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Wago 750-377 FC Profinet, G3 Eco
WAGO 750-377 PROFINET IO fieldbus coupler with integrated 2-port Ethernet switch for connecting WAGO I/O System 750/753 modules to PROFINET industrial automation networks.
£319.43
Why Choose the WAGO 750-377 PROFINET IO Fieldbus Coupler?
The WAGO 750-377 is a PROFINET IO fieldbus coupler (3rd generation, ECO Advanced) designed to integrate the WAGO I/O System 750/753 with PROFINET industrial Ethernet networks. It enables reliable real-time communication between distributed field devices and PLC controllers in modern automation systems. :contentReference
During system initialisation the coupler automatically detects all connected digital, analogue and speciality I/O modules and creates a local process image. Digital signals are transmitted bit-by-bit while analogue and complex module data is transferred word-by-word, allowing efficient exchange of process data between field devices and the control system. :contentReference
The device includes an integrated two-port Ethernet switch, enabling simple line topology wiring without external switches or hubs. This simplifies network architecture and reduces infrastructure requirements in distributed automation installations. :contentReference
Key Advantages
- Reliable PROFINET IO real-time industrial Ethernet communication.
- Automatic detection and configuration of connected I/O modules.
- Integrated two-port Ethernet switch enabling line topology.
- Supports mixed installations of digital, analogue and speciality modules.
- Scalable architecture supporting up to 64 I/O modules per node.
- Supports advanced PROFINET features including PROFIsafe and PROFIenergy.
Key Features
- PROFINET IO fieldbus coupler for WAGO I/O System 750/753.
- 10/100 Mbit/s Ethernet communication.
- Integrated 2 × RJ-45 Ethernet ports with internal switch.
- Automatic generation of a local process image of connected modules.
- Device name assignment via DCP protocol or DIP switch.
- Supports diagnostics and topology detection.
- DIN rail mounting for industrial control cabinets.
PROFINET Industrial Network Integration
PROFINET is a widely adopted industrial Ethernet protocol used for high-performance communication between PLC controllers, distributed I/O modules and industrial devices. The WAGO 750-377 allows field-level sensors and actuators connected to WAGO I/O modules to communicate with automation controllers through this deterministic real-time network. :contentReference
Within the WAGO I/O architecture, the coupler automatically maps signals from connected modules into the PROFINET process image. This simplifies configuration and enables scalable distributed automation systems across manufacturing and process industries. :contentReference
Typical Applications
- Distributed PLC I/O systems using PROFINET networks.
- Industrial machine automation.
- Factory automation and production lines.
- Process monitoring and control systems.
- Integration of sensors, actuators and analogue devices.
Technical Specifications
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| Supported Protocols | PROFINET | |
|---|---|---|
| Product Series | WAGO I/O System 750 | |
| Device Type | Communication / Function Module | |
| Coil / Supply Voltage | 24 V DC | |
| Communication | PROFINET | |
| Voltage | 24 V | |
| IP Rating | IP20 | |
| Series | WAGO I/O System 750 / 753 | |
| Device type | PROFINET IO fieldbus coupler | |
| Communication protocol | PROFINET IO | |
| Ethernet speed | 10 / 100 Mbit/s | |
| Transmission method | 100Base-TX | |
| Network connection | 2 × RJ-45 Ethernet | |
| Transmission medium | Twisted pair S-UTP Cat.5 | |
| Maximum segment length | 100 m | |
| Maximum modules per node | 64 | |
| Input process image | up to 256 bytes | |
| Output process image | up to 256 bytes | |
| Supply voltage | 24 V DC (−25% to +30%) | |
| Mounting | DIN rail (EN 60715) | |
| Operating temperature | approx. 0 °C to +55 °C | |
| Ingress protection | IP20 | |
| HS Code | 85176200 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What does the WAGO 750-377 coupler do?
It connects WAGO I/O System 750/753 modules to a PROFINET IO network so PLC systems can communicate with distributed field devices.
How many I/O modules can be connected?
The coupler supports up to 64 I/O modules within a single distributed node.
Why are two Ethernet ports included?
The integrated switch allows PROFINET devices to be connected in line topology without additional network switches.
What type of data can the coupler handle?
The coupler supports digital, analogue and complex modules, transmitting digital signals bit-by-bit and analogue values word-by-word.
Where is the coupler installed?
The coupler is mounted at the start of a WAGO I/O node on a DIN rail within PLC control cabinets or distributed automation systems.
Trusted by Automation Engineers
WAGO PROFINET fieldbus couplers are widely used by automation engineers and system integrators to connect distributed I/O modules to high-performance industrial Ethernet networks.
