Wago 750-889 Controller Knx/Ip, G3 Sd Mr

Why Choose the WAGO 750-889 KNX IP Controller?

The WAGO 750-889 is a powerful KNX IP programmable controller designed for building automation and distributed control systems using the modular WAGO I/O System 750. This DIN-rail controller combines PLC functionality with KNX IP communication, enabling automation engineers to integrate building control systems with industrial Ethernet networks. :contentReference

Designed for intelligent building and facility automation, the controller connects KNX building networks with Ethernet infrastructure, allowing lighting, HVAC, energy management and security systems to be integrated within a centralised automation platform. With support for IEC 61131-3 programming and KNX communication objects, the controller enables flexible logic programming and system integration. :contentReference

The controller supports the full range of digital, analogue and specialty modules from the WAGO 750/753 Series, allowing scalable expansion for complex automation tasks. Combined with its integrated Ethernet switch and web server, the controller provides a flexible platform for modern building automation systems. :contentReference

Key Advantages

• Integrated KNX IP controller for building automation and control systems.
• Connects KNX building networks with Ethernet infrastructure.
• Supports IEC 61131-3 PLC programming for flexible automation logic.
• Compatible with the modular WAGO I/O System 750 and 753 Series.
• Integrated Ethernet switch simplifies network topology.
• Scalable architecture supporting extensive I/O expansion.

Key Features

• KNX IP programmable controller.
• 32-bit CPU with multitasking capability.
• 2 × RJ-45 Ethernet ports with integrated switch.
• Supports KNXnet/IP and Modbus TCP communication.
• Integrated web server for configuration and diagnostics.
• SD / SDHC memory card slot for program and data storage.
• Supports IEC 61131-3 languages including LD, FBD, ST and SFC.
• DIN-rail mounting for building and industrial control cabinets.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-889
• Product type: KNX IP programmable controller
• Processor: 32-bit CPU
• Program memory: 1024 kB
• Data memory: 1024 kB
• Retain memory: 32 kB
• Communication protocols: KNXnet/IP, Modbus TCP, Modbus UDP
• Ethernet protocols: HTTP, BootP, DHCP, DNS, SNTP, FTP, SNMP, SMTP
• Ethernet interfaces: 2 × RJ-45 (10/100 Mbit/s)
• Supply voltage: 24 V DC (−25% to +30%)
• Maximum I/O modules: up to 250 modules (64 without bus extension)
• Operating temperature: 0 °C to +55 °C
• Mounting: DIN rail
• Protection rating: IP20

KNX Building Automation Integration

KNX is one of the most widely used communication standards for intelligent building automation. The WAGO 750-889 controller acts as a programmable logic controller within KNX IP networks, enabling automation engineers to control lighting systems, HVAC equipment and building management systems through Ethernet infrastructure. :contentReference

Through the modular WAGO I/O System 750, engineers can integrate digital inputs, analogue sensors and specialised automation modules to build scalable building automation systems for offices, commercial facilities and industrial infrastructure.

Typical Applications

• Building automation and KNX control systems.
• Lighting control and energy management systems.
• HVAC and climate control automation.
• Integration of building devices with Ethernet networks.
• Smart infrastructure and facility management systems.

Trusted by Automation Engineers

WAGO KNX IP controllers are widely used by building automation engineers to integrate KNX devices, sensors and building systems with modern Ethernet-based control platforms.