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…
Brainteaser Answers – Issue 1, 2004
Automation NotebookIssue 1 – 2004Learning ResourcesNotebook IssueThe Break Room

Brainteaser Answers – Issue 1, 2004

In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from  Issue 1, 2004 of the Automation Notebook. The brainteaser questions are repeated in black. The answers to the brainteaser questions are highlighted in red with explanations. You can view the brainteasers from Issue 1, 2004 without the answers here: http://library.automationdirect.com/brainteasers-issue-1-2004…
How to Connect 3-wire Sinking & Sourcing Devices to PLC Input Modules
+Tech TopicsAutomation NotebookIssue 1 – 2004Learning ResourcesNotebook IssueProductProgrammable ControlTechnical Review

How to Connect 3-wire Sinking & Sourcing Devices to PLC Input Modules

When connecting a 3-wire field device to your PLC system, it is important to have a solid understanding of sinking (NPN) and sourcing (PNP) concepts. Sinking and Sourcing First, sinking and sourcing are only associated with DC circuits. DC circuits can conduct current in one direction only. This means that it is possible to connect…