Mitsubishi Electric MELSEC iQ-R Series User Manual page 111

A
(0) The transmit data default value is set.
'I/O communication request' (Y11) is turned on.
(25) The communication status is acquired from 'Communication status of nodes' (U0\G444).
(31) When the communication status with the slave node (node address 1) is off, the number of communication errors is counted.
(50) (56) When the communication status with the slave node (node address 1) is on, the receive data is read from 'Master function receive data' (U0\G1792).
(60) When the communication status with the slave node (node address 2) is off, the number of communication errors is counted.
(79) (85) When the communication status with the slave node (node address 2) is on, the transmit data is created and written to 'Master function transmit data'
(U0\G2304).
(92) When the communication status with the slave node (node address 4) is off, the number of communication errors is counted.
(111) (117) When the communication status with the slave node (node address 4) is on, the receive data is read from 'Master function receive data' (U0\G1793).
(122) The transmit data is created.
(136) When the communication status with the slave node (node address 4) is on, the transmit data is written to 'Master function transmit data' (U0\G2305).
(143) When the communication status with the slave node (node address 3) is off, the number of communication errors is counted.
(162) (167) When the communication status with the slave node (node address 3) is on, the receive data is read from 'Master function receive data' (U0\G1798).
APPX
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Appendix 5 Setting the Parameter with a Program