Mitsubishi MELSEC-A Series Reference Manual page 215

7. DATA LINK SETTINGS
Link using local station No. 3 (L3/m) as the master station for the third tier
Local station Remote I/0
No. 2(L2) station No. 4 (R4)
Remote I/O station
Master station (L3/m)
Local station No. 1 ( 1) Local station No. 3( 1)
No. 2 (r2)
*1 *2 *3 *1 *2 *3 *1 *2 *3 *4 *5 *1 *2 *3 *4 *5
*1 : Read ...... Reading word data
*2 : Write ...... Writing word data
*3 : Used as a data register (D) in the master station
*4 : Read from master station
*5 : Write from master station
: Usable range
Fig 7.46 Link registers (W) assignment example (Continued)
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