methods
1 GW
So I have been up for days working out the bugs with these new 18 Fet Infineon II controllers
http://endless-sphere.com/forums/viewtopic.php?f=2&t=10312
I went through all 36 possible combinations for the hall/phase 4 times
(yes, that's 144 tests - Twice each on two different motors)
No matter what I did I could not get a good combination
I checked each hall signal multiple times and they were good
I checked the +5 line and ground - good.
This is far from the fist motor-controller I have hooked up but I decided that perhaps I was missing something silly.
I went to the Technical Reference area and had another look at Fechters tips-
http://endless-sphere.com/forums/viewtopic.php?f=16&t=3484&start=0
There is a nice circuit in there for visually testing out motors
I made 2 modifications:
- I set it up for a rechargeable 4.8V battery (dropped the 470ohm resistor)
- I also set it up to either run in-line with the controller or independently
Plug in the battery, attach to motor, and the halls can be read
Detach battery, plug in controller, halls can be read in-line
I found something very interesting
When connected directly to the battery, the 9C motor I was using gave the following CODE
(-) means OFF
AB-
A--
A-C
--C
-BC
-B-
AB-
A--
A-C
--C
-BC
-B-
You can see that the LED's are walking from left to right like we would expect
Now... When I hooked up the Controller, GUESS WHAT I FOUND ?!?!
ABC
A--
ABC
-BC
ABC
A--
ABC
A--
ABC
-BC
ABC
A--
AH HA!
B and C are shorted together!
No amount of "simple testing" would have shown me that unless I was looking for it or writing down the patterns
This little 5 minute project just became the first tool in line when I have hall problems.
Some times we think we are too smart for our own good and we have to roll the clock back to the old school..... Led tester!
-methods
P.S. The 10x6 and 9x7 9C motors like to run on 88V
I have a pair of them (front and rear)
http://endless-sphere.com/forums/viewtopic.php?f=2&t=10312
I went through all 36 possible combinations for the hall/phase 4 times
(yes, that's 144 tests - Twice each on two different motors)
No matter what I did I could not get a good combination
I checked each hall signal multiple times and they were good
I checked the +5 line and ground - good.
This is far from the fist motor-controller I have hooked up but I decided that perhaps I was missing something silly.
I went to the Technical Reference area and had another look at Fechters tips-
http://endless-sphere.com/forums/viewtopic.php?f=16&t=3484&start=0
There is a nice circuit in there for visually testing out motors
I made 2 modifications:
- I set it up for a rechargeable 4.8V battery (dropped the 470ohm resistor)
- I also set it up to either run in-line with the controller or independently
Plug in the battery, attach to motor, and the halls can be read
Detach battery, plug in controller, halls can be read in-line
I found something very interesting
When connected directly to the battery, the 9C motor I was using gave the following CODE
(-) means OFF
AB-
A--
A-C
--C
-BC
-B-
AB-
A--
A-C
--C
-BC
-B-
You can see that the LED's are walking from left to right like we would expect
Now... When I hooked up the Controller, GUESS WHAT I FOUND ?!?!
ABC
A--
ABC
-BC
ABC
A--
ABC
A--
ABC
-BC
ABC
A--
AH HA!
B and C are shorted together!
No amount of "simple testing" would have shown me that unless I was looking for it or writing down the patterns
This little 5 minute project just became the first tool in line when I have hall problems.
Some times we think we are too smart for our own good and we have to roll the clock back to the old school..... Led tester!
-methods
P.S. The 10x6 and 9x7 9C motors like to run on 88V
I have a pair of them (front and rear)
