有些时候只是想使用PLC的IO,但又不会写PLC或者不想看懂PLC的通信协议,那么,可以直接使用串口直接发送相应的字符串进行控制IO端口。
串口设置:
波特率 9600
数据位 7
停止位 1
校验和 偶校验
| IO | 操作 | 上位机 | |
| 发送 | 接收 | ||
| Y0 | 05 | ||
| 02 30 30 45 30 32 30 32 03 36 43 | |||
| 02 45 30 31 38 30 30 30 34 30 03 44 35 | |||
| 02 45 30 31 38 30 34 30 31 43 03 45 39 | |||
| ON | 02 45 37 30 30 30 43 03 35 32 | 06 | |
| OFF | 02 45 38 30 30 30 43 03 35 33 | 06 | |
| Y1 | ON | 02 45 37 30 31 30 43 03 35 33 | 06 |
| OFF | 02 45 38 30 31 30 43 03 35 34 | 06 | |
| Y2 | ON | 02 45 37 30 32 30 43 03 35 34 | 06 |
| OFF | 02 45 38 30 32 30 43 03 35 35 | 06 | |
| Y3 | ON | 02 45 37 30 33 30 43 03 35 35 | 06 |
| OFF | 02 45 38 30 33 30 43 03 35 36 | 06 | |
| Y4 | ON | 02 45 37 30 34 30 43 03 35 36 | 06 |
| OFF | 02 45 38 30 34 30 43 03 35 37 | 06 | |
| Y5 | ON | 02 45 37 30 35 30 43 03 35 37 | 06 |
| OFF | 02 45 38 30 35 30 43 03 35 38 | 06 | |
| Y6 | ON | 02 45 37 30 36 30 43 03 35 38 | 06 |
| OFF | 02 45 38 30 36 30 43 03 35 39 | 06 | |
| Y7 | ON | 02 45 37 30 37 30 43 03 35 39 | 06 |
| OFF | 02 45 38 30 37 30 43 03 35 41 | 06 | |
| Y10 | ON | 02 45 37 30 38 30 43 03 35 41 | 06 |
| OFF | 02 45 38 30 38 30 43 03 35 42 | 06 | |
| Y11 | ON | 02 45 37 30 39 30 43 03 35 42 | 06 |
| OFF | 02 45 38 30 39 30 43 03 35 43 | 06 | |
| Y12 | ON | 02 45 37 30 41 30 43 03 36 33 | 06 |
| OFF | 02 45 38 30 41 30 43 03 36 34 | 06 | |
| Y13 | ON | 02 45 37 30 42 30 43 03 36 34 | 06 |
| OFF | 02 45 38 30 42 30 43 03 36 35 | 06 | |
| Y14 | ON | 02 45 37 30 43 30 43 03 36 35 | 06 |
| OFF | 02 45 38 30 43 30 43 03 36 36 | 06 | |
| Y15 | ON | 02 45 37 30 44 30 43 03 36 36 | 06 |
| OFF | 02 45 38 30 44 30 43 03 36 37 | 06 | |
| Y16 | ON | 02 45 37 30 45 30 43 03 36 37 | 06 |
| OFF | 02 45 38 30 45 30 43 03 36 38 | 06 | |
| Y17 | ON | 02 45 37 30 46 30 43 03 36 38 | 06 |
| OFF | 02 45 38 30 46 30 43 03 36 39 | 06 | |
| 查看IO状态 | Y0-Y7,Y10-Y17 | 02 30 30 30 41 30 30 32 03 36 36 | |
| X0-X7,X10-X17 | 02 30 30 30 38 30 30 32 03 35 44 | ||
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