SW900 Display. Finally got the PAS to work when installing the EBikeling-specific PAS sensor. However, it's a lot less smooth than a KT Display/Controller. Ironically the throttle on the EBikeling controller/display is a lot smoother and the PAS rougher. Guess that's just how it is with square-ware technology, can't have everything.
With the KT(LCD3) display, you can tune the amps and assist level a few different ways to more or less get the watts you need for each level. I like something around 150, 250, 400, 500, 850 for PAS 1-5. I was able to get that with KT after messing around with it a few times. I cannot get anything close to that with the SW900 PAS.
PAS 1 is fairly normal, it ranges from 100-300 watts depending on how steep the hill you are climbing is; when it's flat the power assist goes to 0W. PAS 2 suddenly jumps up to 750W and is at least twice as powerful as PAS 1. Unless you are on steep pavement it's not even practical for a 500W nominal hub motor; it will start burning through the battery faster and I really don't need more than 300-400W on pavement and maybe 500W offroad on steep hills. So I can't even use PAS 2 in most conditions, pretty dumb. PAS 3 looks like the same wattage as 2 but I can feel an additional (and impractical) power surge through the hub motor.
Parameters:
P07 Speed Measuring Magnet --- The manual told me to put this at 1 / 100 for geared hub motors.
P11 PAS Sensitivity --- Ranges from 1-24, I've changed this to 1, 24, and settled on 4 basically to give up on it; there is more of a lag starting up when it's at 24, but otherwise it's the same wattage when it actually starts and I don't notice any other difference in smoothness on startup. It's slow then jerky every time, even in PAS 1. The KT was smooth and consistent (as in 1/4 turn of the pedals) starting up in PAS 1 or 2, every time.
P12 PAS Start Strength --- 0-5 Range, tried 0, 2, 4, no difference.
P14 Current Limiting of Controller --- I have this at 15A (x48V) and it goes up to 15A (700+W) in only PAS 2. Rendering PAS 3, 4, 5 redundant.
I'll live with this until a mid-drive kit comes from China in the mail, but I have to say if you are normally doing PAS riding on a hub drive, the KT is clearly superior. What I'll probably do is PAS 1 only and then throttle when I need more power with this SW900 display. The thing that blows me away is that PAS start strength is now set at 0 / 5 and the watts are still high on just PAS 2 of 5. Not the greatest tuning on this controller.
With the KT(LCD3) display, you can tune the amps and assist level a few different ways to more or less get the watts you need for each level. I like something around 150, 250, 400, 500, 850 for PAS 1-5. I was able to get that with KT after messing around with it a few times. I cannot get anything close to that with the SW900 PAS.
PAS 1 is fairly normal, it ranges from 100-300 watts depending on how steep the hill you are climbing is; when it's flat the power assist goes to 0W. PAS 2 suddenly jumps up to 750W and is at least twice as powerful as PAS 1. Unless you are on steep pavement it's not even practical for a 500W nominal hub motor; it will start burning through the battery faster and I really don't need more than 300-400W on pavement and maybe 500W offroad on steep hills. So I can't even use PAS 2 in most conditions, pretty dumb. PAS 3 looks like the same wattage as 2 but I can feel an additional (and impractical) power surge through the hub motor.
Parameters:
P07 Speed Measuring Magnet --- The manual told me to put this at 1 / 100 for geared hub motors.
P11 PAS Sensitivity --- Ranges from 1-24, I've changed this to 1, 24, and settled on 4 basically to give up on it; there is more of a lag starting up when it's at 24, but otherwise it's the same wattage when it actually starts and I don't notice any other difference in smoothness on startup. It's slow then jerky every time, even in PAS 1. The KT was smooth and consistent (as in 1/4 turn of the pedals) starting up in PAS 1 or 2, every time.
P12 PAS Start Strength --- 0-5 Range, tried 0, 2, 4, no difference.
P14 Current Limiting of Controller --- I have this at 15A (x48V) and it goes up to 15A (700+W) in only PAS 2. Rendering PAS 3, 4, 5 redundant.
I'll live with this until a mid-drive kit comes from China in the mail, but I have to say if you are normally doing PAS riding on a hub drive, the KT is clearly superior. What I'll probably do is PAS 1 only and then throttle when I need more power with this SW900 display. The thing that blows me away is that PAS start strength is now set at 0 / 5 and the watts are still high on just PAS 2 of 5. Not the greatest tuning on this controller.
