Frsky FLD-02, A1 value help... - RC Groups
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Aug 12, 2012, 02:16 AM
Registered User

Frsky FLD-02, A1 value help...

Hi Guys,

I'm a little bit confused here and I need your help. I do have:

Frsky FLD-02 with soft 2.1
Frsky FBVS-01 sensor
Frsky DJT Module
Trying to put everything together with 4 cell 14.8 LiPo.

A1 - Jumper from x to A1
A2 - Cable from FBVS-01, I cut the ground

A1 - Volt Ratio 4
A2 - Volt Ratio 6

FLD-02 Values:
A1 (Left Value) - 5.2
A2 (Right Value) - 15.9

I know A2 looks right, but what is A1? What is that A1value telling me?

Thanks a lot
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Aug 12, 2012, 02:43 AM
Registered User

The A1 value tells you the voltage supplied to you receiver (cause you're using the jumper) and I guess this is a ESC bec with a quite common 5.2v (mine is same).

You should read the receiver manual, even if it's not easy, there is good informations about features...

Aug 12, 2012, 03:01 PM
Registered User
Yes, when A1 is jumpered, it measures internal receiver voltage (BEC)
If you need to measure two separate external voltages, for example a second pack, remove the jumper and install a second FBVS-01 sensor, setting the ratio accordingly.

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