Allen-Bradley I/O

The First Generation of CompactLogix Controllers

The CompactLogix family of Programmable Automation Controllers has been popular with Small Machine Builders and System Integrators for many years. The most obvious reason for its popularity is that it's smaller and less expensive then Rockwell's ControlLogix line, while still...

Pre-order my CompactLogix Training Course to save over 70%!

Since I released my comprehensive ControlLogix Training Course (PAC Basics) last year, I've been receiving a lot of requests for a course covering the Allen-Bradley CompactLogix line of small Programmable Automation Controllers. With that in mind, over the past month...

What's New in Logix (TechED 18)

Of all the Rockwell Automation TechED 2018 presentations made available last week, the first ones I went through were the "What's New" presentations, as I'm always looking to find out what's new and coming from Rockwell. In today's article I'll review...

New Flex 5000 I/O

Welcome to part nine of the nine part series covering my choices for the top new PLC and HMI products shown at Rockwell's Automation Fair 2017. Note: While this series covers the products in which I am most interested, you'll...

A-B 5380 and 5069: Don't forget to order your terminal blocks!

The new 5380 CompactLogix and 5069 Compact I/O don't come with terminal blocks. For well over a decade Allen-Bradley customers counted on terminal blocks being included when they purchased either a 1769 CompactLogix controller, or 1769 Compact I/O. However, with the...

Rockwell launching new I/O line: 5069 Compact I/O platform

Recently one of our readers brought to our attention that Rockwell Automation was preparing to launch a new I/O platform (thanks Brian!) Not having heard of it myself, I headed over to Rockwell's Literature Library to see if they had yet to published any...
Flex Ex End of Life Fi

Rockwell updates Flex EX as "End of Life"

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...
MicroLogix 1500 to 1400 or CompactLogix

MicroLogix 1500 Migration Options

With the recent announcement from Rockwell Automation that the MicroLogix 1500's status has been changed to "End of Life," many are asking, "What's the best Micro to migrate too?" Since the 1500 has some unique features, in order to suggest a...
Failed to flash 1734-OE4C step featured image

How to avoid "bricking" Point I/O modules when you attempt to flash firmware

I was recently contacted about some very experienced controls engineers who had ran into a strange issue. They had come across a firmware problem with one of Rockwell's 1734 Point I/O modules, but weren't having any luck successfully upgrading the firmware. Actually, it was worse than that...
1734-RN014 FI

1734-OE4C Analog Output Module Not Holding Last State

I recently became aware of an issue with the 1734-OE4C not holding late state. If you use this module in an installation in which holding last state is important, you'll want to read the following. As I described in Monday's blog,...

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