STEP7培训之基本指令(5).ppt

2019/12/13,SIMATICSTEP7标准培训,基本指令,SciampleTraining-STEP7,2,2019/12/13,内容,位逻辑指令字逻辑指令比较指令MOVE指令数据转换指令整数运算指令浮点运算指令计时器指令计数器指令,DB块指令程序控制指令跳转指令移位和旋转指令,2019/12/13,SciampleTraining-STEP7,3,位逻辑指令（LAD）：,指令讲解,置位线圈,复位线圈,复位-置位触发器,置位-复位触发器,检测下降沿,检测上升沿,输出线圈,取反,常开触点,常闭触点,2019/12/13,SciampleTraining-STEP7,4,位逻辑指令（LAD）：,指令讲解,检测变量地址下降沿,检测变量地址上升沿,2019/12/13,SciampleTraining-STEP7,5,位逻辑指令（FBD）：,指令讲解,插入位变量,取反,与门,或门,赋值,置位输出,复位输出,2019/12/13,SciampleTraining-STEP7,6,位逻辑指令（FBD）：,指令讲解,检测变量地址下降沿,检测变量地址上升沿,检测上升沿,检测下降沿,异或逻辑,2019/12/13,SciampleTraining-STEP7,7,位逻辑指令（STL）：A（位变量）：“与”操作AN（位变量）：“与非”操作O（位变量）：“或”操作ON（位变量）：“或非”操作=（位变量）：结果赋值,指令讲解,2019/12/13,SciampleTraining-STEP7,8,数据块指令（LAD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,9,数据块指令（FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,10,MOVE赋值指令（LAD和FBD）：,指令讲解,IN：I，Q，M，D，常数OUT：I，Q，M，D,2019/12/13,SciampleTraining-STEP7,11,MOVE赋值指令（FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,12,上机实验题目,练习下装OB。建立一个共享数据块，利用“MOVE”指令，将一个变量传给另一个变量，用变量表修改变量值并观察结果。检测上升沿/下降沿编程练习。用梯形图编出“异或”逻辑。按下列两张图编程,2019/12/13,SciampleTraining-STEP7,13,上机实验题目,2019/12/13,SciampleTraining-STEP7,14,上机实验题目,2019/12/13,SciampleTraining-STEP7,15,比较指令（LAD和FDB）：,指令讲解,？可用下列表达式：,2019/12/13,SciampleTraining-STEP7,16,CMP?I指令（LAD和FBD）：,2019/12/13,SciampleTraining-STEP7,17,CMP?I指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,18,CMP?I指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,19,数的转换指令（LAD/FBD）：,指令讲解,BCD_IBCD码转换为整型I_BCD整型数转换为BCD码BCD_DIBCD码转换为长整型DI_BCD长整型数转换为BCD码I_DINT整形数转换为长整型DI_REAL长整型数转换为实型数INV_I整型数的二进制反码（按位取反）INV_DI长整型数的二进制反码（按位取反）NEG_I整型数的2的补码（加负号）NEG_DI长整型数的2的补码（加负号）NEG_R实型数的相反数（加负号）ROUND实型数四舍五入取整TRUNC实型数去掉小数部分CEIL取比实型数大的小数FLOOR取比实型数小的小数,2019/12/13,SciampleTraining-STEP7,20,I_DINT整型数转双整型数指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,21,I_DINT整型数转双整型数指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,22,INV_I整型数的二进制反码指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,23,INV_I整型数的二进制反码指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,24,DI_R双整型数转实数（浮点数）指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,25,DI_R双整型数转实数（浮点数）指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,26,整型数数学运算指令（LAD/FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,27,整型数数学运算指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,28,整型数数学运算指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,29,整型数数学运算指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,30,整型数数学运算指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,31,实数（浮点）数学运算指令（LAD/FBD）：,指令讲解,ADD_R实型数加法SUB_R实型数减法MUL_R实型数乘法DIV_R实型数除法ABS(绝对值),SQRT(平方根),SQR(平方),LN(对数),EXP(指数)三角函数:SIN,COS,TAN反三角函数:ASIN,ACOS,ATAN,2019/12/13,SciampleTraining-STEP7,32,实数（浮点）数学运算指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,33,实数（浮点)数学运算指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,34,实数（浮点）数学运算指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,35,实数（浮点）数学运算指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,36,字逻辑运算指令（LAD/FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,37,字逻辑运算指令举例（LAD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,38,字逻辑运算指令举例（LAD）：,指令讲解,2019/12/13,39,可编辑,2019/12/13,SciampleTraining-STEP7,40,字逻辑运算指令举例（FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,41,字逻辑运算指令举例（FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,42,上机实验题目,练习比较指令：两个实数相比较。如何一个整型数转为一个实数。将第1，2题结合编一个程序。练习浮点数运算，按公式编程：D=(A+B)*15)/C建立一个共享数据块，将数据块中的两个“与”，结果放入第三个字。,2019/12/13,SciampleTraining-STEP7,43,计时器指令（LAD和FDB）：,指令讲解,2019/12/13,SciampleTraining-STEP7,44,计时器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,45,计时器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,46,计时器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,47,计时器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,48,计时器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,49,计时器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,50,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,51,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,52,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,53,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,54,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,55,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,56,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,57,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,58,计时器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,59,计时器指令（LAD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,60,计时器指令（FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,61,计数器指令（LAD和FDB）：,指令讲解,2019/12/13,SciampleTraining-STEP7,62,计数器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,63,计数器指令（LAD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,64,计数器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,65,计数器指令（FBD）举例：,指令讲解,2019/12/13,SciampleTraining-STEP7,66,上机实验题目,S_PULSE和S_PEXT的区别？S_ODT和S_ODTS的区别？练习延时断开计时器。练习计数器。做一个每1秒加1的累加器。,2019/12/13,SciampleTraining-STEP7,67,移位指令（LAD/FBD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,68,移位指令（LAD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,69,移位指令（LAD）：,指令讲解,2019/12/13,SciampleTraining-STEP7,70,移位指令（LAD）：,指