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Video: What is Modbus Tester and how do I use it?

Published date: 02 October 2020

Issue
Need a simple tool that can read Modbus registers.

Product Line
Modbus Tester

Cause
Diagnosing communications or verifying values.

Resolution
Modbus Tester is a simple register reading/writing program. The below screen shot details each commonly used value block, and the video below shows how to read and write to registers. Note: Modbus Tester is hardcoded to port 502.


Click on the Tester.exe icon to download -> Tester.exe


For Modbus Master wiring to devices of the RS485 port, see knowledge base FA213223.
 






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