Versatile Industrial Automation Solution
Rigorously tested for EMC resistance and extreme temperatures, EX IO Modules guarantee stable operation in harsh industrial environments.
- Quality Assurance: All IO modules have passed CE, UL, RoHS, ISO9001, and other international certifications to ensure safety and stability.
- Global Trust: 10,000+ partners in many countries and regions around the world.
- Protocol Compatibility: Support PROFINET, EtherCAT, Modbus-TCP, EtherNet/IP, and other mainstream industrial protocols, suitable for all kinds of PLC systems.
- Rich Module Types: Includes digital input/output, analog input/output, temperature acquisition, encoder, and communication modules.
- Multi-series Selection: Covering six series, EX, RB, RS, FS, LS, SD, to meet different application requirements.
EX IO Module Device Application Topology
With its flexible and expandable architecture, the EX IO module is widely used in industrial automation control systems to achieve efficient interconnection of PLC, controller, sensor, actuator, and other devices. It supports PROFINET, EtherCAT, Modbus-TCP, DeviceNet, and other mainstream industrial bus protocols, ensuring real-time data transmission and accurate signal processing, and helping intelligent manufacturing. The modular design consists of an adapter module, input-output module, power supply module, and terminal module, which can be freely configured according to the on-site requirements to enhance system compatibility and stability.

How EX IO Modules Enhance PLC Performance?
EX IO Modules significantly enhance PLC performance by providing seamless integration with major industrial communication protocols like PROFINET, EtherCAT, Modbus-TCP, and EtherNet/IP. Their compact design and high integration optimize control cabinet space while ensuring stable connections with a robust locking mechanism that improves reliability. With support for various signal types, including digital I/O, analog I/O, temperature control, and high-speed counters, these modules enable precise data acquisition and faster response times. Rigorously tested for EMC resistance and extreme temperatures, EX IO Modules ensure stable operation in demanding industrial environments, making them the perfect choice for enhancing PLC-based automation systems.
EX IO Module By Signal Type
EX IO modules can be divided into digital signals (DI/DO), analog signals (AI/AO), temperature control modules, temperature acquisition modules, high-speed counting modules, and many other types, to flexibly respond to the control needs of different equipment and systems.
EX IO Module Adapter supports up to 10 mainstream industrial communication protocols.
Digital Input Module haa 8, 16, 32 digital input channels selectable, support PNP and NPN type.
Digital Output Module Maximum 0.5A per channel/ Maximum 2A per 8 consecutive channel load current
Analog Input Module there are 4 and 8-channel analog input modules, respectively voltage type and current type.
The Analog Output IO Module has current consumption of 24mA, 21mA, and 82mA in both voltage and current types.
Temperature modules are available in 2-wire or 3-wire wiring and support 4 or 8 channels.
Single-channel NPN, PNP, differential encoder mode and dual-channel NPN modules available.
RS232 free port communication module and Modbus-RTU master communication module are available.
EX System-side power supply voltage 24VDC (18~36V), output system voltage 5V+5%
EX IO Module By Protocols
DECOWELL EX IO Module Adapter supports a wide range of mainstream industrial communication protocols, ensuring compatibility and efficient communication with a wide range of automation devices and systems, and adapting to different application requirements.
Ethernet-based protocol that provides high bandwidth and low latency data transmission for high-performance control systems.
High-speed, reliable industrial network protocol for real-time control and rapid data exchange between devices.
CAN bus-based protocol for easy connection and real-time data transfer between devices.
An open communication protocol based on the CAN bus, widely used in embedded systems and real-time control environments.
High-performance real-time Ethernet protocol, especially suitable for high-speed, synchronous motion control and automation applications.
Industrial Ethernet protocol that seamlessly integrates with existing IT networks to support wide-scale data exchange and remote monitoring.
The Ethernet version of the Modbus protocol, suitable for remote device connection and data exchange.
Highly efficient fieldbus protocol that supports interconnection and real-time control of devices in large-scale industrial systems.
Classic serial communication protocol, widely used in data acquisition and remote control of industrial equipment.
Ethernet-based industrial communication protocol providing high-speed data transfer and real-time control for large-scale automation systems.
Decowell Automation Feature box
From product design to delivery, we always adhere to strict quality control to ensure that each module can operate stably. Our team is not only technically sound, but also knows how to listen to our customers’ needs and provide timely and effective support, so that you can be worry-free in the process of utilization.

Provide comprehensive 91 Yang tests in 9 categories to ensure stable and reliable product performance.

Has more than 5000 IO database data, helping to solve various technical problems efficiently.

More than 10+ experienced engineer team, more than 10 years of industry precipitation.

Provide professional solutions within 48 hours to efficiently meet customer needs.

Provide personalized customization services to meet the needs of different application scenarios.

Provide one-stop complete service system from pre-sales consultation to after-sales support.

Provide OEM OEM services to help customers build their own brands.

Ensure stable supply of IO modules throughout the life cycle without affecting customers’ business.
EX Input Output Module Feature
DECOWELL EX IO module series simplifies field management and maintenance with intuitive color coding and LED indicators. Modules are highly combinable to meet a wide range of application requirements and support up to 32 module extensions to ensure system stability and flexibility.

Decowell EX io quickly identifies faulty io modules with rich color coding and diagnostic LEDs to reduce troubleshooting time

This io provides various types of I/O modules, which can be flexibly combined to meet the needs of various industrial scenarios.

The EX input output module provides electrical isolation to ensure stable communication. Supports expansion of up to 32 modules to meet the needs of complex industrial systems.

It supports Profinet, EtherCAT, EtherNet/IP, CC-Link, Modbus-TCP and other mainstream bus protocols, ensuring seamless integration with different automation control systems.

The compact design of the EX series takes up little space, and the push-in wiring technology simplifies installation. Each module supports up to 32 digital I/Os to meet the needs of large-scale control.

EX IO adopts push-in wiring technology to make installation easier, reduce wiring errors and improve operational efficiency.
Excellent Scalability to Meet Automation
The EX IO Module offers excellent expandability with up to 32 expansion modules for flexible adaptation to various industrial automation applications. It supports digital, analog, temperature control, temperature acquisition, encoder, high-speed counting and communication functions to ensure efficient data acquisition and precise control.

PUSHIN Terminal Express Wiring
PUSHIN terminal block technology significantly reduces the complexity and wiring time of conventional star wiring. The simple plug-in wiring allows for quick, tool-less connections and greatly improves wiring efficiency. This design provides users with a more efficient solution, especially for industrial automation, equipment maintenance and production line construction scenarios.
EX IO Module is Easy to Install
Installing the EX IO Module is as easy as following these steps: First, loosen the module rail clips, then hook the module onto the mounting rail and make sure it is securely fastened to the rail. Next, pan the module to the left to make sure it’s in the right position, and then tighten the rail clips to complete the installation. The whole process is quick and easy, which not only saves installation time, but also ensures the stability and reliability of the equipment.

Resource
The EX Selection Manual provides you with comprehensive product information to help you quickly select the right module for your needs.

3D Models provides you with convenient and accurate references to help you make more informed decisions.
EX Configuration Video shows the steps of module configuration through intuitive teaching methods.
Company Advantage

Our company is an industry leader in automated production, and all IO Modules are manufactured in a high-standard, sterile, high-tech facility to ensure the precision and quality of each product. Our production plant is equipped with advanced equipment and a strict aseptic control system, which greatly reduces the risk of human error and contamination. Automated production processes not only increase production efficiency but also ensure the reliability and consistency of each IO Module.
EX IO Module in Application
Efficient, stable, and flexible I/O modules are the core of an intelligent control system, and EX IO modules have been widely used in the textile industry, machine tool industry, intelligent manufacturing, logistics industry, and other fields due to their wide protocol support, rich signal types, compact and highly integrated design, and excellent environmental adaptability.

Intelligent manufacturing requires a flexible and efficient I/O system to realize digital and intelligent production. EX IO modules support remote I/O, edge computing, and Industrial Internet of Things (IIoT), and can be applied in scenarios such as robotics, automated assembly lines, and intelligent warehousing. Through real-time data collection and analysis, it improves production efficiency and optimizes process flow.

The textile industry requires precise control of sensor signals, temperature and humidity, tension, and motor drives to ensure production stability. EX IO modules support high-speed data acquisition and real-time control through PROFINET, EtherCAT, and other protocols to realize intelligent control of weaving machines and dyeing and finishing equipment, improve production efficiency, and reduce errors.

The logistics industry relies on automated sorting, intelligent warehousing, and conveyor systems to improve operational efficiency. EX IO modules can be applied to sorting systems, AGVs, and three-dimensional warehouses, supporting high-speed data acquisition, digital/analog signal control, and precise operation of equipment. Compatible with PROFINET, EtherCAT, Modbus-TCP, and other protocols, helps logistics system intelligent upgrade.

The machine tool industry has very high requirements for precision control, signal acquisition and real-time feedback. EX IO modules are equipped with high-speed counting, pulse signal processing, Analog input and output functions, which can accurately control key parameters such as spindle speed, tool position, coolant flow and etc. The modules support EtherCAT, PROFINET and other high-speed communication protocols to optimize the precision of control of CNC machines and machining centres. It supports high-speed communication protocols such as EtherCAT and PROFINET to optimize the control accuracy of CNC machine tools and machining centres.
Helping to Upgrade Global Industrial Automation
We provide high performance, high compatibility and high stability EX IO modules to help customers achieve smarter and more efficient automation control.
We offer OEM/ODM customization services to ensure that EX IO modules are precisely matched to your application. Whether it’s a specific protocol compatibility or signal transmission type, we can tailor-make the most suitable solution to meet your needs. With our strong R&D team and rich industry experience, we help our customers achieve more efficient and flexible automation control.

Over the years, we’ve earned the trust of 10,000+ partners around the world for our superior product quality, consistent performance, and broad protocol compatibility. We always insist on customer-centered, highly reliable I/O solutions, and work hand in hand with global integrators and agents to promote the development of industrial automation.
More About Our Company
The following information can help you to better understand our ex io module.
- About Our Company
- Data Sheet
- Selection Manual
- Certifications
EX IO Model Quick Reference TableI


Testimonials
EX IO modules are widely used in industrial automation, machine control, data acquisition, equipment monitoring and other scenarios. It is especially suitable for automation systems that require efficient and stable signal processing, and can support real-time data exchange between PLC, servo drive, sensors, actuators and other devices.
Yes, EX IO module supports a variety of PLC systems, including but not limited to Siemens, Omron, Mitsubishi and other mainstream brands. We provide solutions adapted to different brands of PLC to ensure system compatibility.
Yes, we support OEM customization services. Based on the special needs of customers, we can provide customized IO modules to meet the compatibility and functional requirements of different industries and equipment. Please contact our sales team for details.
EX IO modules are designed to operate stably in ambient temperatures ranging from -20°C to +60°C. The maximum operating temperature of the EX IO modules is -20°C to +60°C. To ensure optimal performance, avoid installing the module in high humidity or extreme temperature environments.
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How to Drive Industrial Internet of Things (IIoT) Smart Manufacturing with EX IO Modules
In modern smart manufacturing, the Industrial Internet of Things (IIoT) is a key technology to improve production efficiency and equipment management. EX IO modules help factories realize smart manufacturing by seamlessly connecting various devices and providing real-time data through its high-speed data transmission and powerful compatibility. With EX IO modules, factories can achieve remote monitoring and control of equipment, automation control, and intelligent optimization of production lines, reducing labor costs and improving production efficiency.
How EX IO Modules Support Edge Computing in Industrial Automation
Edge computing is the key to improving real-time data processing capabilities in industrial automation, and EX IO modules can quickly process data locally and transmit it in real time, reducing latency and improving responsiveness. By combining EX IO modules with edge computing, companies can make faster decisions, optimize production processes, reduce equipment failures, and lower operating costs.
The number of inputs and outputs of EX IO modules varies according to models, usually each module supports 8, 16, 32 inputs and outputs. If you have more input/output requirements, please feel free to contact us, we can provide higher specification modules according to your needs.
The power requirement for EX IO modules is 24V DC, which can be supplied from a standard industrial power supply. Ensure that the power supply is stable to ensure long-term reliable operation of the device.
We provide detailed installation manuals and technical support services to ensure that customers can easily complete the installation and commissioning of the module. Our technical team can also provide remote or on-site support to help customers solve any problems.
Our EX IO modules come with a 12-month warranty. During the warranty period, if any quality problem occurs, we will provide free repair or replacement service.
Our EX IO modules comply with CE, ROHS and other international certifications to ensure that our products meet the safety and environmental standards of the global market.























































