
Operating Instructions
Chapter
6
UE 440/470
8 010 432/P097/14-03-05
© SICK AG • Industrial Safety Systems • Germany • All rights reserved
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Electrical installation
6
Electrical installation
Switch the entire machine/system off line!
The system could start up unexpectedly while you are connecting the devices.
Ensure that the entire system is de-energised during the electrical installation.
Connect OSSDs separately!
To ensure that the signals are safe, 02.0 and 02.1 or 02.2 and 02.3 are to be connected
separately to the machine controller and the machine controller must process the two
signals separately. 02.0 and 02.1 or 02.2 and 02.3 must not be connected together.
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The safety controller UE 440/470 fulfils the EMC requirements for industrial use.
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To ensure the necessary electromagnetic compatibility (EMC), functional earthing (FE)
must be connected.
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The control cabinet or assembly casing of the UE 440/470 must at least comply with
enclosure rating IP 54.
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You must connect the UE 440/470 to the same voltage supply as the connected
protective devices.
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The voltage supply of the devices must be capable of buffering brief mains voltage
failures of 20 ms as specified in EN 60 204-1.
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The cables of a connected reset button must be laid in separate sheathing lines.
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All connected pick-ups and downstream controllers and wiring/installation must
correspond to the required category in accordance with EN 954-1 (e.g. protected
installation, single sheath line with shielding etc.)
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The OSSDs and the monitoring of the motor contactors (EDM) shall be preformed inside
the control cabinet.
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For sensors and input devices not requiring shielding due to their construction
(e.g. safety switch, emergency stop, bypass etc.), shielding in the cable may not be
connected to the FE of the UE440/470.
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ATTENTION
Notes