Yaskawa MP2000 Series: Built-in SVB or SVB-01 Motion Module - Manual (Page 500)

Appendix B Settings When Connecting MECHATROLINK Compatible I/O Modules, MYVIS, and MP940
B.2 I/O Register Configuration
A-11
Appendices
The shaded area ( ) indicates areas for system use.
I/O registers are allocated in word units. However, the following precautions must be observed when handling 1-byte module
data.
<Output module>
The most significant bytes will be valid, and the least significant bytes will not be specified.
OB 8 to OB F are valid.
<Input module>
The least significant bytes will be valid, and the most significant bytes will not be specified.
IB 0 to IB 7 are valid.
Most significant bytes Least significant bytes
F 8 7 0
Most significant bytes Least significant bytes
F 8 7 0