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高级电工PLC实操题.doc

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<p>高级电工PLC实操题 PLC可逆运行能耗制动控制 考题内容:PLC可逆运行能耗制动控制 1、按SB1,KM1合,电机正转。 2、按SB2,KM2合,电机反转。 3、按SB3,KM1或KM2停,能耗制动。 (由考评员设定制动时间) &nbsp;4、FR动作,KM1或KM2释放电机自由停车。 &nbsp;&nbsp;5、电机控制符合要求,或模拟屏显示正确。 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;输出分配:&nbsp;&nbsp;&nbsp;KM1&nbsp;&nbsp;&nbsp;&nbsp;Y0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KM2&nbsp;&nbsp;&nbsp;&nbsp;Y1 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KM3&nbsp;&nbsp;&nbsp;&nbsp;Y2 &nbsp;&nbsp;&nbsp;&nbsp;6、画主回路图并接线。 (1) I/O输入、输出分配 X0 &nbsp; SB1(正转) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y0 &nbsp; KM1 X1 &nbsp; SB2(反转) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y1 &nbsp; KM2 X2 &nbsp; SB3(能耗制动) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y2 &nbsp; KM3 X3 &nbsp; FR(热继电保护) &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X0 &nbsp; &nbsp; Y0 X1 &nbsp; &nbsp; Y1 X2 &nbsp; &nbsp; Y2 X3 &nbsp; COM1/2 COM KM1 KM2 KM3 (2)PLC输入、输出图 SB1 KM2 &nbsp; KM3 SB2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;KM1 KM3 SB3 KM1 &nbsp; KM2 FR &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;N &nbsp; &nbsp; &nbsp;L &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 220V (3) 主回路电路图 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; U &nbsp;V &nbsp;W &nbsp;N M ~ D KM1 KM2 KM3 FR (4)步进状态图 S0 S20 S21 S22 S23 M8000 X3 ZRST Y0 Y2 ZRST S20 S23 X0 X1 Y1 Y0 Y0 Y1 X2 X2 T0 K3 T0 Y0 Y1 Y2 T1 K20 T1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; S0 (5) 编写程序: LD &nbsp; &nbsp;M8000 SET &nbsp; S0 STL &nbsp; S0 LD &nbsp; &nbsp;X3 ZRST &nbsp;Y0 Y2 ZRST &nbsp;S20 S23 LD &nbsp; &nbsp;X0 ANI &nbsp; Y1 SET &nbsp; S20 LD &nbsp; &nbsp;X1 ANI &nbsp; Y0 SET &nbsp; S21 STL &nbsp; S20 LDI &nbsp; Y1 OUT &nbsp; Y0 LD &nbsp; &nbsp;X2 SET &nbsp; S22 STL &nbsp; S21 LDI &nbsp; Y0 OUT &nbsp; Y1 LD &nbsp; &nbsp;X2 SET &nbsp; S22 STL &nbsp; S22 OUT &nbsp; TO K3 LD &nbsp; &nbsp;T0 SET &nbsp; S23 STL &nbsp; S23 LDI &nbsp; Y0 ANI &nbsp; Y1 OUT &nbsp; Y2 OUT &nbsp; T1 K20 LD &nbsp; &nbsp;T1 OUT &nbsp; S0 RET END 考试内容:交通灯PLC自动控制 行向; &nbsp; &nbsp;红色30秒 &nbsp; &nbsp; &nbsp; &nbsp;绿色20秒 绿闪5秒 黄色5秒 要求: 绿色20秒 绿闪5秒 黄色5秒 红色30秒 一、行向红灯亮30秒,绿灯亮20秒,绿灯闪5秒(周期1秒),黄灯亮5秒。 二、列向红灯亮30秒,绿灯亮20秒,绿灯闪5秒(周期1秒),黄灯亮5秒。 三、模拟屏显示:行向&nbsp;&nbsp;Y0-----红灯&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y1-----绿灯&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y2-----黄灯。 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;列向&nbsp;&nbsp;Y3-----红灯&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y4-----绿灯&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y5-----黄灯。 四、手动控制时,行、列均黄灯闪烁(周期1秒)。 参考答案: (1)I/O输入、输出分配 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y0-----行向红灯 X0-----起动&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y1-----行向绿灯&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y2-----行向黄灯 X1-----停止&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y3-----列向红灯 &nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y4-----列向绿灯 X2-----手动/自动&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Y2-----列向黄灯 (2)PLC输入、输出图(画出) X0 &nbsp; &nbsp; &nbsp; Y0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y2 X1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y5 X2 COM1-2 COM + — 12V (3)画出状态图 ZRST C0 C1 S0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;M8000 X1 ZRST M0 ZRST S20 S34 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;X0 &nbsp; &nbsp; &nbsp; &nbsp; X2 T21 PLS M0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X2 T20 K5 T21 K5 S33 S32 S31 S30 S20 Y0 Y4 T20 Y2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;T0 K300 T10 K200 Y5 S21 T0 T10 Y1 T11 K5 T1 K200 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;T12 S22 T1 C1 T11 C1 S23 T2 K5 Y4 T3 T12 T12 K5 CO T2 C0 K5 C1 RST C1 S24 Y1 Y5 T3 T3 K5 T13 T13 K50 S34 C0 RST C0 Y2 Y3 T4 T4 K50 &nbsp; &nbsp; &nbsp; &nbsp; T14 T14 K300 S0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; S0 (4)编写指令 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;M8000 SET&nbsp;&nbsp;&nbsp; S0 STL&nbsp;&nbsp;&nbsp; S0 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X1 OR&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;M0 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X2 PLS&nbsp;&nbsp;&nbsp;&nbsp;M0 ANI&nbsp;&nbsp;&nbsp;&nbsp;T21 OUT&nbsp;&nbsp;&nbsp; T20&nbsp;K5 AND&nbsp;&nbsp;&nbsp;&nbsp;T20 OUT&nbsp;&nbsp;&nbsp;&nbsp;T21 OUT&nbsp;&nbsp;&nbsp;&nbsp;Y2 OUT&nbsp;&nbsp;&nbsp;&nbsp;Y5 ZRST&nbsp;&nbsp; CO&nbsp;C1 ZRST&nbsp;&nbsp; Y0&nbsp;Y5 ZRST&nbsp;&nbsp; S20&nbsp;S34 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;X0 ANI&nbsp;&nbsp;&nbsp;&nbsp;X1 SET&nbsp;&nbsp;&nbsp;&nbsp;S20 SET&nbsp;&nbsp;&nbsp;&nbsp;S30 STL&nbsp;&nbsp;&nbsp;&nbsp;S20 OUT&nbsp;&nbsp;&nbsp; Y0 OUT&nbsp;&nbsp;&nbsp; T0&nbsp;K300 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T0 SET&nbsp;&nbsp;&nbsp;&nbsp;S21 STL&nbsp;&nbsp;&nbsp;&nbsp;S21 OUT&nbsp;&nbsp;&nbsp; Y1 OUT&nbsp;&nbsp;&nbsp; T1&nbsp;K200 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T1 SET&nbsp;&nbsp;&nbsp;&nbsp;S22 STL&nbsp;&nbsp;&nbsp;&nbsp;S22 OUT&nbsp;&nbsp;&nbsp; T2&nbsp;K5 LD&nbsp;&nbsp;&nbsp;&nbsp; T2 SET&nbsp;&nbsp;&nbsp;&nbsp;S23 STL&nbsp;&nbsp;&nbsp;&nbsp;S23 OUT&nbsp;&nbsp;&nbsp;&nbsp;C0&nbsp;K5 OUT&nbsp;&nbsp;&nbsp;&nbsp;Y1 OUT&nbsp;&nbsp;&nbsp;&nbsp;T3&nbsp;K5 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T3 ANI&nbsp;&nbsp;&nbsp;&nbsp;C0 RST&nbsp;&nbsp;&nbsp;&nbsp;C0 OUT&nbsp;&nbsp;&nbsp;&nbsp;S22 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T3 AND&nbsp;&nbsp;&nbsp;&nbsp;C0 SET&nbsp;&nbsp;&nbsp;&nbsp;S24 STL&nbsp;&nbsp;&nbsp;&nbsp;S24 OUT&nbsp;&nbsp;&nbsp;&nbsp;Y2 OUT&nbsp;&nbsp;&nbsp;&nbsp;T4&nbsp;K50 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T4 OUT&nbsp;&nbsp;&nbsp;&nbsp;S20 STL&nbsp;&nbsp;&nbsp;&nbsp;S30 OUT&nbsp;&nbsp;&nbsp;&nbsp;Y4 OUT&nbsp;&nbsp;&nbsp;&nbsp;T10&nbsp;K200 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T10 SET&nbsp;&nbsp;&nbsp;&nbsp;S31 STL&nbsp;&nbsp;&nbsp;&nbsp;S31 OUT&nbsp;&nbsp;&nbsp;&nbsp;T11&nbsp;K5 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T11 SET&nbsp;&nbsp;&nbsp;&nbsp;S32 STL&nbsp;&nbsp;&nbsp;&nbsp;S32 OUT&nbsp;&nbsp;&nbsp;&nbsp;C1&nbsp;K5 OUT&nbsp;&nbsp;&nbsp;&nbsp;Y4 OUT&nbsp;&nbsp;&nbsp;&nbsp;T12&nbsp;K5 LD&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;T12 SET&nbsp;&nbsp;&nbsp;&nbsp;S33 STL&nbsp;&nbsp;&nbsp;&nbsp;S33 RST&nbsp;&nbsp;&nbsp;C1 OUT&nbsp;&nbsp;&nbsp;Y5 OUT&nbsp;&nbsp;&nbsp;T13&nbsp;K50 LD&nbsp;&nbsp;&nbsp;&nbsp;T13 SET&nbsp;&nbsp;&nbsp;S34 STL&nbsp;&nbsp;&nbsp;S34 OUT&nbsp;&nbsp;&nbsp;Y3 OUT&nbsp;&nbsp;&nbsp;T14&nbsp;K300 LD&nbsp;&nbsp;&nbsp;&nbsp;T14 OUT&nbsp;&nbsp;&nbsp;S30 RET END (5)接线 (6)运行 考试内容:简易机械手PLC控制 示意图如下: QS 左行限位 原点 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;右行限位 A 上限位 B &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 下限位 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;夹紧 放松 说明:1、机械手的工作是从A点将工件移到B点 2、控制方式: 1) 手动操作:将机械手复归至原点位置。 2) 连续运行:在原点时,按启动按钮,按工作循环图边疆工作一个周期。 一个工作周期工艺过程: 原点 下降 夹紧(T) &nbsp; &nbsp;上升 右移 下降 放松(T) 上升 左移至原点。 3、显示控制 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y0------下降 &nbsp; &nbsp; &nbsp; &nbsp; Y1------夹紧、放松 &nbsp; &nbsp; &nbsp; &nbsp; Y2------上升 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y3------右移 Y4------左移 4、时间T由考评员定 参考答案: (1) I/O输入、输出分配 X0 &nbsp; &nbsp;起动 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y0------下降 X1 &nbsp; &nbsp;下限 X2 &nbsp; &nbsp;上限 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y1------夹紧、放松 X3 &nbsp; &nbsp;右限 X4 &nbsp; &nbsp;左限 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y2------上升 X5 &nbsp; &nbsp;手动/自动 X6 &nbsp; &nbsp;下降 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y3------右移 X7 &nbsp; &nbsp;夹紧、放松 X10 &nbsp; &nbsp;上升 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y4------左移 X11 &nbsp; &nbsp;右移 X12 &nbsp; &nbsp;左移 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y5------原点 X13 &nbsp; &nbsp;原点 X14 &nbsp; &nbsp;急停/复位 (2) PLC输入、输出图 X0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y0 X1 X2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y1 X3 X4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y2 X5 X6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y3 X7 X10 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y4 X11 X12 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y5 X13 X14 &nbsp; &nbsp; &nbsp;COM1/2 COM + &nbsp; &nbsp; — 12V (3)状态流程图 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; (4)步进状态图 X5 CJ &nbsp;P0 X6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;M8000 Y0 X14 ZRST S20 &nbsp;S28 S0 X7 Y1 ZRST Y0 &nbsp;Y5 X10 &nbsp; &nbsp; &nbsp;X2 Y2 &nbsp; &nbsp; &nbsp;X4 S200 X11 SET Y1 Y3 Y5 X12 &nbsp; &nbsp; &nbsp;X0 S210 Y4 Y0 FEND S220 P0 &nbsp; &nbsp; X1 自动程序 RST Y1 RET T0 K20 S230 END &nbsp; &nbsp; T0 S240 Y2 &nbsp; &nbsp; &nbsp;X2 S250 Y3 &nbsp; &nbsp; &nbsp;X3 S260 Y0 &nbsp; &nbsp; X1 S270 SET Y1 T1 K20 &nbsp; &nbsp; &nbsp;T1 S280 Y2 &nbsp; &nbsp; &nbsp;X2 Y4 &nbsp; &nbsp; &nbsp;X4 S20 (5)编写程序 LD &nbsp; &nbsp;X5 SET &nbsp; S22 CJ &nbsp; &nbsp; P0 STL &nbsp; S22 LD &nbsp; &nbsp;X6 RST &nbsp; Y1 OUT &nbsp; Y0 OUT &nbsp; T0 &nbsp;K20 LD &nbsp; &nbsp;X7 LD &nbsp; &nbsp;T0 OUT &nbsp; Y1 SET &nbsp; S23 LD &nbsp; &nbsp;X10 STL &nbsp; S23 OUT &nbsp; Y2 OUT &nbsp; Y2 LD &nbsp; &nbsp;X11 LD &nbsp; &nbsp;X2 OUT &nbsp; Y3 SET &nbsp; S24 LD &nbsp; &nbsp;X12 STL &nbsp; S24 OUT &nbsp; Y4 OUT &nbsp; Y3 LD &nbsp; &nbsp;X13 LD &nbsp; &nbsp;X3 OUT &nbsp; Y5 SET &nbsp; S25 FEND STL &nbsp; S25 P0 OUT &nbsp; Y0 LD &nbsp; &nbsp;M8000 LD &nbsp; &nbsp;X1 SET &nbsp; S0 SET &nbsp; S26 STL &nbsp; S0 STL &nbsp; S26 LD &nbsp; &nbsp;X14 SET &nbsp; Y1 ZRST &nbsp;S20 &nbsp;S28 OUT &nbsp; T1 &nbsp;K20 ZRST &nbsp;Y0 &nbsp; Y5 LD &nbsp; &nbsp;T1 LD &nbsp; &nbsp;X2 SET &nbsp; S27 AND &nbsp; X4 STL &nbsp; S27 SET &nbsp; S20 OUT &nbsp; Y2 STL &nbsp; S20 LD &nbsp; &nbsp;X2 SET &nbsp; Y1 SET &nbsp; S28 OUT &nbsp; Y5 STL &nbsp; S28 LD &nbsp; &nbsp;X0 OUT &nbsp; Y4 SET &nbsp; S21 LD &nbsp; &nbsp;X4 STL &nbsp; S21 OUT &nbsp; S20 OUT &nbsp; Y0 RET LD &nbsp; &nbsp;X1 END (6) 接线 (7) 调试、运行 考题内容:电镀生产线PLC控制 SQ1----SQ4为行车进退限位开关 SQ5----SQ6为吊钩上下限位开关 工作要求: 1)、具有自动与手动(点动)转换功能 2)、控制工艺过程 SQ4 SQ3 SQ2 SQ1 &nbsp; &nbsp; &nbsp; &nbsp;SQ5 停5秒 停5秒 停10秒 &nbsp; &nbsp; &nbsp; &nbsp;SQ6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 原点 停12秒 停12秒 停30秒 参考答案: (1)I /O输入、输出分配 X0 &nbsp; &nbsp;起动 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y0 &nbsp; 上升 X1 &nbsp; &nbsp;SQ1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y1 &nbsp; 下降 X2 &nbsp; &nbsp;SQ2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y2 &nbsp; 右行 X3 &nbsp; &nbsp;SQ3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y3 &nbsp; 左行 X4 &nbsp; &nbsp;SQ4 Y4 &nbsp; &nbsp;原点 X5 &nbsp; &nbsp;SQ5 Y5 &nbsp; &nbsp;1#槽 X6 &nbsp; &nbsp;SQ6 Y6 &nbsp; &nbsp;2#槽 X10 &nbsp; 手动/自动 Y7 &nbsp; &nbsp;3#槽 X11 &nbsp; Y0 Y10 &nbsp; 滴水停留指示 X12 &nbsp; Y2 X13 &nbsp; Y1 X14 &nbsp; Y3 X15 &nbsp; 急停 (3) LC输入、输出图 X0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y0 X1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y1 X2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y2 X3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y3 X4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y4 X5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y5 X6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y6 X10 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y7 X11 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y10 X12 &nbsp; &nbsp; &nbsp; &nbsp;COM1-3 X13 X14 X15 COM + — 12V (4)状态流程图 X10 CJ &nbsp;P0 X11 &nbsp;X5 &nbsp;Y1 Y0 X12 &nbsp;X1 &nbsp; Y3 Y3 X13 &nbsp;X6 &nbsp;Y0 Y1 X14 &nbsp;X5 &nbsp;Y2 Y3 FEND P0 自动程序 RET END (5)步进状态图 M8000 X15 ZRTS &nbsp;S20 &nbsp;S38 S0 ZRST &nbsp;Y0 &nbsp; Y10 S31 X4 X6 &nbsp; &nbsp; &nbsp; &nbsp; X5 S20 Y4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y10 S32 T3 &nbsp;K50 X0 &nbsp; &nbsp; &nbsp; &nbsp; T3 S21 Y0 Y3 S22 X5 &nbsp; &nbsp; &nbsp; &nbsp; X3 S33 Y2 Y1 S34 S23 X1 &nbsp; &nbsp; &nbsp; &nbsp; X6 Y1 Y6 S35 S24 T4 &nbsp;K120 X6 &nbsp; &nbsp; &nbsp; &nbsp; T4 Y5 Y0 S36 S25 T0 &nbsp;K300 T0 &nbsp; &nbsp; &nbsp; &nbsp; X5 Y0 Y10 S37 S26 T5 &nbsp;K50 X5 &nbsp; &nbsp; &nbsp; &nbsp; T5 Y10 Y3 S38 S27 T1 &nbsp;K100 T1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;X4 Y3 Y1 S28 X2 &nbsp; &nbsp; &nbsp; &nbsp; X6 Y0 S29 &nbsp;S20 X6 Y10 S30 T2 &nbsp;K120 T2 Y0 (6)编写程序: LD &nbsp; &nbsp;X10 SET &nbsp; S23 SET &nbsp; S32 CJ &nbsp; &nbsp;P0 STL &nbsp; S23 STL &nbsp; S32 LD &nbsp; &nbsp;X11 OUT &nbsp; Y1 OUT &nbsp; Y3 ANI &nbsp; X5 LD &nbsp; &nbsp;X6 LD &nbsp; &nbsp;X3 ANI &nbsp; Y1 SET &nbsp; S24 SET &nbsp; S33 OUT &nbsp; Y0 STL &nbsp; S24 STL &nbsp; S33 LD &nbsp; &nbsp;X12 OUT &nbsp; Y5 OUT &nbsp; Y1 ANI &nbsp; X1 OUT &nbsp; T0 &nbsp;K300 LD &nbsp; &nbsp;X6 ANI &nbsp; Y3 LD &nbsp; &nbsp;T0 SET &nbsp; S34 OUT &nbsp; Y2 SET &nbsp; S25 STL &nbsp; S34 LD &nbsp; &nbsp;X13 STL &nbsp; S25 OUT &nbsp; Y7 ANI &nbsp; X6 OUT &nbsp; Y0 OUT &nbsp; T4 &nbsp;K120 ANI &nbsp; Y0 LD &nbsp; &nbsp;X5 LD &nbsp; &nbsp;T4 OUT &nbsp; Y1 SET &nbsp; S26 SET &nbsp; S35 LD &nbsp; &nbsp;X14 STL &nbsp; S26 STL &nbsp; S35 ANI &nbsp; X4 OUT &nbsp; Y10 OUT &nbsp; Y0 ANI &nbsp; Y2 OUT &nbsp; T1 &nbsp;K100 LD &nbsp; &nbsp;X5 OUT &nbsp; Y3 LD &nbsp; &nbsp;T1 SET &nbsp; S36 FEND SET &nbsp; S27 STL &nbsp; S36 P0 STL &nbsp; S27 OUT &nbsp; Y10 LD &nbsp; &nbsp;M8000 OUT &nbsp; Y3 OUT &nbsp; T5 &nbsp;K50 SET &nbsp; S0 LD &nbsp; &nbsp;X2 LD &nbsp; &nbsp;T5 STL &nbsp; S0 SET &nbsp; S28 SET &nbsp; S37 LD &nbsp; &nbsp;X15 STL &nbsp; S28 STL &nbsp; X37 ZRST &nbsp;S20 &nbsp;S38 OUT &nbsp; Y1 OUT &nbsp; Y3 ZRST &nbsp;Y0 &nbsp;Y10 LD &nbsp; &nbsp;X6 LD &nbsp; &nbsp;X4 LD &nbsp; &nbsp;X4 SET &nbsp; S29 SET &nbsp; S38 AND &nbsp; X6 STL &nbsp; S29 STL &nbsp; S38 SET &nbsp; S20 OUT &nbsp; Y6 OUT &nbsp; Y1 STL &nbsp; S20 OUT &nbsp; T2 &nbsp;K120 LD &nbsp; &nbsp;X6 OUT &nbsp; Y4 LD &nbsp; &nbsp;T2 OUT &nbsp; S20 LD &nbsp; &nbsp;X0 SET &nbsp; S30 RET SET &nbsp; S21 STL &nbsp; S30 END STL &nbsp; S21 OUT &nbsp; Y0 OUT &nbsp; Y0 LD &nbsp; &nbsp;X5 LD &nbsp; &nbsp;X5 SET &nbsp; S31 SET &nbsp; S22 STL &nbsp; S31 STL &nbsp; S22 OUT &nbsp; Y10 OUT &nbsp; Y2 OUT &nbsp; T3 &nbsp;K50 LD &nbsp; &nbsp;X1 LD &nbsp; &nbsp;T3 (7)接线 (8) 调试、运行 考题内容:皮带机运输线PLC控制 在建材、化工、机械、冶金、矿山等工业生产中广泛使用皮带机运输系统运送原料或物品。 供料由电阀DT控制,电动机M1、M2、M3、M4分别用于驱动皮带运输线PD1、PD2、PD3、PD4。储料仓设有空仓和满仓信号。 DT &nbsp; &nbsp; &nbsp; X4 M1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;M2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; M3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;M4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X3 控制要求: 1)、正常起动:仓空或按起动按钮的起动顺序为:M1、DT、M2、M3、M4。间隔时间5秒。 2)、正常停止:为使皮带上不留物料,要求顺物料流动方向按一定时间间隔顺序停止。 即停止顺序为DT、M1、M2、M3、M4。间隔时间5秒。 3)、紧急停止时,无条件所有电动机和电磁阀全部停止。 4)、故障后的起动,为避免前段皮带上造成物料堆积,要求按物流相反方向按一定时间间隔顺序起动。故障后的起动顺序为M4、M3、M2、M1、DT,延时间隔10秒。 5)具有点动控制功能。 参考答案: I/O 输入、输出分配 X0 &nbsp; &nbsp;正常/故障后起动 &nbsp; &nbsp; &nbsp; &nbsp; Y0 &nbsp; &nbsp;DT X1 &nbsp; &nbsp;空仓/正常停止 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Y1 &nbsp; &nbsp;M1 X2 &nbsp; &nbsp;急停 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y2 &nbsp; &nbsp;M2 X3 &nbsp; &nbsp;空仓 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y3 &nbsp; &nbsp;M3 X4 &nbsp; &nbsp;满仓 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y4 &nbsp; &nbsp;M4 X5 &nbsp; &nbsp;手动/自动 X6 &nbsp; &nbsp;DT X7 &nbsp; &nbsp;M1 X10 &nbsp; M2 X11 &nbsp; M3 X12 &nbsp; M4 (2) PLC输入、输出图 X1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y0 X2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y1 X3 X4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y2 X5 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y3 X6 X7 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y4 X10 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;COM1/2 X11 X12 COM + &nbsp; &nbsp; — 12V (3)步进状态转移图 &nbsp; &nbsp; &nbsp; M800 X2 S0 ZRST &nbsp;Y0 &nbsp;Y4 M1 ZRST &nbsp;S20 &nbsp;S23 SET &nbsp;M0 X0 X3 X0 X3 X1 X4 M0 M0 X12 X12 X12 X12 T0 &nbsp;K50 T4 &nbsp;K100 T8 &nbsp;K50 PLS &nbsp;M1 T1 &nbsp;K100 T5 &nbsp;K200 T9 &nbsp;K100 S23 S22 S21 S20 T2 &nbsp;K150 T6 &nbsp;K300 &nbsp; T10 &nbsp;K150 RST &nbsp;M0 T3 &nbsp;K200 T7 &nbsp;K400 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; T11 &nbsp;K200 X5 SET &nbsp;Y1 SET &nbsp;Y4 RST &nbsp;Y0 Y0 T0 T4 T8 X6 SET &nbsp;Y0 SET &nbsp;Y3 RST &nbsp;Y1 Y1 T1 T5 T9 X7 SET &nbsp;Y2 SET &nbsp;Y2 RST &nbsp;Y2 Y2 T2 T6 T10 X10 SET &nbsp;Y3 SET &nbsp;Y1 RST &nbsp;Y3 Y3 T3 T7 T11 X11 SET &nbsp;Y4 SET &nbsp;Y0 RST &nbsp;Y4 Y4 RST &nbsp;M0 Y4 Y0 Y4 X12 S0 S0 S0 S0 (4)编写指令 LD &nbsp; &nbsp;M8000 SET &nbsp; Y0 RST &nbsp; Y0 SET &nbsp; S0 LD &nbsp; &nbsp;T1 LD &nbsp; &nbsp;T8 STL &nbsp; S0 SET &nbsp; Y2 RST &nbsp; Y1 LD &nbsp; &nbsp;X1 LD &nbsp; &nbsp;T2 LD &nbsp; &nbsp;T9 OR &nbsp; &nbsp;M1 SET &nbsp; Y3 RET &nbsp; Y2 ZRST &nbsp;Y0 &nbsp;Y4 LD &nbsp; &nbsp;T3 LD &nbsp; &nbsp;T10 ZRST &nbsp;S20 &nbsp;S23 OUT &nbsp; Y4 RST &nbsp; Y3 SET &nbsp; M0 LD &nbsp; &nbsp;Y4 LD &nbsp; &nbsp;T11 LD &nbsp; &nbsp;X0 OUT &nbsp; S0 RST &nbsp; Y4 OR &nbsp; &nbsp;M1 STL &nbsp; S20 LDI &nbsp; Y4 ANI &nbsp; M0 OUT &nbsp; T4 &nbsp;K100 OUT &nbsp; S0 ANI &nbsp; X12 OUT &nbsp; T5 &nbsp;K200 STL &nbsp; S23 SET &nbsp; S20 OUT &nbsp; T6 &nbsp;K300 RST &nbsp; M0 LD &nbsp; &nbsp;X0 OUT &nbsp; T7 &nbsp;K400 PLS &nbsp; M1 OR &nbsp; X3 SET &nbsp; Y4 LD &nbsp; &nbsp;X5 AND &nbsp; M0 LD &nbsp; &nbsp;T4 OUT &nbsp; Y0 ANI &nbsp; X12 SET &nbsp; Y3 LD &nbsp; &nbsp;X6 SET &nbsp; S21 LD &nbsp; &nbsp;T5 OUT &nbsp; Y1 LD &nbsp; &nbsp;X1 SET &nbsp; Y2 LD &nbsp; &nbsp;X7 OR &nbsp; X4 LD &nbsp; &nbsp;T6 OUT &nbsp; Y2 ANI &nbsp; X12 SET &nbsp; Y1 LD &nbsp; &nbsp;X10 SET &nbsp; S22 LD &nbsp; &nbsp;T7 OUT &nbsp; Y3 LD &nbsp; &nbsp;X12 SET &nbsp; Y0 LD &nbsp; &nbsp;X11 SET &nbsp; S23 RST &nbsp; M0 OUT &nbsp; Y4 STL &nbsp; S20 LD &nbsp; &nbsp;Y0 LD &nbsp; &nbsp;X12 OUT &nbsp; T0 &nbsp;K50 OUT &nbsp; S0 OUT &nbsp; S0 OUT &nbsp; T1 &nbsp;K100 STL &nbsp; S22 OUT &nbsp; T2 &nbsp;K150 OUT &nbsp; T8 &nbsp;K50 OUT &nbsp; T3 &nbsp;K200 OUT &nbsp; T9 &nbsp;K100 SET &nbsp; Y1 OUT &nbsp; T10 &nbsp;K150 LD &nbsp; &nbsp;T0 OUT &nbsp; T11 &nbsp;K200 (5)接线 (6)调试、运行 三层电梯的PLC控制 一、控制要求: 1.电梯停在一层或二层时,按3AX则电梯上行至3LS停止; 2.电梯停在三层或二层时,按1AS则电梯下行至1LS停止; 3.电梯停在一层时,按2AS则电梯上行至2LS停止; 4.电梯停在三层时,按2AX则电梯下行至2LS停止; 5.电梯停在一层时,按2AS、3AX则电梯上行至2LS停止t秒,然后继续自动上行至3LS停止; 6.电梯停在三层时,按2AS、1AS则电梯运行至2LS停t秒,然后继续自动下行至1LS停止; 7.电梯上行途中,下降招呼无效;电梯下行途中,上行招呼无效; 8.轿箱位置要求用七段数码管显示,上行、下行用上下箭头指示灯指示。 二、符号意义 1.1AS、2AS、2AX、3AX分别为一、二、三层招呼信号; 2.1LS、2LS、3LS分别为一、二、三层磁感应位置开关(可用位置开关代替)。 参考答案: (1)I/O输入、输出分配 X0 &nbsp; &nbsp;1AS &nbsp; &nbsp; &nbsp; &nbsp; Y0 &nbsp; &nbsp;1AS显示 X1 &nbsp; &nbsp;2AS &nbsp; &nbsp; &nbsp; &nbsp; Y1 &nbsp; &nbsp;2AS显示 X2 &nbsp; &nbsp;2AX &nbsp; &nbsp; &nbsp; &nbsp; Y2 &nbsp; &nbsp;2AX显示 X3 &nbsp; &nbsp;3AX &nbsp; &nbsp; &nbsp; &nbsp; Y3 &nbsp; &nbsp;3AS显示 X4 &nbsp; &nbsp;1LS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y4 &nbsp; &nbsp;上升箭头 X5 &nbsp; &nbsp;2LS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y5 &nbsp; &nbsp;下降箭头 X6 &nbsp; &nbsp;3LS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y10-----------Y16 七段数码管显示 (2)PLC输入、输出图 X0 &nbsp; &nbsp; &nbsp; &nbsp; Y0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X1 &nbsp; &nbsp; &nbsp; &nbsp; Y1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X2 &nbsp; &nbsp; &nbsp; &nbsp; Y2 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X3 &nbsp; &nbsp; &nbsp; &nbsp; Y3 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X4 &nbsp; &nbsp; &nbsp;COM0 &nbsp; &nbsp; &nbsp; X5 &nbsp; &nbsp; &nbsp; &nbsp; Y4 &nbsp; &nbsp; &nbsp; X6 &nbsp; &nbsp; &nbsp; &nbsp; Y5 &nbsp; &nbsp; &nbsp; COM &nbsp; &nbsp; &nbsp;Y10 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y11 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y12 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y13 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y14 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y15 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;Y16 &nbsp;COM1-COM4 1AS 2AS 2AX 3AX 1LS + &nbsp;— 24V 2LS 3LS &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; 字划公共端 + &nbsp; &nbsp; &nbsp;- 12V (3)梯形图 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X0 X4 Y0 &nbsp; &nbsp; M0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MO &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X6 &nbsp; &nbsp; X2 X5 &nbsp; &nbsp; M1 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; X4 &nbsp; &nbsp; X1 &nbsp; &nbsp; &nbsp; &nbsp; M1 &nbsp; &nbsp; &nbsp; &nbsp; X3 X6 Y1 &nbsp; &nbsp; M2 M2 M2 X6 M4 &nbsp;Y1 Y0 M1 M1 X4 M4 &nbsp;Y0 Y1 M0 M2 &nbsp; &nbsp;M1 T0 M3 M1 &nbsp; &nbsp;M0 M3 M3 &nbsp; &nbsp;X5 M4 T0 K20 X4 MOV &nbsp;K1 &nbsp;D0 X5 MOV &nbsp;K2 &nbsp;D0 X6 MOV &nbsp;K3 &nbsp;D0 M8000 SEGD &nbsp;D0 &nbsp;K2Y10 END (4)编写指令 LD &nbsp; &nbsp; X0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;LD &nbsp; &nbsp; X6 OR &nbsp; &nbsp; M0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; MOV &nbsp; &nbsp;K3 &nbsp;D0 ANI &nbsp; &nbsp;X4 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;LD &nbsp; &nbsp; M8000 ANI &nbsp; &nbsp;Y0 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;SEGD &nbsp; D0 &nbsp;K2Y10 LD &nbsp; &nbsp; X6 &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;END AND &nbsp; X2 LD &nbsp; &nbsp; X4 AND &nbsp; X1 ORB OR &nbsp; &nbsp; M1 ANI &nbsp; &nbsp;X5 OUT &nbsp; &nbsp;M0 LD &nbsp; &nbsp; X3 OR &nbsp; &nbsp; M2 ANI &nbsp; &nbsp;X6 ANI &nbsp; &nbsp;Y1 OUT &nbsp; &nbsp;M2 LD &nbsp; &nbsp; M1 OR &nbsp; &nbsp; M2 ANI &nbsp; &nbsp;X6 ANI &nbsp; &nbsp;M4 ANI &nbsp; &nbsp;Y1 OUT &nbsp; &nbsp;Y0 LD &nbsp; &nbsp; M0 OR &nbsp; &nbsp; M1 ANI &nbsp; &nbsp;X4 ANI &nbsp; &nbsp;M4 ANI &nbsp; &nbsp;Y0 OUT &nbsp; &nbsp;Y1 LD &nbsp; &nbsp; M1 AND &nbsp; &nbsp;M2 LD &nbsp; &nbsp; MO AND &nbsp; &nbsp;M1 ORB OR &nbsp; &nbsp; M3 ANI &nbsp; &nbsp;T0 OUT &nbsp; &nbsp;M3 LD &nbsp; &nbsp; X5 AND &nbsp; &nbsp;M3 OUT &nbsp; &nbsp;M4 OUT &nbsp; &nbsp;T0 &nbsp;K20 LD &nbsp; &nbsp; X4 MOV &nbsp; &nbsp;K1 &nbsp;D0 LD &nbsp; &nbsp; X5 MOV &nbsp; &nbsp;K2 &nbsp;D0</p>
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