Common Questions About Control Transformers
+Tech TopicsAutomation NotebookElectrical PowerIssue 2 – 2004Learning ResourcesNotebook IssueProductTechnical Review

Common Questions About Control Transformers

What Is A Control Transformer? A control transformer is an isolation transformer designed to provide a high degree of secondary voltage stability (regulation) during a brief period of overload condition (also known as ‘inrush current’). Control transformers are also known as machine tool transformers, industrial control transformers, or control power transformers. How Do I Select…
Using Indirect Addressing in a PLC to Scale a Non-linear Analog Input Signal
+Tech TopicsAutomation NotebookIssue 2 – 2004Learning ResourcesNotebook IssueProductProgrammable ControlTech Thread

Using Indirect Addressing in a PLC to Scale a Non-linear Analog Input Signal

Indirect addressing, or pointer addressing as it is called with Koyo PLCs, is an addressing mode found in many processors’ instruction sets that specifies a register that contains the effective address. Accessing the operand requires two memory accesses – one to fetch the effective address and another to read or write the actual operand. Indirect…
Ever Wonder How AutomationDirect Customers Are Applying Their Products?
Application StoriesAutomation NotebookEnergy/UtilitiesIndustryIssue 2 – 2004Learning ResourcesNotebook IssuePLCProductProgrammable ControlUser SolutionsWater/Wastewater

Ever Wonder How AutomationDirect Customers Are Applying Their Products?

Check out some of the application stories we’ve collected and you’ll see that AutomationDirect products are used in a wide variety of applications across many different industries. — Jump to Application Spotlight D2-250 PLC PID Loops Control Pumps In Residential Water System We used PID loops in the D2-250 CPU to control three pumps and…
PLC Technology and Application Tips
+Tech TopicsAutomation NotebookIssue 2 – 2004Learning ResourcesNotebook IssuePLC SpeakingProductProgrammable Control

PLC Technology and Application Tips

Over the past ten years, AutomationDirect, formerly PLCDirect, has provided PLC (Programmable Logic Controller) products in many shapes, sizes, and I/O counts, and with a wide variety of features. Since PLCs were the products on which this company was founded, it is only natural to devote a column on the subject of PLCs in the…
Business Notes – Issue 2, 2004
Automation NotebookBusiness NotesCompany TopicsIssue 2 – 2004Learning ResourcesNewsNotebook IssueProductVariable Speed Drives

Business Notes – Issue 2, 2004

RFID Will Affect Many Manufacturers And Packagers Radio frequency identification (RFID) has become one of the most visible issues in manufacturing and packaging in recent months. At its simplest, RFID is a generic term for technologies that use radio waves to automatically identify products to which a special tag has been affixed. To identify or…
Product Snapshots – Issue 2, 2004
Automation NotebookIssue 2 – 2004Learning ResourcesNotebook Issue

Product Snapshots – Issue 2, 2004

We have added several exciting products since our last edition of the Automation Notebook. Here are some highlights about some of those new products including: T1H EBC100 Ethernet link, Non-metal Enclosures, Marathon Motors line extended, 2-pole supplementary protectors, 50 and 75 VA control transformers. New Module Provides High-Performance, Low-Cost Ethernet Link The new T1H-EBC100 module provides a…
Strides in Motor Technology
ApplicationAutomation NotebookFeature StoryIssue 2 – 2004Learning ResourcesManufacturingMotorsNotebook IssueProduct

Strides in Motor Technology

When AutomationDirect was looking to provide customers with a high-performance, cost effective drive/motor package to complement their growing line of AC variable speed drives, they turned to Marathon Electric – a well-recognized, well-respected name in the industry. Marathon manufactures a full line of general purpose, inverter-duty, vector-duty and NEMA premium efficiency motors to meet the…
How Secure Is Your Control System?
ApplicationAutomation NotebookData System MonitoringIssue 2 – 2004Learning ResourcesNotebook IssueTechnology Brief

How Secure Is Your Control System?

-Maroochydore, Australia, April 2000- Fired by the contractor who installed the control system at the local water treatment plant, engineer Vitek Boden was then rejected for a job by city council. Laid off and ticked off, Boden sought his foul revenge. Using a stolen laptop and two-way radio, he connected wirelessly to the plant’s control…
New SureStep™ Stepping System
Automation NotebookIssue 2 – 2004Learning ResourcesNotebook Issue

New SureStep™ Stepping System

AutomationDirect has launched the SureStep family of products, a new open-loop stepping system that provides simple and accurate control of position and speed and offers a great solution for applications requiring lower power and low cost. The SureStep family includes four standard motors and a “one-size-fits-all” step motor drive. With holding torques from 83 oz-inch to 434…