Updating a ControlLogix Redundancy System

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When I think about controller redundancy, the first thought that crosses my mind is “I better do my research, because the components have to be exact.” If you are familiar with the redundancy setup, you know what I am referring to....

Device Level Ring: Adding a Remote I/O Chassis

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I first began using ControlLogix in 2001, back when the software and firmware were both at version 7. In those early days it wasn't so easy to add a new remote I/O Chassis to an existing ControlLogix system as most...

Writing ControlLogix Controller Logs To Removable Media

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In modern industry, when it comes to production downtime, very few events are overlooked without an explanation. “Failure analysis” on failed components, and “root cause analysis” for downtime events, are common terminology you will hear if you are involved in...

ControlLogix Reading Data From CompactLogix, SLC-500, MicroLogix over Ethernet (Video S29)

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In this week's episode of The Automation Show, I cover how to use the MSG (Message) Instruction in the ControlLogix to read data from CompactLogix, SLC-500, and MicroLogix over Ethernet: For more information, check out the "Show Notes" located below...

Logix CIP Security Changes Lead To Integration Issues

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One of the gratifying opportunities in the life of a control system’s engineer is to successfully upgrade a legacy system to a newer system with more features and capabilities. We, as automation specialists in general, love to obtain the newest...

ControlLogix Reading Data From PLC-5 and SLC-500 over DH Plus (Video S27)

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In this week's episode of The Automation Show, I cover how you can use the MSG (Message) Instruction in the ControlLogix to read data from the PLC-5 and SLC-500 over a Data Highway Plus network: For more information, check out...

ControlLogix Reading Data From CompactLogix, MicroLogix, and SLC-500 over DH-485 (Video, TAS 26)

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In this week's episode of The Automation Show, I cover how you can use the MSG (Message) Instruction in the ControlLogix to read data from CompactLogix, MicroLogix, and SLC-500 over a DH-485 network: For more information, check out the "Show...

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...

CompactLogix Training Course Now On Sale, Just $99

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Do you know someone who needs to learn how to use the Allen-Bradley CompactLogix Programmable Controller? If you do, please share with them that our new Compact Basics online training course is on sale for just $99! This course includes eight...

Leaving Your Legacy Control Equipment

Some will argue that there's no reason to remove part of a control system that today is running as good as it has for the last twenty years (or longer.) Especially when that legacy hardware has been as durable as...