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751-9403 Wago Compact 100 PLC with 2 Analogue/8 Digital Inputs 4 Digital Outputs
WAGO 751-9403 Compact Controller 100 featuring 8 digital inputs, 4 digital outputs, 2 analogue outputs, DALI lighting control, Ethernet networking and Linux-based automation capabilities.
£430.97
Why Choose the WAGO 751-9403 Compact Controller 100?
The WAGO 751-9403 Compact Controller 100 is a powerful industrial PLC that combines integrated control, networking and DALI lighting control functionality within a single compact DIN rail-mounted device. Designed for building automation, smart infrastructure, energy management and industrial control applications, it delivers advanced automation capabilities while reducing panel space and installation complexity.
Featuring 8 digital inputs, 4 digital outputs, 2 analogue outputs, 2 temperature measurement inputs, an integrated DALI interface, Ethernet networking and RS-485 communications, the controller provides an ideal platform for intelligent lighting control and building automation projects.
Built on a real-time Linux operating system and programmed using CODESYS V3.5, the controller supports modern automation technologies including MQTT, OPC UA, Node-RED and Docker-based applications, making it suitable for both traditional control systems and Industry 4.0 deployments.
Key Advantages
- Integrated PLC and DALI lighting controller.
- Compact DIN rail-mounted design.
- Real-time Linux operating system.
- CODESYS V3.5 programming environment.
- Dual Ethernet networking ports.
- Integrated DALI lighting control interface.
- RS-485 serial communications.
- Suitable for building automation and smart infrastructure projects.
Key Features
- 8 digital inputs.
- 4 digital outputs.
- 2 analogue outputs (0-10 V).
- 2 temperature inputs (Pt1000 / Ni1000).
- Integrated DALI lighting control interface.
- 2 × RJ45 Ethernet ports.
- RS-485 communication interface.
- MicroSD card slot.
- ARM Cortex-A7 processor.
- Real-time Linux operating system.
- CODESYS V3.5 support.
- Node-RED compatibility.
- MQTT and OPC UA communications.
- HTML5 web visualisation.
- USB-C service and programming port.
Integrated DALI Lighting and Building Automation Control
The standout feature of the WAGO 751-9403 is its integrated DALI (Digital Addressable Lighting Interface) capability. Unlike standard compact PLCs, the controller can directly manage DALI lighting networks without requiring separate gateway hardware. This simplifies system architecture, reduces installation costs and enables advanced lighting control strategies within a single controller platform.
Combined with Ethernet networking, MQTT connectivity and CODESYS programming, the controller can act as both an automation controller and an intelligent building management gateway, supporting energy-efficient lighting systems and smart building applications.
Typical Applications
- Building automation systems.
- DALI lighting control networks.
- Smart building infrastructure.
- HVAC control systems.
- Energy management applications.
- Industrial machine control.
- IIoT gateway deployments.
- Edge computing and cloud-connected automation.
Technical Specifications
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| Communication | Ethernet, RS485 | |
|---|---|---|
| Device Type | CPU / Controller | |
| Coil / Supply Voltage | 24 V DC | |
| Digital Inputs | 8 | |
| Digital Outputs | 4 | |
| Analogue I/O | 0 AI / 2 AO | |
| Voltage | 24 V | |
| IP Rating | IP20 | |
| Series | Compact Controller 100 | |
| Product type | Programmable Logic Controller (PLC) | |
| Processor | ARM Cortex-A7, 650 MHz | |
| Operating system | Real-time Linux (RT-Preempt) | |
| Programming software | CODESYS V3.5 | |
| Supply voltage | 24 V DC | |
| Digital inputs | 8 | |
| Digital outputs | 4 | |
| Analogue outputs | 2 × 0-10 V | |
| Temperature inputs | 2 × Pt1000 / Ni1000 | |
| DALI interface | Integrated | |
| Ethernet ports | 2 × RJ45 | |
| Serial interface | RS-485 | |
| Main memory | 512 MB RAM | |
| Flash memory | 4 GB | |
| Memory expansion | MicroSD up to 32 GB | |
| Protocols | Modbus TCP/UDP, Modbus RTU, EtherCAT Master, EtherNet/IP, OPC UA, MQTT, BACnet/IP (licensed) | |
| Visualisation | HTML5 Web-Visu | |
| Protection rating | IP20 | |
| Mounting | DIN rail | |
| Operating temperature | -25°C to +60°C | |
| Dimensions (W × H × D) | 108 × 90 × 55 mm | |
| Weight | Approx. 206 g | |
| HS Code | 85371091 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the WAGO 751-9403 used for?
The 751-9403 is a Compact Controller 100 PLC designed for building automation, lighting control, energy management and industrial automation applications.
What makes the 751-9403 different from other Compact Controller 100 models?
The controller includes an integrated DALI lighting control interface, allowing direct control of DALI lighting systems without additional gateways.
Which programming software is supported?
The controller is programmed using CODESYS V3.5 and also supports Node-RED and Linux-based applications.
Does the controller support IIoT communications?
Yes. The controller supports MQTT, OPC UA, EtherNet/IP, EtherCAT and Modbus communications for modern IIoT and Industry 4.0 projects.
What temperature range does it support?
The controller operates in ambient temperatures from -25°C to +60°C.
Trusted by Building Automation and Control Engineers
The WAGO 751-9403 Compact Controller 100 combines PLC control, DALI lighting management and modern IIoT connectivity in a single compact platform, making it an ideal solution for smart buildings and advanced automation projects.
