ISPSoft User Manual 16.1 C Programming Language (C) One characteristic of the C language is that the entire C program consists of statements. Compared with instruction lists (IL), C language has a higher readability. Complex expressions can be expressed in the syntax like mathematical equations. Therefore, C is the programming language more suitable for the programming applications where complex operations are required. * Before downloading a C program to the PLC, do confirm that the version of the AS series PLC firmware is V1.06.00 or later. 16.1.1 C Structures The programming language C is a fit for the programmers who have already been familiarized with the programming in C language.
Please refer to the following programming language structures supported by C language before starting the C programming. In the first place, use one of the most common editors on the market, such as DEV-C, TurboC and Visual Studio for writing, compiling and debugging. Then import the generated " .c " and " .h " files through the Import function of ISPSoft and use them in the C Language (C) FB or (C) POU. (C) FB can be cited in Structure Text (ST) POU and Ladder Diagram (LD) POU as shown below. C Language (C) POU C Language (C) POU C Language (C) FB .c & .h file .c & .h file Structure Text (ST) POU Ladder Diagram (LD) POU C Language (C) FB C Language (C) FB .c & .h file .c & .h file 16-2