ABB NEXUS-3 Series User manual

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INSTALLATION AND WIRING
BDS0031 rev 10
NEXUS-3 Series
©ABB 2021 All Rights Reserved.
Subject to change without notice
WWW.CYLON.COM
1
BDS0031 rev 10
INSTALLATION INSTRUCTIONS
Front Side
Bottom Top
Warning: NEXUS-3 can be
powered by a 24 V DC
supply only.
The device will be damaged
if connected to a 24 V AC
power source.
Note: NEXUS-3 requires ASPECT 3.04.02 or
later and cannot be downgraded to
any version prior to this release.
1) Remove the NEXUS-3 from its packaging, and mount it as describe in
Mounting Instruction overleaf
2) Attach the supplied
DB9-to-screw-terminal adapters
to the two COM ports, making
sure that the DB9 connections
are secured with the attached
screws.
Port 2 Port 1
3) Connect an Ethernet cable to
the Primary Ethernet port
Primary
Recovery
Not Used
4) Attach 24 V DC to the Power
Input
The cable from the supplied PSU
to the NEXUS-3 device should be
min 0.5 mm² cross-section (20
AWG), with max length 3 m.

©ABB 2021 All Rights Reserved.
Subject to change without notice
WWW.CYLON.COM
2
BDS0031 rev 10
MOUNTING INSTRUCTIONS
DIN RAIL MOUNTING
Step 1: Decide if the Nexus-3 is to be Edge or Back mounted.
•If it is to be Back mounted, attach the plastic DIN
rail clips to the supplied wall mounting brackets,
and attach the wall mounting brackets to the
Nexus-3 chassis.
•If it is to be Edge mounted, attach the supplied
Edge DIN rail mounting brackets to the Nexus-3
chassis
Step 3: Clip system to the DIN Rail
DIN Rail Edge Mounting DIN Rail Back Mounting
WALL MOUNT
Step 1: Attach the supplied wall mounting brackets to the
Nexus-3 chassis
Step 2: Mark and prepare holes in the surface to which the
device is to be mounted using these brackets as a template
Step 3: Fasten the device to the mounting surface using
suitable wall fixings
For further information on installing and configuring the NEXUS-3 device see
the NEXUS-3 Series Installation manual:
https://share.library.abb.com/api/v4?cid=Root&q=MAN0151