Issue 27- 2013

In this issue our cover story explores whether industrial Ethernet will fully replace fieldbus networks. Also in this issue, you’ll find how to access 3D models of our products,  how a group of students used the Do-more PLC to monitor a textile testing facility and, how the Do-more PLC replaced a DL205 CPU in a hydroelectric plant.

– TJ Johns
Senior Editor


In This Issue of The Automation Notebook…

  • Industrial Ethernet or Fieldbus Network?

    Industrial Ethernet or Fieldbus Network?

    With only about a quarter of the overall installed base of industrial networking using 4-20 mA and other hardwired methods, fieldbus communication systems are becoming the de facto choice for automation. Now the debate is shifting to the question of whether fieldbus-based networks will remain the standard or if it will be supplanted by industrial … Read More

  • Product Snapshots – Issue 27,2013

    Product Snapshots – Issue 27,2013

    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: ProSense Flow Switches and Mechanical Pressure Switches, More Enclosure Air Conditioners, Enclosure Filter Fan Kits and Exhaust Grilles,  PTFE and Stabilized PUR Pneumatic Tubing, Stainless Steel Pneumatic Fittings, A New … Read More

  • Pressure Switch Basics and Selection Tips – Issue 27, 2013

    Pressure Switch Basics and Selection Tips – Issue 27, 2013

    Pressure switches are commonly used in a wide variety of industrial and commercial applications. To meet the varying demands of these applications, numerous pressure switch designs are available. The key to selecting the best pressure switch for your application is understanding the differences in pressure switch designs. Sensing Technologies A pressure switch is simply a … Read More

  • How to Access AutomationDirect 3D Models

    How to Access AutomationDirect 3D Models

    AutomationDirect offers 3D models of their private label and brand label products. These 3D models are available via, a provider of free CAD parts libraries. To obtain 3D models for AutomationDirect products simply locate the product and download to your PC. Locating the 3D Model There are two methods for locating the 3D model … Read More

  • Students help Manufacturing Center See AND Do More – Issue 27, 2013

    Students help Manufacturing Center See AND Do More – Issue 27, 2013

    When the mechatronics students at Catawba Valley Community College (CVCC) in Hickory, North Carolina, went looking for a suitable project to challenge their recently acquired PLC and HMI skills, they didn’t have to go far.  The college’s Manufacturing Solutions Center (MSC) in nearby Conover needed a way to monitor the status of a large group … Read More

  • Get Linkedin with SIDirect – Issue 27, 2013

    Get Linkedin with SIDirect – Issue 27, 2013

    If you’re not familiar with it, LinkedIn is an online professional networking site used by businesses and individuals for recruiting and networking purposes. LinkedIn is home to more than 200 million users in over 200 countries/territories. However, there is more to LinkedIn than just jobs and resumes; LinkedIn can help with your business needs, connect … Read More

  • Switching to Do-more Saves Time – Issue 27, 2013

    Switching to Do-more Saves Time – Issue 27, 2013

    Almost 14 years ago, I converted the controls in my 80KW hydro electric plant, located in the mountains of western North Carolina, from custom micro-controller cards I developed while at Georgia Tech to the DirectLOGIC DL205 PLC with a D2-260 CPU. In 2013, it was time to make some upgrades to the plant by adding … Read More

  • Brainteasers – Issue 27, 2013

    Brainteasers – Issue 27, 2013

    The ‘bot is in Your Court The local robotics team has come up with a robot designed to automatically paint the lines on a standard tennis court.  The only issue with the robot is that turning the paint on and off makes a mess, but the team has realized that going over a line twice … Read More

  • Brainteaser Answers – Issue 27,2013

    Brainteaser Answers – Issue 27,2013

    In each issue of the Automation Notebook we feature a section of brainteasers. These are the brainteaser answers from Issue 27, 2013 of the Automation Notebook. The brainteaser questions are repeated the answers are posted below each question. You can view the brainteasers from Issue 27, 2013 without the answers here: The ‘bot is in … Read More