Light Curtain Monitoring - Omron G9SP Series Reference Manual

Safety Device Function Blocks
Error Handling and Error Resetting
Timing Chart
3-5-4

Light Curtain Monitoring

Basic Function
48
Setting: Dual Channel Equivalent
Input 1 Input 2
(NC) (NC)
0 0
0 1
1 0
1 1
0: OFF, 1: ON
Setting: Dual Channel Complementary
Input 1 Input 2
(NC) (NO)
0 0
0 1
1 0
1 1
0: OFF, 1: ON
Error Behavior for error detection
condition Output
Enable
Discrepancy OFF
error
(safety
state)
When Set to Dual Channel Equivalent
Input1
(NC)
Input2
(NC)
Output
Enable
Discrepancy
Error
Fault Present
IDLE to RUN
The Light Curtain Monitoring function block monitors a type-4 safety light cur-
tain.
Output
Enable
0
0
0
1
Output
Enable
0
0
1
0
Fault Error output
Present
ON Discrepancy
Error output: ON
Discrepancy time
Section 3-5
Resetting the error
condition
Remove the cause of the error
and then do the following:
1. Make the inputs inactive
and then active again.
2. Or change the operating
mode to IDLE Mode and
then back to RUN Mode.