 The HMI part is flexible and most of the solutions of industrial leaders such as Siemens WinCC, Allen Bradley FactoryTalk and Wonderware InTouch can be integrated.WinCos supports the communication to Siemens S7 and Allen Bradley ControlLogix PLC's.Different I/O systems connected via a Fieldbus can be controlled and the number of Input/Output are limited by the Fieldbus and the PLC.