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PPM Mapping's VESC Tool not working

Submitted by cornballs on Sun, 2019-09-22 09:17

Forums:

Using Dual FSESC 4.20 Plus and VX1 remote and running FOC with 2 BLDC motors. I go to setup input > Master VESC > PPM RC receiver > PPM mapping. I also turned on RT app data. When I push and pull the throttle, no data is displayed on the "VESC Tool" and "From VESC" bars on the Pulselength section. Remote, receiver, and motors seem to work fine when I hit the throttle outside of the setup. I keep going to "General" to change "APP to use" to PPM instead of PPM and UART, but it doesn't save that option, if that's a relevant problem. Could be the firmware too.

ADC throttle is accelerating th full throttle quickly

Submitted by Buddah on Sun, 2019-09-15 23:32

Forums:

Hello, folks,

built my three-year-old daughter a little bicycle.

but I have a little problem with the throttle response and the acceleration.

I built an electronic e-bike throttle and connected it to the ADC1 input. I set Min Voltage (0,85V) and Max Voltage (2,55V). Center Voltage is set to 1.7V.

Please remove bootloader update section from FW Tab

Submitted by sunbeam on Sun, 2019-09-15 01:12

Forums:

Benjamin, would it be possible to remove the bootloader update section from FW Tab?

Lately I have been unable to update the Firmware on my VESCs (HW60). After doing some research I not only found that I probably have accidentally bricked them by updating the bootloader, I also noticed there are quite a few others that are stuck with the firmware update and have probably made the same mistake without even noticing.

VESC 4.12 - Current limited at 100A

Submitted by Laerson on Sun, 2019-09-08 20:23

Forums:

Hi All,

I used to run my VESC 6 with a motor current of 120A to power my e-bike without any problems. Currently I'm experimenting with a oil cooled VESC 4.12 to use the same current. But for some reason I can't set the value for ''battery current max'' or ''motor current max'' higher than 100A when connected to the 4.12 in VESC Tool. It just sets itself back to 100A when I write the motor configuration.

Does anyone know if this is a safety feature? And if so, is there a workaround?

UART Safety Feature

Submitted by jaghori.sasan on Wed, 2019-09-04 18:45

Forums:

Hi Everyone!

I'm wondering why UART Mode only doesn't have any Safety Feature that comes with PPM Mode. Like Timeout Brake Current, Throttle Curve, mapping and so on.

UART is definately a more reliable communication type than PPM because of the CRC check.

BR

Sasan

ERPM scaling / Maximum motor speed / RPM

Submitted by Azza on Tue, 2019-09-03 17:16

Forums:

Hi All,

Newbie here so be gentle !

 

I am configuring a FlipSky FSESC 6.6 and 772KV 4 pole motor with the VESC Tool.  I am running in FOC mode using a 13.8V power supply.

I am unable to achieve more than 17,000 ERPM at 100% Duty.

I'm told the same motor has run at higher speeds using a different manufacturers controller in BLDC mode.

 

My question is...

Is the relationship between Duty and ERPM purely a function of KV or is there another scaling factor in play ?

 

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