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G9SA-321-T@ (24 VAC/VDC) with 2-channel Limit Switch Input/Manual Reset
Open
TH
SA
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
M:
3-phase motor
Note: This circuit achieves Safety Category 4.
The OFF-delay output, however, achieves
Safety Category 3.
Timing Chart
Limit switches
S1 and S2
Reset switch
S3
K1 and K2
(NC)
K1 and K2
(NO)
K3 and K4
(NC)
K3 and K4
(NO)
KM1 and KM2
(NC)
KM1 and KM2
(NO)
Operation
instruction
Motor rotation
OFF-delay time
Feedback loop
Off delay
Control
timer
circuit
Operation
instruction
Motor controller
G9SA
9
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