Mitsubishi Electric MELSEC iQ-R Series User Manual page 304

13.
Set the parameter for the Class1 instance communications in "Detailed Connection Settings".
14.
Select the target 2 under "Scanner" in "Connection List" and click the [Add Connection] button.
15.
Select "Input Only (Class1 Tag)" in "Select Connection to be Added:" and click the [OK] button.
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13.2 Class1 Communications Communication Example