Datasheet

G9SE
8
Application Overview
 Immediately removes power to Motor M when Limit Switch S1 and Guard Lock Safety Door Switch S2 detect the opening of the Guard.
 The power to Motor M is kept removed until Reset Switch S3 is pressed.
 When the NC contacts on both KM1 and KM2 are closed and the lock release signal is input, the Guard can be opened while Lock Release
Switch S4 is pressed.
 The power to Motor M is kept removed until the Guard is closed and locked and Reset Switch S3 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
Safety Limit Switch :D4N-@@20
Guard Lock Safety Door Switch:D4SL-N@@@A-@(Mechanical lock)
Push Button Switch(from Annex C of ISO 13849-1)
Safety Relay Unit :G9SE-221-T05
Contactor of rated load (from Annex C of ISO 13849-1)
1 Manual
A1
A2
T11 T12 T32T33 13 23
14 24T21 T22
T31
X1
24V
PLC etc.
M
KM2
KM1
37 47
38 48
KM1 KM2
KM2
KM1
S3
14
Motor controller
Motor controller
(Operation command)
S2
OPEN
S4
S1
KM2
KM1
Guard
Stop signal
Feedback loop
Lock
release
signal
Power
supply
circuit
Safety
Input 1
Safety
Input 2
Reset/
Feedback
Input
Auxiliary
output
Safety
Output
(instan-
taneous)
Safety
Output
(OFF-
delay)
Timing Chart
Device
S1: Safety limit switch
S2: Guard lock safety door switch (Mechanical Lock)
S3: Reset switch
KM1, KM2: Contactor
M: 3-phase motor
Guard lock safety door
switch S2
Operation command
KM1, KM2 NC contact
KM1, KM2 NO contact
Reset switch S3
Safety limit switch S1
OFF-delay time
Rotation of motor
Lock release signal
Lock release switch S4
Stop signal
Guard closed opened
Guard can be opened.