Mitsubishi Electric MELSEC-Q Series User Manual page 56

(3) Storage locations of RX, RY, RWr, and RWw
The storage locations change depending on the number of occupied stations and expanded cyclic setting in slave
stations. The storage locations for each station can be checked using Slave station offset, size information
(Un\G992 to Un\G1503). (
(4) Precautions
(a) To use the remote net additional mode for a local station
Set the master station to the remote net additional mode.
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Page 335, Appendix 2 (4))