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Comments (9)

dathlin avatar dathlin commented on July 22, 2024

暂时不支持订阅该节点的操作。

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U11Leung avatar U11Leung commented on July 22, 2024

感谢回复，请问多句，这是AB平台限制的原因所以不支持呢，还是暂时没有计划支持？其他PLC平台，有支持的吗？

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dathlin avatar dathlin commented on July 22, 2024

其他平台PLC基本是是不支持的，协议层就不支持。AB的EIP协议比较复杂，可能支持，我们还没仔细确认是否支持

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U11Leung avatar U11Leung commented on July 22, 2024

AB 的话，我看新增 tag 和程序下载，在 AB 自己的 HMI，和 wonderware HMI 的 DA 里，都会有提示，应该是能订阅某些事件，或者是能接收到某些事件的通知；至于数据被更新的事件，就不知道了

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nm-1216 avatar nm-1216 commented on July 22, 2024

我有扫描程序

image

配置扫描地址
内容变化后事件通知

image

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U11Leung avatar U11Leung commented on July 22, 2024

请问这些事件会对什么场景作出反应？

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nm-1216 avatar nm-1216 commented on July 22, 2024

你不是要订阅么？
自己起一个订阅服务，把变化量通知出去不就好了

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U11Leung avatar U11Leung commented on July 22, 2024

是轮询并通知订户的方式吧？

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U11Leung avatar U11Leung commented on July 22, 2024

那PLC状态变动的事件能实现吗？

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