Large Rack Of Point I/O

Large Point I/O rack communication issue

  I was recently called into a “consumer goods” plant to look at a communication problem with Point I/O. The night before I was told all the Point I/O, which had been successfully tested overseas, was no longer working. However, when I arrived on-site the problem was...
Rockwell Automation Literature Library Homepage

How to get Allen-Bradley (A-B) and Rockwell Software (RS) Manuals and Documentation: Part 1

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When using new products from Allen-Bradley or Rockwell Software, you’ll likely need to refer to the product documentation and manuals for product details. And if you still have the box the product came in, you’ll often find an installation...
Using the EthernetIP Capacity Tool Featured Image

Estimating your Allen-Bradley (A-B) Logix controller's Ethernet/IP bandwidth using Rockwell's free Ethernet/IP capacity tool

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When designing or upgrading a system which relies on a network, bandwidth is always a concern. But for Rockwell's CompactLogix and ControlLogix on an Ethernet/IP network there is a free, easy to use utility to help you size your system. Rockwell's Ethernet/IP Capacity Tool: UPDATE 06/01/2018:...
Rockwell Automation Literature Library Homepage

How to get Allen-Bradley (A-B) and Rockwell Software (RS) Manuals and Documentation: Part 2

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Getting hard physical copies of manuals and documentation for Allen-Bradley and Rockwell Software products:   Click here to read part one of this article Yesterday we discussed how to get electronic copies of Allen-Bradley (A-B) and Rockwell Software (RS) manuals and documentation....

Automation Talk: Thoughts, Impressions, and Goings-on for March 6, 2019

I'm very fortunate to be able to catch up with so many connections, blog readers, and forum posters each week. Often our discussions go in some interesting directions, many of which I think our readers here would also enjoy hearing...

Converting Equipment from PC-Based to PLC-Based Control

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My company was provided an OEM label printer and applicator machine that was being controlled by five Arduino PC boards. They were asked to provide a PLC control system, however, they insisted that they needed to use this controls architecture...
Flex Ex End of Life Fi

Rockwell updates Flex EX as "End of Life"

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While preparing a story on another product's life cycle status, we became aware of the fact that Rockwell had updated the status of their 1797 Flex Ex line to "end of life." The Flex Ex line of distributed I/O is based on the popular Flex I/O...

Using The Sequencer Output Instruction in RSLogix/Studio 5000 (Video, TAS 7)

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In this week's episode of The Automation Show, we walk through what it takes to use the Sequencer Output Instruction in RSLogix/Studio 5000: (starts at 3:00) For more information, check out the "Show Notes" located below the video. [vimeo 368573594 w=750...

Point I/O vs Flex I/O

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A reader recently asked what the difference was between Point I/O and Flex I/O, and in today's article I'll share my thoughts on the subject. Note: Those not familiar with Rockwell's I/O products may also want to consider 1756 I/O,...
Compact IO Featured Image

Why the option to "hold last state" is important in control systems

There are some control system applications where system outputs must hold last state in the event they become physically disconnected from the controller, or if the controller stops controlling those outputs for any reason. These applications include some heating, cooling, and pumping applications where the...