打开系统参数
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk.png)
检查有没有 modbus server,如果没有,新增
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-1.png)
检查端口号是否有误,保存
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-2.png)
如果已有modbus server,检查端口号是否有误
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-3.png)
点击用户密码,将地址改为 LW,将地址改为 1000(与上位机对应)
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-4.png)
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-5.png)
找到首页的当前用户可操作的元件类标签,双击进入属性,点击标签
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-6.png)
如图所示,状态 0 为“无账号登录”,这个状态即上位机发送给触摸屏的权限的十进制数
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-7.png)
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-8.png)
状态3对应技师班长,对应到上位机发送的权限为 0 0 0 0 1 1,十进制为3
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-9.png)
ME对应权限为111,对应十进制7,状态7
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-10.png)
![](https://chino-img.oss-cn-beijing.aliyuncs.com/wp-content/uploads/2024/02/A91y3qhqf_nlkozi_13lk-11.png)
如法炮制,按照这个规则将触摸屏中对应状态的标签内容修改为和上位机的每级权限对应上
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