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rs485的电机保护器与315-2DP挂IM153-1的网络怎么连接怎么组态? | 找知识-找PLC

rs485的电机保护器与315-2DP挂IM153-1的网络怎么连接怎么组态?


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现在采用315-2PN/DP外加IM153-1的网络,我想把带RS485接口的电机保护器接入,怎么连接?需要 些什么?怎么组态?或者和WINCC怎么通讯?需要 些什么?谁可以提供相关资料或例子,谢谢!或详细说明一下!

问题补充:
ruixm说的有道理,只是能不能提供些例子,资料呢?再就是和153同时挂在总线上安全性,稳定性怎么样?因为它在现场,如果总线断了,上面的153会不会认为硬件故障,而不能正常工作了 呢?tianduowang@163.com  tianduowang@eyou.com希望能提供个例子

最佳答案

RS485只是定义了接口的物理层协议标准,还需要确认其上层通讯协议,比如PROFIBUS-DP,此时首先需要在硬件组态中安装其GSD文件,然后在PROFIBUS-网络下插入此从站,并定义通讯参数即可。

 补充:关于“和153同时挂在总线上安全性,稳定性怎么样?因为它在现场,如果总线断了,上面的153会不会认为硬件故障,而不能正常工作了呢?”
 电机保护器作为一个从站挂在总线上,其对总线的安全性,稳定性影响从软件角度来说和其它从站一样,从硬件角度来说,比如“它在现场”其影响由电机保护器决定,一般来说这种现场通讯模块其防护等级都是比较高的。
 如果此从站通讯断了,153不会认为硬件故障,而是cpu315会检测到通讯故障,此时需要在step7中插入对应的OB块,[参考编程手册,OB41硬件中断,OB82 IO1中断,OB82 IO1中断],出现对应的故障时按照其中的指令执行,比如输出报警信号,屏蔽输出,或者CPU STOP,如果程序为空,CPU只总线报警,BF亮,但不停机,但如果没有对应OB块,CPU就会停机。

提问者对于答案的评价:
将就吧


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原创文章,作者:more0621,如若转载,请注明出处:https://www.zhaoplc.com/plc318687.html

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