... 1.4.3 of IEC 6113 1-3 ), or can be expressed algorithmically in one of the textual or graphic languages in IEC 6113 1-3 , i.e IL (3.2 of IEC 6113 1-3 ), ST (3.3 of IEC 6113 1-3 ), LD (4.2 of IEC 6113 1-3 ), ... complementary information about the application of some of the programming language elements specified in IEC 6113 1-3 Clause provides information about the intended implementation of some of these programming ... sequential, the first step in the decomposition may be the formulation of an SFC (2.6 of IEC 6113 1-3 ) expressing the sequence of operations to be performed and the conditions for repeating the cycle of...