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Smart Motor Controller offers advanced soft-starter functions.

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February 6, 2013 - Rated 200–690 Vac (90–520 A with software), Allen-Bradley SMC-50 includes 3-phase, fully solid-state, silicon-controlled rectifier (SCR) power structure. This electric soft starter combines monitoring and protection features, multiple start and stop options, and expandable control inputs and outputs. Suited for controlling motor speed and torque in various normal- and heavy-duty applications, product features 9 standard starting modes, 6 stopping modes, and several slow-speed functions.

Allen-Bradley SMC-50 Smart Motor Controller from Rockwell Automation Offers Advanced Soft-Starter Functions at an Economical Price


(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)

Rockwell Automation
1201 South Second Street
Milwaukee, WI, 53204
USA



Press release date: January 31, 2013

Electric soft starter gives OEMs and end users more voltage and monitoring control for efficient motor starts, stops and troubleshooting

MILWAUKEE – Rockwell Automation introduces the Allen-Bradley SMC-50 smart motor controller, the company’s latest generation of solid-state motor controllers. This release includes a newly designed three-phase, fully solid-state, silicon-controlled rectifier (SCR) power structure. The new SMC-50 controller addresses the motor control needs of OEMs and end users seeking a more economical alternative to drives and more advanced control than across-the-line starters. Designed for customer flexibility, the SMC-50 controller combines advanced monitoring and protection features, multiple start and stop options, and expandable control inputs and outputs. These features help users increase efficiency, reduce downtime and improve control.

Rated at 200V-690V AC and with software from 90 to 520 amps, the SMC-50 controller is ideal for controlling motor speed and torque in a range of normal-duty applications, including pumps, compressors and short conveyors, as well as in heavy-duty applications, such as rock crushers, wood chippers, centrifugal fans and long conveyors.

The SMC-50 smart motor controller’s design improves voltage output to maximize efficiency of motor starts and stops. For application scalability, it features nine standard starting modes, six stopping modes and several slow-speed functions. In traditional starting mode, for example, if the SMC-50 controller senses that the motor has reached full speed before completing the selected ramp time, it will automatically switch to providing full voltage to the motor. The patented linear-acceleration starting mode offers the lowest starting current profile per start, consistent acceleration time, and enhanced control over both torque and speed. Regardless of the starting mode chosen, the SMC-50 controller stores the actual motor start time and peak current value to assist in setup and process optimization.

Depending on the application, controlling voltage during motor stopping is equally critical to controlling voltage during motor starts. For example, the SMC-50 smart motor controller using the Allen Bradley smart motor braking feature engineered with automatic zero-speed shut-off, quickly stops a motor without the need for additional hardware or feedback devices.

To further protect motor assets and decrease downtime, the SMC-50 controller utilizes advanced power monitoring and diagnostics. This results in highly scalable user-configurable faults and alarms, including motor overload protection, over/under voltage, stall protection, over/under power, jam detection, over/under current, excessive starts, current and voltage imbalance, power frequency protection, power factor protection, and preventative maintenance faults and alarms. The SMC-50 controller also boasts innovative features, such as energy saver, motor winding heater, and the snapshot and event log features, which capture fault, alarm and operational history.

The SMC-50 controller’s combination of standard and advanced features combined with user programming options, scalable I/O options, and network-integration capabilities, provide the ultimate in motor performance and energy management.

About Rockwell Automation
Rockwell Automation, Inc. (NYSE: ROK), the world’s largest company dedicated to industrial automation and information, makes its customers more productive and the world more sustainable. Headquartered in Milwaukee, Wis., Rockwell Automation employs over 22,000 people serving customers in more than 80 countries.

For more information:
• Allen-Bradley SMC-50 smart motor controllers:
http://ab.rockwellautomation.com/Motor-Control/Soft-Starters/SMC-50

• Allen-Bradley SMC-50 smart motor controller photo:
http://flic.kr/p/dLXP5m

Media contacts:
Sarah Larson
Rockwell Automation
414.382.5910
selarson@ra.rockwell.com

Patty Hoffman
Padilla Speer Beardsley Inc.
612.455.1781
phoffman@padillaspeer.com

Allen-Bradley, LISTEN. THINK. SOLVE. and SMC are trademarks of Rockwell Automation Inc.
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