How to use Crossbow Xmesh WSN LabVIEW drivers for downstream communication with motes

Hello,
I am trying to use LabVIEW Crossbow Xmesh WSN driver for downstreaming commands but driver programs are not working.
I am interested in changing node (Iris mote with MDA300 board) update rate from LabVIEW program running on host PC .
I have used Set node update rate.vi with open stream.vi and start stream.vi in proper sequence and developed a program to change node update rate. When program is run no error is shown but node update rate is not changed.
Pl suggest what I should I do.
What is the function of WSN write VIs (WSN write Raw 1sensor1point). For what type of message this is used.
I want to actuate relay on MDA300 with mote id 2. What VIs (from driver ) I have to use and how to issue command related to it.
Incase any one can help I will be grateful
Roop

Hi Arjun,
I am sending you snap shot of VI developed to change node update rate.and also the heirarchy of drivers VIs used in the program for better understanding .
In case you can figure out why the command message send is unable to communicate with mote .
Also for downstream communication with motes the packet format used is described in Moteworks user manual from MiMSic.com
I think the developer of these drivers can help you out in solving my problem.
Thanks
Roop
Attachments:
sreenshot to arjun ni for checking downstream comm.doc ‏288 KB

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How to use Crossbow Xmesh WSN LabVIEW drivers for downstream communication with motes

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