18
G9SX
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 2
1. When the emergency stop switch S1 is pressed.
• The power supply to the motor M1 to M4 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 is 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 is pressed while the guard 2 is closed and the emergency stop switch
S1 is released.
• The power supply to the motor M4 is kept OFF until the reset switch S2 is pressed while the guard 1 and 2 are closed and the safety light curtain
is unblocked and the emergency stop switch S1 is released.
2. When the guard 1 is opened (the emergency stop switch S1 is released).
• The power supply to the motor M2 and M4 is turned OFF immediately when the S3 and S4 detect that the guard 1 is opened.
• The power supply to the motor M2 is kept OFF until the guard 1 is closed.
• The power supply to the motor M4 is kept OFF until the guard 1 and 2 are closed and the safety light curtain is unblocked.
3. When the guard 2 is opened (the emergency stop switch S1 is released).
• The power supply to the motor M3 and M4 is turned OFF immediately when the S5 and S6 detect that the guard 2 is opened.
• The power supply to the motor M3 is kept OFF until the guard 2 is closed.
• The power supply to the motor M4 is kept OFF until the guard 1 and 2 are closed and the safety light curtain is unblocked.
4. When the safety light curtain is blocked (the emergency stop switch S1 is released).
• The power supply to the motor M4 is turned OFF immediately when the safety light curtain is blocked.
• The power supply to the motor M4 is kept OFF until the guard 1 and 2 are closed and the safety light curtain is unblocked.
Highest achievable PL/
safety category
Model Stop category Reset
PLe/4 equivalent
Emergency Stop Switch A165E/A22E
Flexible Safety Unit G9SX-BC202
Safety Limit Switch D4B-N/D4N/D4F
Safety Light Curtain F3SG
Flexible Safety Unit G9SX-AD322-T15
Flexible Safety Unit G9SX-ADA222-T150
M1 to M4: 0
Emergency Stop: Manual
Guard 1, 2: Auto
Safety Light Curtain: Auto
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