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5 SAFETY APPLICATION CONFIGURATION EXAMPLES
5.1 System Configured by a Safety CPU
*1 Adjust the values of input response time, input dark test pulse off time, and output dark test pulse off time according to the installation
environment and wiring length.
*2 Set double input discrepancy detection time to 100ms for mechanical switches and 20ms for sensor inputs as standard.
*3 For details on setting range, refer to the following.
CC-Link IE Field Network Remote I/O Module (With Safety Functions) User's Manual
*4 Always set the parameters like this for this case example.
■Safety devices and safety labels to be used
To create a safety program, use the safety devices and standard/safety shared labels listed in the table below.
■Program example
This is a safety program. For precautions for creating safety program and setting method, refer to Page 34 Precautions for
Programming and Page 53 Parameter setting of the Safety CPU. The program performs the following processing.
Module External device Safety device/safety label
SR_IO1 Light curtain SA\X4 or SA\X5
Laser scanner SA\X6 or SA\X7
Contactor SA\Y0 and SA\Y1
Contactor (check for welding) SA\X2 or SA\X3
R_IO2 Reset switch reset_in
Start switch start_in
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