751-9401 Wago Compact 100 PLC with 2 Analogue/8 Digital Inputs 2 Analogue/4 Digital Outputs

Why Choose the WAGO 751-9401 Compact Controller 100?

The WAGO 751-9401 Compact Controller 100 is an advanced industrial programmable logic controller (PLC) with integrated I/O designed for machine automation, process control and IIoT applications. This compact DIN rail device combines powerful processing capabilities with built-in digital and analogue inputs and outputs, reducing the need for additional expansion modules in smaller automation systems.

Powered by a dual-core Cortex-A7 processor running a real-time Linux operating system, the controller offers high performance and flexible programming options. Engineers can develop automation applications using CODESYS V3 IEC 61131-3 languages, while also integrating modern technologies such as Node-RED, MQTT and OPC UA for advanced data processing and connectivity. :contentReference

The integrated I/O configuration includes digital, analogue and temperature measurement inputs, allowing the controller to directly interface with sensors, actuators and control equipment while maintaining reliable communication with industrial networks and supervisory systems.

Key Advantages

• Compact PLC controller with integrated I/O for space-efficient automation systems.
• Real-time Linux operating system for reliable control and data processing.
• Programmable using CODESYS V3 IEC 61131-3 languages.
• Supports modern IIoT protocols including MQTT and OPC UA.
• Dual Ethernet interfaces for industrial networking.
• Built-in digital, analogue and temperature inputs reduce external module requirements.

Key Features

• Compact Controller 100 industrial PLC.
• 8 digital inputs and 4 digital outputs.
• 2 analogue inputs and 2 analogue outputs.
• 2 resistance measurement inputs for PT1000 / Ni1000 sensors.
• RS-485 serial communication interface.
• 2 × Ethernet ports for fieldbus and network communication.
• CAN / CANopen interface for automation network integration.
• MicroSD card slot for data storage and program backup.

Technical Specifications

• Manufacturer: WAGO
• Model: 751-9401
• Product type: Compact programmable logic controller (PLC)
• CPU: Dual-core Cortex-A7, approx. 650 MHz
• Operating system: Real-time Linux
• Programming environment: CODESYS V3.5
• RAM: 512 MB
• Flash memory: 4 GB
• Digital inputs: 8
• Digital outputs: 4
• Analogue inputs: 2 (16-bit resolution)
• Analogue outputs: 2 (12-bit resolution)
• Temperature inputs: PT1000 / Ni1000
• Communication interfaces: 2 × Ethernet, CAN/CANopen, RS-485
• Supply voltage: 24 V DC
• Mounting: 35 mm DIN rail
• Operating temperature: −25 °C to +60 °C
• Protection rating: IP20

Compact PLC Control for Industrial Automation

Modern automation systems require flexible controllers capable of handling machine control, data processing and network communication simultaneously. The WAGO Compact Controller 100 integrates these capabilities into a single DIN rail device, simplifying system architecture while maintaining powerful control functionality.

With support for industrial communication protocols including Modbus, EtherNet/IP, EtherCAT and CANopen, the controller can easily integrate into existing automation networks while also supporting cloud and IIoT connectivity. :contentReference

Typical Applications

• Industrial machine control systems.
• Building automation and HVAC control.
• Process monitoring and control.
• Energy management systems.
• Industrial IoT gateway and edge computing applications.

Trusted by Automation Engineers

WAGO compact PLC controllers are trusted worldwide by automation engineers and system integrators for reliable machine control, flexible programming and seamless industrial network integration.