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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> Radio Manufacturer Direct Support >> Weatronic Support Forum >> PPM Failsafe
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PPM Failsafe - 2/2/2008 4:01:27 PM   
Edgar Perez



Posts: 1126
Joined: 12/1/2001
From: San Lorenzo, PUERTO RICO (USA)
Status: offline 		Hi
How does the receiver determines to it needs to go to failsafe when using PPM mode? I thinking in cases of noise / interference that still allow the received signal to remain within 'valid' values, yet the plane may be dancing on the sky!

Also, if I get the log in CSV format by having one line per second, can I just add the current consumption to estimate total battery consumption. Think it should work if that number is really the average consumption for that second.


Thanks,
Edgar


_____________________________

Edgar Perez
Puerto Rico
       Post #: 1

RE: PPM Failsafe - 2/2/2008 4:57:08 PM   
gerhardp


 

Posts: 90
Joined: 4/13/2007
From: Scappoose, OR, USA
Status: offline 		Hi Edgar,
In PPM-mode it also looks at the frames that get transmitted. if that falls to 0, then the receiver will go into failsafe. Because of the design of the receiver that eliminates all the cables that usually exist between the power supply etc there is less likely going to be any interference. Also please go to the link on my website that refers to an article explaining the difference between PCM and PPM.
In respect to the average current drawn, that you can derive from the excel file I have not had the opportunity to prove it to the detail. but in general it will be fairly accurate. The data gets sampled even more often than every second. It is displayed in the NavView on the left in the list every second, but the display on the right has a resolution of 1 msec (millisecond or 1/1000). You can also have that transferred into a CSV-file.

Thanks,

Gerhard

(in reply to Edgar Perez)
       Post #: 2

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All Forums >> Radios, Batteries, Clubhouse and more >> RC Radios, Transmitters, Receivers, Servos, gyros >> Radio Manufacturer Direct Support >> Weatronic Support Forum >> PPM Failsafe
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