SD IO Module for Sale
- The SD series is fully integrated with Remote IO, ensuring reliable remote signal processing for seamless industrial automation.
- IP67 protection ensures reliability against water, dust, and shock in extreme conditions
- Compatibility with the IO-Link protocol simplifies device integration, streamlines maintenance, and enables advanced diagnostics
- Support for PROFINET, EtherCAT, and EtherNet/IP protocols ensures seamless integration into various IP67 IO systems
- Quick-wiring M12 connectors for fast installation and reduced engineering costs
- Flexible input/output options, including 16-channel and 8-channel digital modules, for versatile automation needs
IP67 Rated Protection
Decowell’s SD IO modules are IP67 rated and designed for harsh industrial environments, enabling stable operation under extreme conditions. Its excellent waterproof, freezing, dustproof, high-temperature resistance and anti-vibration characteristics make it suitable for all kinds of complex working conditions, whether it is outdoor applications, high dust workshop, or alternating high and low temperatures or severe vibration of the equipment, the SD IO module can provide stable and reliable operation to help you reduce maintenance costs and improve production efficiency.

What is IO-Link?
IO-Link is a powerful communication protocol based on the IEC 61131-9 standard, which is especially suitable for sensors, actuators and other industrial equipment. It provides flexible control capability and real-time data exchange through bi-directional point-to-point communication, making communication between industrial devices more intelligent and efficient. Transmitting multiple data through a single interface, IO-Link simplifies industrial system wiring and device management. The device parameter configuration and diagnostic information functions enhance the system’s maintenance and fault warning capabilities, improving equipment reliability and productivity.
SD Module Series Classification
Decowell offers a comprehensive portfolio of SD IO modules, including IO-Link modules, master modules, and slave modules, to fulfill industrial automation needs from data acquisition to intelligent control. All modules are IP67 rated for use in harsh environments, enabling customers to build efficient, stable and intelligent equipment communication systems.
Supports standard IO-Link communication protocol, realizing efficient data interaction and intelligent interconnection between device layer and control layer.
As the core of the system, it connects the control system with multiple IO-Link slaves to unify the management of field device communication and parameter configuration.
It is used for connecting all kinds of sensors and actuators, transmitting on-site signals to the master station, supporting real-time monitoring and remote maintenance.
SD IO Module Feature
Decowell SD IO modules are designed for harsh industrial environments. Whether it is the diversity of modules, compatibility of communication protocols, wide temperature adaptability, fast wiring design, or high reliability and intelligent diagnostic functions, the SD series IO modules can help you improve system stability and operational efficiency.

Due to the IP67 protection grade, the module can operate in a strict dustproof and waterproof environment and can withstand strong vibrations and shocks.

Modules can be distributed in various locations of equipment and machines, making monitoring and control more flexible and accurate.

Compared to traditional remote IO, the SD series IP67 module is compact in design, which saves space, and is easy to integrate and install.

PROFINET, EtherCAT, EtherNet/IP, etc., with high speed and stability, and can satisfy the requirement of real-time data transmission and remote monitoring.

The SD series IP67 module has built-in fieldbus diagnosis and status monitoring functions, which can monitor the network in real time and remove obstacles, and improve the operation reliability.

The master station supports IO-Link protocol, which can connect intelligent sensors and actuators to provide status monitoring, parameter setting and diagnostic functions of the equipment.

Stable operation in extreme environments from -25°C to +70°C ensures that the equipment continues to operate stably and meets the demands of demanding applications.

Widely used in automation and many other industries, providing efficient and reliable automation control solutions for intelligent manufacturing.
Decowell IO Module Customization Services
Decowell’s customized IO module service covers hardware, software, communication protocols, appearance design and other aspects, which are flexibly customized to meet diversified needs. Whether you are an equipment integrator, automation engineering company, or OEM equipment manufacturer, you can get the most suitable customized solution according to your own needs, ensuring system compatibility, stability and ease of use.

Decowell can customize different combinations of input/output channels according to customers’ needs, such as more digital inputs, digital outputs, analog inputs, analog outputs, etc.. Both high density IO modules and specific channel combinations can meet the needs of different automation equipment.

Supports customers to customize communication protocols that match their automation systems, such as PROFINET, EtherCAT, EtherNet/IP, Modbus-TCP, etc., and provides protocol adaptation services to ensure that IO modules are seamlessly integrated into existing systems.

If you have IO-Link device access requirements, Decowell can customize IO-Link-enabled master or slave modules to provide IO modules with smarter device management, remote diagnostics, and automatic parameter configuration.

For different industrial application scenarios, Decowell can customize IO modules with different levels of protection, temperature resistance and shock resistance to ensure that the modules can still operate stably in extreme environments.

Support customers to customize different wiring methods, such as screw terminals, M12 waterproof interface, quick terminals, etc., in order to adapt to different industrial equipment wiring needs.

Decowell provides OEM/ODM customization service, which can customize the appearance color, brand Logo, label information according to customer’s needs, and support customer’s exclusive device logo at the software level to improve brand recognition.
Full Range of Module Types and Sizes
Decowell’s SD IO modules offer a wide range of module types, including master coupler, 16-channel digital input, 16-channel digital output, 8-channel digital input, and 8-channel digital output modules to meet the needs of different industrial automation applications. The Master Coupler connects to field devices through a variety of fieldbus protocols and supports digital input and output modules for flexible data exchange and device control. Whether it is a complex system requiring a large number of input and output channels, or a simple control requiring a small number of channels, SD IO modules can provide an efficient and reliable solution, greatly enhancing the performance and flexibility of the system.


Supports Multiple Protocols
The remote IO modules of the SD series support a wide range of industrial fieldbus protocols, including PROFINET, EtherCAT, and EtherNet/IP, providing a high degree of flexibility and compatibility. These protocols are widely used in industrial automation to ensure efficient, real-time communication between devices and control systems. Whether you need PROFINET for high real-time performance, EtherCAT for high speed and low latency, or EtherNet/IP for large-scale device connectivity, SD IO modules provide reliable connectivity and control solutions for different applications.
More Resources on IO Systems
In addition to SD IO modules, Decowell also provides a variety of remote IO solutions, covering different protocols, interfaces and protection levels, to meet the needs of all types of industrial automation applications, and to help upgrade the intelligence of equipment.
To help you visualize Decowell IO modules, we provide detailed 3D models. You can view the appearance, interface layout, and mounting method in 360° to easily evaluate its suitability and accelerate selection and integration.
Watch the video to get a deeper understanding of the performance and application of IO modules! Visual display of product features, installation methods and practical application scenarios, helping you quickly grasp the key information, easy to complete the selection and integration.
Versatile Installation and Quick Wiring Design

Decowell SD IO modules are designed to be flexible in terms of mounting methods and quick wiring, ensuring easy and efficient field deployment. It supports front and side mounting, and can be screw-fixed according to different equipment layouts to meet a variety of installation needs.
Meanwhile, the SD IO module adopts the standard M12 interface with quick wiring function, and a single port can be connected to two signaling points at the same time, which reduces wiring complexity and improves wiring efficiency. Its fully sealed design not only provides excellent waterproof and dustproof performance, but also supports out-of-cabinet installation without additional protection of the box, significantly reducing the project assembly costs, and improving the flexibility and stability of the system.
SD IO Modules for Smart Manufacturing
With its IP67 protection level, multi-protocol compatibility, flexible installation and fast wiring design, Decowell SD IO modules have become the ideal choice for intelligent control systems in many fields such as logistics automation, food filling, automobile manufacturing and lithium industry, helping enterprises to improve automation level and realize more efficient and smarter production management.

SD IO modules are used in modern logistics systems and three-dimensional warehouses for automated conveyor systems, sorters, elevators and robotic gripping systems to realize precise signal acquisition and control. Its dust and waterproof features ensure stable operation in dusty, humid or low-temperature environments, while the quick-wire design simplifies installation and improves maintenance efficiency, helping the logistics industry to improve automation levels.

The food and beverage industry requires a high level of hygiene and protection of equipment. The IP67 waterproof and dustproof rating of the SD IO module enables it to withstand high-pressure washdowns, humid environments, and corrosion by detergents, ensuring long-term stable system operation. The modules can be used in automatic filling machines, capping machines, packaging lines and other key equipment to ensure precise control of the production process, improve production efficiency and reduce the risk of contamination.

In automotive parts production lines, SD IO modules can be used in welding, assembly, painting and quality inspection, etc. They support industrial protocols such as PROFINET, EtherCAT, EtherNet/IP, etc., and are seamlessly integrated with intelligent manufacturing systems. Its vibration-resistant and high-temperature-resistant features ensure stable signal transmission even under high-intensity mechanical movement, providing a reliable guarantee for efficient production in smart factories.

Lithium battery production environment is complex, involving coating, laminating, liquid injection, chemical composition and other precision manufacturing processes, the stability of the automation control system requires a high degree of stability. SD IO module by virtue of high temperature, dustproof sealing design and high-speed data transmission capabilities, to ensure that all aspects of the precise operation of the equipment, to improve the consistency of production and product yields, to help the lithium industry to realize the intelligent manufacturing.
Efficient Diagnostics and Flexible Topology
Decowell SD IO modules combine highly efficient diagnostic functions with flexible product topology design to ensure stable operation in complex industrial environments, greatly enhancing system reliability and maintainability.

SD IO modules are equipped with efficient diagnostic functions to help users quickly locate and solve problems. Abnormal communication output status setting can provide real-time feedback on communication problems to ensure stable system operation; slave module disconnection indication can show the device connection status in time to avoid fault extension; and one-key reset/firmware upgrade quick operation simplifies the maintenance process and makes the system restoration to normal state more convenient and efficient. These features enhance the reliability of the equipment and significantly reduce the time and cost of troubleshooting and maintenance.
SD IO module adopts a flexible product topology design, combining master and slave modules, supporting connection to the upper control system via industrial bus protocols such as PROFINET, EtherCAT, and EtherNet/IP. The master can manage multiple slave modules at the same time, forming an efficient distributed IO system. Through the IO-Link protocol, bi-directional communication can be realized between the master and the devices, simplifying installation and maintenance, while providing remote diagnosis and device parameter setting. This topology ensures a high degree of system flexibility and scalability to meet the needs of industrial control systems of different sizes.
More About SD IO Module
The SD series IO modules not only offer excellent performance and high levels of protection, but are also designed to meet the needs of different application scenarios in terms of size and technical parameters. Whether it’s a compact design for space-constrained equipment integration or a standardized size for quick installation and replacement, SD IO modules ensure compatibility, reliability and efficiency.
- Production Environment
- Data Sheet
- Size
- Interface Port Description
| Model | Specification description |
|---|---|
| SDPN-8IOL-M12-00 | PROFINET 8-channel IO-LINK main station coupler (M12 connector) |
| SDEC-8IOL-M12-00 | EtherCAT 8-channel IO Link master station coupler (M12 connector) |
| SDEI-8IOL-M12-00 | EtherNet/IP8 channel IO Link master station coupler (M12 connector) |
| SDIOL-0HN0-M12 | IO Link slave station, 16 channel digital output (NPN), M12 connector |
| SDIOL-0HN1-M12 | IO-Link slave station, 16 channel digital output (PNP), M12 connector |
| SDIOL-H00N-M12 | IO-Linkslave station, 16 channel digital input (NPN), M12 connector |
| SDIOL-H01N-M12 | IO-Link slave station, 16 channel digital input (PNP), M12 connector |
| SDIOL-8800-M12 | IO-Linkslave station, 8-channel digital input (NPN), 8-channel digital output (NPN), M12 connector |
| SDIOL-8811-M12 | IO-Linkslave station, 8-channel digital input (PNP), 8-channel digital output (NPN), M12 connector |
| SDIOL-08N0-M12 | IO-Link slave station, 8-channel digital output (NPN), M12 connector |
| SDIOL-08N1-M12 | IO-Link slave station, 8-channel digital output (PNP), M12 connector |
| SDIOL-800N-M12 | IO-Linkslave station, 8-channel digital input (NPN), M12 connector |
| SDIOL-801N-M12 | IO-Link slave station, 8-channel digital input (PNP), M12 connector |


Customer Feedback
The SD IO module is IP67 rated and can operate stably in harsh environments such as high humidity and dust. It is widely used in automated production lines, packaging equipment, robotic systems, CNC machine tools and other industries.
Yes! SD IO modules are compatible with a wide range of PLC brands (e.g. Siemens, Beckhoff, Rockwell Automation, etc.) and can be easily integrated into your existing control system.
SD series provides different specifications of IO modules, supporting digital inputs, digital outputs, hybrid IOs and IO-LINK slaves, and the number of IO points can be selected according to the requirements to meet different application scenarios.
Related Product
RB IO Modules are optimized for cabinet-mounted systems with separate power modules and signal isolation for stable performance.
EX IO Modules offer rich signal types and hot-swappable expansion, perfect for flexible modular installations.
LS IO Modules support EtherCAT protocol with ultra-slim design, ideal for long-distance distributed control.
RS IO Modules combine integrated communication and I/O in one unit, simplifying cabinet wiring and reducing installation time.
SD IO Modules deliver IP67 protection and direct field installation, ideal for harsh environments and decentralized I/O.
FS IO Modules feature compact housing with push-in wiring, supporting high-density PROFINET and EtherNet/IP connections.
More Q&A about SD Series IO Modules
To help you gain a more comprehensive understanding of the features and benefits of SD IO modules, we’ve compiled a list of Frequently Asked Questions. Whether it’s about protection performance, communication protocol compatibility, installation and maintenance, or IO-Link intelligent diagnostics, there are detailed answers here to help you quickly find the information you need to make your device integration more efficient and reliable. If you have any questions, feel free to contact us and we’ll answer them right away!
Yes! Through the IO-LINK protocol, users can remotely monitor the status of the equipment, real-time diagnosis, fault warning, parameter adjustment and other functions, significantly reducing maintenance time and labor costs.
Yes! If you have needs for special interfaces, protocol customization, IO points adjustment, etc., our R&D team can provide customized solutions to help you better match your application needs.
Yes! Our IO modules are compliant with international standards such as CE, RoHS, and UL, ensuring that our products are legally compliant for use worldwide.
SD IO modules are made of industrial-grade, high-quality components with a lifespan of 5-10 years under normal use, depending on the operating environment and load conditions.
Yes! We can provide test samples, you are welcome to contact our sales team for more information.
































