Modbus Poll display formats:

Modbus Poll display formats

Mark the cells to be formatted. Select one of the 16 display formats from the display menu.

Native Modbus registers

The 16 bit Modbus registers can be displayed in 4 different modes.

  • Signed
  • Unsigned
  • Hex
  • Binary

32 bit long

This combines 2 16bit Modbus registers. It can be displayed in 4 different word/byte orders.

  • Long AB CD
  • Long CD AB
  • Long BA DC
  • Long DC BA

Example:
Byte Order: AB CD
The decimal number 123456789 or in hexadecimal 07 5B CD 15 Order as they come over the wire in a Modbus message: 07 5B CD 15

32 bit floating

This combines 2 16bit Modbus registers. It can be displayed in 4 different word/byte orders.

  • Float AB CD
  • Float CD AB
  • Float BA DC
  • Float DC BA

Example:
Byte Order: AB CD
The floating point number 123456.00 or in hexadecimal 47 F1 20 00 Order as they come over the wire in a Modbus message: 47 F1 20 00

64 bit double

This combines 4 16bit Modbus registers. It can be displayed in 4 different word/byte orders.

  • Double AB CD EF GH
  • Double GH EF CD AB
  • Double BA DC FE HG
  • Double HG FE DC BA

Example:
Byte Order: AB CD EF GH
The floating point number 123456789.00 or in hexadecimal 41 9D 6F 34 54 00 00 00 Order as they come over the wire in a Modbus message: 41 9D 6F 34 54 00 00 00