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Help Config trex 450 pro v2 DFC with 3gx and dsm2

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26 Nov 2012 13:16 - 26 Nov 2012 13:17 #3226 by robnrie
Help Config trex 450 pro v2 DFC with 3gx and dsm2 was created by robnrie
Hi i have a trex 450 pro v2 DFC and devo 8s with the following

3GX with 2 spectrum DSM2 sats
WK-CTL01-D telemetry with rpm sensor
KST DS215MG servo's
Pheonix ice 50
Scorpion HKII-221 brushless
Turnigy nano-tech 22v 1300mAh 6S1P 35~70C Lipo
all alloy upgrades

I decided to go with the devo 8s so i could use the one tx for other helli's, So far i have used this www.deviationtx.com/forum/model-configs/...walkera-2702v-3-axis for my setup.

I can get it to bind with out a problem but the servo's just aren't right.

any help would be appreciated
Last edit: 26 Nov 2012 13:17 by robnrie.

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26 Nov 2012 13:20 #3228 by FDR
Replied by FDR on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
You can't use the CTL01-D with DSM2 receiver(s).
It won't do anything...

I can get it to bind with out a problem but the servo's just aren't right.

Could you be more specific?

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26 Nov 2012 13:56 #3229 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Sorry my colective pitch moves up slightly then back to center then back up slightly

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26 Nov 2012 14:05 #3230 by FDR
Replied by FDR on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2

robnrie wrote: Sorry my colective pitch moves up slightly then back to center then back up slightly

When doing what? :blink:

Please post your model.ini!

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28 Nov 2012 11:24 #3338 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Sorry for taking so long to reply

When i move up on the throttle my collective pitch moves up slightly then back to centre when i reach mid way then repeats the same till i reach the top.

Model.ini attached

File Attachment:

File Name: model2.ini
File Size:4 KB
Attachments:

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28 Nov 2012 11:41 #3339 by FDR
Replied by FDR on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Do you really need inverting the AIL and COL in the swash menu?
It seems more reasonable for me without them...

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28 Nov 2012 11:43 #3340 by Hexperience
Replied by Hexperience on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
With DSM2 the channel order is different.
1-Throttle
2-Aileron
3-Elevator
4-Rudder
5-Gyro
6-Collective Pitch

I'm not sure about the 3gx, but for the FBL units I've used, you don't do any mixing in the radio. i.e. you don't use cyclic1,2,3.

I'l post my blade 300x config in another thread. Have a look at it and you can use it as a base to get started.
There are 10 types of people in this world. Those that understand binary and those that don't.

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28 Nov 2012 11:58 - 28 Nov 2012 11:59 #3342 by FDR
Replied by FDR on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Oh, I forgot the DSM2 satellites in the OP! :blush:
The channel order was appropriate for the selected DEVO protocol...

Don't know either if the 3GX would need CCPM, but I guess not...
Last edit: 28 Nov 2012 11:59 by FDR.

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28 Nov 2012 12:28 #3343 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Sorry but now i am more confused

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28 Nov 2012 12:48 - 28 Nov 2012 12:48 #3344 by FDR
Replied by FDR on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
So we are! ;)

You wrote, you use a 3GX with DSM2 satellites as receivers, but your model.ini is configured to use the DEVO protocol. It shouldn't bind that way...

The WK-CTL01-D telemetry sensor cannot work with DSM2 receivers either.
Last edit: 28 Nov 2012 12:48 by FDR.

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28 Nov 2012 12:56 #3345 by Hexperience
Replied by Hexperience on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
The config you posted has the channels in the wrong order.
When you select DSM2 as the protocol the channel order is set to match spektrum dsm. Which is what I posted last post.

So that's the first problem.

Second problem is the most fbl units do the ccpm mixing for you so you do not need to have the 8s setup for cyclic mixing. Just straight aileron (ch2),elevator(ch3) and pitch(ch6). ch1 is throttle and ch5 is gyro control. This of course matches up to the DSM protocol and if you have the order wrong, it won't work.
There are 10 types of people in this world. Those that understand binary and those that don't.

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29 Nov 2012 12:18 #3408 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Sorry about that i posted the wrong model.
I just upgraded to deviation v2.0.0 with the standard 6 channel template and it is much better than the last version i think it is just the 3GX calibration now will play with it tommorrow and post the results

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03 Dec 2012 11:34 #3545 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Thanks Hexperience it was the combination that was wrong and i went back to v1.2 but i did have to do CCPM for the 3gx.

I now have it working for both DSM2 and DSMX satelites just need to do some fine tuning with the 3gx and set channel5 for gyro.

Here is the model ini


File Attachment:

File Name: Trex4503GXDSMX.ini
File Size:4 KB
Attachments:

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03 Dec 2012 11:48 #3548 by Hexperience
Replied by Hexperience on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Interesting. I've never had a 3gx to play with. I'll have a look at the manual and check out the recommended tx setup.
Cheers
There are 10 types of people in this world. Those that understand binary and those that don't.

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03 Dec 2012 11:54 #3549 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Also could you tell me how to make a template for the future

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03 Dec 2012 12:00 #3551 by coaster
Replied by coaster on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
with Devo 2.0 you have to define 1 channel more !
if you have a 6 channel receiver you must choose 7 channels in the heli setup menu.

cheers
Graziano

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03 Dec 2012 12:12 #3552 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Sorry i don't understand i am using devo 8s with 3gx and dsmx sat
do you mean deviation v2?

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03 Dec 2012 12:19 #3553 by coaster
Replied by coaster on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
yes i mean the new deviation firmware 2.0.

In the protocol setup menu you can also choose the number of channels for the DSM2 protocol. I have a T-Rex 250 with
3GX and sat receiver, and it works fine with selected 7 channels.

cheeers
Graziano

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03 Dec 2012 12:21 #3554 by robnrie
Replied by robnrie on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
Ok thanks i wil try that

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07 Feb 2013 23:52 #6137 by RRexA3
Replied by RRexA3 on topic Help Config trex 450 pro v2 DFC with 3gx and dsm2
How did it turn out?

I just got the 450 v2 with DFC and 3GX. I also have a devo 8S from my Genius and am looking to fly the 450 with my Devo 8S.

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