Required tools and equipment
NoteArticle numberEquipment
Content is defined in section
Standard toolkit for controller on
page 417.
-Standard toolkit
-ESD protective wrist band
Required documents
NoteArticle numberDocument
3HAC065464-009Circuit diagram - OmniCore C90XT
Removing the Ethernet extension switch (option)
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
Opening the door on page 174.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
xx1900001446
Removing the Ethernet extension switch (option)
Note/IllustrationAction
Disconnect:
• K2.X2 - K4.X8, A2.X1
• K4.X7 - K5.1.X5
• K4.X6 - A2.X4
1
Continues on next page
Product manual - OmniCore C90XT 199
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
5 Repair
5.2.5 Replacing the Ethernet switch
Continued
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