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rsb89

Hello TJ,

can you check to which port the WhoIs is sent? (for example with Wireshark)

rsb89

After working more intensively with BACnet4J, I came to the conclusion that it is not supported.

rsb89

On the recipient side, SubscribeCOV is supported, but not SubscribeCOVProperty.

I implemented my own SlaveDevice and it is supporting SubscribeCOV but not SubscribeCOVProperty. But I would like to subscribe just one property, not all. How Can I achieve that my slavedevice supports this?

rsb89

Next question, in hopes that I get an answer eventually ;)

Is it possible to detect which type data has to be I want to write?

rsb89

With the SlaveDeviceTest it works, but unfortunately not with VTS.

rsb89

I've already the next question (not sure if it'd be better to open a new thread for every question or summarize it, I don't want to spam the forum)

What is the most elegant way to discover the properties of an object?
I already read this thread: http://forum.infiniteautomation.com/forum/posts/list/177.page If I understood this right there are two ways:

readProperty() with PropertyIdentifier.all . The Problem I have with this is that both VTS and SlaveDeviceTest don't know that property.
readProperty() for every single property (341 are implemented in BACnet4J). That seems not very elegant to me.

And if I know a property is present at the RemoteObject, how do I know if the property is just readable or also writeable.

Concerning my first post in this thread: Both in VTS and Wireshark show that getProperty() sends a ReadProperty-Message.

Regards
Robert

rsb89

Hi,

I would like to know what the difference between getProperty and readProperty is?

rsb89

Hi,

I would like to know what the difference between getProperty and readProperty is?

rsb89

Hi,

I want to search for a device by its name. I tried to do this with WhoHasRequest this way:


localDevice.sendGlobalBroadcast(new WhoIsRequest(null, new CharacterString("TDev");

With VTS I modeled a device named "TDev". I also can see the request in the VTS but I don't get a response. Has anybody an idea where the problem could be?

rsb89

Hi,

I want to search for a device by its name. I tried to do this with WhoHasRequest this way:


localDevice.sendGlobalBroadcast(new WhoIsRequest(null, new CharacterString("TDev");

With VTS I modeled a device named "TDev". I also can see the request in the VTS but I don't get a response. Has anybody an idea where the problem could be?

rsb89

@rsb89

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