Comments (2)
sanny32
commented on June 26, 2024
Please let me know from what register 0 or 1 address space started in your device.
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MarkoBursic
commented on June 26, 2024
After examination of the device (Corrigo HVAC controller) and reading the Modbus protocol specs I came to conclusion that maybe the device protocol is implemented in incorrect way. For example, from manual the outdoor temperature is input register 1, translated in modbus space this shall be input register 30001, then subtract 30001 as per modbus specs, the query address shall be 0000 (blue numbers in Wireshark debug), but it throws error, this for any range of registers (coils, contacts, input registers, holding registers).
Short: Closed, Modbus device incorrectly implemented.
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Related Issues (7)
- Add Modbus Address Scan Export to CSV
- TCP scanner doesn't work, missing 32bit signed+unsinged option and more HOT 13
- There is no 32 bit Signed/Unsigned register with swap option (like there is for Float register) HOT 1
- How to install? HOT 4
- Not runs HOT 2
- Is possible to read and write 64bit register HOT 3
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