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G9SA-301 (24 VAC/VDC) with 2-channel Safety Area Sensor/Manual-reset
Emitter
G-116
Receiver
F3SN-A
F3SH-A
RS-485(A) (Gray)
RS-485(B) (Pink)
E1
Timing Chart
F3SN-A Incident
Interrupted
Reset switch S1
K1 and K2
(NC)
K1 and K2
(NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
PC input
PC output
KM3
F3SN-A:
Safety area sensor
S1:
Reset switch
KM1 and KM2: Magnetic Contactor
KM3:
Solid-state Contactor
M:
3-phase motor
E1:
24-VDC Power Supply
Note: This circuit achieves EN954-1
Safety Category 4.
Feedback loop
Control
circuit
Safety Sensors / Components
KM3
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