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SM-IO Plus

2-year Warranty

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Control Techniques SM-IO Plus

1 rating

2 in stock

Free Shipping

2 Year warranty

Part NumberSM-IO Plus
ManufacturerControl Techniques
TypeOption Modules
Model #SMIOPlus
Warranty2 Year
DescriptionInterface solution
Digital inputs3-digital
Analog input2
Analog output1
Applications Automation systems, building automation process/machine control

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 SM-IO Plus 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 SM-IO Plus we also repair a wide range of other Control Techniques products, 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 SM-IO Plus, 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 : 1lb

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  • Order within the next 22 hours and 10 minutes.
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Ask about exchanging your faulty SM-IO Plus 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.

Control Techniques SM-IO Plus Overview

Control Techniques SMIOPLUS

The Control Techniques SMIOPLUS is a versatile I/O Interface Solution Module designed to enhance the capabilities of control systems. With its distinctive yellow color, this module is equipped with a comprehensive set of inputs and outputs, making it an integral part of industrial automation systems. 

Control Techniques SMIOPLUS: I/O Interface Solution Module

Key Specifications:

  • Color: The striking yellow color of the SMIOPLUS makes it easily identifiable in a control system setup, simplifying installation and maintenance processes.
  • Digital Inputs: The module features 3 digital inputs, providing the ability to interface with digital signals from various sensors or devices. These inputs play a crucial role in capturing binary information and enabling the module to respond accordingly.
  • Analog Inputs: With 2 analog inputs, the SMIOPLUS can handle continuous signals, allowing for more precise control over variables such as temperature, pressure, or speed. This is essential in applications where fine-tuned adjustments are required.
  • Analog Output: The inclusion of 1 analog output further enhances the module's capabilities. This output allows the module to transmit variable signals to external devices, contributing to the flexibility and adaptability of the control system.
  • Relays (X 2): The SMIOPLUS is equipped with two relays, adding a layer of control for switching or triggering external devices based on the system's operational conditions. Relays are pivotal in automation, providing a means to control high-power components.


The Control Techniques SMIOPLUS finds applications in various industrial scenarios due to its versatile I/O capabilities:

  1. Automation Systems: As an I/O Interface Solution Module, the SMIOPLUS is well-suited for automation systems that require seamless integration of sensors, actuators, and other devices. Its digital and analog inputs, along with relay outputs, facilitate efficient communication and control within the system.
  2. Process Control: In process control applications, the module's analog inputs enable precise monitoring of parameters, while the analog output allows for accurate adjustments. This is crucial in industries where maintaining specific conditions is essential for optimal production.
  3. Machinery Control: The digital inputs of the SMIOPLUS are instrumental in capturing binary signals from limit switches, push buttons, or other devices. The relays can be utilized for controlling motors, pumps, or other machinery components, contributing to the overall control of industrial equipment.
  4. Building Automation: With its ability to handle analog signals and relay outputs, the SMIOPLUS can be employed in building automation systems. It can control lighting levels, HVAC systems, and other components to optimize energy efficiency and comfort.

Ease of Integration:

The yellow color of the SMIOPLUS not only adds a distinctive visual element but also aids in easy identification during installation and maintenance. This is especially valuable in complex control system setups, where quick recognition of modules is crucial for efficient troubleshooting and configuration.

Frequently Asked Questions 

Q1: What is the Control Techniques SM-IO-PLUS?

The SMIOPLUS is an I/O Interface Solution Module designed by Control Techniques. It is a versatile module with distinctive yellow coloring, featuring digital inputs, analog inputs, analog output, and relays for integration into industrial automation systems.

Q2: What does the yellow color signify in the SMIOPLUS?

The yellow color of the SMIOPLUS serves as a distinctive visual identifier. It aids in easy recognition during installation and maintenance processes in complex control system setups.

Q3: How many digital inputs does the SMIOPLUS have?

The SMIOPLUS is equipped with 3 digital inputs. These inputs allow the module to interface with digital signals from various sensors or devices in an industrial automation system.

Q4: How many analog inputs does the SMIOPLUS support?

The SMIOPLUS features 2 analog inputs, providing the capability to handle continuous signals. This is particularly useful for applications where precise control over variables like temperature, pressure, or speed is required.

Q5: Does the SMIOPLUS have an analog output?

Yes, the SMIOPLUS includes 1 analog output. This allows the module to transmit variable signals to external devices, enhancing the flexibility and adaptability of the control system.

Q6: How many relays does the SMIOPLUS have, and what is their purpose?

The SMIOPLUS is equipped with two relays. Relays play a crucial role in automation, providing a means to control high-power components or trigger external devices based on the operational conditions of the system.

Q7: In what industrial applications can the SMIOPLUS be used?

The SMIOPLUS finds applications in various industrial scenarios, including automation systems, process control, machinery control, and building automation. Its versatile I/O capabilities make it suitable for diverse control system setups.

Q8: How does the yellow color aid in installation and maintenance?

The yellow color of the SMIOPLUS serves as a visual identifier, making it easy to recognize the module during installation and maintenance activities. This is particularly beneficial in complex control system setups where quick identification is essential for efficient troubleshooting and configuration.

Control Techniques products are manufactured in United Kingdom and are designed for Metal production, paper processing, and material conveying usage. They come with a 2-year warranty from MRO Electric. We also carry Option Modules from other manufacturers such as Siemens and Yaskawa.

Contact Us Today For More Information About Control Techniques Products

Check out the rest of our Control Techniques 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 SM-IO Plus, take a look at more from our Option Modules 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 SM-IO Plus 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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