g9sa-th301 Omron Corporation, g9sa-th301 Datasheet - Page 7

• Manufacturer Part Number: g9sa-th301
• Description: Safety Relay Unit
• Manufacturer: Omron Corporation

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