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751-9403 Wago Compact 100 PLC with 2 Analogue/8 Digital Inputs 4 Digital Outputs
MPN: 751-9403
Alt. SKU: 7519403
Why Choose the WAGO 751-9403 Compact Controller 100?
The WAGO 751-9403 Compact Controller 100 is a powerful industrial PLC with integrated I/O and DALI lighting control, designed for building automation, energy management and distributed control systems. This compact DIN rail controller combines programmable control, networking and integrated field interfaces in a single device, reducing system complexity and installation space.
Running on a real-time Linux operating system and programmed using CODESYS V3, the controller provides flexible engineering options using IEC 61131-3 programming languages. It also supports modern IIoT technologies such as MQTT, Node-RED and container-based applications for advanced data processing and remote connectivity. :contentReference
In addition to integrated digital and analogue channels, the 751-9403 includes a DALI interface for lighting control, enabling direct management of DALI lighting networks without additional gateway modules. This makes it ideal for intelligent building automation and energy-efficient lighting systems. :contentReference
Key Advantages
- Compact PLC controller with integrated I/O for space-efficient automation systems.
- Built-in DALI interface for intelligent lighting control.
- Real-time Linux operating system with CODESYS programming support.
- Dual Ethernet interfaces for industrial networking.
- Integrated I/O channels reduce the need for additional modules.
- Suitable for building automation, energy management and machine control.
Key Features
- Compact Controller 100 industrial PLC.
- 8 digital inputs and 4 digital outputs.
- 2 analogue outputs for process control signals.
- 2 measurement inputs for PT1000 / Ni1000 sensors.
- DALI interface for lighting control networks.
- RS-485 serial communication interface.
- 2 × Ethernet ports for industrial networking.
- MicroSD card slot for program storage and data logging.
Technical Specifications
- Manufacturer: WAGO
- Model: 751-9403
- Product type: Compact programmable logic controller (PLC)
- Series: Compact Controller 100
- CPU: Dual-core ARM Cortex-A7 processor
- Operating system: Real-time Linux
- Programming environment: CODESYS V3
- Digital inputs: 8
- Digital outputs: 4
- Analogue outputs: 2
- Measurement inputs: PT1000 / Ni1000 sensors
- DALI interface: Integrated DALI lighting control
- Communication interfaces: 2 × Ethernet, RS-485
- Supply voltage: 24 V DC
- Mounting: 35 mm DIN rail
- Protection rating: IP20
Compact PLC Control for Smart Automation
The WAGO Compact Controller 100 series combines controller functionality and integrated I/O within a single compact enclosure. This approach simplifies control cabinet design while providing powerful automation capabilities for both industrial and building applications.
With support for modern networking protocols and open programming environments, the controller enables seamless integration between field devices, supervisory systems and cloud platforms for data-driven automation. :contentReference
Typical Applications
- Building automation and smart lighting control.
- Industrial machine control systems.
- Energy monitoring and management systems.
- HVAC control and building infrastructure automation.
- Industrial IoT gateway and edge computing applications.
Frequently Asked Questions
What is the WAGO 751-9403 used for?
The device is a compact PLC used for building automation, lighting control and industrial automation applications.
Does the controller include built-in I/O?
Yes. It includes digital inputs, digital outputs, analogue outputs and measurement inputs for direct connection to sensors and actuators.
What programming software is used?
The controller is programmed using CODESYS V3, supporting IEC 61131-3 languages such as Ladder Diagram and Structured Text.
What communication interfaces are available?
The device includes dual Ethernet ports and an RS-485 interface for industrial network integration.
What is the purpose of the DALI interface?
The integrated DALI interface allows direct control and monitoring of DALI lighting systems used in building automation applications.
Trusted by Automation Engineers
WAGO compact PLC controllers are trusted by automation engineers and building automation specialists for reliable control, flexible programming and efficient integration into modern automation systems.
| Manufacturer Part Number | 751-9403 |
|---|---|
| Height | 90mm |
| Width | 108mm |
| Depth | 55mm |
| Manufacturer | Wago |
| Packed Quantity | 1 |
| HS Code | 85371091 |
| Barcode | 4066966687873 |
| Mount Type | DIN-rail mounted |
| PLC Range | Compact 100 |
| Device type | Compact |
| Number of analogue outputs | 2 |
| Number of digital inputs | 8 |
| Number of digital outputs | 4 |
| Control Setting | EtherCAT, EtherNet/IP, IEC 61850 Ethernet, TCP/IP |
| Number of HW-interfaces RS-485 | 1 |
| Number of HW-interfaces USB | 1 |
| Number of HW-interfaces other | 1 |
| Supporting protocol for other bus systems | Yes |
| Number of HW-interfaces industrial Ethernet | 2 |
| Voltage type (supply voltage) | DC |
| Supply voltage DC | 24 |
| Additional program memory possible | Yes |
| Memory size | 32768kb |
| Type of memory | FLASH |
| Country of Manufacture | Germany |
| Alternative Product SKU | 7519403 |
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