WAGO 750-333/040-000 PROFIBUS DP/V1 fieldbus coupler for WAGO I/O System 750 XTR with extended temperature range and communication speeds up to 12 MBd.
£469.35
The WAGO 750-333/040-000 is a PROFIBUS DP/V1 fieldbus coupler designed for the WAGO I/O System 750 XTR, enabling reliable communication between distributed I/O modules and PROFIBUS automation networks. Acting as the interface between field devices and PLC controllers, the coupler exchanges process data between connected I/O modules and the PROFIBUS master system.
During system initialisation, the coupler automatically detects all installed I/O modules and creates a process image of inputs and outputs. Digital signals are transmitted bit-by-bit, while analogue values are transferred as bytes or words, ensuring efficient communication between sensors, actuators and the control system. :contentReference
This XTR (Extreme) version is engineered for demanding industrial environments. It offers an extended operating temperature range, enhanced EMC immunity and improved vibration resistance, making it suitable for installations exposed to harsh conditions such as outdoor systems, energy infrastructure and transport applications. :contentReference
Fieldbus couplers provide the communication interface between distributed I/O modules and automation controllers. The WAGO 750-333/040-000 enables sensors, actuators and monitoring devices connected to WAGO I/O modules to communicate with PLC systems over PROFIBUS networks used in industrial automation.
The coupler automatically maps signals from connected modules into the PROFIBUS process image. Modules with bit widths smaller than one byte are grouped together to optimise address allocation and simplify integration into the control system application. :contentReference
| Voltage | 24 V |
|---|---|
| IP Rating | IP20 |
| Series | WAGO I/O System 750 XTR |
| Device type | PROFIBUS DP/V1 fieldbus coupler |
| Communication protocol | PROFIBUS DP |
| Transmission speed | 9.6 kBd → 12 MBd |
| Maximum modules per node | 63 |
| Maximum I/O points | approx. 6000 |
| Process image | up to 244 bytes input / 244 bytes output |
| Supply voltage | 24 V DC |
| Power jumper contact current | up to 10 A |
| Fieldbus connection | PROFIBUS D-Sub 9 socket |
| Mounting | DIN rail (EN 60715) |
| Operating temperature | −40 °C to +70 °C |
| Ingress protection | IP20 |
It connects the WAGO I/O System 750 XTR to a PROFIBUS DP network and manages communication between PLC controllers and connected I/O modules.
The coupler supports up to 63 modules within a single distributed I/O node.
The PROFIBUS interface supports speeds from 9.6 kBd up to 12 MBd.
The XTR version is designed for harsh environments and offers extended temperature range, higher EMC immunity and improved resistance to vibration and shock.
The coupler is installed at the start of a WAGO I/O node on a DIN rail inside a PLC control cabinet or distributed automation system.
WAGO fieldbus couplers are widely used by machine builders and system integrators to integrate distributed I/O modules into industrial PROFIBUS automation networks.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...