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+IEC 61131
+=========
+
+ IEC-61131 is a normative document provided by the standards organization IEC
+ (International Electrotechnical Commission) and describing a standard for
+ implementing programmable controllers.
+
+
+ The part 3 of this document (commonly named IEC 61131-3) specifies syntax and
+ semantics for programming language for programmable controllers. Beremiz
+ implements all the languages described in this document.
+
+
+ http://www.iec.eu
+
+PLCopen TC6
+===========
+
+ PLCopen is a vendor- and product-independent worldwide association defining
+ international standards for various topics related to control programming.
+ For this purpose, PLCopen has 6 technical committees.
+
+
+ The goal of the sixth committee (TC6) is to define a standard file format,
+ based on XML, for exchanging programmables controllers programmed using
+ IEC 61131-3 languages. Beremiz uses this file format for saving the PLC
+ programs of projects.
+
+
+ http://www.plcopen.org
+