BOOL VAR_INPUT str [...] VAR_INPUT string [...] VAR_INPUT END_VAR

_last : INT VAR_INPUT iVar [...] Variable: VAR_INST The VAR_INST instance

_PRG VAR_INPUT b : BOOL [...] DoIt : BOOL VAR_INPUT [...] ; END_VAR VAR_OUTPUT

between the keywords VAR_OUTPUT [...] with the same input variable values [...] the same output value

for inputs VAR_OUTPUT [...] for input/output variables VAR_INPUT

be declared within a VAR_INPUT-, VAR_OUTPUT or VAR [...] only within a VAR_INPUT

0212: VAR, VAR_INPUT, VAR_OUTPUT [...] 0212 Message : VAR, VAR_INPUT, VAR_OUTPUT or VAR

_A FUNCTION_BLOCK FB_A VAR_INPUT END_VAR VAR_OUTPUT [...] input variables

input and output [...] _3 with the scope of VAR_INPUT [...] for declarations with scope VAR_INPUT

(example: VAR_INPUT , VAR_OUTPUT , or VAR [...] STRUCT VAR_INPUT