DOFReality H3: Calibrating the motor arms to neutral position

Channel:

fondoo

Subscribers:

2,810

Published on October 20, 2020 9:33:01 PM ● Video Link: https://www.youtube.com/watch?v=A3PtStejIOA

Game:

Arms (2017)

Duration: 4:28

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After replacing my DOFR H3 motor #2. I've noticed motor 2 was low when compared to motor 1. I knew I had to calibrate it back to neutral position. I followed the manual 5.3

https://dofreality.com/instructionsHP3.pdf
https://www.youtube.com/watch?v=Wa6hRdMB4vA

Here are my steps:
1. turn off the controller box
2. disconnect motor arm
3. use the small L shape tool and loosen the coupler (closest to the motor side). loosen 2 on the motor side (top/bottom)
4. run smc3 and select motor
5. step 10, kp=60, ki=0, pwmmax=60
6. power on the controller box
7. rotate coupler to match motor 1
8. power off the controller box
9. rotate the coupler so blue and green are the same line
10. now tighten the couplers (both)
11. step 1 to change ki=3, step 10 for kp=120, pwmmax=180
12. power on controller box
13. smc3 and select sine, green and blue should be close and motor arms should be moving up and down
14. shut down smc3

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