Fix bug with two or more wires connected to one input. Now only one wire can be connected to one input, except BOOLean signals in LD and SFC. If user trying to connect wire with already connected input, wire highlight will become red.
Signed-off-by: Andrey Skvortsov <andrej.skvortzov@gmail.com>
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<font size="3">The PLCopen Editor saves and loads XML projects,<BR>accordingly to PLCopen TC6-XML Schemes.</font>
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More informations on :
<a href="http://www.beremiz.org/">http://www.beremiz.org/</a>
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