Wago 750-343 FC Profibus, 12Mbd Eco

Wago 750-343 FC Profibus, 12Mbd Eco

WAGO 750-343 PROFIBUS DP ECO fieldbus coupler for connecting WAGO I/O System 750/753 modules to PROFIBUS industrial automation networks.

SKU: 750-343Alt SKU: 750343MPN: 750-343
Price
List Price £235.94 ex VAT
Your Price (ex VAT) Save 10%
£212.35 10% OFF
You save £23.59 per unit
Manufacturer Lead Time Please contact us for a delivery time before you order
Get the best trade prices Trade exclusive

Create an online account to unlock exclusive pricing, special offers and more.

Create an online account Quick & easy setup
SUBTOTAL (EX VAT) £212.35
Trade pricing is personalised to your account

Manufacturer Lead Time

£212.35

Why Choose the WAGO 750-343 PROFIBUS DP ECO Fieldbus Coupler?

The WAGO 750-343 is a compact PROFIBUS DP ECO fieldbus coupler designed to connect the modular WAGO I/O System 750/753 to PROFIBUS automation networks. Acting as the interface between distributed field devices and PLC controllers, the coupler exchanges process data between connected I/O modules and the PROFIBUS master system.

The ECO version is specifically developed for applications with lower process data volumes, such as systems using primarily digital signals or limited analogue data. It provides the full flexibility of the WAGO 750 I/O system while maintaining a simplified and cost-efficient architecture for smaller automation nodes. :contentReference

During start-up, the coupler automatically detects installed I/O modules and builds a process image of all inputs and outputs. To optimise address space, modules with bit widths smaller than one byte are grouped together, ensuring efficient communication across the PROFIBUS network. :contentReference

Key Advantages

  • Reliable PROFIBUS DP communication for distributed automation systems.
  • Optimised ECO version for smaller I/O configurations.
  • Automatic detection and configuration of connected modules.
  • Supports mixed installations of digital and analogue modules.
  • High-speed communication up to 12 MBd.
  • Compact DIN rail design for industrial control cabinets.

Key Features

  • PROFIBUS DP fieldbus coupler for WAGO I/O System 750/753.
  • ECO version designed for reduced process data width.
  • Automatic generation of a local process image.
  • Communication speeds from 9.6 kBd to 12 MBd.
  • Supports up to 63 I/O modules per node.
  • 9-pin D-Sub PROFIBUS connector.
  • DIN rail mounting for industrial automation systems.

PROFIBUS Distributed I/O Integration

Fieldbus couplers provide the communication bridge between distributed I/O modules and automation controllers. The WAGO 750-343 allows sensors, actuators and monitoring devices connected to WAGO I/O modules to communicate with PLC systems over the PROFIBUS industrial network.

Within the WAGO I/O System architecture, the coupler automatically maps signals from connected modules into the PROFIBUS process image. Digital modules with smaller bit widths are grouped into bytes to optimise address allocation and simplify integration into control system applications. :contentReference

Typical Applications

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

Technical Specifications

Tick the specs you need, then view products that match.

Supported Protocols PROFIBUS DP
Product Series WAGO I/O System 750
Device Type Communication / Function Module
Coil / Supply Voltage 24 V DC
Communication PROFIBUS DP
Voltage 24 V
IP Rating IP20
Series WAGO I/O System 750 / 753
Device type PROFIBUS DP fieldbus coupler (ECO)
Communication protocol PROFIBUS DP
Transmission speed 9.6 kBd → 12 MBd
Maximum modules per node 63
Maximum fieldbus nodes per master up to 125
Input process image up to 32 bytes
Output process image up to 32 bytes
Supply voltage 24 V DC
Fieldbus connection D-Sub 9 socket
Mounting DIN rail (EN 60715)
Operating temperature 0 °C to +55 °C
Ingress protection IP20
HS Code 85176200
Country of Manufacture Germany

Frequently Asked Questions

What is the WAGO 750-343 fieldbus coupler used for?

It connects the WAGO I/O System 750/753 to a PROFIBUS DP network, enabling PLC systems to communicate with distributed I/O modules.

What does the ECO version mean?

The ECO version is designed for applications with smaller process data volumes, typically systems using mainly digital signals or limited analogue data.

How many modules can be connected?

The coupler supports up to 63 I/O modules within a single distributed node.

What communication speed does it support?

The PROFIBUS interface supports communication speeds from 9.6 kBd to 12 MBd.

Where is the coupler installed?

The coupler is installed at the beginning of a WAGO I/O node on a DIN rail within PLC control cabinets or distributed automation systems.

Trusted by Automation Engineers

WAGO PROFIBUS fieldbus couplers are widely used by machine builders and automation engineers to integrate distributed I/O modules into industrial automation networks.