Votal em 550 need help

[zsagia11]

Hi everyone,





I’m looking for safe but powerful settings for my VOTOL EM550 controller. The goal is to get the best performance without overheating or stressing the system, for long road trips and uphill riding.











My setup:

• Controller: VOTOL EM550
• Motor: 8000W 72V (BLDC)
• Battery: 72V 150Ah Li-ion
• Cooling: No controller cooling
• Drive system: Shaft drive
• Display: Connected
• Top speed target: 90–95 km/h (56–59 mph)
• Riding style: Long continuous riding on roads and hills

Active connections:

• 3-speed gear switch (Low / Mid / High)
• Reverse
• Brake
• External temperature sensor
• No pedal sensor, no anti-theft, no water cooling

Looking for:

• Full parameter list for stable, long-term riding
• Recommended values for:
  • Phase current
  • Rated current
  • Flux weakening (Mid / High)
  • Compensation
  • Start torque & rate of rise
  • Soft start
  • Speed ratios (for 3-speed mode)

If someone has experience with a similar setup or has INI files / screenshots of working settings – it would be a huge help!





Thanks in advance to anyone who can help

 

[amberwolf]

Moved your thread out of ES Knowledgebase (for posts about the knowledgebase) to Motor Technology (about motors and controllers).

 

[zsagia11]

Hi everyone,

I’m working with a VOTOL EM550 controller (UART version, 72V, Hall motor, 115200 baud rate).
I encountered an MCU_CHIP_ERROR (0x24), and the controller won’t operate.
I’m trying to reflash the firmware using EM-V3, but I’m missing the correct `.bin` file.

If anyone has the firmware file (something like: EM550-UART-V1.1-72V-HALL-GT.bin)
or any working UART .bin compatible with the EM550 – I would really appreciate your help!

Thanks in advance