.2.12 Replacing the fieldbus master
Continued
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