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AC F4-A

Product catalog summary

Overview
The Curtis Model AC F4-A Motor Controller is designed for precise speed and torque control of 3-phase AC induction and PMAC motors. It is equipped with dual ARM Cortex microprocessors for enhanced functional safety and efficient motor control, suitable for mobile equipment applications like materials handling trucks and construction equipment.

Key Features

Motor Control: High-efficiency, field-oriented algorithms for optimal performance and real-time torque and power estimates.
Durability: Compact, rugged housing with IP65 and IP67 protection, resistant to oils and chemicals.
Compatibility: Works with various AC induction and PMAC motors, with a comprehensive motor library.
Battery Efficiency: Configurable voltage protection and wide operating voltage range for modern battery chemistries.
Microprocessors: Dual architecture for high performance and safety compliance.
Customization: VCL allows the controller to function as a vehicle manager, reducing the need for additional controllers.
Diagnostics: Integrated status LED, error logging, and CAN-based programming for easy troubleshooting.

System Accessories

Curtis Model 3141: A CAN-based LCD vehicle status display with IP65 sealing and optional features.
Curtis Integrated Toolkit: A suite of development and diagnostic tools compatible with various USB>CAN interfaces.

Model Variants
The document lists several model variants with different nominal battery voltages and current ratings, some with optional features like isolated CAN and IMU.

Specifications

Voltage Range: Nominal input voltages from 24V to 80V, with specific minimum and maximum limits.
Frequency: PWM frequency is nominally 10 kHz, adjustable, with a maximum output frequency of 800Hz.
Temperature: Operating range from -40°C to 50°C, with thermal cutback features.
Design Life: 20,000 hours.
Environmental Rating: IP65 and IP67.
Weight and Dimensions: 1.9Kg, 180mm x 140mm x 75mm.

Catalog excerpts

Motor Controllers AC Motor Controller with VCL

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Superb Performance and Value The Curtis Model AC F4-A Motor Controller provides accurate speed and torque control of 3-phase AC induction and PMAC motors. The AC F4-A uses dual, high-performance ARM Cortex microprocessors to ensure the highest possible levels of functional safety, while providing highly efficient motor control and flexible system control capabilities. It is intended to control the Electric Traction (Propel), Hydraulic Pump and On-Engine Generator (OEG) Hybrid systems on mobile equipment applications such as Materials Handling Trucks, Aerial Work Platforms and Construction Equipment....

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FEATURES continued Get More Out of Your Battery— Regardless of the Technology ► High-efficiency means more of your battery's energy is converted to motor output power. ► Fully configurable over-and under-voltage protection parameters. ► Wide operating voltage range allows use with the latest cell chemistries such as lithium Ion. ► Configurable CANbus and VCL allows easy integration with the BMS (Battery Management Systems) typically found on Lithium battery packs. Powerful, High Performance Dual Microprocessors ► Dual-micro architecture achieves up to PL=D, category 2 functional safety under...

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The Curtis Integrated Toolkit A cost-effective, CAN-based LCD vehicle status display in a rugged 52mm diameter housing is the ideal partner to model AC F4-A. ► Large, easy-to-read 16-segment format LCD. ► Battery Discharge Indicator, Service (Hours) Counter and Diagnostic/ Message Center functions. ► Sealed to IP65, (IP67 optional). ► 12-48V nominal operating voltage range. ► CE compliant, UL583 recognized component. ► Optional backlight and heater. A fully integrated suite of development and diagnostic tools for use on CAN systems using Curtis and other 3rd party CAN-based products. It is comprised...

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CONNECTOR WIRING Interlock Emergency Reverse Optional Peripherals pravel_Umil [user i^put_ Traction Motor < Throttle Input Brake \ Throttle Input External Power Supply Input 5 Input 9 Input 13 / Enc 2B Input 7 Input 8 Input 10 (PWM) Input 11 / Enc 1C Input 12 / Enc 2A Input 19 / Pot 19 Supply Input 6 / Pot 6 Supply Input 1 / Pot 1 Wiper GND Input 18 / Pot 18 Wiper GND Input 14 / +12V Ext Supply Input 31 / +5V Ext Supply KSI Coil Supply Driver 1 / Input 21 Driver 2 / Input 22 Driver 3 / Input 23 Driver 4 / Input 24 Driver 5 / Input 25 Driver 6 / Input 26 Driver 7 / Input 27 Driver 8 Input 31 /...

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SPECIFICATIONS Nominal Input Voltage WARRANTY Two year limited warranty from time of delivery. is a trademark of Curtis Instruments, Inc. Specifications subject to change without notice ©2020 Curtis Instruments, Inc. 50354 REVB 11/20

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