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Curtis 1268 - User Manual

Curtis 1268
66 pages
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Manual
Model 1268
Electronic Motor Controller
Read Instructions Carefully!
Specifications are subject to change without notice.
© 2012 Curtis Instruments, Inc. ® Curtis is a registered trademark of Curtis Instruments, Inc.
© The design and appearance of the products depicted herein are the copyright of Curtis Instruments, Inc. 37873 Rev D 3/12
Curtis Instruments, Inc.
200 Kisco Avenue
Mt. Kisco, NY 10549
www.curtisinstruments.com

Table of Contents

Other manuals for Curtis 1268

Questions and Answers

  • B
    Brittany ConradJul 27, 2025
    What to do if Curtis Controller shows overvoltage?
    • G
      gouldjeffreyJul 27, 2025
      If the Curtis Controller indicates 'Overvoltage', first check the battery voltage to ensure it's within the acceptable range. Also, make sure the vehicle is not being operated with the charger still connected; disconnect it if it is. Finally, ensure the battery remains connected during regenerative braking to prevent overvoltage issues.
  • J
    Janet MunozAug 1, 2025
    Why Curtis 1268 Controller shows low battery voltage?
    • B
      brett52Aug 1, 2025
      If the Curtis Controller displays 'Low Battery Voltage', start by charging the battery. If that doesn't resolve the issue, clean any corrosion from the battery terminals and tighten any loose connections at both the battery and controller terminals.
  • M
    Mary WilliamsAug 6, 2025
    How to fix thermal cutback on Curtis Controller?
    • J
      James ThompsonAug 6, 2025
      If the Curtis Controller is experiencing thermal cutback, allow the system to reach a normal operating temperature. Ensure that the vehicle is not excessively loaded, reduce the load if necessary. Check if the controller is properly mounted. Avoid operating the vehicle in extreme environments.
  • C
    christinawilkersonAug 11, 2025
    What to do if Curtis 1268 displays motor stall?
    • M
      Matthew WhiteAug 11, 2025
      If the Curtis Controller indicates a motor stall, check the slope of the terrain to ensure it is not too steep for the vehicle's weight. Inspect the motor for any mechanical issues that may be causing it to lock. Examine the EM brake wiring for failures and test the speed sensor to ensure it is functioning correctly.
  • J
    Joyce WardAug 16, 2025
    How to fix main dropout on Curtis 1268?
    • S
      Sandra SimonAug 16, 2025
      If the Curtis Controller shows 'Main Dropout', test and replace the main contactor, as it is likely defective.
  • R
    Ricardo GreeneAug 20, 2025
    What does no known faults mean for Curtis 1268 Controller?
    • B
      Bradley JonesAug 21, 2025
      In this case, the Curtis Controller display indicates that the controller has not detected any problems.

Summary

1. OVERVIEW

2. INSTALLATION AND WIRING

Connections: Low Current

Explains the low current connector pinout and wiring for logic and control signals.

Connections: High Current

Details the high current connections for battery, motor armature, and field terminals.

Wiring: Throttle

Describes wiring configurations for various throttle types like potentiometers and 0-5V.

3. PROGRAMMABLE PARAMETERS

Acceleration;Deceleration Parameters

Parameters controlling the rate of acceleration and deceleration for vehicle speed.

Speed Parameters

Defines maximum forward and reverse speeds and conversion factors.

Throttle Parameters

Parameters that define throttle input voltage ranges and response curves.

Current Limit Parameters

Controls maximum current for driving, regen, and plug braking.

Brake Mapping Parameters

Parameters that define braking power based on vehicle speed.

Field Mapping Parameters

Parameters that determine field current application based on armature current.

4. INSTALLATION CHECKOUT

5. TUNING GUIDE

Tuning the Active Throttle Range

Ensuring the controller accurately reads the full throttle input range.

6. DIAGNOSTICS AND TROUBLESHOOTING

7. MAINTENANCE

Curtis 1268 Specifications

General IconGeneral
BrandCurtis
Model1268
CategoryController
LanguageEnglish

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