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KT-LCD3
The illustrated manual will help you understand and be familiar with the meter function, guiding you on how to operate the meter, how to set the project parameters, how to achieve the best match of the three as motor, controller and meter to improve electronic control performance of the electric motor. This manual covers installation, operation, parameter setting of the meter and how to use it properly, which help you resolve the problems appeared in practical use. |
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Here are some comments from one of my clients, Toby Kurien, that you might find useful:
I've been playing around with some of the controller settings, to learn what they do and to optimize the bike. I found some interesting things, for example, the max speed limit setting on the LCD does not override a built-in 25km/h limit in the controller, so if climbing a hill and you get to about 25 km/h, the controller starts decreasing the power output. The throttle has many settings and I tried them all. I do indeed find the throttle very useful - the most useful scenario is when taking off from a robot or when braking to let a car by and then needing to speed up again - the throttle will allow full power to get up to speed quickly, regardless of the assist gear (unless it is 0, then throttle doesn't work). Another useful scenario is when climbing a hill, once you hit the 25km/h limit, you can still use the throttle to override the power limit and gain speed.
Some settings I recommend:
- P2 -> set to 1 (depending on motor). The default is 0, which is a bad value! If you switch on your bike, then walk with it for at least 10 seconds, you should see a speed of around 5km/h appearing on the LCD (if not, try another value). When set to 0, the speed will only appear if you are pedalling or using throttle, which means that while you are not using the motor (coasting), no speed appears, and more importantly, the distance is not added! So the distance will always under-read. On my motor, setting this to 1 worked, i.e. there's one speed pulse per revolution of the motor.
P3 set to 1 -> allows you to tune the power level for assist gears 1 to 4 by setting C14
P4 set to 1 -> will stop the throttle from being active if you are not pedaling. Good for safety (think kids playing with throttle while bike is parked)
C1 -> install the pedal sensor magnets the way the arrow on it displays. Then if it's inverted, change this from 1 to 6 or vice versa and it will work correctly.
C3 set to 0 -> when bike is switched on, it will start with assist level 0 (also for safety). I think if you set this to 8, it will remember whatever gear you were on last.
C4 set to 1 -> determines throttle mode. With this setting (and P4 set to 1), throttle will act as "walk mode" when not pedaling, and full power when pedaling. Mode 4 is also a good one: the throttle is limited according to the assist gear.
C9 -> allows you to set a pin code that you have to enter to ride the bike. I don't recommend it, because if you forget the pin code, you need to either replace the controller, or else copy settings from another controller using a special cable.
C14 -> change the power level of gears 1 to 4 to weak, medium, or strong (but P3 must be set to 1)
I've been playing around with some of the controller settings, to learn what they do and to optimize the bike. I found some interesting things, for example, the max speed limit setting on the LCD does not override a built-in 25km/h limit in the controller, so if climbing a hill and you get to about 25 km/h, the controller starts decreasing the power output. The throttle has many settings and I tried them all. I do indeed find the throttle very useful - the most useful scenario is when taking off from a robot or when braking to let a car by and then needing to speed up again - the throttle will allow full power to get up to speed quickly, regardless of the assist gear (unless it is 0, then throttle doesn't work). Another useful scenario is when climbing a hill, once you hit the 25km/h limit, you can still use the throttle to override the power limit and gain speed.
Some settings I recommend:
- P2 -> set to 1 (depending on motor). The default is 0, which is a bad value! If you switch on your bike, then walk with it for at least 10 seconds, you should see a speed of around 5km/h appearing on the LCD (if not, try another value). When set to 0, the speed will only appear if you are pedalling or using throttle, which means that while you are not using the motor (coasting), no speed appears, and more importantly, the distance is not added! So the distance will always under-read. On my motor, setting this to 1 worked, i.e. there's one speed pulse per revolution of the motor.
P3 set to 1 -> allows you to tune the power level for assist gears 1 to 4 by setting C14
P4 set to 1 -> will stop the throttle from being active if you are not pedaling. Good for safety (think kids playing with throttle while bike is parked)
C1 -> install the pedal sensor magnets the way the arrow on it displays. Then if it's inverted, change this from 1 to 6 or vice versa and it will work correctly.
C3 set to 0 -> when bike is switched on, it will start with assist level 0 (also for safety). I think if you set this to 8, it will remember whatever gear you were on last.
C4 set to 1 -> determines throttle mode. With this setting (and P4 set to 1), throttle will act as "walk mode" when not pedaling, and full power when pedaling. Mode 4 is also a good one: the throttle is limited according to the assist gear.
C9 -> allows you to set a pin code that you have to enter to ride the bike. I don't recommend it, because if you forget the pin code, you need to either replace the controller, or else copy settings from another controller using a special cable.
C14 -> change the power level of gears 1 to 4 to weak, medium, or strong (but P3 must be set to 1)