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Application Examples
G9SA-301 (24 VAC/VDC) with 2-channel Limit Switch Input/Auto-reset
Open
TH
SA
Note: This circuit achieves Safety Category 4.
G9SA-301 (24 VAC/VDC) with 2-channel Limit Switch Input/Manual Reset
Open
TH
SA
Note: This circuit achieves Safety Category 4.
Feedback loop
Control
circuit
Feedback loop
Control
circuit
Timing Chart
Limit switches
S1 and S2
K1 and K2 (NC)
K1 and K2 (NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
S1: Safety Limit Switch
with direct opening mechanism (NC)
(D4B-N, D4N, D4F)
S2: Limit switch (NO)
KM1 and KM2: Magnetic Contactor
M: 3-phase motor
Timing Chart
Limit switches
S1 and S2
Reset switch S3
K1 and K2 (NC)
K1 and K2 (NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
PLC input
PLC output
KM3
S1: Safety Limit Switch
with direct opening mechanism (NC)
(D4B-N, D4N, D4F)
S2: Limit switch (NO)
S3: Reset switch
KM1 and KM2: Magnetic Contactor
KM3: G3J Solid-state Contactor (G3J)
M: 3-phase motor
G9SA
7
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