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Operating Instructions
L4000 system
5
Electrical installation
WARNING
Notes
WARNING
WARNING
WARNING
8010009/1HGT/2022-11-21
Subject to change without notice
Electrical installation
5.1
Important notes on installation
Switch the entire machine/system off line!
The machine/system could inadvertently start up while you are
connecting the device.
Ensure that the entire machine/system is powered down during
the electrical installation.
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. Suitable power supplies are available as accessories
from SICK (Siemens type series 6 EP 1).
Only copper with a temperature resistance of 75 °C is allowed to
be used for wiring.
The screws for the connection terminals must be tightened with a
tightening torque of 0.6–0.8 Nm.
For use in accordance with cULus -requirements, a power supply
rated as suitable "for use in class 2 circuits" must be used. Current
flow must be limited to 8 A!
Separate plastic-sheathed cables outside the control cabinet!
Outside the control cabinet, sender and receiver cables are to be run
in separate plastic-sheathed cables.
Connect OSSD 1 and OSSD 2 separately!
To ensure safety signal integrity, OSSD 1 and OSSD 2 are to be
connected separately to the machine controller and the controller
must process both signals separately. OSSD 1 and OSSD 2 must not
be connected together.
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
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