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Xbee parameters goes to default values

0 votes
Hi.
I am using Xbee S8 (868) in API1 mode. The Xbee is connected to host controller over UART.
I use AT mode for setting Network ID of the device by changing the mode.
The problem is some times the values of Xbee parameters changes to default without me sending any RE command. Sometimes only one value changes. The values i am concerned about are Network ID and EE (encryption enable). It gets changed and my complete network gets affected.
Any inputs?
asked Aug 14, 2017 in IEEE 802.15.4 by yafisdamda New to the Community (2 points)

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1 Answer

0 votes
Are you using the Write parameter when setting the values?

Are you seeing any API status frames indicating a watch dog reset or anything?
answered Aug 14, 2017 by mvut Veteran of the Digi Community (14,818 points)
Hi.
I am setting these values using xctu, atleast the EE parameter. But the network-id is set by the host processor.
I am not seeing any frames indicating watchdog reset.
Does a watchdog reset sets these values to default?
commented Aug 16, 2017 by yafisdamda New to the Community (2 points)
As long as the settings are written to flash with the WR command, a watch dog reset would not change them.
commented Aug 16, 2017 by mvut Veteran of the Digi Community (14,818 points)
Yes. I am using WR command. But my concern is how come the EE parameter is changed? I set this using xctu.
commented Aug 17, 2017 by yafisdamda New to the Community (2 points)
Do you see this occur when the module is NOT connected to your processor?  That is, can you reproduce this outside of your hardware?
commented Aug 17, 2017 by mvut Veteran of the Digi Community (14,818 points)
No. I have not observed this behavior outside of my hardware. Strangely this occur sometimes. But i have faced this quiet a few times.
commented Aug 18, 2017 by yafisdamda New to the Community (2 points)
Than it has to be something in your application that issuing the change of the command or an ATRE or something of that nature.
commented Aug 18, 2017 by mvut Veteran of the Digi Community (14,818 points)
well. The application is not sing ATRE command. I will check it anyway. What else could be the reason?
commented Aug 22, 2017 by yafisdamda New to the Community (2 points)
If you have written the values to memory using the WR command, the only way to change them is by entering command mode and changing the value again, issue an ATRE via the local UART or either from an over the air command. That is it.
commented Aug 22, 2017 by mvut Veteran of the Digi Community (14,818 points)
Can this happen because of power fluctuations?
commented Aug 24, 2017 by yafisdamda New to the Community (2 points)
If you mean by providing the radio less than then VCC Min? if so, than anything can occur when you operate out of the VCC Specification.
commented Aug 24, 2017 by mvut Veteran of the Digi Community (14,818 points)
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