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Zwave plus

Posted on 2016-08-16
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Last Modified: 2016-08-22
I had this question after viewing Z-wave v ziggbee v LightwaveRF.


Can someone please confirm that my understanding of zwave plus is incorrect?  I assumed that if I had 10 devices that were zwave plus and if I then added a standard old zwave device (not the new zwave plus), that the whole zwave plus network defaults to a standard zwave speed or it is just along that one non zwave plus path that gets effected i.e. slower?
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Question by:u587162
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btan earned 500 total points
ID: 41764334
If you use ZW+ in all your network, you will get the full benefits of this technology. However, if you have old ZW devices (not Plus) then your network will work as ZWave (old). ZW net work like a mesh chain as shared in the EE link that you shared. IF I will to sum it up, ZWnet it is only as strong and fast as the strongest and fastest link.

The whole ZWnet speed, if there are mixed ZW (old and new gen), will be the speed of ZW (old) not ZW (new gen). Some that is very particular about speed may run independent ZWnet. But note that in ZW mixed environment, there can still be greater ranges, update of firmware and less power consumption to strive for its existence but the deficit to stay with such deployment is in attaining higher speed.

Henceforth, as part of the planning to upgrade from mix environment or to even start first before deciding to go for "mixing" is to minimally have the first element in your ZWnet, which is the ZW controller to move into an new Gen (ZW+ support) so as to take advantage of the higher speed in all your net, or part of it if you still decided for the "mixing" i.e. use any old ZW device.

reference - https://www.domoticz.com/forum/viewtopic.php?t=9618
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by:u587162
ID: 41765134
Hi

Actually just before your reply, I have received two emails, one from a supplier Vesternet and the other from the zwave alliance who both indicate that if the environment has mixed zwave and zwave+ products, then the network will continue to operate as zwave+ except for those products which are the old zwave or where the old product is routing traffic from other zwave+ products.  So the aim is to try and avoid having old zwave route data to the controller.
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Expert Comment

by:btan
ID: 41765161
yes that is the same understanding which is why I see the central ZW controller need to be ZW+ minimally and the intermediate route do not go through the older ZW to benefit the full ZW+ speed.
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