beremiz

a4bf874e4949
now only correct chart can be created in SFC Viewer

if user trying to connect incompatible blocks (by IEC 61131-3 standard), wire highlight will become red
<?xml version='1.0' encoding='utf-8'?>
<BeremizRoot xmlns:xsd="http://www.w3.org/2001/XMLSchema" URI_location="WAMP://127.0.0.1:8888#Automation#2534667845">
<TargetType/>
</BeremizRoot>