In modern industrial environments, Ethernet/IP IO modules are essential for reliable data collection, device control, and seamless integration with SCADA and PLC systems. This guide highlights five robust options across remote IO, Modbus TCP/RTU support, and high-density digital channels. Each product accommodates standard industrial networking needs, including DHCP/static IP, concise wiring, and DIN-rail mounting where applicable. Read on to compare form factors, protocols, and interoperability to help choose the right IO module for your automation setup.
| Product | Brand | Protocol Support | Main Use |
|---|---|---|---|
| NURII IO Module, Ethernet IP Ethercat | NURII | Ethernet/IP, EtherCAT | General IO control |
| 4DI+4AI+4DO Remote IO Module | EBYTE | Modbus TCP/RTU | Analog/digital I/O expansion |
| 8DI+8DO Remote IO Module | EBYTE | Modbus TCP/RTU | High-density I/O expansion |
| ICC CAT6 Ethernet Data Module 8 Ports | ICC | Ethernet (PoE++) | Network backbone and PoE for cameras/APs |
| TURCK TBEN-L5-LDGX | Turck | Ethernet/IP, Modbus TCP/Profinet | Industrial I/O with integrated switch |
NURII IO Module For Ethernet IP And EtherCAT
The NURII IO Module consolidates Ethernet/IP and EtherCAT capabilities into a compact package suitable for standard electrical systems. Its design emphasizes long service life through durable materials, a small footprint, and light weight, making installation straightforward in crowded panels. This module supports essential IO control tasks and provides a reliable bridge between control logic and field devices, suitable for OEMs and integrators seeking flexible networked IO solutions.
Key features include compatibility with common automation architectures, robust construction, and easy installation. While precise channel counts and firmware options are not listed, the device is positioned as an adaptable IO module for Ethernet-based control networks, offering reliable operation in various industrial environments.
4DI+4AI+4DO Remote IO Module
This remote IO module from EBYTE provides a balanced mix of digital inputs, outputs, and analog inputs with Modbus TCP/RTU support. It is designed for flexible integration with various PLCs, HMIs, and touch screens, enabling scalable IO expansion across a plant floor. It supports 5-way host access and custom Modbus addressing, enhancing configurability in complex networks. DHCP and static IP options simplify network deployment in mixed IP environments.
With RS485 acquisition control I/O and robust communications, this module is well-suited for systems requiring reliable data acquisition, device control, and straightforward integration into Modbus-enabled architectures. The inclusion of firmware upgrade capability helps ensure longevity as protocols and configurations evolve.
8DI+8DO Remote IO Module For Modbus TCP/RTU
This 8DI+8DO module from EBYTE doubles the I/O density with eight digital inputs and eight digital outputs, ideal for larger automation tasks. It supports both Modbus TCP and RTU, offering flexible communication with a variety of PLCs and SCADA systems. The device emphasizes reliable I/O data handling over Ethernet networks and includes features for straightforward configuration, including address management and IP settings. DHCP and static IP support aid in deployment across different network topologies.
Its robust RS485 interface and networked I/O capabilities make it a practical option for expanding control systems in manufacturing lines where multiple I/O points must be monitored and controlled in real time.
ICC CAT6 Ethernet Data Module With 8 Ports
The ICC CAT6 data module offers eight data lines with non-bridged CAT6 connectivity, designed for high-performance network infrastructure. With performance testing showing headroom at 250MHz, the module exceeds standard networking requirements and provides PoE++ up to 100W. It is a strong choice for IP cameras, access points, and other PoE-powered devices, delivering reliable power and data in a single, tidy enclosure. Quick push-pin mounting enhances ease of installation in structured wiring setups.
In environments demanding robust Ethernet performance and PoE capabilities, this module helps centralize network connectivity while maintaining scalability and reliability in IP-based automation tasks.
TURCK TBEN-L5-16DXP Block IO Module
The TURCK TBEN-L5-16DXP combines Ethernet/IP/MODBUS TCP/PROFINET with 16 universal digital channels and an integrated switch. This block IO module is designed for industrial environments requiring robust networking and scalable I/O provisioning. The 5-pin 7/8″ supply voltage port and eight M12 I/O ports support heavy-duty automation tasks, enabling streamlined data exchange between controllers and field devices. The integrated switch simplifies network topology, reducing cabling complexity in complex systems.
Ideal for GM projects and multi-protocol applications, this module offers flexibility, reliability, and a compact footprint, making it suitable for OEM installations and retrofits where Ethernet/IP and Modbus TCP compatibility are critical.
IO-Link Master AL1326 With EtherNet/IP Interface
The ZTTQSYJZ IO-Link Master AL1326 brings IO-Link capabilities with a native EtherNet/IP interface, enabling seamless communication between IO-Link devices and Ethernet-based control systems. It supports digital and analog I/O, making it suitable for diverse PLC and automation setups. A wide voltage input and stable industrial signal transmission support reliable operation, while DIN-rail mounting provides a convenient installation path for control cabinets. Quick setup and maintenance reduce downtime in production lines.
For facilities leveraging IO-Link devices alongside Ethernet/IP networks, this master module simplifies device management, diagnostic visibility, and fast commissioning in mixed automation environments.
TURCK TBEN-LG-16DXP Block IO Module
The TURCK TBEN-LG-16DXP presents 16 universal digital channels, 10/100 Mbps Ethernet/IP/MODBUS TCP/PROFINET capability, and an integrated switch. Although positioned for GM projects, its multi-protocol support makes it versatile for many industrial automations. The modular design and high channel count support efficient distribution of I/O across larger systems, enabling centralized monitoring and control across multiple devices. The integrated network switch helps simplify topology and reduce cable runs in dense installations.
Buying Guide: Key Purchase Considerations
Protocol Compatibility
Choose IO modules that align with your existing control systems. If you operate with Ethernet/IP ecosystems, prioritize modules with Ethernet/IP compatibility or robust Modbus TCP/RTU bridges. For mixed environments, modules offering multiple protocols or easy firmware upgrades provide flexibility and future-proofing.
IO Density And Channel Type
Assess the number of digital and analog inputs/outputs needed. High-density modules (like 16-channel digital modules) reduce cabinet space but ensure the device supports the required I/O types and voltage levels. Verify supported I/O types (digital, analog, counter, PWM) to match your sensors and actuators.
Networking Features
Look for DHCP and static IP options, built-in switches, PoE support, and ease of network configuration. A resilient module should include robust diagnostics, watchdogs, and clear device addressing to minimize downtime during commissioning or fault isolation.
Mechanical And Power Considerations
DIN-rail mounting, enclosure fit, and supply voltage compatibility impact installation time and reliability. Ensure the module’s power requirements align with your control cabinet’s power distribution. Consider ruggedness, ingress protection, and temperature ranges suitable for your environment.
Maintenance And Longevity
Firmware upgradeability, documentation quality, and vendor support influence long-term viability. Modules with clear upgrade paths and good diagnostic tooling reduce maintenance burden and downtime during system upgrades.
Interoperability And Scalability
Plan for future expansion. Selecting IO modules that seamlessly interoperate with your existing PLCs, HMIs, and SCADA can prevent costly rewiring. Favor devices with scalable I/O expansion and widely supported communication standards to future-proof automation investments.