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2、针对总线没有连通,我遇到的情况跟大家分享下。
(1)ProfiNet网络不能正常连接
a、网线硬件连接就是错误的。由于接线都是接线工来操作。根据在线诊断,定位故障的子站或是分站的设备。 我都是再另外做一根长的网线,单独拉一根到出故障的设备上面,进行检测。直接判断出,网线的硬件接线错误。b.干扰问题所致。当时,我的网络总线布置是分站和变频器走在一路上面,星型连接。每一路上面都是ET200S子站和变频器。当时组态没有问题,但是真正运行时候,就出现网络故障。后来在网络布置上进行更改,一路上把子站放一路,把变频器放一路,这样重新布置网络,重新布线,避免了上面的问题。
厦门岳航计算机工程有限公司
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