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How to Convert the a 32 bit Hex register in Modbus Tester to Decimal Value

Published date: 30 April 2020

Issue
Converting IEEE float to decimal

Product Line
Modbus Tester

Environment
Modbus register conversion

Cause
When using Modbus Tester to read a 32 bit register, the two 16 bit registers need to be converted in order to see the actual value.

Below is an example of reading 32 bit Input Registers:
          

Resolution
A converter such as https://babbage.cs.qc.cuny.edu/IEEE-754.old/32bit.html can be used.

The two hex values in each of the 16 bit registers are placed together to obtain the decimal value:
          

Modscan was used to validate the results:
          


 

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