edouard@3925: PLC variables and local variables
edouard@3925: ==================================
edouard@3925: 
edouard@3925: PLC variables start with ``/``
edouard@3925: ------------------------------
edouard@3925: 
edouard@3925: Local Page variables start with ``.``
edouard@3925: -------------------------------------
edouard@3925: 
edouard@3925: Local HMI variables
edouard@3925: -------------------