Element: IEC [...] : Function : The IEC Unit [...] Title of the IEC unit

Action: WriteVariable [...] variable one time. Call [...] : Configuration Variable

Action: ForceVariable [...] variable. Call : [...] : Configuration Variable

Action: ReadVariable [...] reads a variable [...] When reading a variable

Action: CompareVariable [...] (variable type, value range). Variable

Action: CompareVariable [...] compares a variable [...] : Configuration Variable Fully

with IEC unit test [...] . Then the IEC Unit Test test [...] are maintained. An IEC unit

. The enabled variables [...] . Executing an IEC unit [...] before calling an IEC unit

variable END [...] variables [...] control variable

variable END [...] the IEC Unit Test test [...] . Before reading variables