Chapter 1 Introduction to Standard Instructions 1_ 1-3 Categories Description Communication instructions Controlling the peripheral though communication Other instructions Instructions which are different from those mentioned above String processing instructions Conversion between binary/binary-coded decimal numbers and ASCII codes; conversion between binary numbers and strings; conversion between floating-point numbers and strings; string processing Ethernet instructions Controlling the Ethernet data exchange Memory card instructions Reading the data from the memory card and writing the data into the memory card Task control instructions Controlling the task in the program SFC control instructions Controlling the SFC operation