Omron F3SG series User Manual page 58

System Operation and Functions
function ensures safety for an operator working in the hazardous zone by adding another reset switch
(pre-reset switch) in the hazardous zone.
If the Pre-Reset function is enabled, an operator can work in the hazardous zone and press the pre-
reset switch installed in the hazardous zone, pass the light curtain, and press the reset switch to
restart the machine.
Shown below is overview of restarting the machine using the Pre-Reset.
1.Press the Pre-Reset switch (Input PRE-RESET signal)
2.Pass and interrupt F3SG-RA
3.Press the Reset switch to restart the system (Input RESET signal)
F3SG-R
Reset Switch
Refer to 2-1. Combination of Functions for more information on the use in conjunction with other functions.
<Basic wiring diagram >
• Auto or Manual Reset mode
+24 VDC
Power supply
0 VDC
F3SG-R
34
User's Manual
Hazardous area
Operator
2.
3.
1.
Pre-reset Switch
PNP output
F39-JG A-D
S1
S1: Lockout/Interlock Reset Switch
NPN output
F39-JG A-D
+24 VDC
S1
Power supply
0 VDC
S1: Lockout/Interlock Reset Switch