What it does
Inspect register values or decode Modbus RTU and TCP frames without connecting to equipment.
Registers and frames, decoded precisely.
Start with a sample or add your own input.
Your result will appear here.
Understand the format, the calculation, and what to look for.
Inspect register values or decode Modbus RTU and TCP frames without connecting to equipment.
32-bit values consume two registers. Select word and byte order independently to match the device manual.
Read/write requests, read responses, write acknowledgements and exceptions are decoded. CRC and MBAP length mismatches appear as diagnostics.