Codesys鍩虹��绗旇��: v2-c5ec811487d7969c49206675d8324932_720w.jpg

瀹氫箟璇�娉曞�備笅锛�

    TIME_test1 : TIME := T#1M30S;

    TIME_test2 : DATE := D#2022-11-20;

鏃堕棿甯告暟鐨勮��娉曪細#<鏃堕棿澹版槑>

iVar1 : INT;//鍙橀噺1

iVar2 : INT;//鍙橀噺2

piVarOINTER TO INT;//鎸囬拡



//灏嗗彉閲�1鐨勫湴璇佷氦缁欐寚鎸囬拡

piVar := ADR(iVar1);

//閫氳繃鍐呭�规搷浣滅�︽妸鎸囬拡鍐呭�逛氦缁欏彉閲�2

iVar2 := piVar^;

//缁撴瀯浣撲娇鐢ㄦ柟娉�

TYPE STRUCT_VAR://缁撴瀯浣撳悕绉�

STRUCT//鐢虫槑璇ユ牱寮忎负缁撴瀯浣擄紝鍚庨潰鍑犵�嶇被鍨嬩富瑕佸喅瀹氭牱寮忕殑鍦版柟灏卞湪姝ゅ��

    VAR1:BOOL;

    VAR2:INT;

    VAR3:ARRAY[0..9] OF INT;

END_STRUCT

END_TYPE

PROGRAM PLC_PRG//POU鐨勫嚱鏁颁綋

VAR

    STRUCT1:STRUCT_VAR;//榛樿�ゅ疄渚嬪寲锛孲TRUCT1涓鸿�ョ粨鏋勪綋鐨勫悕瀛�

    STRUCT1:STRUCT_VAR:=(VAR1:=TRUE,VAR2:=2,VAR3:=[10,7,3,6]);//鍒濆�嬪寲鍊煎疄渚嬪寲

END_VAR

TYPE DUT_ENUMER:

(

    Mon:=1,//璁剧疆绗�涓�浣嶅��  

  Tues,//2

  Wed,//3

  Fri//fri鐨勫�间负4

)BYTE;//瀹氫箟涓婅堪4涓�鍙橀噺绫诲瀷涓築YTE锛屽彲浠ヤ笉濉�鍐欓粯璁や负INT

END_TYPE



//鏋氫妇浣撶殑浣跨敤

iNumber1:=DUT_ENUMER.Mon;

TYPE ://鑱斿悎浣撳悕瀛�

UNION//鑱斿悎浣撳叧閿�璇�

    VAR1:BOOL:

    VAR2:ARRA 銆�0..8銆慜F BOOL;

    VAR3:INT;

END_UNION

END_TYPE

PROGRAM POU_UNION

VAR

  UNION1:OUT_UNION;

END_VAR



//浣跨敤鏂规硶

UNION1.VAR1:=TRUL;

//鍔熻兘鍧楀疄鐜帮細灏嗗�﹀彿涓�3鐨勫�︾敓骞撮緞鍔�25宀併��

editStu(stStudent:=stStudents[2] , iAge:=25 , age=>stStudents[2].iAge);

//age=>stStudents[2].iAge鐨勬剰鎬濇槸灏嗗姛鑳藉潡杈撳嚭鐨刟ge鍊间紶閫佺粰stStudents[2].iAge



//鍑芥暟瀹炵幇锛氬皢瀛﹀彿涓�4鐨勫�︾敓骞撮緞鍔�25宀併��

stStudents[3].iAge:=POU_edit_studentage_1(stStudent:=stStudents[3],age:=25);

//POU_edit_studentage_1鍑芥暟鏄�灏嗚�＄畻缁撴灉浠ヨ繑鍥炲�肩殑褰㈠紡杩斿洖缁檚tStudents[3].iAge

//闅愬紡杞�鎹�

//灏忕殑鍚戝ぇ鐨勮浆鎹�锛孲INT鈫扞NT



//鏄剧ず杞�鎹�

//涓嶅悓澶у皬鎴栦笉鍚岀被鍨嬶紝STRING鈫扗INT

SINT:=TO_SINT(STRING);

SINT:=STRING_TO_REAL(STRING)

VAR RETAIN

    RET_NUM_1 : INT := 15;

END_VAR



VAR RETAIN PERSISTENT

    PER_NUM_2 : INT := 15;

END_VAR

VAR

    xBeispiel AT %IX1.1 : BOOL;

    wBeispiel AT %QW3: INT;

    xBeispiel AT %QX7.5: BOOL;

END_VAR