Basic Unit
G9SX-BC
Logical AND
connection
1. Emergency
Stop Switch
A22E
1. Emergency
Stop Switch
2. Safety
Light Curtain A
3. Safety Light
Curtain B
Safety Light
Curtain
F3SJ
Safety Light
Curtain
F3SJ
Safety Guard
Switching Unit
G9SX-GS
Safety Output
Auxiliary Output
The auxiliary output
can be used to
notify operators of
the input, output, or
error status.
External Indicator
Output
The external indicator
output can be used to
notify operators of Safety
Light Curtains that may
safely be interrupted.
Note: External indicator output may be used as necessary.
Robot
Contactor
External
indicator A
External
indicator B
Programmable
Controllers
CS/CJ Series
2. Safety Light Curtain A 3. Safety Light Curtain B
Auto Switching Function
3
4
Welding robot
Emergency
Stop Switch
Conveying robot
Welding robot
Emergency
Stop Switch
Hazardous condition
Not OK
to work
Not OK
to work
OFF
Safety Light
Curtain A
Safety Light Curtain B
Safety Light
Curtain A
Safety Light Curtain B
Moni-
toring
Conveying robot
Working condition
External
indicator
OK to work
Welding robot
Emergency
Stop Switch
Conveying robot
Welding robot
Emergency
Stop Switch
Conveying robot
1
Normal operation
OK to work
Safety Light
Curtain A
Safety Light Curtain B
Safety Light
Curtain A
Safety Light Curtain B
Moni-
toring
G9SX-GS
Safety input Safety output Monitor output
External indicator
Safety input A
Safety input B
Safety output
ON
ON
ON
Input A
monitor
Input B
monitor
ON
ON
Input A
monitor
Input B
monitor
ON
OFF
Input A
monitor
Input B
monitor
OFF
ON
Input A
monitor
Input B
monitor
OFF
OFF
Safety input A
Safety input B
Safety output
OFF
ON
ON
Safety input A
Safety input B
Safety output
ON
ON
OFF
Safety input A
Safety input B
Safety output
OFF
OFF
OFF
Indicator A
Indicator B
Indicator A
Indicator B
Indicator A
Indicator B
Indicator A
Indicator B
2
Auto switching
Emergency Stop Switch
Safety Light Curtain A
Safety Light Curtain B
When pressed, processing will stop.
When both are interrupted simultaneously, processing will stop.
When the operator inserts the workpiece... While the robot processes the workpiece...
Note: If the operator is able to completely enter the zone inside Safety Light Curtain B, a presence detection device, such as a Safety Mat, is
necessary as an additional safety measure.
Auto
switch-
ing
Safety Light Curtain A
monitors the robot.
The robot can continue
to operate as long as it
does not interrupt Safety
Light Curtain A.
Safety Light Curtain B
monitors the operator.
The robot can continue
to operate as long as the
operator does not
interrupt Safety Light
Curtain B.
Safety Light Curtain B
Safety Light Curtain A
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