Mitsubishi Electric MELSEC iQ-R Series User Manual page 86

To assure the integrity of cyclic data in each slave station
One of the following actions assures the integrity of cyclic data in each slave station.
Note that data integrity is not assured across slave stations.
■Using the engineering tool
Set "Station-based Block Data Assurance" under "Supplementary Cyclic Settings" in "Application Settings" to "Enable". (
Page 69 Supplementary Cyclic Settings)
■Using a program
Interlock with RX and RY.
• Master station (station No.0)
3 PROGRAMMING
84
3.2 Example of Communications Between a Master Station and a Local Station