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Description / Abstract:
This part of IEC 61131, which is a technical report, applies to
the programming of programmable controller systems using the
programming languages defined in IEC 61131-3. It also provides
guidelines for the implementation of these languages in
programmable controller systems and their programming support
environments (PSEs).
IEC 61131-4 should be consulted for other aspects of the
application of programmable controller systems.
NOTE Neither IEC 61131-3 nor this technical report explicitly
addresses safety issues of programmable controller systems or their
associated software. The various parts of IEC 61508 should be
consulted for such considerations.