ABB PXAH401 Human Machine Interface (HMI) Operating Unit

ABB PXAH401 Human Machine Interface (HMI) Operating Unit

Product Overview

The ABB PXAH401 is a Human Machine Interface (HMI) Operating Unit used in industrial automation systems for operational monitoring, data input, and status display. The PXAH401 provides an intuitive graphical interface that enables operators to monitor PLCs, DCS, or other control systems in real-time, adjust parameters, and perform fault diagnostics. Its modular design allows seamless integration with ABB automation systems, suitable for complex industrial human-machine interaction requirements.

Main Technical Specifications

• Model: PXAH401

• Product Type: HMI Operating Unit

• Display: Color TFT/LCD screen

• Resolution: 480 × 272 pixels (depending on model)

• Input Method: Touchscreen, buttons, or rotary knob (varies by model)

• Communication Interfaces: MODBUS, PROFIBUS, EtherNet/IP, etc.

• Supply Voltage: 24 V DC

• Power Consumption: ≤ 15 W

• Operating Temperature: 0°C to +50°C

• Storage Temperature: -20°C to +70°C

• Protection Rating: IP65 (front panel protection)

• Mounting: Panel embedded mounting

• Status Indicators: Display screen and LED for power status

• Compatibility: Compatible with ABB PLC, DCS systems, and other automation modules

Advantages & Key Features

• Intuitive HMI with color display for clear system status and alarm information

• Multiple input methods: touchscreen, buttons, or rotary knob

• Industrial-grade design with IP65 protection for dust and moisture resistance

• Real-time monitoring and diagnostics for parameter setting, data monitoring, and fault detection

• Multi-protocol communication supporting MODBUS, PROFIBUS, EtherNet/IP

• Modular and easy to integrate: panel-embedded installation, seamless integration with ABB automation systems

Application Areas

• Industrial automation system operation and monitoring

• Parameter setting and operational monitoring for PLC and DCS systems

• Automated production line control and data acquisition

• Industrial robot and manipulator monitoring

• Power, metallurgy, petrochemical, water treatment, and smart manufacturing industries

• Operational interface for fans, pumps, compressors, and other industrial equipment

Precautions

1. Ensure supply voltage, interface type, and communication protocol match the system before installation.

2. Install the module inside a control cabinet or panel to avoid high humidity, dust, or corrosive environments.

3. Disconnect power before wiring or maintenance to prevent electric shock or device damage.

4. Regularly check the display, LED indicators, and communication interfaces to ensure normal operation.

5. Avoid strong electromagnetic interference environments to ensure signal stability.

6. Follow industrial safety standards during operation and maintenance.