Omron G9SX Series Manual page 42

Highest achievable PL/
safety category
Emergency Stop Switch A165E/A22E
Flexible Safety Unit G9SX-BC202
Safety Limit Switch D4B-N/D4N/D4F
PLe/4 equivalent Guard Lock Safety-door Switch D4NS/D4GS-N/D4BS
Safety Key Selector Switch A22TK
Flexible Safety Unit G9SX-GS226-T15
Flexible Safety Unit G9SX-AD322-T15
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 3
1. When the emergency stop switch S1 is pressed.
• The power supply to the motor M1, M2, and M3 is turned OFF immediately when the emergency stop switch S1 is pressed.
• The power supply to the motor M1 is kept OFF until the reset switch S2 is pressed while the emergency stop switch S1 is released.
• The power supply to the motor M2 is kept OFF until the reset switch S2 and S8 are pressed while the guard 1 is closed and the emergency stop
switch S1 is released.
• The power supply to the motor M3 is kept OFF until the reset switch S2 and S11 are pressed while the guard 2 is closed and the emergency
stop switch S1 is released.
2. When the guard 2 is opened (the emergency stop switch S1 is released).
• The power supply to the motor M3 is turned OFF immediately when the S9 and S10 detect that the guard 2 is opened. (The power supply to
the motor M1 and M2 is kept ON.)
• The power supply to the motor M3 is kept OFF until the guard 2 is closed and the reset switch S11 is pressed.
3-1.Normal operating mode (When the mode M1 of the G9SX-GS is turned ON.)
Normal operating mode (M1 = ON, M2 = OFF) is selected on the selector switch S7. The safety limit switch S3 and S4 to detect the conveyor cart
position are disabled.
• The power supply to the motor M2 is turned OFF immediately when the S5 and S6 detect that the guard 1 is opened. (The power supply to the
motor M1 and M3 is kept ON.)
• The power supply to the motor M2 is kept OFF until the guard 1 is closed and the reset switch S8 is pressed.
3-2.Maintenance mode (When the mode M2 of the G9SX-GS is turned ON.)
Maintenance mode (M1 = OFF, M2 = ON) is selected on the selector switch S7. The S5 and S6 to detect the opening and closing of the guard 1
are disabled.
• The power supply to the motor M2 is turned OFF after the conveyor cart moving away from the safety position and the safety limit switch S3
and S4 being turned OFF. (The power supply to the motor M1 and M3 is kept ON.)
• The power supply to the motor M2 is kept OFF until the reset switch S8 is pressed after the conveyor cart returning to the safety position and
the safety limit switch S3 and S4 being turned ON.
Model
G9SX-GS
Stop category Reset
M1, M2, M3: 0 Manual
42