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參數(shù)資料
| 型號(hào)： | OM9391SP |
| 英文描述： | DSP-Based Motor Controller For Three-Phase AC Motors(基于DSP的電機(jī)控制器（用于三相交流電機(jī)）) |
| 中文描述： | 基于DSP的電機(jī)控制器的三相交流電動(dòng)機(jī)（基于數(shù)字信號(hào)處理器的電機(jī)控制器（用于三相交流電機(jī)）） |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 48K |
| 代理商： | OM9391SP |
PRELIMINARY
OM9391SP
Rev 01 5/29/00
205 Crawford Street
Leomnster MA 01453
Phone: 978 534 5776
Fax: 978 537 4246
www.omnirel.com
1
FEATURES / BENEFITS
Embedded Motor Control DSP improves system integration and flexibility
15A average phase current with 325V maximum bus voltage
Hall Effect sensor based or sensorless control for improved reliability
Logic supplies (+15V/+5V) generated onboard, eliminating external parts
Serial port for isolated RS-232 interface allows system level control
Direction and Velocity control
Rugged plastic module for high reliability applications
Low impedance bus terminal construction
APPLICATIONS
Fans
Pumps
Compressors
Fin Actuators
Braking Systems
DESCRIPTION
The OM9391SP is a DSP-based motor controller for three-phase AC Motors, such as the Permanent Magnet
Synchronous Motor (PMSM) or the AC Induction Motor (ACIM). The controller is designed to improve
system integration, efficiency, flexibility, and reliability while reducing the overall system cost. The
OM9391SP can be configured for trapezoidal commutation via Hall effect sensor feedback. In this
configuration, the Hall effect sensor outputs provide discrete absolute rotor position for commutation. The
Hall effect sensor outputs are fed into the control port, level shifted onboard from 15V to 5V, then fed
directly into the DSP. Based on this information, velocity is determined. Alternatively, the OM9391SP can
be configured for sinusoidal or trapezoidal commutation via sensorless control. Consult the factory for
details.
The OM9391SP requires a single ended 28V supply for logic and up to 270V for motor bus. The logic
voltage supplies (15V and 5V) are derived onboard from the 28V supply. The OM9391SP will
accommodate either an analog or digital command input. For the latter, a serial port is provided onboard to
interface with an isolated RS-232 communications port. The OM9391SP provides direction control as well
as current limit for over-current protection.
The OM9391SP is a complete motor control solution housed in a rugged plastic module designed for high
reliability applications. The assembly process includes chip-on-IMS (Insulated Metal Substrate) technology
for the driver and power stages to maximize the power density and surface mount technology for the control
stage. This combination of chip-on-IMS and surface mount technologies and rugged plastic package
provides a low cost, high performance motor control solution for high reliability applications including fans,
pumps, compressors, fin actuators and braking systems.
DSP-BASED MOTOR CONTROLLER
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