Datasheet

G9SE
7
Application Overview
 The machine has the opening of the hazardous source which is small enough to prevent a person from entering.
 The Safety Light Curtain is installed at the safe distance from the hazardous source.
 Immediately removes power to Motor M when the Safety Light Curtain detects a finger entering the area.
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 Light Curtain: F3SJ-B
Safety Relay Unit: G9SE-401
Contactor of rated load (from Annex C of ISO 13849-1)
0Auto
A1
A2
T11 T12 T32T33 13 23
14 24
T21 T22
T31
X1
KM1 KM2
24V
PLC etc.
KM4
KM3
Feedback loop
M1
KM2
KM1
33 43
3444
KM3 KM4
M2
KM4
KM3
KM2
KM1
NC
NC
ReceiverEmitter
OSSD1
OSSD2
Safety
sensor
Power
supply
circuit
Safety
Input 1
Safety
Input 2
Reset/
Feedback
Input
Auxiliary
output
Safety
Output
(instan-
taneous)
Timing Chart
Device
Safety sensor
KM1 to KM4: Contactor
M1, M2: 3-phase motor
Safety sensor outputs
KM1 to KM4 NC contact
KM1 to KM4 NO contact