Modbus RTU (RS-485)

Connecting Modbus RTU (RS-485) outputs
General All SME devices implement a MODBUS RTU compliant RTU slave. The default configuration of the MODBUS RTU slave is 38400 and ODD parity. Connec...
Fri, 3 Jul, 2020 at 3:00 PM
Modbus Input Registers
The table uses PDU addressing; addresses start at zero. Depending on the PLC used it might be required to add 1 to the addresses in the table below. Mod...
Fri, 3 Jul, 2020 at 3:00 PM
Data-Types (Modbus RTU RS-485)
Float: IEEE754 floating point. This data type spans two registers which should be read together. Depending on the endianness of the host it might be necess...
Fri, 3 Jul, 2020 at 3:03 PM
Modbus RTU Command and Response Examples
Reading the parameter 3, Temperature median, in float data type, from the SMET  Device Address= 01 = 0x01 (byte).  Address 40057-40001=56 = 0x0038 (word) ...
Fri, 3 Jul, 2020 at 4:34 PM