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Operating Instructions
Chapter
5
C 4000
34
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SICK AG • Safety Systems • Germany • All rights reserved
8 009 221/16-11-00
Electrical installation
5.5
Reset button/restart button
In the operating mode protective operation with internal restart interlock (see page 13) the
operator must first press the reset/restart button before restarting.
WARNING
Select the correct installation site for the reset button!
Install the reset button outside the hazardous area such that it cannot be operated from
inside the hazardous area. When operating the reset button, the operator must be able to
oversee the entire hazardous area.
Fig. 27: Connecting the reset
button/restart button
WARNING
Reconfiguration after device replacement!
If you replace a safety light curtain with active reset function with a replacement unit, the
reset function must again be activated via the software. It is not sufficient to make the elec-
trical connections, because new devices are supplied ex factory with deactivated reset
function.
System plug
Pin 5
24 V
Reset/restart button