Omron G9SA Series Manual page 7

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
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
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Feedback loop
Off delay Control
timer circuit
Note: This circuit achieves EN954-1 Safety Category 4.
The OFF-delay output, however, achieves EN954-1
Safety Category 3.
Operation
instruction
Motor controller
(c)Copyright OMRON Corporation 2007 All Rights Reserved.
G9SA
6