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Schneider Electric PC-A984-141

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Part NumberPC-A984-141
ManufacturerSchneider Electric
Model #PCA984141
Warranty2 Year
ApplicationModbus communication protocol

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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 PC-A984-141 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 PC-A984-141 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 PC-A984-141, 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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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 PC-A984-141 Overview

Schneider Electric PC-A984-141 Overview

The Schneider Electric PC-A984-141 I/O Subsystems represent a comprehensive and versatile solution for managing input and output operations in industrial settings, particularly in factory automation and control systems. This system, designed by Modicon, a part of Schneider Electric, emphasizes flexibility, compatibility, and efficiency in handling various types of input and output modules.

I/O Modules: The Building Blocks

Input Modules

Input modules are critical components of the I/O subsystems. They are responsible for receiving electrical signals from field devices like pressure switches, limit switches, proximity switches, and photo sensors. These modules isolate these signals from the controller, ensuring safety and reducing noise, and convert them into voltage levels that are compatible with the controller's State RAM.

Output Modules

Output modules perform the inverse function of input modules. They take electrical signals from the controller's State RAM, isolate these signals from the field, and convert them into voltage or current levels necessary to activate devices like relays, lamps, or solenoids on the factory floor.

Types of I/O Modules

The Schneider Electric I/O subsystem offers a diverse range of modules to cater to various industrial needs:

  1. Discrete Input and Output Modules: These modules deal with digital signals and are designed to support different types of field input devices, including AC, DC, and TTL devices.
  2. Analog Input and Output Modules: These modules are used for analog signals, converting input signals from devices measuring pressure, temperature, level, etc., into numerical data. Conversely, they convert numerical data from the controller into analog output signals for devices like heaters or pumps.
  3. Special Purpose and Intelligent Modules: Designed for unique applications like multiplexing, high-speed counting, temperature reading, and applications requiring bidirectional capabilities and on-board processing power.

Local and Remote I/O

Local I/O

Local I/O systems are positioned near the controller. These systems are limited to specific I/O modules and are generally used for applications where quick data transfer is crucial.

Remote I/O

Remote I/O systems, on the other hand, can be positioned up to 15,000 ft from the controller. They are ideal for larger facilities where the controller and the field devices are not in the same location. These systems can support multiple drops, with some controllers handling as many as 32 drops. The use of RIO processors and interfaces facilitates communication over these long distances.

ASCII Communication and RIO Interfaces

The Schneider Electric PC-A984-141 also allows for ASCII communication at remote I/O drops, enabling connection with ASCII data entry and display devices. This feature is supported by specific RIO Interfaces like the J812, J892, P453, and P892, each designed to handle different I/O series and support multiple ASCII devices.

Application and Versatility

The versatility of the Schneider Electric I/O subsystems lies in their ability to be tailored to a wide range of industrial applications. Whether it's for discrete manufacturing, process control, or other specialized applications, these I/O subsystems offer robust and reliable solutions.


In conclusion, the Schneider Electric PC-A984-141 I/O Subsystems represent a significant advancement in industrial automation. Their ability to handle a wide range of I/O requirements, coupled with their flexibility in local and remote operations, makes them a vital component in modern industrial control systems. Their design reflects Schneider Electric's commitment to innovation, reliability, and efficiency in industrial automation solutions.

Schneider Electric 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.

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 PC-A984-141, 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 PC-A984-141 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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I needed a special drive, found it, and I was quickly assisted by Joe Kaminski. Everything was exactly as it should be....


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