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1232E

Product catalog summary

Overview: The Curtis Model 1232E is an advanced AC induction motor controller designed for on-vehicle traction drive or hydraulic pump duties. It features a dual-microprocessor logic architecture for enhanced performance and meets international functional safety standards.

Key Features:

Vehicle Control Language (VCL): Allows developers to write custom logic functions and create a virtual system controller. Curtis provides development tools and training.
Indirect Field Orientation (IFO): Maximizes torque and efficiency across the speed range, improving drive feel and speed regulation.
Auto-Tune Function: Enables easy motor characterization without removal from the vehicle.
Dual-Drive Functionality: Ensures smooth operation and load sharing between twin traction motors.
CANbus Connectivity: Configurable for communication with other devices, compatible with CANopen.
Integrated System Controller: Offers multi-function I/O pins for various inputs and drivers, and can control and monitor the entire system.

Performance and Flexibility:

Available in models with 175A–250A output at 24–80V.
Enhanced microprocessor and memory for increased VCL code space and execution speed.
Advanced PWM techniques for high efficiency and low motor harmonics.
Programmable for traction or pump applications, with field-upgradeable software.
Includes integrated battery state-of-charge algorithm and hour meters.

Safety and Reliability:

Dual microprocessor architecture for cross-checking critical functions.
Insulated metal substrate power-base for superior heat transfer.
Fail-safe design with reverse polarity and short circuit protection.
Thermal cutback and automatic shutdown for motor and controller protection.
Rugged housing and connectors meeting IP65 standards.

Compliance: Meets EMC and safety standards such as EN12895, EN1175-1, and is UL recognized per UL583.

System Accessories:

Model 840 LCD Display: Provides battery discharge, hour meter, and error messages.
Model 1352 CANbus I/O Expansion Module: Expands I/O capability with additional pins and drivers.
Model 1313 Handheld Programmer: For setting parameters and diagnostics.

Functional Safety Data: Includes safety function performance levels and architecture details.

Model Chart: Lists various models with specifications for battery voltage and current ratings.

Connector Wiring and Dimensions: Provides detailed wiring and dimension information for installation.

Warranty: Two-year limited warranty from delivery.

Catalog excerpts

Motor Controllers Microprocessor Motor Speed Controllers Model 1232E

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Model 1232E AC Induction Motor Controller A significant enhancement to the Curtis AC family, The ‘E’ models utilize a powerful dual-microprocessor logic architecture to provide improved performance and surpass the requirements of the latest international functional safety standards. The Curtis model 1232E provides advanced control of AC induction motors performing on-vehicle traction drive or hydraulic pump duties and offers the highest levels of functional safety. The Curtis Model 1232E is intended for use as the traction controller on class 3 material handling ‘walkies’ and other small industrial...

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Model 1232E AC Induction Motor Controller FEATURES Increased Performance, Improved Functionality Robust Safety and Reliability ▶▶ Higher performance form, fit and functional replacements for earlier Curtis Model 1232 AC controllers. ▶▶ Dual Microprocessor architecture cross-checks critical circuits, logic, and software functions to ensure the highest possible functional safety performance level is achieved. ▶▶ CE marked as a programmable safety device under EN ISO 13849-1. ▶▶ Models available from 175A–250A output at 24–80V system voltages. ▶▶ Enhanced 64MHz micro and additional FLASH memory...

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Model 1232E AC Induction Motor Controller FUNCTIONAL SAFETY DATA Safety Function Designated Architecture Uncommanded Powered Movement Motor Braking Torque MODEL CHART Model 2 Minute RMS Current Rating (A) SYSTEM ACCESSORIES The Curtis Model 840 LCD Multifunction display contains 8 large, easy to read characters to provide display of battery discharge (BDI), hour meter and error messages. Builtin backlight is also available. The Curtis model 1352 CANbus I/O expansion module features 9 I/O pins, including 6 proportional valve drivers. This module can be used to further expand the I/O capability...

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Model 1232E AC Induction Motor Controller PROP DRIVER 1 THR WIPER DRIVER I/O GND KSI DRIVER 2 DRIVER 4 CONNECTOR WIRING

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Model 1232E AC Induction Motor Controller WIRING DIAGRAM 1232 AC Induction Motor Controller COIL RETURN PROP. VALVE PUMP CONT LOAD HOLD VALVE TYPICAL WIRING EMERGENCY STOP B+ MOTOR TEMP. INPUT THROTTLE WIPER W +5V (100mA) ENCODER PHASE A PHASE B I/O Gnd BCAN H CAN L CAN TERM H SERIAL PORT SERIAL PORT 4 PIN MOLEX Two year limited warranty from time of delivery. is a trademark of Curtis Instruments, Inc. Specifications subject to change without notice

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