SICK UE402 - Electrical installation; Connections of the UE402

Operating Instructions Chapter 5
UE402
8009874/YT67/2016-02-22 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 23
Subject to change without notice
Electrical installation
5 Electrical installation
S
witch the entire machine/system off line!
The machine/system could inadvertently start up while you are connecting the unit.
 Make sure that the entire machine/system is disconnected during the electrical
i
nstallation.
 The UE402 meets the interference suppression requirements (EMC) for industrial use
(interference suppression class A). When used in residential areas it can cause inter-
ference.
 The control cabinet or assembly housing of the UE402 must at least comply with
enclosure rating IP 54.
 You must connect the UE402 to the same external voltage supply as the safety light
curtain.
 The external voltage supply of the device must be capable of buffering brief mains
voltage failures of 20 ms as specified in EN 60204-1. Suitable power supplies are
available as accessories from SICK (Siemens type series 6 EP 1).
 If the signal transmitters (e.g. operating mode selector switch, teach-in key-operated
switch, etc.) are mounted in control panels outside the installation, you must protect the
corresponding connecting cables from short and cross-circuiting, e.g. by installing them
in suitable cable conduits.
5.1 Connections of the UE402

WARNING
Notes
Fig.
7
:
Connections of
the UE402
1 2 3 4
5 6 7 8
9
10
12
11
13
14
16
15
Terminal strip I
Terminal strip II
Terminal strip III
Terminal strip IV
