Required documents
Note
Article number
Document
3HAC074000-008
Circuit diagram - OmniCore
V250XT
Removing the safety digital base device
Preparations
Note/Illustration
Action
DANGER
Before doing any work inside the cabinet,
disconnect the mains power. For more
information, see
1
.
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
3
xx2100000318
Removing the safety digital base device
Note/Illustration
Action
Disconnect:
•
K5.1.X5/K3.1.X5 - A2.X4/K4.X7
Note
If the Ethernet extension switch is
installed, connect and disconnect
the connector K5.1.X5/K3.1.X5
to/from K4.X7.
If the Ethernet extension switch is
not installed, connect and discon-
nect the connector
K5.1.X5/K3.1.X5 to/from A2.X4.
•
K5.1.X4 - K2.X3
•
The harness connected to I/O unit
by customer.
1
Continues on next page
Product manual - OmniCore V250XT
223
3HAC073447-001 Revision: B
© Copyright 2020-2022 ABB. All rights reserved.
5 Repair
5.2.7 Replacing the safety digital base device
Continued
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