Wago 750-890 Controler MODBUS/TCP/IP SD cardG4

Why Choose the WAGO 750-890 Modbus TCP Controller?

The WAGO 750-890 is a high-performance 4th-generation Modbus TCP programmable controller designed for distributed industrial automation using the modular WAGO I/O System 750. This DIN-rail PLC integrates PLC processing, Ethernet networking and scalable modular I/O connectivity, providing a powerful control platform for manufacturing systems, machine automation and process control applications. :contentReference

The controller features two Ethernet interfaces with an integrated switch, enabling line topology network wiring without requiring external switches or hubs. Both interfaces support Auto-Negotiation and Auto-MDI(X), simplifying installation while ensuring reliable industrial Ethernet connectivity. :contentReference

The device supports the full range of digital, analogue and speciality modules from the WAGO 750 and 753 Series, allowing automation engineers to expand the controller with distributed I/O modules to suit complex automation tasks. With support for IEC 61131-3 programming and integrated web-based management, the controller provides a flexible platform for modern industrial control systems. :contentReference

Key Advantages

• Powerful 4th-generation Modbus TCP PLC controller for industrial automation.
• Dual Ethernet interfaces with integrated switch for line topology networking.
• Supports the modular WAGO I/O System 750 and 753 Series.
• Integrated web server for configuration and diagnostics.
• Supports extensive Ethernet protocols for easy IT integration.
• Expandable architecture for scalable automation systems.

Key Features

• Modbus TCP programmable controller.
• 32-bit CPU with multitasking PLC operation.
• 2 × RJ-45 Ethernet interfaces (10/100 Mbit/s).
• Integrated Ethernet switch for line topology wiring.
• Supports Modbus TCP and Modbus UDP communication.
• Removable SD memory card slot for program storage and data transfer.
• Integrated web server for diagnostics and configuration.
• DIN-rail mounting for industrial control cabinets.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-890
• Product type: Modbus TCP programmable controller
• Controller generation: 4th generation
• Processor: 32-bit CPU
• Data memory: approx. 8 MB
• Programming standard: IEC 61131-3
• Programming software: WAGO-I/O-PRO (CODESYS based)
• Communication protocols: Modbus TCP, Modbus UDP
• Ethernet protocols: HTTP(S), BootP, DHCP, DNS, SNTP, SNMP, FTP(S)
• Ethernet interfaces: 2 × RJ-45 (10/100 Mbit/s)
• Memory expansion: SD memory card slot
• Supply voltage: 24 V DC
• Maximum I/O modules: up to 250 modules (64 without bus extension)
• Operating temperature: approx. 0 °C to +55 °C
• Mounting: DIN rail (35 mm)
• Protection rating: IP20

Industrial Modbus Ethernet Connectivity

Modbus TCP is widely used in industrial automation networks to connect PLC controllers, sensors, actuators and supervisory systems. The WAGO 750-890 controller combines Ethernet networking with PLC processing, enabling distributed control architectures where field devices communicate directly with higher-level control systems or SCADA platforms. :contentReference

Using the modular WAGO I/O System 750, engineers can integrate digital inputs, analogue signals and specialised communication modules to create scalable automation solutions for machine control, energy management and process automation environments. :contentReference

Typical Applications

• Industrial machine automation systems.
• Distributed PLC and remote I/O architectures.
• Modbus TCP industrial communication networks.
• Manufacturing process monitoring and control.
• SCADA-connected automation systems.

Trusted by Automation Engineers

WAGO Modbus TCP controllers are widely used in industrial automation systems to deliver reliable distributed control, Ethernet networking and scalable modular I/O integration.