Omron F3SG series User Manual page 89

 Wiring diagram
PNP output
+24 VDC
Power supply
0 VDC
S1, S2: Muting sensor
 Installation Example of Position Detection Muting Mode
Shown below is an installation example of position detection muting mode.
This is an application that places a workpiece on a machine's turntable surrounded by guard fence.
When hazardous part of the machine is on the opposite side of a human body, safety function of
F3SG-RA can be disabled so that an operator should be able to place a workpiece on the turntable.
1. Hazardous part of the machine is on the same side of a human body
Limit switch 2
(N.C. Contact)
24 V or 0 V
The safety functions of the F3SG-RA is activated with the limit switch 1 being in the OFF state and the
limit switch 2 in the ON state.
F39-JG A-D
S1
F3SG-RA
Worktable
Robot arm
Limit switch1
table
(N.O. Contact)
System Operation and Functions
NPN output
+24 VDC
Power supply
S1
0 VDC
S1, S2: Muting sensor
Guard fence
Under normal operation
OFF: To muting input A
ON: To muting input B
F39-JG A-D
F3SG-R
User's Manual
E
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