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The first Programmable Logic Controllers were designed and developed by Modicon as a relay re-placer for GM and Landis.
These controllers eliminated the need for rewiring and adding additional hardware for each new configuration of logic. The new system drastically increased the functionality of the controls while reducing the cabinet space that housed the logic.
The first PLC, model 084, was invented by Dick Morley in 1969.The first commercial successful PLC, the 184, was introduced in 1973 which was designed by Michael Greenberg.
The Modicon Compact PLCs offer the performance of the larger 984 slot and chassis-mount PLCs in a micro size package. The Modicon Compact provides powerful,versatile, and highly compatible solutions in the micro to small application ranges.The Modicon 984 Compact has the versatility of a fully modular construction, unequaled high speed peer-to-peer networking, and the power of 984 Family ladder logic functionality along with optional C language programming for custom OEM solutions that easily integrate into overall plant automation hierarchies. The 984/A120 Compact enables you to solve difficult control problems better and more efficiently than any other small, modular PLC available.
ECF Automation carries a full line of new and used ControlLogix 1769 controllers. If your part number is not listed contact us for assistance.
ECF Automation sources hard to find, discontinued, and obsolete controllers and drives. All refurbished parts are checked for defects prior to shipping and every part is covered by our 2 year warranty. In stock parts ship the same business day.
We will beat any quote from a competitor on the same part. Send us a quick quote now using the form on this page and we will have a better quote the same business day for most product lines.