FP_INTERRUPT_ENABLE

启用中断程序

该FP指令允许执行已分配给中断任务的所有程序。

标注

以下情况适用定时中断：启用中断程序后，可以在为中断程序定义的时间间隔过后首次执行中断程序。
当PLC从PROG切换到RUN模式时，禁用中断程序。必须通过执行FP_INTERRUPT_ACTIVATE来启用中断程序。

示例

POU头

所有用于编程此函数的输入和输出变量已在POU头中声明。所有编程语言使用相同的POU头。

	VAR
		bEnable_Interrupt: BOOL:=FALSE;
		bComparisonMatchMonitor: BOOL:=FALSE;
		bDisableHscUnit: BOOL:=FALSE;
		bDisable_Interrupt: BOOL:=FALSE;
	END_VAR

LD本体

BODY
    WORKSPACE
        NETWORK_LIST_TYPE := NWTYPELD ;
        ACTIVE_NETWORK := 0 ;
    END_WORKSPACE
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 12 ;
        NETWORK_BODY
B(B_COMMENT,,Program behavior:ø^- with first scan all interrupts are disabled (or via "bDisable_interrupt" by hand)ø^ø^- g_Count_up ONCE a second --> if EQ 10 the interrupts will be enabled ø^ø^- the interrupt program is activated in  Interrupt 10 (Slot 1 Channel 0)ø^ø^- if g_bCount_interrupt = 20 --> g_bCount_interrupt and g_bCount_up are set to ZEROø^,4,1,41,10,);
L(1,0,1,12);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 6 ;
        NETWORK_BODY
B(B_CONTACT,,sys_bIsFirstScan,6,1,8,3,F);
B(B_COIL,,g_bHscUnitEnable,29,1,31,3,);
B(B_CONTACT,,g_bHscUnitEnable,6,4,8,6,);
B(B_CONTACT,,bDisableHscUnit,16,1,18,3,N);
L(18,2,29,2);
L(8,2,16,2);
L(1,2,6,2);
L(1,5,6,5);
L(8,5,11,5);
L(11,2,11,5);
L(1,0,1,6);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 6 ;
        NETWORK_BODY
B(B_CONTACT,,g_bHscUnitEnable,6,1,8,3,R);
B(B_COIL,,g_bHscUnitEnableCounting,29,1,31,3,);
B(B_CONTACT,,g_bHscUnitEnableCounting,6,4,8,6,);
B(B_CONTACT,,bDisableHscUnit,16,1,18,3,N);
L(18,2,29,2);
L(1,5,6,5);
L(13,2,13,5);
L(8,5,13,5);
L(13,2,16,2);
L(8,2,13,2);
L(1,2,6,2);
L(1,0,1,6);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 3 ;
        NETWORK_BODY
B(B_CONTACT,,g_bHscUnitComparisonMatchFlag,7,1,9,3,);
B(B_COIL,,bComparisonMatchMonitor,29,1,31,3,);
B(B_COMMENT,,For Monitoring if ComparisionMatchFlag is TRUE,45,0,69,2,);
L(9,2,29,2);
L(1,2,7,2);
L(1,0,1,3);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 5 ;
        NETWORK_BODY
B(B_F,FP_INTERRUPT_DISABLE!,,12,0,24,3,,?DEN?AENO);
B(B_CONTACT,,sys_bIsFirstScan,4,1,6,3,);
B(B_COIL,,bEnable_Interrupt,29,1,31,3,E);
B(B_CONTACT,,bDisable_Interrupt,4,3,6,5,);
B(B_COMMENT,,Disable all Interrupts hard: no activation with the FB- FP_INTERRUPT_ACTIVATE possible,43,0,67,2,);
L(1,2,4,2);
L(6,2,12,2);
L(1,4,4,4);
L(6,4,11,4);
L(11,2,11,4);
L(24,2,29,2);
L(1,0,1,5);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 2 ;
        NETWORK_BODY
B(B_VAROUT,,g_iCount_interrupt,16,0,18,2,);
B(B_VARIN,,g_iCount_interrupt,14,0,16,2,);
B(B_COMMENT,,For monitoring the counter variable in the interrupt 10,45,0,69,2,);
L(1,0,1,2);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 4 ;
        NETWORK_BODY
B(B_F,@EQ-2!,,9,1,14,4,,?D?D?C);
B(B_VARIN,,g_iCount_up,7,1,9,3,);
B(B_VARIN,,10,7,2,9,4,);
B(B_COIL,,bEnable_Interrupt,19,1,21,3,S);
L(14,2,19,2);
L(1,0,1,4);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 3 ;
        NETWORK_BODY
B(B_F,FP_INTERRUPT_ENABLE!,,19,0,31,3,,?DEN?AENO);
B(B_CONTACT,,bEnable_Interrupt,5,1,7,3,R);
L(1,2,5,2);
L(7,2,19,2);
L(1,0,1,3);
        END_NETWORK_BODY
    END_NET_WORK
    NET_WORK
        NETWORK_TYPE := NWTYPELD ;
        NETWORK_LABEL :=  ;
        NETWORK_TITLE :=  ;
        NETWORK_HEIGHT := 4 ;
        NETWORK_BODY
B(B_F,FP_INC!,,19,0,25,4,,?DEN?Dd?Ad?AENO);
B(B_VARIN,,g_iCount_up,17,2,19,4,);
B(B_CONTACT,,sys_bPulse1s,5,1,7,3,R);
L(1,2,5,2);
L(7,2,19,2);
L(1,0,1,4);
        END_NETWORK_BODY
    END_NET_WORK
END_BODY

ST本体

(* Initiation *)
g_bHscUnitEnable := (DFN (sys_bIsFirstScan) OR g_bHscUnitEnable) AND  NOT bDisableHscUnit ;
g_bHscUnitEnableCounting := (DF(g_bHscUnitEnable) OR g_bHscUnitEnableCounting) AND NOT bDisableHscUnit ;
(* Monitoring *)
bComparisonMatchMonitor := g_bHscUnitComparisonMatchFlag ;  
g_iCount_up := g_iCount_up;                    (* is counted in the main project *)
g_iCount_interrupt := g_iCount_interrupt;            (* is counted in the interrupt program 1_0*)
(* Interrupt expressions *)
if (sys_bIsFirstScan OR bDisable_Interrupt) then
    FP_INTERRUPT_DISABLE();
    bEnable_Interrupt := FALSE;
end_if;
if (g_iCount_up = 10 ) then
    FP_INTERRUPT_ENABLE();    (* Enabel all interrupts *)
end_if;
(* 1 second counting pulse *)
if (DF(sys_bPulse1s)) then
    FP_INC(d := g_iCount_up);
end_if;