Mitsubishi FX3U Series User Manual page 97

FX Series Programmable Controllers
3U
User's Manual - MODBUS Serial Communication Edition
The following tables provide the default values for MODBUS address allocation for Bit devices and word
devices for the example stated above:
Bit device:
Coils (Read / Write)
0x0000 - 0x001F
0x0020 - 0x005F
Word device:
Holding-Register (Read / Write)
0x0000 - 0x0007
9.4 User defined MODBUS Device Address Assignment
FX Device
3U
X0 - X37
M128 - M191
FX Device
3U
TS0 - TS127
9 Slave Specification
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