Direct current drives are PWM controllers with current limit feature

AutomationDirect IronHorse line of motors and drives now includes the GSD series of dc drives.

12/30/2013


AutomationDirect IronHorse GSD1 series dc drives are high-efficiency pulse-width-modulated (PWM) controllers for 12 V to 36 V battery and solar-powered equipment. The design features include adjustable maximum and minimum speed, current limit, I.R. compensation, and acceleration. The adjustable current-limit feature protects the control, battery, and motor from sustained overloads.

Courtesy of AutomationDirectThe GSD1 series dc drives are available up to ¼ hp and are available in open-frame and NEMA 4X enclosed styles. Each comes standard with a speed pot, knob, and dial plate, and an optional 0-10 V dc analog input signal card also is available.

IronHorse GSD3 series drives are general-purpose, economical variable speed controllers for small dc and universal motor applications up to 1/3 hp. Open-frame and NEMA 4 enclosed models are available with dual input voltages (12/24 V ac or 120/240 V ac) with a dc output current rating of 2 Amps, adjustable trim pot settings, and quick-connect terminal pins.

The drives, offered in dual voltage 120/240 V ac or 24/36 V ac models, incorporate up-to-date design and engineering in a compact package. Installation and field adjustments are facilitated using a barrier type terminal strip and large, easily adjustable trim pots to adjust horsepower ranges. The GSD4 series drives feature an inhibit circuit for start-stop operation, and 1% speed regulation in a 50:1 speed range.

The GSD5 series is rated to 2 hp and has a dual input voltage (120/240 V ac and 50/60 Hz). The GSD5 series drives are offered in open-frame and NEMA 4/12 enclosed models.

The GSD6 dc drive is an analog dc drive with a feature dual input voltage (120/240 V ac and 50/60 Hz) via slide selector, adjustable horsepower settings up to 3 hp, full-wave bridge supply, 50:1 speed range, transient voltage protection, and dc tachometer feedback.

The GSD7 series dc drives are available up to 2 hp. They are designed for instant reversing, quick stopping, and rapid cycling to outperform other dynamic braking and reversing drives by using zero-speed detection and dynamic braking circuits. The zero-speed detect circuit can eliminate motor plug reversing problems and additional features include 0.5-second fixed acceleration, automatic dynamic braking on power loss, and line voltage compensation.

The GSD series dc drives come with a one-year warranty. Additional accessories such as speed potentiometer kit, analog current and voltage input cards, digital potentiometer, and manual reverse switch are available.

- Edited by Jessica DuBois-Maahs, Associate Content Manager, CFE Media, Control Engineering, Plant Engineering, Consulting-Specifying Engineer



The Top Plant program honors outstanding manufacturing facilities in North America. View the 2015 Top Plant.
The Product of the Year program recognizes products newly released in the manufacturing industries.
Each year, a panel of Control Engineering and Plant Engineering editors and industry expert judges select the System Integrator of the Year Award winners in three categories.
Pipe fabrication and IIoT; 2017 Product of the Year finalists
The future of electrical safety; Four keys to RPM success; Picking the right weld fume option
A new approach to the Skills Gap; Community colleges may hold the key for manufacturing; 2017 Engineering Leaders Under 40
Control room technology innovation; Practical approaches to corrosion protection; Pipeline regulator revises quality programs
The cloud, mobility, and remote operations; SCADA and contextual mobility; Custom UPS empowering a secure pipeline
Infrastructure for natural gas expansion; Artificial lift methods; Disruptive technology and fugitive gas emissions
Power system design for high-performance buildings; mitigating arc flash hazards
VFDs improving motion control applications; Powering automation and IIoT wirelessly; Connecting the dots
Natural gas engines; New applications for fuel cells; Large engines become more efficient; Extending boiler life

Annual Salary Survey

Before the calendar turned, 2016 already had the makings of a pivotal year for manufacturing, and for the world.

There were the big events for the year, including the United States as Partner Country at Hannover Messe in April and the 2016 International Manufacturing Technology Show in Chicago in September. There's also the matter of the U.S. presidential elections in November, which promise to shape policy in manufacturing for years to come.

But the year started with global economic turmoil, as a slowdown in Chinese manufacturing triggered a worldwide stock hiccup that sent values plummeting. The continued plunge in world oil prices has resulted in a slowdown in exploration and, by extension, the manufacture of exploration equipment.

Read more: 2015 Salary Survey

Maintenance and reliability tips and best practices from the maintenance and reliability coaches at Allied Reliability Group.
The One Voice for Manufacturing blog reports on federal public policy issues impacting the manufacturing sector. One Voice is a joint effort by the National Tooling and Machining...
The Society for Maintenance and Reliability Professionals an organization devoted...
Join this ongoing discussion of machine guarding topics, including solutions assessments, regulatory compliance, gap analysis...
IMS Research, recently acquired by IHS Inc., is a leading independent supplier of market research and consultancy to the global electronics industry.
Maintenance is not optional in manufacturing. It’s a profit center, driving productivity and uptime while reducing overall repair costs.
The Lachance on CMMS blog is about current maintenance topics. Blogger Paul Lachance is president and chief technology officer for Smartware Group.
The maintenance journey has been a long, slow trek for most manufacturers and has gone from preventive maintenance to predictive maintenance.
This digital report explains how plant engineers and subject matter experts (SME) need support for time series data and its many challenges.
This digital report will explore several aspects of how IIoT will transform manufacturing in the coming years.
Maintenance Manager; California Oils Corp.
Associate, Electrical Engineering; Wood Harbinger
Control Systems Engineer; Robert Bosch Corp.
This course focuses on climate analysis, appropriateness of cooling system selection, and combining cooling systems.
This course will help identify and reveal electrical hazards and identify the solutions to implementing and maintaining a safe work environment.
This course explains how maintaining power and communication systems through emergency power-generation systems is critical.
click me