Note/IllustrationAction
Connect the adapter cable to the digital
base.
• K5.1.X5 - A2.X4/K4.X7
Note
If the Ethernet extension switch is
installed, connect and disconnect
the connector K5.1.X5 to/from
K4.X7.
If the Ethernet extension switch is
not installed, connect and discon-
nect the connector K5.1.X5 to/from
A2.X4.
• K5.1.X4 - K2.X3
• The harness connected to I/O unit
by customer
4
Installing scalable I/O external devices
For more information about installing, configuring, and using the scalable I/O units,
see Application manual - Scalable I/O.
Note/IllustrationAction
DANGER
Before doing any work inside the cabinet,
disconnect the mains power. For more
information, see Electrical safety on
page 31.
1
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
Prepare the scalable I/O units for external
mounting as described in Application
manual - Scalable I/O.
3
Opening the door on page 174.Open the door.4
Connect the external base device to the
internal base device (X3) or the Ethernet
switch, using an Ethernet cable.
5
Each base device requires its own power
supply.
Connect an external power supply to the
external base units, connector X4.
6
Closing the door on page 174.Close the door.7
Perform the function tests to verify that
the safety features work properly, see
Function tests on page 165.
8
112 Product manual - OmniCore C90XT
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
3 Installation and commissioning
3.7.2 Installing the scalable I/O devices
Continued
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