G9SA

10

G9SA-301 (24 VAC/VDC) with 2-channel Emergency Stop Switch Input/Manual Reset

Note: The above PL is only the evaluation result of the example. The PL must be evaluated in an actual application by the customer after confirming the usage conditions.

●Application Overview

• The power supply to the motor M is turned OFF when the emergency stop switch is pressed.

• The power supply to the motor M is kept OFF until the reset switch S2 is pressed while the emergency stop switch is released.

PL/safety category

Model

Stop category

Reset

PLe/4 equivalent

Emergency Stop Switch A165E/A22E

Safety Relay Unit G9SA-301 24 VAC/VDC

0

Manual

Feedback loop

Timing Chart

PLC input

PLC output

KM3

Emergency

stop switch S1

Reset switch

S2

K1 and K2

(NC)

K1 and K2

(NO)

KM1 and KM2

(NC)

KM1 and KM2

(NO)

S1:

Emergency stop switch

with direct opening mechanism

(A165E or A22E)

S2:

Reset switch

KM1 and KM2: Magnetic Contactor

KM3:

G3J Solid-state Contactor (G3J)

M:

3-phase motor

Control

circuit

TH

SA