1. Q: Gimbal has no respond to S.bus control?
Case 1: The gimbal is with very old CONN board (chipset is not 303, or purchased before 20190715)
Answer: Not support S.Bus control.
Case 2: The gimbal is a new CONN board (blue CONN version)
Answer:
1. Check whether the wiring is correct
2. Reset S.Bus control
3. Test the S.Bus function. If only half functions are supported, upgrade the CONN board to the latest software.
Case 3: After setting the S.bus channels in the gimbal, only one side works.
Answer: The gimbal during 20190715–20200515 needs to upgrade the CONN board program and use the latest S.Bus setting method to solve the problem.
2. Q: How to reverse the signal of S.bus channel?
Answer: Set by serial command AA 55 1A IV FF、AA 55 1B IV FF
3. Q: What’s the PWM control standard?
Answer: The ESC can recognize PWM pulse width between 1ms-2ms. 1ms is the lowest for throttle, 2ms is the highest of throttle. 1.5ms is the middle.