quote:
FUNCTION_BLOCK FB_ENABLEAXIS //*********FB使能轴***********

VAR_INPUT
enable: BOOL; //使能
disable: BOOL; //反使能
myaxis: driveaxis;
END_VAR

VAR
myRetDINT: DINT;
END_VAR


IF enable AND NOT disable THEN //满足 使能＋非反使能条件时：

myRetDINT :=
_enableaxis( //_enableaxis() 系统函数， 在帮助中可以得到相关参数信息
axis:=myaxis
// enablemode:=ALL,
// servocontrolmode:=ACTIVE,
// servocommandtoactualmode:=INACTIVE,
// nextcommand:=IMMEDIATELY,
// commandid:=(0,0),
// forcecontrolmode:=INACTIVE,
// stwbitset:=0,
// movingmode:=DO_NOT_CHANGE
);

ELSIF disable AND NOT enable AND myaxis.control=ACTIVE THEN

myRetDINT :=
_disableaxis( //_disableaxis() 系统函数， 在帮助中可以得到相关参数信息
axis:=myaxis
// disablemode:=ALL,
// servocontrolmode:=INACTIVE,
// servocommandtoactualmode:=ACTIVE,
// nextcommand:=IMMEDIATELY,
// commandid:=(0,0),
// forcecontrolmode:=INACTIVE,
// stwbitset:=0
);

END_IF;

END_FUNCTION_BLOCK

---