Dear professional people,
I have a very tricky motor I want to control but I cannot release the brake cuz it is tight and manufacturer does not care to give proper detail.
Here are the specs:
Motor Specifications:
- Brushless DC motor
- 25V, 50A capacity (Need to confirm again)
- Rated 600W, continuous 400W
- 3 phase 6 pole Hall element
- 18 pulses per rotation
1. 25V at 50A, they said the motor could go up to 100A according to the plot they showed us. The value is referred as the Input power. I saw in the motor specification the Torque is 2.01 Nm.
2. The Electric Brake is tricky. First you need to supply 24V at around 0.54A and then it can be decreased. Since there is some current protection, the positive (+) terminal is the one connected to pin 4 of connector CN5/D from FD Base Controller.
3. In other picture you can see the tire diameter of 260 mm. And the gear ratio of 1/27 and then the motor. No additional gear ratio to consider. 18 pulses per revolution ( 967 pulse or 6kph)
4. No data for Thermal ratio. However, there is a 10kohm thermistor that is used for temperature sensing. If I am not wrong, if current is around 45A ( never happened) the base will shut down.
5. Max rpm of 4750
6. Cable is AWG 14, U is white and V is red
Please a help is ok.
Thanks
Good day Bruno,
I am really not sure to know what you are actually asking for. How can we help? You talk about pictures but there are none attached. Can you also provide a link to the motor datasheet, as well as the electric brake, and show the assembly between the two?
Best,
Guillaume
Sorry Guillaume,
It was a copy paste thing. So, I cannot have access to a datasheet and I just got a BLDC motor with those specs. Is like a black box, no way to know how to operate and I am trying to use it without damaging the motor itself. I tried using a Maxon EPOS50/15 driver trhough USB-Serial, when the parameters were tuned, it did a small movement back and forth but it was not possible to move.
I can attach the picture of the motor cabling.
Hello people,
I solved problem, I had to hack another robot and get the release signal from there.
Thanks for your time and support.
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