Wago 750-862 Controller Modbus TCP

Why Choose the WAGO 750-862 Modbus TCP Controller?

The WAGO 750-862 is a powerful Modbus TCP programmable controller designed for distributed automation systems using the modular WAGO I/O System 750. This 4th-generation controller integrates PLC functionality with industrial Ethernet communication, enabling reliable data exchange between field devices, control systems and supervisory automation platforms. :contentReference

Equipped with two Ethernet interfaces and an integrated switch, the controller supports line-topology networking without requiring additional switches or hubs. The controller automatically detects connected I/O modules and creates a local process image, allowing mixed configurations of digital and analogue modules to be managed efficiently within automation applications. :contentReference

The device supports IEC 61131-3 PLC programming using environments such as WAGO-I/O-PRO (CODESYS based). Combined with the scalable architecture of the WAGO I/O System 750, the controller provides a flexible platform for machine automation, process control and distributed I/O networks. :contentReference

Key Advantages

• Industrial Modbus TCP controller for distributed automation networks.
• Two Ethernet interfaces with integrated switch enabling line topology wiring.
• Automatic detection of connected WAGO I/O modules.
• Local PLC logic reduces network communication load.
• Supports a wide range of industrial Ethernet protocols.
• Fully compatible with the modular WAGO I/O System 750.

Key Features

• Modbus TCP programmable controller.
• 32-bit CPU for PLC processing.
• 2 × Ethernet RJ-45 ports (10/100 Mbit/s).
• Supports Modbus TCP and Modbus UDP communication.
• Integrated web server for configuration and diagnostics.
• Supports IEC 61131-3 programming languages including LD, FBD, ST and SFC.
• Compatible with WAGO 750 Series digital and analogue I/O modules.
• DIN-rail mounting for industrial control cabinets.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750
• Model: 750-862
• Product type: Modbus TCP programmable controller
• Controller generation: 4th generation
• Processor: 32-bit CPU
• Program memory: approx. 2 MB
• Data memory: approx. 2 MB
• Non-volatile memory: approx. 16 kB
• Programming standard: IEC 61131-3
• Communication protocols: Modbus TCP, Modbus UDP
• Additional Ethernet protocols: HTTP(S), BootP, DHCP, DNS, SNTP, FTP(S), SNMP
• Ethernet interfaces: 2 × RJ-45 (10/100 Mbit/s)
• Supply voltage: 24 V DC
• Maximum I/O modules: up to 250 modules (64 without bus extension)
• Operating temperature: 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 and SCADA systems via Ethernet infrastructure. The WAGO 750-862 controller integrates Ethernet networking with PLC functionality, enabling reliable communication between distributed field devices and higher-level control systems. :contentReference

Through the modular WAGO I/O System 750, engineers can expand the controller with digital inputs, analogue modules and specialised communication modules to build scalable automation architectures for machine automation, energy management and process monitoring applications.

Typical Applications

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

Trusted by Automation Engineers

WAGO Modbus TCP controllers are widely used in industrial automation systems to integrate distributed I/O modules and field devices into reliable Ethernet-based control networks.