4 Safety Function Blocks
4 - 84
NX-series Safety Control Unit Instructions Reference Manual (Z931)
SF_MutingPar_2Sensor Instruction Application Example with Two Reflective
Light Barriers
Order Diagram Description
1 If reflection light barriers are used as muting
sensors, they are generally arranged diago-
nally. In general, this arrangement of reflec-
tion light barriers as muting sensors requires
only two light barriers, and only
S_MutingSwitch11 (MS_11) and
S_MutingSwitch12 (MS_12) are allocated.
MS_11
MS_12 Receiver
Transmitter
Danger
zone
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