Hi,
I am working on this for a school project. I have a APM 2.6 with a turnigy 9x transmitter and standard reciever out of the box. I have wired it all together as I think I should ... loaded up the mission control and when I calibrate the transmitter , nothing happens. Nothing moves when I move the throttles. Does anyone have a suggestion?
Regards
James
Replies
A newbie here with a similar problem (Whirlwind 550 hexacopter frame, Turnigy 9X xmtr and rcvr, Arducopter 2.6, Turnigy Plush 30A ESC's, Turnigy 28 motors).
My problem: Transmitter and Receiver bind together okay, but no capability to arm the system.
After transmitter power-up, then APM power-up (via USB cable from desktop computer) I
1. Don't get the audible tones from the 'copter that I got before (prior to a crash which resulted in my having to re-build the frame.)
2. I DO get a red light, green light and blue light on APM flashing (until GPS lock is achieved, then the blue light stays on solid).
3 Also the orange light on the APM flashes (but not like one would expect it to if data were being exchanged between the receiver and the APM - the flash sequence is on-off-on-off-on-off, etc continuously with no small stutter flashes that normally would appear if data were being transferred.)
Prior to commencing the rebuild I took several close-up photos of the wiring positions/routings and have used those pictures to insure things were put back together like they were prior to the crash - and have double-checked the wiring many times since, but cannot isolate the problem.
i have the same problem..switch to Mini APM Pro & no problem...did u solved the prob?
Did you bind the transmitter to the receiver?
Hi martin,
Yes I did bind it ... The red light stopped flashing on the receiver. The trouble is I have read too much on forums and the internet it is now confusing me. I'm not sure is the Turnigy 9x is 'PPM' so where I should have all the signals over one cable? I did connect it up with the 3 prong cables into the input of the APM 2.6 but couldn't get anything so I cut the +\- cables away leaving just the signal wires. I also tried adding a channel 5 cable between the APM and receiver but it still wouldn't work. Every time I go to calibrate it, the green bars on the mission planner are very low and don't respond. Sometimes (?) I get thin red lines but they don't move. I'm not even sure which switch positions I am supposed to have in place on the transmitter? As you can probably guess I am now in dispair having spend 5 hrs yesterday trying everything.
Please help!!!
Thanks
James
Hi James, first don't despair we've all been there too.
Any chance you could post up a photo of how you have it set up.
Is it the Turnigy 9x8c-v2 receiver that you have, I'm not sure if it does PPM sum but let's assume that it doesn't for the moment.
Have you tried the transmitter and receiver by themselves without connecting to the APM, use a servo to check that you are getting output on all 8 channels, remember that you will need to supply power to the receiver. If this works ok then connect the receiver to the APM,
You only need to connect channels 1 to 5 for the moment, you can just connect the single signal wires, but one of the channels needs to have the black and red wires connected to power the receiver from the APM.
Maybe read through the wiki again before you do this to refresh your memory, stick with the instructions in the wiki here rather than get distracted by advice from other forums as you will soon get confused.
Hi Martin,
Thanks for your reply,
I am using the turnigy 9x8c-v2 receiver. I have now seen that the transmitter has an option to select between PPM and PMC (?). I have been following the wiki, it has been useful so far.
I'm not sure what you mean by use a servo ... I have used the APM and receiver by themselves connected to mission planner... do I need to use the JP1 jumper as I haven't been. I have tried to connect them on their own with the USB providing power to the receiver ... and connected the ESC's directly to he receiver but if I try to control them via the transmitter their still is nothing. I'm using UBEC ESC's if this helps? I'm not sure how else I would provide power to the receiver without running it through the APM.
I had connected channels 1-5 via single wires and a 3 wire to channel 5 to provide power ( see picture).
I've attached a couple of other photos of my set up ( it's all 3D printed!) and the transmitter screen. I basically ran a bench test of the APM connected to the receiver as described in the wiki and USB'd to the mission planner. The transmitter was bound and nothing happened when I tried to calibrate. I even flicked every switch in every direction.With regards to binding, several forums have stated that the bind and 'Batt' are reversed on the receiver but I have tried both ports and both seem to 'Bind' the transmitter.
Thanks for your support so far!
James
A couple of other things that were puzzling me:
-Do I need to provide an additional power source to the receiver ... currently I am using a 3-cable via channel 5 on the APM to channel 5 on the receiver to power it only. It does light up.
-Once it is bound, do I need to remove the bind plug?
-Is it important that I turn on the transmitter before the receiver or visa versa ... is the sequence critical?
-Is it correct the UBEC ESC's can be used with the APM ... as far as I can see they are?
Sorry for the extra questions, they were just puzzling me over lunch.
James
A servo is a small electric motor that moves when you move the control sticks on the transmitter, it is used to move the control surfaces on a fixed wing aircraft or the camera gimbal on a multicopter.
If you had one it would help to confirm that the transmitter and receiver are bound correctly and are working properly together, are the transmitter and receiver new?
I have my APM powered up by USB only and connected to the receiver, like in your photo, and the green bars move in the radio calibration screen on MP.
We need to establish that your transmitter and receiver are working correctly before connecting to the APM.
Do you know anyone at your local model flying or car racing club that might be able to help you check that your RC gear is working ok.
I dont but i was thinking about going down the route of a local club.
I am using a power module and have removed the jp1.
I am wondering if issue could be with the order I power up the quad and tx or that I am not using a ppm signal set up ... This I guess has to be over one cable with a special wire and with the ppm jumper in place - the only place I can see to get hold of that cable is via the APM/3D Robotics website in the US.
Or I was thinking about buying a cheap servo of ebay to use as a test?
You can't go wrong with a cheap servo, then you can see it moving on each channel when you move the transmitter sticks, that way you know that you have the correct outputs from the receiver.
Once you know that the RC is working you can move forward and connect your receiver to the APM and trouble shoot the callibration issues.
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