GoldenMotor.com Forum
General Category => General Discussions => Topic started by: GoldenMotor on December 17, 2008, 01:48:23 AM
-
Magic! ... It can drive your ebike with failed motor hall sensors, throttle, breaker, or all of them failed together!
(http://www.goldenmotor.com/e-Bike-DIY/Cruise%20BLDC%20Controller.jpg)
Special Features:
Available for 24V,36V and 48V brushless motors
Cruise Speed Control
Regenerative Braking
Hall sensor failure redundency (Automatically switch to sensorless control)
Other failures redundency (Work with failed throttle and power breaker)
You can force it to work with lower voltages (e.g 48V to 36V, 36V to 24V)
Report failure components by beeps
Anti-theft alarm
Motor phase self detection and calibration
Support Forward and Reverse
Excessive Current Protection
Low Voltage Protection
High Reliability
-
I have questions about my new BAC-281
1) What are the D T and S connections?
2) I do not know whare to connect the three
battery gauge wires.
3) There are two wires connected to a horn button and
two connections on the controller marked horn.
Is this 12V to run an external horn? Can I run a
12V LED light system with this?
I would like english translation of the text
for all the pins on the 12 pin connector.
The goldenmotor.com diagram explains these pins:
1
2 Brake Cut out (regen?)
3 D?
4 throttle green (signal?)
5 S?
6 throttle red (power?)
7 Power + (vcc)
8 common ground
9 T?
10
11
12 cruise control
Thank you.
Duane Smeckert
-
hello everyone,
I am echo from goldenmotor, the connection way of the BAC-281 is on our web site:
http://www.goldenmotor.com/e-Bike-DIY/BAC-281%20Wiring%20Diagram.pdf
I hope this can help you.
Any more assistant, pls feel free to let me know.
-
Hello Echo,
I'd like to give more information than the scheme of connections. I purchased an MX-24C-EB and I do not know the maximum voltage, and how the slightest change, nor do I know if the connections of cruise control are simply bypassing. Thank you.
-
Echo;
Thank you. I had already reviewed that diagram.
It does not show the battery level indicator connections.
It does not describe the horn connection, but you supplied
a horn button and there is a horn indicator on the controller.
All of the writing is in Chinese, I would like translations for pins
1, 3, 5, 9, 10 and 11.
Thank you.
Duane Smeckert
-
1 (No programme)
2 Brake Cut out (pin2 and pin8)
3 reverse(pin2 and pin8)
4 throttle green(pin4,pin6 and pin8)
5 S(No programme)
6 throttle red (pin4,pin6 and pin8)
7 Power + (vcc) lock(pin7 and power ground)
8 common ground
9 T(No programme)
10 (No programme)
11 (No programme)
12 cruise control(pin8 and pin12)
-
(two connections on the controller marked horn)
This place must install especial horn from goldenmotor.
This horn can alarm and find out problems about your bicycle.
I have questions about my new BAC-281
1) What are the D T and S connections?
2) I do not know whare to connect the three
battery gauge wires.
3) There are two wires connected to a horn button and
two connections on the controller marked horn.
Is this 12V to run an external horn? Can I run a
12V LED light system with this?
I would like english translation of the text
for all the pins on the 12 pin connector.
The goldenmotor.com diagram explains these pins:
1
2 Brake Cut out (regen?)
3 D?
4 throttle green (signal?)
5 S?
6 throttle red (power?)
7 Power + (vcc)
8 common ground
9 T?
10
11
12 cruise control
Thank you.
Duane Smeckert
-
MX-24C-EB
If you power 36V to MX-24C-EB,it couldn't be burned.
If you power is 12V,through the cruise control,your motor can still work at half speed.
If you throttle,electric brake,hall sensors are all broken,through the cruise control,still work
Hello Echo,
I'd like to give more information than the scheme of connections. I purchased an MX-24C-EB and I do not know the maximum voltage, and how the slightest change, nor do I know if the connections of cruise control are simply bypassing. Thank you.
-
So there is no battery charge indicator on the BAC-281?
That seems important.
-
LOL no battery level indicator. Although I think this is important to some Ive never needed it on the big batts.
However it's got some redeeming features, I havent blown any sensors yet but I'm guessing soon sensors will become redundant..
-
It's odd that the throttle that shipped with it came
with a level indicator. I know they have them without
because my first kit had an external level meter on the
throttle.
I mostly like the meter because it tells me the switch is on.
I guess I can wire up something instead.
I hooked everything up, but it looks like something is wrong.
(The colors are wrong on the diagram, but the pins are
listed so it's good there.)
I may have hooked up just the power, the throttle,
the motor and the hall sensors.
It all worked on the other speed controller.
Does anyone know what kind of buzzer hooks up
to the speaker jacks? Maybe it's trying to tell me something.
-
Ok, the nice twist throttle with the integrated
battery indicator that I just bought is incompatible
with the new speed controller.
Is this just a wiring thing?
The thumb throttle that came with is ok, but it makes
it hard to use the shifters.
-
Wow, this controller is cool, but I'm confused on a couple things. First, If I'm using the 20 AH li-ion batts, where do I wire the charge wire for the batts at on the controller to make the regen brake work? Right now, the brake will cut out the motor power, but not brake. Second, is there no logic switch connection? How do I get level indicator connection? Could I wire it to positive on battery and have it work right or no? Thanks all! Great biking.
-
Wow, this controller is cool, but I'm confused on a couple things. First, If I'm using the 20 AH li-ion batts, where do I wire the charge wire for the batts at on the controller to make the regen brake work? Right now, the brake will cut out the motor power, but not brake. Second, is there no logic switch connection? How do I get level indicator connection? Could I wire it to positive on battery and have it work right or no? Thanks all! Great biking.
My guess is that once you are moving it works like the rest of the regen controllers. You simply let off on the throttle and you should feel the regen. Using the brake usually, cuts out the motor completely so defeats any regen capability. No extra wires should be needed it should charge through the same wires that run power to the motor. Often there is a jumper setting to enable or disable the regen function. Once it is enabled, it should werq as described.
-
Hey, thanks for the reply bio. Okay, so the charging is working right and so is the regen brake. But, I can't get the pedelec to work. It is plugged to the right port. It says in online inst. to push the push the cruise control button twice to enter pedelec mode, but that doesn't work. Also, I don't know where to plug in the logic switch and batt meter? are these problems related?
-
The new generation controller doesn't appear to have a battery level monitor.
I am looking at the circuit to see if I can figure out how to add a level meter.
Bio; This unit doesn't appear to have any jumpers. All the connectors on it
are marked in Chinese, but I have not found anyone that will translate it.
-
Make sure that the magnets on the pedelec wheel get really close to the sensors as they often need to be almost touching to work correctly. Bend things if need be. Unless you are using lead acid batteries the battery meter is likely not of much use. I only use a speedometer at the moment to figure out how far I can go and have done very well at estimating my range. Pretty sparce info on the web page so you will need to get hold of Philip or Tom for any more information.
-
Hiya...
Most of the battery meters I have are fed battery voltage directly. A series of resistors/diodes in the battery meter itself provides a crude voltage divider to light the various LEDs. You can prove that by opening your old controller that supported the meter and observing where the "hot" wire was attached. You could simply transplant the connector/wires from your old controller to the new, or wire it in externally.
Cheers!
-
You're totally right. It works fine that way.
By the way, for anyone else that wants to reuse
a GM Indicator, the little + on the circuit board
is for the diode, not the power lead, the more
centered power lead is really negative.
Thank goodness it didn't blow up when hooked up
in reverse polarity.
-
Hello,
In MX-24C-EB, ¿information brings over of the process: "Motor phase self detection and calibration"?
Thank you.
-
I am not familiar with that model number.
I can tell you that intelligent controllers can detect the angle between
the magnet and the coil.
For proper operation you want the coil to attract the magnet until just before
it reaches the coil, then start to reverse the current so that as the magnet
passes under the coil the coil starts pushing instead of pulling.
(You can't just turn the current around in a coil, you have to reduce it to
zero continuously, then increase it in the other direction.)
Getting this timing to happen is phase detection.
The hall sensors are used in the older controllers, but newer controllers can
do it by looking at the current running through the coils.
I hope this is the answer to your question.
-
I am not familiar with that model number.
I can tell you that intelligent controllers can detect the angle between
the magnet and the coil.
For proper operation you want the coil to attract the magnet until just before
it reaches the coil, then start to reverse the current so that as the magnet
passes under the coil the coil starts pushing instead of pulling.
(You can't just turn the current around in a coil, you have to reduce it to
zero continuously, then increase it in the other direction.)
Getting this timing to happen is phase detection.
The hall sensors are used in the older controllers, but newer controllers can
do it by looking at the current running through the coils.
I hope this is the answer to your question.
Thank you for your explanation.
MX-24... It is the new cruise control.
I want that they indicate me like dectect an motor not known to the new "magic" cruise control. Probably Phillip or Tom ¿could help me?.
-
Hi Everyone
I am considering buying two of these magic controllers for one bike. I live in the mountains in France (Chamonix Mont Blanc). This is one of the reasons I am interested in regenerative systems.
My first e-bike is going to be an off road on road prototype, in fact it will be two bikes eventually.
I live 300M above town so cruising down the valley has tones of potential to charge batteries.
I plan to install 2x 1000W hub motors with mechanical disc brakes. The front hub can be removed along with one of the controllers, this way the front wheel is simply replaced with a standard wheel and I have two 1000W bikes so a friend can ride too! I will use both hubs on one bike for steeper off road climbing and to get me home quick when those tough uphill sections kick in. The advantage of two controllers is that I can have independent front and rear regenerative breaking. I'm sure this may cause problems if one wheel momentarily locks up and starts to draw more current from the non locked motor. I am hoping that this will be easy to control. When riding technical single track it is important to have a smooth control over both brakes. And the brakes are constantly on so I am expecting to generate quite a bit of energy. ::)
I have no idea how high I will be able to climb on very steep off road terrain but I am hoping that with 2000W and 30Ah of LiFePO4 + continious pedal assist I may be able to make it from 1300M to 2000M then the fun begins as I drop into any single track of my choice :D
By the time I arrive home at 1300M I hope the battery to have enough charge to make it 100M downhill to the bar and then back again ;D
Anyone find out if these were 50A or 30A at 48V ? they look a bit small to handle 50A constant. ???
Soon to purchase components, have a 30Ah batt on it's way but keen to start building Prismatic packs. Have been discussing cell & BMS prices with Yesa and YGS Power. Gonna check out what is available with EV and then see what I can find in Switzerland. Postage is high so gonna ship by surface once all is decided. Should be rollin by end of July. 8)