... , simulate and maintain control solutions based on SIMATIC Control Platforms (S7-300, S7-400, C7, WinAC PC-Based Control, and ET200 CPUs), ... uses a true project or system-wide scope, encompassing multiple S7 CPUs, the associated distributed peripherals, all system networking, and ... the high level language Structured Text (ST) called SIMATIC S7-SCL or a Sequential Function Chart (SFC) called SIMATIC ...