Operating instructions Chapter 6
S300
8010948/YY96/2016-02-17 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 79
Subject to change without notice
Electrical installation
6 Electrical installation
S
witch the entire machine/system off line!
The machine/system could unintentionally start up while you are connecting the devices.
To prevent an unintentional start, ensure that the entire machine/system is disconnec-
t
ed during the electrical installation.
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.
Downstream contactors must be positively guided and monitored.
Only ever connect one downstream switching element to an OSSD!
Each output signal switching device (OSSD) is only allowed to be connected to one
switching element (e.g. relay or contactor). If several switching elements are required, you
must choose a suitable form of contact duplication.
WARNING
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