_PRG VAR dateDue : DATE [...] ; END_VAR

for the visualization. VAR bAckSel : [...] UINT; END_VAR .

IsVisible with VAR bIsVisible : BOOL := FALSE; END_VAR

PLC_PRG VAR i [...] END_VAR Input

variables VAR as [...] [1..2,1..2] OF BOOL; END_VAR

for which the Var_OUTPUT variable and VAR_IN_OUT variable [...] . PROGRAM PLC_PRG VAR x

VAR_INPUT    size [...] Elems.ISizeProvider; END_VAR IF size

VAR_INPUT END_VAR