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G9SB-200-D (24 VAC/VDC) or G9SB-301-D (24 VAC/VDC) with 2-channel Safety Area Sensor/Manual-reset
Emitter
Note: This circuit conforms to EN954-1 Safety Category 4.
G-126
F3SN-A
F3SH-A
RS-485(A) (Gray)
RS-485(B) (Pink)
S1
E1
A1 A2
T21
T11
T12
T22
T31
+ -
TH
K1
K2
K2
a
Control
SA
circuit
K1
a
K2
Receiver
Timing Chart
F3SN-A: Incident
Reset switch S1
K1 and K2 (NC)
K1 and K2 (NO)
KM1 and KM2 (NC)
KM1 and KM2 (NO)
Feedback loop
Note: Output turns ON with the rising edge of re-
set switch S1, but will not operate if there is
KM1
a short breakdown in S1.
KM2
F3SN-A:
S1:
KM1 and KM2: Magnetic Contactor
M:
E1:
*
*
T32
13
23
33
41
K1
K1
KM1
K2
KM2
14
24
34
42
*
*
See note.
KM1 KM2
Interrupted
Safety Area Sensor
Reset switch
3-phase motor
24-VDC power supply
Note: Only the G9SB-301-D
model has terminals
33-34 and 41-42.
M
Safety Sensors / Components
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