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Schneider Electric 140CPU31110


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Part Number140CPU31110
ManufacturerSchneider Electric
Model #140-CPU-311-10
Warranty2 Year
Module formatStandard
Clock frequency66 MHz
Number of slots10
Number of racks2 - local rack(s)
Number of distributed I/O station63 station(s) - 1 rack(s) - 3 distributed network(s)
Number of remote I/O station31 - 2 remote rack(s)
Discrete I/O number8000 inputs, 8000 outputs - distributed - per network
31744 inputs, 31744 outputs - remote
Unlimited (27 slots max) - local
Analogue I/O number500 inputs, 500 outputs - distributed - per network
1984 inputs,1984 outputs - remote
Unlimited (27 slots max) - local
Application specific I/OAccurate time stamping
High-speed interrupt inputs
Serial link
Number of optional modules6 (Ethernet, Modbus, Modbus Plus, Profibus DP, Sy/Max)
Maximum number of connectionsUnlimited (AS-Interface) - local
4 (AS-Interface) - remote
2 (Profibus DP) - local
2 (Modbus) - RS232/485 Modbus/ASCII
2 (Modbus Plus) - local
2 (Ethernet TCP/IP) - local
2 (AS-Interface) - distributed
1 (USB)
Integrated connection type1 Modbus Plus
2 Modbus
ChecksProcess control
Memory descriptionInternal RAM 548 kB
Switch functionSlide switch communication port : ASCII/RTU/Memory
Slide switch memory port/off

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Repair Benefits

MRO can restore your failed 140CPU31110 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 140CPU31110 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 140CPU31110, 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.

  • Shipping Weight : 2lbs

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What does the 'Memory Protect' switch setting mean on the 140CPU31110?

  • When it is off, it allows you to run/stop CPU and application changes. When in not used, it should not be used as it can lead to undefined operation. When on it prohibits run/stop of CPU or modification of applications.
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 140CPU31110 Overview

140CPU31110 by Schneider Electric

Overview: Schneider Electric introduces the 140CPU31110, a high-performance CPU module designed to drive efficiency and reliability in industrial automation systems. With many features and capabilities, this CPU module epitomizes Schneider Electric's commitment to innovation and quality.

Type and Model: 

As part of the CPUs category, the 140CPU31110 represents a new processing power and versatility standard. Its model number 140-CPU-311-10 signifies excellence in performance and compatibility within Schneider Electric's product lineup.

Module Format and Clock Frequency: 

Following the standard format, this CPU module boasts seamless integration into existing setups, ensuring ease of installation and configuration. Operating at a clock frequency of 66 MHz, it delivers swift processing power for demanding industrial applications.

Number of Slots and Racks: 

This CPU module offers scalability and flexibility, accommodating different system architectures and expansion needs with ease. It supports up to 10 slots and various rack configurations (16, 2, 4, 6).

Distributed and Remote I/O Stations: 

The module supports various distributed and remote I/O stations, catering to diverse network configurations and connectivity requirements. With extensive input and output capabilities, it ensures seamless data exchange and control across the entire automation system.

Discrete and Analogue I/O Numbers: 

The module facilitates precise data acquisition and control by featuring a vast array of discrete and analog I/O numbers. Whether distributed or remote, it offers ample capacity for handling various sensor inputs and actuator outputs, ensuring accuracy and efficiency in industrial processes.

Application Specific I/O and Optional Modules: 

Equipped with application-specific I/O capabilities such as accurate time stamping, counters, and high-speed interrupt inputs, the module enhances system functionality and performance. Additionally, it supports optional modules, including Ethernet, Modbus, Modbus Plus, Profibus DP, and Sy/Max, for further customization and expansion.

Maximum Number of Connections and Integrated Connection Type: 

The module boasts unlimited local connections for AS-Interface and up to 4 remote connections. With integrated connection types, including Modbus Plus and Modbus, it offers seamless integration into various communication networks.

Memory Description and Switch Function: 

The module features an internal RAM of 548 kB, ensuring efficient data processing and storage. The slide switch communication port enables flexibility in communication protocols, while the memory port/off switch function enhances security and control.

Frequently Asked Questions about the Schneider Electric 140CPU31110 CPU Module

Q: What is the primary function of the Schneider Electric 140CPU31110 CPU module? A: The 140CPU31110 CPU module is the central processing unit in industrial automation systems. It manages data processing, communication, and control tasks to ensure the system's efficient operation.

Q: What is the clock frequency of the 140CPU31110 CPU module? A: The CPU module operates at 66 MHz, providing swift processing power for demanding industrial applications.

Q: How many slots and racks does the 140CPU31110 CPU module support? A: The module supports up to 10 slots and various rack configurations (16, 2, 4, 6), offering scalability and flexibility in system design and expansion.

Q: What are the supported distributed and remote I/O stations for the 140CPU31110 CPU module? A: The module supports up to 63 distributed I/O stations in 1 rack and 31 remote I/O stations across two remote racks, enabling seamless data exchange and control in industrial networks.

Q: What types of I/O numbers does the 140CPU31110 CPU module support? A: The module supports extensive discrete and analog I/O numbers for distributed and remote configurations, ensuring precise data acquisition and control in industrial processes.

Q: What optional modules does the 140CPU31110 CPU module support? A: The module supports optional modules, including Ethernet, Modbus, Modbus Plus, Profibus DP, and Sy/Max, allowing for further customization and expansion of the system.

Q: How many connections does the 140CPU31110 CPU module support? A: The module boasts unlimited connections for AS-Interface locally and up to 4 connections remotely, ensuring seamless integration into various communication networks.

Q: What is the memory description of the 140CPU31110 CPU module? A: The module features an internal RAM of 548 kB, enabling efficient data processing and storage for industrial applications.

Q: What is the 140CPU31110 CPU module's switch function? A: The module features a slide-switch communication port for flexibility in communication protocols and a slide-switch memory port/off function for enhanced security and control.

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 140CPU31110, 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 140CPU31110 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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