Operating Instructions Chapter 5
C4000 Micro/Basic/Basic Plus/Eco
8009423/YT79/2016-03-14 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 29
Subject to change without notice
Electrical installation
5 Electrical installation
Switch the entire machine/system off line!
The machine/system could unintentionally start up while you are connecting the devices.
⋅ Ensure that the entire machine/system is disconnected during the electrical installa-
tion.
Ensure that downstream contactors are monitored!
Downstream contactors must be positively guided and monitored (see section 5.4 “Exter-
nal device monitoring (EDM)” on page 33)!
Connect OSSD1 and OSSD2 separately!
You are not allowed to connect OSSD1 and OSSD2 together, otherwise signal safety will
not be ensured.
⋅ Ensure that the machine controller processes the two signals separately.
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WARNING