Allen-Bradley PLC

Sharing Data Between A-B Programmable Controllers

Recently, one of our community members asked how he could go about sharing data between various Allen-Bradley PLCs. First he needed to share Tag Values between two ControlLogix controllers, after which he needed to read...

How To Program A-B's First PLC

In our previous article we discussed the hardware details of Allen-Bradley’s first programmable controller, the PDQ-II. Now in today’s article we’ll take a detailed look at the program side, including programming options and procedures,...

The PDQ-II: Allen-Bradley's First PLC

It was the summer of 1969, and Information Instruments, Inc (3I) became the second company (after DEC) to supply a “Standard Machine Controller” to the GM’s Hydra-Matic division, several weeks ahead of Bedford Associates...

ControlFlash Error: DTL_E_FAIL, Illegal Command Format

This weekend I was working on a project creating and testing a MicroLogix program using a 1763-L16BBB Series A, Frn 1.0, and found certain bits we're getting stuck. This can be caused by poor programming,...

Connect A-B PLCs to the Cloud using MQTT

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Learn how to connect A-B PLCs to the Cloud using an MQTT Gateway today on The Automation Show (S2E01) For more information, check out the "Show Notes" located below the video. [vimeo 650808618 w=750 h=420] The Automation...

FactoryTalk Logix Echo from Rockwell (P85)

My guest this week is Brad Prosak of Rockwell who introduces us to FactoryTalk Logix Echo in Episode 85 of The Automation Podcast. For more information, check out the "Show Notes" located below the video. Watch...

How To Migrate PLC-5 and SLC-500 Programs to Studio 5000 and Logix Controllers

Recently one of our readers submitted a question asking for help migrating from a legacy Rockwell PLC (aka PLC-5 or SLC-500) to their new PAC lines (ControlLogix and CompactLogix.) In his email he went on...

Tech Tip: Learn to Program Logix with Affordable All-In-One PLC, IO, RSLogix and Application...

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Learn how to program ControlLogix and CompactLogix applications without having to buy thousands of dollars of hardware and software in today's episode of Automation Tech Tips. For more information, check out the "Show Notes" located...

Community Q & A: ControlLogix Comms Issue

In this edition of "Community Q & A," one of our locals community members needs help connecting to his ControlLogix Controller. Note: To see a list of all our ControlLogix videos and articles, click HERE. Community...

Using the PID instruction in a Micro820

I am still getting familiar with Connected Components Workbench, and have yet to implement a function block program prior to this article. In this first program I walk through how to setup and use the...
Automation-Fair-2014-AB-Micro800

How to Message (MSG) data from a ControlLogix to a Micro800 over Ethernet

If you are implementing a Micro800 series PLC, there is a chance you are doing a small, standalone project that needs no communication with other devices or centralized control system, but that is not...

Community Q & A: Data Highway Plus Timeouts

In this edition of "Community Q & A" (formerly "Insight's Inbox",) I discuss with one of our community members at automation.locals.com what might be causing one of his Data Highway Plus devices to keep...

Micro820, Panelview 800, and Powerflex 525 CCW Project

One of the positive attributes of the Connected Components Workbench project is the ability to program multiple devices with one software package. A CCW project can contain the Panelview 800 HMI, the Micro 800 controller...

Connecting a Micro820 and PanelView 800

One of the interesting aspects of automation is “making things talk.” Connecting devices together, whether we are talking about a host of network switches, HMI devices, drives, servers, controllers or any other intelligent device,...

PanelView 800 to MicroLogix 1100 via Ethernet

In my first article on the PanelView 800 I discussed getting acquainted with the terminal and software and creating the CCW project. In this article I plan to connect to a controller and cover the...

What's New in CCW v13 (P70)

In this episode of The Automation Podcast, I sit down with Jie Hong of Rockwell Automation to get an overview of the new features of Connected Components Workbench Version 13. For more information, check out...

Extended Tag Properties in Logix and View Designer

I’ll admit, I don’t always investigate every new feature that I read in a software’s release notes and many times I fail to utilize them for some time. Such is the case for tag extended...

How to download RSLogix Micro, RSLinx, and Emulate 500 for free (2021)

NOTE: The free "RSLogix Micro Starter Lite" software I show how to download in this article only works with the MicroLogix 1000, MicroLogix 1100, and free PLC Emulator. If you need help learning to use...

Example Application: Reading ControlLogix Tags into a Siemens S7-1200

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In my last article, I went through the necessary steps to read and write data to and from tags in a ControlLogix via a program in a Siemens S7 PLC. In today's article I'll go...

How To Read and Write to ControlLogix Tags from a Siemens S7 PLC

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I would think that it would be extremely nice to have an entire manufacturing environment using the exact same control system with the same hardware and software throughout, but I can imagine that there...