
Let’s start by looking at the Controllers or CPUs of each manufacturer.įrom an Allen-Bradley programmer's perspective, at first glance a Siemens S7-1200 might look like a MicroLogix, with its small form factor and on-board I/O. So in today's article I want to share with you a comparison of these two product lines, including both the programmable controller hardware, as well as programming software.


Are you an experienced controls engineer working in manufacturing or integration with an in depth knowledge of Allen-Bradley and have recently been introduced to Siemens? Image by Chris Wrightįor eleven years I've predominately with Allen-Bradley Programmable Controllers, which is not very surprising as they are the most common brand used in North America.īut recently I started working with a manufacturing company who’s equipment is all Siemens, and for the past year I've been exclusively working with the Siemens line.
