IF n = SIZEOF(xp)/SIZEOF(xp[1]) THEN [...] State := 2; EXIT; END_IF

,\\ IF,\\ ELSE,\\ END_IF

StructXYChart; END_VAR 任务 IF [...] .iInitialized > 0 THEN XYChart [...] EnumXYChartGridType.NO; // no grid END_IF 表

; END_VAR IF xIn THEN [...] ; END_IF PROGRAM PLC

A(); IF fbA.prop_iA > 500 THEN fbA.prop_iA := 0; END_IF i

_VAR IF iInit = TRUE THEN pie [...] Init := FALSE; END_IF i

NOT AND_THEN OR_ELSE

”） IF(inputData <> 0) THEN // inputData is [...] _BY_ZERO Exception END_IF // input

(12); END_VAR IF iInput_1 = iInput_2 THEN Do [...] return value END_IF 根据

_VAR IF iDenominator <> 0 THEN i