Kelly Cheetah Series User Manual
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Kelly Cheetah Series User Manual

Light & flexible sinusoidal permanent magnet motor controllers
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Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User's Manual
Kelly Cheetah series KLS-S
Light & flexible Sinusoidal Permanent Magnet Motor Controllers
User's Manual
Devices Supported:
KLS4812S
KLS4818S
KLS4830S
KLS7212S
KLS7218S
KLS7230S
V1.13
Rev1.13
Jan. 2023

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Summary of Contents for Kelly Cheetah Series

  • Page 1 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Kelly Cheetah series KLS-S Light & flexible Sinusoidal Permanent Magnet Motor Controllers User’s Manual Devices Supported: KLS4812S KLS7212S KLS4818S KLS7218S KLS4830S KLS7230S Rev1.13 Jan. 2023...

  • Page 2: Table Of Contents

    Contents Chapter 1 Introduction ................. 2 1.1 Overview........................ 2 Chapter 2 Features and Specifications ............3 2.1 General functions ....................3 2.2 Features ........................ 4 2.3 Specifications ......................5 2.4 Name Regulation ....................5 Chapter 3 Wiring and Installation ..............6 3.1 Mounting the Controller ..................

  • Page 3: Chapter 1 Introduction

    This manual introduces the Kelly Small sinusoidal wave brushless BLDC motor controllers‟ features, their installation and their maintenance. Read the manual carefully and thoroughly before using the controller. If you have any questions, please contact the support center of Kelly Controls.

  • Page 4: Chapter 2 Features And Specifications

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Chapter 2 Features and Specifications 2.1 General functions (1) Extended fault detection and protection. The LED flashing pattern indicates the fault sources. Customers can read the error message in PC software or Android APP also.

  • Page 5: Features

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 (22) Can support three speed function on the latest version. Caution! The regen is not a safe function. Usually you may use the mechanical brake. 2.2 Features 1) Intelligence with powerful microprocessor.

  • Page 6: Specifications

    2.4 Name Regulation The name regulation of Kelly BLDC motor controllers KLS7230S KLS: Kelly BLDC motor controller based on sinusoidal waveform which is supposed to work with BLDC motor with three hall sensors. 72: 72V batteries S: Mini case for the controller...

  • Page 7: Chapter 3 Wiring And Installation

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Chapter 3 Wiring and Installation 3.1 Mounting the Controller The controller can be oriented in any position which should be as clean and dry as possible, and if necessary, shielded with a cover to protect it from water and contaminants.
  • Page 8 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 mounting holes‟ dimensions Figure 2:KLS-18S (dimensions in millimeters)
  • Page 9 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 mounting holes‟ dimensions Figure 3: KLS-30S (dimensions in millimeters)

  • Page 10: Connections

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 3.2 Connections 3.2.1 Pin definition of KLS-S Controller waterproof connector Figure 4: 1,The switch signal is valid to 12V on pin11 2,12V capacity is low.This 12V only can be used for LED or switch signals.
  • Page 11 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 (6) RTN: Signal return or power supply return. Black (12) FWD: Forward switch or High speed switch White (11) 12V:12V Source Red (22) ECO: Low speed switch input. Blue (7) PWR: Controller power supply (input).
  • Page 12 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 3.2.2 Wiring of KLS-S Controller 3.2.2.1 Standard wiring of KLS-S controller Figure 5: KLS-S controller standard wiring(F-N-R control) (Battery voltage can be used for controller supply)
  • Page 13 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Figure 6: KLS-S controller standard wiring(Three speed function control) (Battery voltage can be used for controller supply) 3.2.2.2 Optional wiring of KLS-S controller The 12V input signal of the pin supplies the second braking function of the controller.
  • Page 14 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Figure 8: Wiring of brake switch(12V): 12V is provided by KLS-S controller on pin11 Figure 9: Wiring diagram for motor temperature sensor 3.2.3 Communication Port A 4pin connector to RS232 port is provided to communicate with host computer for calibration and configuration.

  • Page 15: Installation Check List

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 3.3 Installation Check List Before operating the vehicle, complete the following checkout procedure. Use LED code as a reference as listed in Table 1. Caution: • Put the vehicle up on blocks to get the drive wheels off the ground before beginning these tests.

  • Page 16: Chapter 4 Programmable Parameters

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Chapter 4 Programmable Parameters KLS Configuration program allow users to set parameters according to the vehicle actual working environment so as to be at its best. The default parameters of the controller are not recommended for all applications. Make sure set the proper parameters before making any test to avoid danger.
  • Page 17 (7)TPS High Err: Hall active pedal, if higher than the value, report the fault of TPS Type. Range: 80~100 As you may know, the output of hall throttle from Kelly is about from 0.86V to 4.2V. Our controller will report 3.3 error code if the output of hall throttle is below 0.5V or above 4.5V by default.
  • Page 18 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 (8)TPS Type: TPS Type, 1:0-5V 3-wire 0-5K pot,5K is normal,2K-20K can be used;2:Hall active throttle or pedal. Range: 1~2 (9)TPS Dead Low: TPS Dead Zone Low. Range: 5~40 Functional description: Set throttle effective starting point Suggestion: Set according to the practical situation, factory default is 20%*5V=1.0V.
  • Page 19 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Three speed: This item is used to enable or disable three speed function. By default, it is at 0 0: Three speed function is disabled.1:Two speed function.2:Three speed function is enabled.
  • Page 20 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 (23)Three Gears switch: It is used for function of F-N-R control. Please check the wiring diagram in the manual for F-N-R control. Suggestion: Set according to the practical situation, factory default is Disable.

  • Page 21: Step 2

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 If there is no foot switch signal, the controller will ignore the throttle signal. Suggestion: Set according to the practical situation, factory default is Disable. (26)Cruise Control: Value range: Enable and Disable If enable, if you hold throttle at certain position about 5 seconds, the controller will get into Cruise control.

  • Page 22: Step 3

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 It is only used for the Resolver sensor type. (5)Motor Temp Sensor: Motor Temp Sensor, 0：None,1:KTY84-130 or 150,2:KTY83-122.Range High Temp Cut Out °C: Motor High Temp Cut Out, nominal value 130°C. Range: 60~170 Resume °C: Motor High Temp Resume Temp, nominal value 110°C.
  • Page 23 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 0~50 The brake switch regen mode. You have to turn on the brake switch after the throttle is released for the regen to occur. Factory set is 10 (8)BRK_AD Brk%:It is used to adjust the max regen percentage of brake variable regen mode.

  • Page 24: How To Use Identification Angle Operation Function

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 4.4 How to use Identification angle operation function We must do Identification angle operation before running motor for all KLS controllers. The Identification angle operation can be done in PC program or Android App(Tablet or Cell Phone).
  • Page 25 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Customers also can use a Z-TEK USB to RS232 cable and SM-4A DB9(RS232) Converter to connect the controller to an Android Tablet. The third option is customers can buy our Bluetooth converter to connect the controller to Android Phone.We don‟t have to use SM-4A to DB9(RS232) converter any more when you use...
  • Page 26 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 4,Please turn on the key switch so that the controller can get power supply from B+/B- and Pin7.Please try to open the user program in your computer or other devices.Then you may try to click Read button in user program or App.You will see the first picture of user program.
  • Page 27 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 9,Please turn off the power supply again. Please wait about a few seconds to turn on the power supply one more time. 10,Please try to connect the controller to user program again. You will see 85 in the identification angle item.

  • Page 28: Chapter 5 Maintenance

    Identification angle operation. • Use a straight through RS232 cable or USB converter provided by Kelly to connect to a host computer. Provide >+18V to PWR（for a 24V controller, provide >+8V）. Wire power supply return(supply negative) to any RTN pin.

  • Page 29: Green Led Codes

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 Customers may download PC software or Android APP to program the controller before running the motor. You may do Identification angle operation for brushless motor after running the software or Android APP.Every item in the configuration program can show the explanation automatically when you click it.
  • Page 30 Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 cut back or stopped regen. 4. This only accurate to ± 2% upon Overvoltage setting. Low voltage error ¤ ¤¤¤ 1. The controller will clear after 5 seconds if battery volts returns to normal.

  • Page 31: Contact Us

    Kelly KLS-S Cheetah series Sinusoidal Permanent Motor Controller User’s Manual V1.13 sensor error controller. This error code is only valid for KLS-8080I controller. Customers may read error codes in PC software or Android Tablet Contact Us: Kelly Controls,Inc Home Page: http://www.KellyController.com...

This manual is also suitable for:

Kls4812sKls7212sKls4818sKls7218sKls4830sKls7230s ... Show all

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