1.总体掌握哀求:如面板图所示，利用直流电机带动滑块在各位置之间运动。2.本实训系统启动后，滑块先滑至S1位置(若滑块开始就处于S1位置，则3s后系统进入掌握状态)。
3.直流电机开始正转，滑块沿导轨向右运行，当滑块经由光电开关时，光电开关给PLC发送一个位置旗子暗记，使其后面的位置指示灯点亮。
1.滑块的一个周期的运动规律为S1→S4-S1-S3-S2-S4-S1。
2．当一个周期结束后若启动开关仍处于ON状态，则3s后滑块仍按原规律运动，并按此循环，周而复始。
3.断开启动开关，系统停滞运行。
2.IO地址3.程序
4.STL语句TITLE=程序注释
Network 1
LD I0.0
EU
O M1.0
AN M0.1
A I0.0
= M1.0
Network 2 // 网络标题
// 网络注释
LD I0.0
EU
O M0.0
AN I0.1
A I0.0
= M0.0
Network 3
LD M1.0
A I0.1
LD M0.7
A I0.0
A I0.1
OLD
A I0.0
TON T37, 30
Network 4
LD T37
EU
O M0.1
AN M0.2
A I0.0
= M0.1
Network 5
LD M0.1
A I0.4
EU
O M0.2
AN M0.3
A I0.0
= M0.2
Network 6
LD M0.2
A I0.1
EU
O M0.3
AN M0.4
A I0.0
= M0.3
Network 7
LD M0.3
A I0.3
EU
O M0.4
AN M0.5
A I0.0
= M0.4
Network 8
LD M0.4
A I0.2
EU
O M0.5
AN M0.6
A I0.0
= M0.5
Network 9
LD M0.5
A I0.4
O M0.6
AN M0.7
A I0.0
= M0.6
Network 10
LD M0.6
A I0.1
O M0.7
A I0.0
AN M0.1
= M0.7
Network 11
LD M0.1
O M0.3
O M0.5
= Q0.0
Network 12
LD M0.0
O M0.2
O M0.4
O M0.6
= Q0.1
Network 13
LD I0.1
= Q0.2
Network 14
LD I0.2
= Q0.3
Network 15
LD I0.3
= Q0.4
Network 16
LD I0.4
= Q0.5
Network 17
Network 18
Network 19
Network 20
Network 21
Network 22
Network 23
Network 24
Network 25
Network 26