Rockwell Automation 2711P Creating Modbus Applications - Manual (Page 68)

Publication 2711P-UM002B-EN-P - March 2007
68 Modbus/TCP Address Definitions
Instromet Addressing
Decimal Addressing
Area Short Word Registers (16 Bit)
Type Word, Short
Range 400000 - 400199
Security Read only
Area Short Word Registers (32 Bit)
Type DWord, Long
Range 400200 - 400399
Security Read only
Area Floating Point Registers (32 Bit)
Type Float
Range 400400 - 400599
Security Read only
TIP
The normal Instromet addressing does not include the 40xxx. It
is included here to keep the addresses in a normal Modbus
compatible mode.