Wago 750-344 FC Interbus, 500Kbit/S Eco

Why Choose the WAGO 750-344 INTERBUS ECO Fieldbus Coupler?

The WAGO 750-344 is an INTERBUS ECO fieldbus coupler designed to integrate the modular WAGO I/O System 750/753 into INTERBUS industrial automation networks. Acting as the communication gateway between distributed field devices and PLC controllers, the coupler exchanges process data between connected I/O modules and the INTERBUS master system.

The ECO variant is optimised for applications with smaller I/O data volumes, typically systems using primarily digital signals or limited analogue data. It provides the flexibility of the WAGO 750 modular I/O architecture while offering a simplified and cost-efficient communication interface for compact automation nodes. :contentReference

During system initialisation the coupler automatically detects installed I/O modules and generates a local process image of the entire I/O configuration. Digital signals are transmitted byte-by-byte while analogue signals are mapped into the process data structure, enabling efficient communication between sensors, actuators and control systems. :contentReference

Key Advantages

• Reliable INTERBUS communication interface for distributed I/O systems.
• ECO version optimised for reduced process data width.
• Automatic detection and configuration of connected I/O modules.
• Supports mixed installations of digital and analogue modules.
• Supports up to 64 I/O modules per node.
• Compact DIN rail module suitable for industrial control cabinets.

Key Features

• INTERBUS fieldbus coupler for WAGO I/O System 750/753.
• ECO architecture for reduced process image size.
• Automatic creation of a local process image for connected modules.
• 500 kbit/s INTERBUS communication speed.
• Supports up to 64 connected I/O modules.
• 9-pin D-Sub fieldbus connectors for network integration.
• DIN rail mounting for industrial automation systems.

Technical Specifications

• Manufacturer: WAGO
• Series: WAGO I/O System 750 / 753
• Model: 750-344
• Device type: INTERBUS fieldbus coupler (ECO)
• Communication protocol: INTERBUS
• Transmission speed: 500 kbit/s
• Maximum modules per node: 64
• Maximum fieldbus nodes per master: up to 256
• Maximum I/O points: approx. 4096
• Supply voltage: 24 V DC
• Fieldbus connection: 2 × D-Sub 9 (IN/OUT)
• Mounting: DIN rail (EN 60715)
• Operating temperature: 0 °C to +55 °C
• Ingress protection: IP20

INTERBUS Distributed I/O Integration

Fieldbus couplers act as the communication interface between distributed field devices and central automation controllers. The WAGO 750-344 enables sensors, actuators and monitoring devices connected to WAGO I/O modules to communicate with PLC systems through the INTERBUS industrial network.

Within the WAGO I/O System architecture, signals from connected modules are automatically mapped into the INTERBUS process image. Digital signals are grouped into bytes while analogue values are transmitted as words, allowing efficient communication between the field level and the control system. :contentReference

Typical Applications

• Distributed PLC I/O systems using INTERBUS networks.
• Industrial machine automation.
• Factory automation and production equipment.
• Process monitoring and control systems.
• Integration of sensors, actuators and digital devices.

Trusted by Automation Engineers

WAGO INTERBUS fieldbus couplers are widely used by automation engineers and system integrators to connect distributed I/O modules within industrial control networks.