Datasheet

G9SE
6
Application Examples
Application Overview
 Immediately removes power to Motor M when Emergency Stop Switch S1 is pressed.
 The power to Motor M is kept removed until Emergency Stop Switch S1 is released and Reset Switch S2 is pressed.
Evaluation example
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.
Wiring Example
PL/safety category Model Stop category Reset
PLe/4 equivalent
Emergency stop pushbutton: A22E-M-02 (2NC contact)
Push Button Switch (from Annex C of ISO 13849-1)
Safety Relay Unit: G9SE-201
Contactor of rated load (from Annex C of ISO 13849-1)
0 Manual
A1
A2
T11 T12 T32T33 13 23
14 24T21 T22
T31
X1
KM1 KM2
24V
PLC etc.
S1
KM2
KM1
Feedback loop
S2
M
KM2
KM1
Power
supply
circuit
Safety
Input 1
Safety
Input 2
Reset/
Feedback
Input
Auxiliary
output
Safety
Output
(instan-
taneous)
Timing Chart
Device
S1: Emergency stop switch
S2: Reset switch
KM1, KM2: Contactor
M: 3-phase motor
Emergency stop switch S1
KM1, KM2 NC contact
KM1, KM2 NO contact
Reset switch S2
Emergency stop
switch operation