ABB QHMV303A Interface Module

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Product Model

ABB QHMV303A Interface Module

Product Overview

The ABB QHMV303A is an interface module used in industrial automation systems to manage signal transmission between control systems and peripheral devices. It provides reliable digital and analog input/output signal conversion, ensuring accurate and stable communication. The QHMV303A is widely applied in PLCs, DCS systems, and industrial control cabinets to facilitate efficient data exchange and system integration.

Technical Specifications

• Model: QHMV303A

• Module Type: Interface Module

• Input Type: Digital/Analog input (configuration-dependent)

• Output Type: Digital/Analog output (configuration-dependent)

• Operating Voltage: 24 V DC

• Communication Interface: Module bus, optional Ethernet or RS-485

• Signal Range: 0–10 V / 4–20 mA (analog)

• Response Time: ≤ 10 ms

• Mounting: DIN rail

• Operating Temperature: –20 °C … +60 °C

• Protection Class: IP20

• Certifications: CE, UL

Advantages & Key Features

1. Powerful signal conversion: Supports digital and analog I/O conversion.

2. High reliability: Industrial-grade design resistant to vibration, dust, and humidity.

3. Fast response: Short response time ensures real-time data handling.

4. Modular design: DIN rail mounting for easy system expansion and maintenance.

5. Good system compatibility: Seamless integration with ABB PLC/DCS systems.

6. High safety: Short-circuit and overload protection.

Application Areas

• Industrial automation control systems

• Signal interface for PLC/DCS systems

• Power automation and energy management

• Industrial control cabinets and production line equipment

• Process control in chemical, pharmaceutical, metallurgy, and food industries

Precautions

1. Verify the module’s power voltage and signal type compatibility before installation.

2. Follow ABB manuals strictly for wiring to avoid short circuits or misconnection.

3. Ensure proper ventilation and avoid high temperature or humid environments.

4. Regularly check module status to ensure reliable signal transmission.

5. Do not exceed rated signal or current to prevent module damage.

The structure and details of the product：

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