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1| totally_awesome
rrApprentice Fredericksburg, Virginia |
Hobbywing ESC throttle Calibration with a AR7210BX Hello,
Santa Claus brought me two 80A Hobbywing Platinum ESC's for the Trex 500s that have the AR7210 flybarless controllers. I have followed the instructions in the user manual for the throttle calibration and I cannot get the calibration to complete. So I looked around the internet and have found out that the AR7210BX may need to be powered up from a receiver battery (not the BEC from the ESC) and the middle pin from the ESC to the throttle input of the AR7210BX has to be removed by using a jumper that has the middle pin removed from the jumper. So I will try this out later on today. Here is what I am planning to do.1.) Remove the main blades and tail blades from the TREX-500. 2.) Unplug the flight battery from the ESC and disconnect the wires from the ESC to the AR7210BX. 3.) Set a 3 point linear throttle curve (0,50,100) in normal mode in my DX9. 4.) Power up the AR7210 with a receiver battery. 5.) Use a jumper (with the middle pin gone or middle wire cut) between the ESC cable and the throttle input of the AR7210BX. 6.) Move the left stick all the way to the top (100%) 6.) Connect a fully charged flight battery to the ESC. 7.) Hopefully I will hear three beeps from the motor to indicate the ESC is powered up. 8.) 5 seconds later I should hear two short beeps to indicate that the max throttle has been accepted. 9.) move the left stick all the way down, Hopefully I will hear two short beeps to indicate that the low position has been accepted. 10.) The motor should beep 6 times because I have a 6s flight battery.Stay tuned for further details! I will let you know what happens when I try this later on today! |
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 Rojoalfa
rrVeteran Punta de Mata, Monagas-Venezuela |
/It had to be spektrum...I don't get it./ |
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| readytofly
rrApprentice tuvalu |
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| Rojoalfa
rrVeteran Punta de Mata, Monagas-Venezuela |
/Throttle calibration via DX9-> ar7210BX ->ESC.../ |
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| totally_awesome
rrApprentice Fredericksburg, Virginia |
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 artimus
rrKey Veteran Buckley WA |
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| totally_awesome
rrApprentice Fredericksburg, Virginia |
The latest info from Hobbywing tech support is that this is related to a "power-up" issue. There are only three items to power up. The first item to be powered up is the DX-9 radio, followed by the AR7210BX. .After the AR7210BX has completed initialization, a modified cable is used to connect the ESC throttle wire to the AR7210BX throttle port. Next the ESC is powered up by connecting the flight battery. So is there a "timing requirement" here that I am missing? Here is the latest procedure that I am using.....Hobby Wing Throttle Calibration1.) Modify a servo extension cable to remove the middle wire, that is the power wire. This will go between the ESC throttle wire and the throttle port of the AR7210BX. 2.) Disconnect all of the cable/connections between the ESC and the AR7210BX. 3.) Remove the Main Blades from the Trex-500. 4.) Remove the Tail Blades from the Trex-500. 5.) Create a linear throttle curve for normal mode. 6.) Disable Throttle Cut on the DX-9. 7.) Disable Throttle Hold on the DX-9. 8.) Disable the Throttle Warning on the DX-9. 9.) Power up the DX-9 with the throttle stick in the TBD position, wait until the radio has completely powered up. 10.) Power up the AR7210BX with a receiver battery connected to AUX3, wait until the receiver has completely "powered up"/initialized. 11.) Verify that the flybarless unit have completely “powered up”/initialized by being able to control the swash plate servo’s and the tail servo’s. 12.) Put the DX-9 throttle stick all the way up. 13.) Connect the modified servo extension cable between the AR7210BX throttle port and the ESC throttle cable. 14.) Connect the flight battery to the ESC. You should hear the “123” tone, followed by two short beeps, which indicates that the high point has been reached. 15.) Lower the DX-9 throttle stick to the lowest position. You should hear beeps that indicate the lowest position has been recorded.So, have I missed something here? |
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| Rojoalfa
rrVeteran Punta de Mata, Monagas-Venezuela |
/Very impressive.There are two ways... The easy way and the spektrum way./ |
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| totally_awesome
rrApprentice Fredericksburg, Virginia |
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| Rojoalfa
rrVeteran Punta de Mata, Monagas-Venezuela |
/Your procedure has more Than 12 steps...Was it successful? Good.Most of the time, Instruction manual from spektrum don't explain things clearly.Don't know why... You ask for five questions, you got five different ways to do the procedure.Spektrum Binding, ESC throttle calibration, for some reason, it is a pain in the neck./ |
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| totally_awesome
rrApprentice Fredericksburg, Virginia |
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| totally_awesome
rrApprentice Fredericksburg, Virginia |
So I have another Hobbywing ESC, that is under warranty, that appears not to work according to their instructions, so if they do not respond to me soon with a fix that works, I will be returning it for a full refund and will probably not buy a Hobbywing ESC again. |
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| RappyTappy
rrProfessor Encinitas, CA |
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