Omron G9SX Series - Page 37

37
G9SX-GS
Application Examples
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 1
1. When the emergency stop switch S1 is pressed.
• The power supply to the motor M1 and M2 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 one of the safety light curtains 1 and 2 is unblocked and the reset switch S2 is pressed while
the emergency stop switch S1 is released.
2. When the operator and robot block the beams at the same time.
• The power supply to the motor M2 is turned OFF immediately when both beams are blocked. (The power supply to the motor M1 is kept ON.)
• The power supply to the motor M2 is kept OFF until one of the safety light curtains 1 and 2 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 Light Curtain F3SJ-B/F3SJ-E/F3SJ-A
Flexible Safety Unit G9SX-GS226-T15
M1, M2: 0
Emergency Stop: Manual
Safety Light Curtain: Auto
S2
+24 V
+24 V
+24 V+24 V +24 V
+24 V
Open
Open
(See
note 1.)
(See note 2.) (See note 2.)
(See
note 1.)
OpenOpen Open OpenOpen Open
G9SX-BC202 (Unit 1)
Control circuit
G9SX-GS226-T15 (Unit 2)
Receiver Emitter Receiver Emitter
+24 V
M2
KM4
KM3
Auto
Manual
OFF
AND
T42 T41 T33 T32 T31
Y4 Y2
T72 T71 T62
T61
M2 M1 Y3 Y1 T22 T21 T12 T11 A1
KM3
KM4
Control circuit
PLC etc.
UB
UA X4 X3 X2 X1 L1
KM4 KM3
S54 S44 S24 S14 A2
M1
KM1
KM2
KM2
KM1
Y1
T33 T32 T31 T22
A1 T11 T12 T21
Emergency
stop switch
X2 X1 L2 L1
S14 S24
KM1 KM2
A2
PLC etc.
Safety Light Curtain 1 Safety Light Curtain 2
Feedback loop
Feedback Loop
Indicator
(Diagnostic
check disabled)
Indicator
(Diagnostic
check enabled)
Control output 2 Control output 1 Control output 1 Control output 2
S1
Note: 1. Diagnostic checks of the external indicators connected to external indicator
outputs UA and UB can be switched with Y3 and Y4, respectively.
2. Use safety light curtains with PNP control outputs.
Application Examples
Emergency Stop Switch
Safety Light Curtain 1
Safety Light Curtain 2
S1: Emergency stop switch
S2: Reset switch
KM1 to KM4: Magnetic contactors
M1 and M2: Motors