Modbus TCP
Read live Miravo values as Modbus registers. Drop-in for legacy polling clients.
Miravo maps each Modbus-exposed value to a Modbus register. Polling clients see live values that keep moving while the environment runs.
Default port: 502. Not on by default — smart-factory and some other environments enable it automatically. See miravo start for the enable flag.
Read and write
Read-only values map to Modbus holding registers and update as the environment runs.
readwrite and write members accept Modbus writes. Writes change the same running environment visible in the Console — the next read reflects the new state.
Find a register
The Console Tags view shows the Modbus register number for each member. Export the filtered list as CSV from the same view.
How to know it worked
Verified
- Your client polls a holding register and the value keeps changing.
- Register numbers in the Console Tags view match what your client polls.
- Writing to a
readwriteorwritemember — the next read reflects the new value.
Next
Choose an environment
Point the same Modbus client at another environment.
Litmus Edge
Map the running environment into Litmus Edge.
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