Modbus Data Types And T2 Register Mapping - Toshiba PROSEC T2 Series User Manual

5.2. Modbus Data Types and T2 Register Mapping

This table shows how the different Modbus data types are mapped into T2 registers. In other
words, a Modbus master would reference the following Modbus register ranges to access the
corresponding T2 PLC registers.
For example, Modbus Holding Register 4352 will map to T2 register D000, and Input Register
0000 will map to XW00.
Data Type Attribute
Coils Read/Write
Input Read only
Status
Input Read only
Register
Holding Read/Write
Registers
Modbus No. Offset
0**** 0000 to 0511
0512 to 4095
4096 to 5112
7936 to 8447
1**** 0000 to 0511
0512 to 4095
3**** 0000 to 0063
4**** 0000 to 0063
0768 to 0831
1280 to 1311
3328 to 3455
3840 to 3967
4352 to 5887
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Reg/Device Address (T2)
Y Y000 to Y31F
Y320 to Y63F
R R000 to R63F
Z Z000 to Z31F
X X000 to X31F
X320 to X63F
XW XW00 to XW63
YW YW00 to YW63
RW RW00 to RW63
ZW ZW00 to ZW31
T T000 to T127
C C000 to C095
D D000 to D1405