WIZnet IO Module Series Selection Guide
WIZnet's 10 IO modules convert SPI/Parallel to Ethernet, support IPv4/IPv6 dual-stack, low power. Ideal for industrial to consumer applications.
Preface
This article focuses on WIZnet's 10 core IO modules. Each model has its own emphasis on interface type, protocol support, speed performance, and package design, covering various scenarios such as SPI/Parallel Bus to Ethernet conversion, IPv4/IPv6 dual-stack communication, and low-power networking. They meet diverse design requirements from consumer smart devices to industrial-grade high-performance terminals, helping users quickly identify suitable solutions and reduce selection and development costs.
Core Features of Each Module
WIZ850io
Integrates W5500 chip with RJ45 port + SPI interface + compact size.
50Mbps interface speed + 32KB buffer + 8 Sockets, suitable for basic Ethernet data transmission.
Applications: Rapid networking for industrial embedded devices, Ethernet access for small-to-medium measurement and control terminals.
WIZ810Sio
Based on W5100S chip, supports 4 Sockets + compact size; integrates transformer.
Low cost + lightweight configuration (25Mbps speed, 16KB buffer, 4 Sockets), includes Socket-less function.
Applications: Low-power IoT sensor gateways, portable smart monitoring devices.
WIZ610io
Supports IPv4/IPv6 dual-stack, 8 Sockets with 32KB buffer + compact size.
Industrial wide temperature range, high-speed SPI interface ensures stable transmission.
Applications: Smart building devices requiring dual-stack communication, enterprise internal network terminals.
WIZ630io
Supports IPv4/IPv6 dual-stack, features QSPI interface + compact size, interface speed up to 91Mbps.
Includes Socket-less function, high-speed transmission.
Applications: High-performance IoT gateways, industrial precision detection equipment.
WIZ550io Ver1.3
Comes with unique MAC address to prevent conflicts, automatically configures network parameters upon power-up.
8 concurrent Sockets, industrial-grade components for enhanced reliability.
Applications: Multi-device networking in LANs, industrial automation control terminals.
W5500-io
50Mbps interface speed + 32KB buffer + 8 Sockets, suitable for basic Ethernet data transmission.
Ultra-compact package, supports WOL (Wake-on-LAN) and industrial wide temperature range.
Applications: Small embedded devices, mass-produced products requiring module compatibility and iteration.
W6100-io
Dual-stack with 8 Sockets, hardware compatible with the same series modules.
Ultra-compact size, simplifies prototyping and integration process.
Applications: Miniature terminals requiring dual-stack communication, rapidly iterated networking prototype devices.
WIZ810SMJ
Supports both SPI and Parallel Bus interfaces, integrates RJ45 port.
4 Sockets, includes Socket-less function.
Applications: Embedded systems with flexible interface requirements, industrial low-power networking devices.
WIZ610MJ
Supports IPv4/IPv6 dual-stack, 8 Sockets, supports SPI and Parallel Bus.
Integrates transformer, plug-and-play without additional circuitry.
Applications: Industrial gateways requiring dual-stack, enterprise security networking equipment.
WIZ630MJ
Supports IPv4/IPv6 dual-stack, supports QSPI and 8-bit Parallel Bus.
High-speed transmission, supports Socket-less function.
Applications: High-performance industrial measurement and control terminals, automation equipment with large data volume transmission.
Quick Selection Guide
| Decision Dimension | Criteria | Recommended Models |
|---|---|---|
| Core Network Requirement | Need IPv6 support? | WIZ610io, WIZ630io, WIZ610MJ, WIZ630MJ |
| Data Transmission Performance | Need high-speed communication? | WIZ630io, WIZ630MJ |
| Compact Size | Need compact package? | WIZ850io, WIZ810Sio, WIZ610io, WIZ630io |
| SMD Package | Need surface-mount package? | W5500-io, W6100-io |
| Auto Configuration | Need automatic network parameter configuration on power-up? | WIZ550io Ver1.3 |
Core Parameters & Feature Comparison Table
| Model | Core Configuration | Key Features | Typical Applications |
| WIZ850io | W5500 chip, 50Mbps, 8 Sockets, 32KB buffer | Integrated core components, meets basic Ethernet transmission needs | Industrial embedded devices, small-to-medium measurement and control terminals |
| WIZ810Sio | W5100S chip, 25Mbps, 4 Sockets, 16KB buffer | WOL, integrated transformer, Socket-less function, low cost & lightweight | Low-power IoT sensor gateways, portable monitoring devices |
| WIZ610io | Dual-stack, 8 Sockets, 32KB buffer, high-speed SPI | Industrial wide temperature, stable transmission, adapts to dual-stack needs | Smart building devices, enterprise internal network terminals |
| WIZ630io | Dual-stack, QSPI interface, 91Mbps, Socket-less function | High-speed transmission performance, suitable for high-performance scenarios | High-performance IoT gateways, industrial precision detection equipment |
| WIZ550io | 8 concurrent Sockets, industrial-grade components | Unique MAC address, automatic network parameter configuration on power-up | Multi-device LANs, industrial automation control terminals |
| W5500-io | 50Mbps, 8 Sockets, 32KB buffer, high-speed SPI | Ultra-compact package, WOL, industrial wide temperature, module compatibility | Small embedded devices, mass production and iteration products |
| W6100-io | Dual-stack, 8 Sockets, hardware compatible with same series | Ultra-compact size, simplifies prototyping and integration | Dual-stack miniature terminals, rapid iteration prototype devices |
| WIZ810SMJ | 4 Sockets, SPI + Parallel Bus dual interface, integrated RJ45 | Socket-less function, flexible interface, low power | Embedded systems with flexible interface needs, industrial low-power devices |
| WIZ610MJ | Dual-stack, 8 Sockets, SPI + Parallel Bus | Integrated transformer, plug-and-play, no extra circuitry needed | Dual-stack industrial gateways, enterprise security networking equipment |
| WIZ630MJ | Dual-stack, 8 Sockets, 32KB buffer, supports QSPI and 8-bit Parallel Bus | High-speed transmission performance, supports Socket-less | High-performance industrial measurement and control terminals, high data volume devices |
Common Selection Q&A
Q1: What scenarios are dual-stack modules suitable for?
A1: Suitable for environments like enterprise internal networks and smart buildings that require compatibility with both IPv4 and IPv6 network architectures, bridging old and new network adaptations.
Q2: What is the purpose of the Socket-less function?
A2: Allows execution of ARP and PING commands without establishing a Socket, simplifying network detection and communication processes, suitable for lightweight/high-speed scenarios.
Q3: What are the advantages of Parallel Bus interface over SPI?
A3: Provides stronger data throughput capability, suitable for scenarios with large data volume transmission.
Q4: What is the difference between industrial wide-temperature and standard modules?
A4: Industrial wide-temperature modules (-40°C to +85°C) can withstand complex industrial environments.
Typical Application Case References
WIZ850io: Factory embedded measurement and control terminal (SPI for quick networking, 50Mbps meets basic transmission)
WIZ810Sio: Outdoor low-power sensor gateway (lightweight configuration enables long-term monitoring)
WIZ610io: Enterprise internal network smart access control device (dual-stack adapts to upgrades, industrial wide temperature ensures stable operation)
WIZ630io: Industrial precision inspection instrument (QSPI high-speed interface, 91Mbps for accurate data transmission)
WIZ550io: Workshop multi-PLC networked control (auto-configuration simplifies deployment)
W5500-io: Miniature smart controller for mass production (ultra-compact package saves space, easy module iteration)
W6100-io: Dual-stack communication prototype device (rapid testing of networking functions, shortens R&D cycle)
WIZ810SMJ: Industrial low-power gateway (dual-interface adapts to main controller, Socket-less simplifies debugging)
WIZ610MJ: Enterprise security monitoring terminal (plug-and-play, no extra circuit, dual-stack adapts to internal network)
WIZ630MJ: High-performance industrial data acquisition terminal (supports QSPI and 8-bit Parallel Bus)