Visual programming for not programmers

The storage register (Holding Registr) in the slave controller

The variable (Tag) in memory Holding Registers of the slave on this controller polled by external master. This variable is available for read and write. Can be used in a project an unlimited number of times as a normal variable. Also in the editor block, you can specify that the input "En" (write enable). In this case, the write to the variable will only occur on the rising edge of a pulse on this input