ControlBox
TB-232 Web Server
Modbus configuration

Note: All registers are in 'big-Endian' format

Enable slave
 
Address table for 03 Read Holding Registers function
AddressParameterTypeSizeValue
0TemperatureFloat2-55.0 ... 125.0
Int16*1-550 ... 1250
Int161-55 ... 125
2StateInt1610,1,2,3**
3Alert minInt161-55 ... 125
4Alert maxInt161-55 ... 125
5Warning minInt161-55 ... 125
6Warning maxInt161-55 ... 125
7Critical minInt161-55 ... 125
8Critical maxInt161-55 ... 125
9Device IDInt322Device ID
* to preserve accuracy, the value is multiplied by 10
** 0 - Normal, 1 - Alert, 2 - Warning, 3 - Critical