Since Modbus is a low-level protocol, more abstract concepts like controlling roller shutters can be implemented in a number of different ways. This example (offered by @ssalonen here) is one approach ...
99-0-0/0 , 99-0-0/0 , 20-0-0/4 , 9-0-0/0 , 9-0-0/0 , 9-0-0/0 , 9-0-0/0 , 99-0-0/0 , 99-0-0/0 , 60-0-0/5 99-0-0/0 , 99-0-0/0 , 20-0-0/6 , 0-1-0/0 , 0-0-0/0 , 0-0-0/0 ...
Table 1: ESP8266 technical data. The NodeMCU board generates the supply voltage for the ESP8266 and looks after the programming interface for the microcontroller. Figure 1 shows an overview of the ...
I relearned the hard way today that "copy and paste" is a dangerous game in PLC programming. One minute you're saving time, the next you're chasing microscopic yellow triangles and "angry" flashing ...