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Thread: Problem with XBee Series 2 RF module

  1. #1

    Default Problem with XBee Series 2 RF module

    Hi Friends,

    The XBee pair is not working
    Part No: XB24-BWIT-004 (XBee z net Series 2)
    Connected XBee1 and XBee2 as 3.3VDC to VCC, GND, and Tx and Rx pins of micro-controller to DIN and DOUT respectively
    Send data @9600 baud rate from XBee1, XBee2 not receiving
    Did I need any setup?

    I had used two XBee pairs without any setup 1 year ago similarly and worked fine @9600 baud rate. I don't remember their part no. I think they may be XBee Series 1 modules.

    Please help.

    Thanks in advance.
    Knowledge is nothing but Experience
    Experience is nothing but Involvement
    www.kerarobot.com

  2. #2
    Senior Member T-1000 akshay66's Avatar
    Join Date
    Dec 2008
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    New Delhi
    Posts
    472

    Default

    Your description is alright.Use multimeter it often proves to be helpful.

    where did you buy from????
    Redefine it your way!!!!

  3. #3
    Senior Member Cyborg
    Join Date
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    Location
    Bangalore, india
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    244

    Default

    have you check are they alive using its AT commands?
    Nikhil Chandra | Bangalore

    Imagination is more important than knowledge.

  4. #4

    Default

    Thanks for your reply

    I connected to both XBEEs to computer via rs232 on the same circuit.
    It is alive and I set the following:
    XBee1
    MY=FFFE
    ID=183
    DH=0
    DL=FFFE
    SH=13A200
    SL=40628BF9

    XBee2
    MY=FFFE
    ID=183
    DH=0
    DL=FFFE
    SH=13A200
    SL=40628BF9

    But still they are not communicating

    Thanks
    Knowledge is nothing but Experience
    Experience is nothing but Involvement
    www.kerarobot.com

  5. #5

    Default

    Quote Originally Posted by akshay66 View Post
    Your description is alright.Use multimeter it often proves to be helpful.

    where did you buy from????
    AQTRONICS, Bangalore - http://www.aqtronics.com/
    Knowledge is nothing but Experience
    Experience is nothing but Involvement
    www.kerarobot.com

  6. #6

    Lightbulb

    The Zigbee Series modules that you used, differ from the Series 2 modules in their functionality & behavior.
    XBee-PRO 802.15.4 (Formerly Series 1) RF modules are point-2-point & point to multipoint, whereas the series 2 modules are partial mesh.
    From what I see in your post, MY=FFFE, is an incorrect id, as long as I remember, it indicates unknown/unmapped device in series 2 modules.
    Further if u are sure that it is proper, check to find if u program one to be a co-coordinator & the other to be a end-device/Router. If not so make sure that you have done that.

    If they are programmed as a co-ordinator & end-device/Router, then you many want to correct your powering sequence. There needs to be a co-ordinator present in the network before any end-node/router can be made a part of a network & assigned a n/w id.

    The main mapping table is maintained by the master(co-ordinator). So without it in the n/w, there will be no communication.

    Hope it helps. tc

    Rohan Soni
    (Robosoft Systems)

  7. #7

    Default Thanks

    You r correct. I purchased the point-2-point pair and works well. I will try you mensioned later. Thanks for you reply

    Quote Originally Posted by robosoftsystems View Post
    The Zigbee Series modules that you used, differ from the Series 2 modules in their functionality & behavior.
    XBee-PRO 802.15.4 (Formerly Series 1) RF modules are point-2-point & point to multipoint, whereas the series 2 modules are partial mesh.
    From what I see in your post, MY=FFFE, is an incorrect id, as long as I remember, it indicates unknown/unmapped device in series 2 modules.
    Further if u are sure that it is proper, check to find if u program one to be a co-coordinator & the other to be a end-device/Router. If not so make sure that you have done that.

    If they are programmed as a co-ordinator & end-device/Router, then you many want to correct your powering sequence. There needs to be a co-ordinator present in the network before any end-node/router can be made a part of a network & assigned a n/w id.

    The main mapping table is maintained by the master(co-ordinator). So without it in the n/w, there will be no communication.

    Hope it helps. tc

    Rohan Soni
    (Robosoft Systems)
    Knowledge is nothing but Experience
    Experience is nothing but Involvement
    www.kerarobot.com

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