5. Safety-related function
60
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i. -|Transparent setting guide|-
Order Example of operation
(
●
: ON,
●
: OFF)
①
Hazardous zone
Safety zone
L
D3
Emitter
Receiver
S1
S2
S3
S4
D1
D2
Workpiece
V
V
●
(OFF)
●
(OFF)
●
(OFF)
●
(OFF)
Connect the outputs of muting sensors (S1, S4) to mute 1 input.
Connect the outputs of muting sensors (S2, S3) to mute 2 input.
All muting sensors (S1 - S4) are in OFF state before the workpiece passes.
Muting is deactivated but the sensing function is activated.
Mute 1 input
●
S1
●
S4
●
Mute 2 input
●
S2
●
S3
●
②
Hazardous zone
Safety zone
Workpiece
Emitter
Receiver
S1
S2
S3
S4
V
●
(OFF)
●
(OFF)
●
(ON)
●
(ON)
The muting sensors (S1, S2) detect the workpiece and outputs go to ON state in
order and muting begins. The sensing function is deactivated.
Even if the beams of muting zone are blocked, the OSSD output maintains ON.
Mute 1 input
●
S1
●
S4
●
Mute 2 input
●
S2
●
S3
●
③
Hazardous zone
Safety zone
Emitter
Receiver
S1
S2
S3
S4
V
Workpiece
●
(OFF)
●
(OFF)
●
(ON)
●
(ON)
The muting sensors (S3, S4) are switched to ON state even if the muting sensors
(S1, S2) are in OFF state, the OSSD output maintains ON state.
The sensing function is deactivated.
Mute 1 input
●
S1
●
S4
●
Mute 2 input
●
S2
●
S3
●
