The programming language of the S7200 is STEP7, which is a new software for s7 series PLC programming and debugging, it is based on the international standard IEC1131-3, can be used lad.CSF and STL programming. This is a language that can be run in a general purpose microcomputer and programmed in a WNDOWS environment. By connecting it to the PLC's MPI port via the computer's serial port and a PCMPI transfer cable, it can communicate with each other.<br>Step7 programming software, not only can be very convenient to use trapezoidal circles and statement table and other forms of offline programming, after compilation through the transfer cable directly downloaded into the PLC's memory to perform, but also in the debugging operation, can also be online monitoring the program of the various input sending or state points of the intersection, and even the online modification program variables, to the debugging work also brings great convenience.
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