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Schneider Electric 140CPU53414A

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DESCRIPTION: Processor 586K 4MEG 1xMB+

PRODUCT TYPE INFO: Modicon Quantum Processor


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2 Year warranty

Part Number140CPU53414A
ManufacturerSchneider Electric
Model #140-CPU-534-14A
Warranty2 Year
Communication Ports2 Modbus (RS-232)
1 Modbus Plus (RS-485)
Modules Supported6
Key SwitchYes
Processor ModelIntel 586 DX
Clock Speed133 MHZ
On-Board Math ProcessorYes
Watchdog Timer250 ms S/W adjustable
Internal Memory2.7 MB
Max HSBY Unlocated Data128kB
Ethernet Remote I/O Not Supported
Battery3V Lithium Battery
Service Life1200 mAh
Shelf Life10 Years

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed 140CPU53414A to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this 140CPU53414A we also repair drives, motors, PLCs and more, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty 140CPU53414A, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty 140CPU53414A for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Schneider Electric 140CPU53414A Overview

The Modicon 140CPU53414A is a Schneider Electric manufactured module that is a part of the Quantum Automation System. The Quantum Automation System comes with digital capabilities and is designed for real-time control in industrial applications as well as manufacturing applications. It does this within a modular architecture that is expandable and uses several modules including CPUs like the 140CPU53414A, CPS’s, I/O modules, Network interface modules, and several others. All of the Quantum System components work together on the Quantum system. The CPU is the bus master. These products are manufactured in France and are designed for Material handling, packaging, and textile machines usage. They come with a 2-year warranty from MRO Electric. We also carry CPUs from other manufacturers such as Modicon and ABB.


The Schneider Electric Quantum CPU module 140CPU53414A serves as a bus master.  It controls the local, remote, and distributed I/O of the Quantum System.  What kind of rack will you use for the 140CPU53414A module? The 140CPU53414A module is used on the Quantum local I/O rack.  Several functions can be implemented using the Modicon 140CPU53414A by using the programmable memory which internally stores user instructions.  What kind of functions can be used with the programmable memory on the 140CPU53414A? You can enjoy Logic, process sequencing, timing, coupling, arithmetic functions to name a few. These are controlled through digital and analog outputs for many different machines and processes.


The Modicon 140CPU53414A has a maximum internal memory of 2.7 Mbytes. Does the 140CPU53414A come equipped with a key switch? Yes, this module has a key switch. There are several components for ease of use on this module.  It has an LED display at the top front of the module. Directly above the LED display, you will find the module number and the module description. Below the LED display is where you will find the battery component. Beneath the battery component is the key switch. There is a small slot for the memory port and comm parameter slide switches. The slide switches are used for memory protection when it is in the top position. There are two three-position slide switches on this module. There is no memory protection when it is in the middle and bottom positions. The right switch is used for Comm parameter settings for the Modbus ports (RS-232). The final two things on the front of the 140CPU53414A are the Modbus connector and the Modbus Plus connector.  There is a removable door that covers the battery, key switch, memory port, Modbus connector, and Modbus Plus connector. You can also add a customer identification label to the attachable door on the front of the module.

How to use a 140CPU53414A

To assign ASCII function capabilities to the port, set the right slide switch to the top position. Are the ASCII functions already set and ready to use? Yes, the ASCII Comm parameters are preset.  They are not changeable. What are the port parameters? The transmission speed is 2,400.

The Parity is even. There are seven data bits and one stop bit. How do you set the Modbus Plus node and Modbus port addresses?  These are set at the rear of the 140CPU53414A module.  This is done through the two rotary switches.

Contact Us Today For More Information About Schneider Electric Products

Check out the rest of our Schneider Electric product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 140CPU53414A, take a look at more from our CPUs line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our 140CPU53414A products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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