ABB DP640 Tachometer Module

ABB DP640 Tachometer Module

Product Overview

The ABB DP640 is a Tachometer Module used in industrial automation systems for precise measurement of rotational equipment speed. It converts speed signals into standard signals usable by PLC, DCS, or other control systems. The module provides real-time monitoring of machinery RPM, supporting alarm and process control functions, making it a key component in motor control, pumps, fans, and other rotating equipment automation.

Main Technical Specifications

• Model: DP640

• Product Type: Tachometer Module

• Input Signal Type: Pulse / Voltage / Current (configurable)

• Output Signal Type: Standard analog 0-10 V, 4-20 mA, or digital output (configurable)

• Measurement Range: 0 – 6000 RPM (customizable)

• Resolution: 0.1 RPM

• Response Time: ≤ 10 ms

• Supply Voltage: 24 V DC

• Operating Temperature: -20°C to +60°C

• Storage Temperature: -40°C to +85°C

• Protection Rating: IP20 (installed inside control cabinet)

• Mounting: DIN rail

• Status Indicators: LED for power and signal status

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

Advantages & Key Features

• High-precision speed measurement for fast and accurate RPM monitoring.

• Multiple input/output interfaces support pulse, voltage, and current signals, providing strong compatibility.

• Real-time monitoring and alarms for speed tracking, limit control, and abnormal detection.

• Modular design with DIN rail mounting for quick replacement and system expansion.

• Industrial-grade durability suitable for vibration, high temperature, and EMI-prone environments.

• Easy integration with ABB PLC, DCS systems, and standard industrial control networks.

Application Areas

• Motor speed monitoring and control

• Fan, pump, and compressor speed measurement

• Automated production line equipment monitoring

• Robot and manipulator speed control

• Wind turbines, generators, and power equipment

• Petrochemical, metallurgy, water treatment, and smart manufacturing systems

Precautions

1. Ensure module supply voltage and input/output signal types match the system before installation.

2. Install the module inside control cabinets or protective enclosures to avoid moisture, dust, and corrosive environments.

3. Disconnect power before wiring and maintenance to prevent short circuits or accidental operation.

4. Regularly inspect connections, signal cables, and LED indicators to ensure reliable signal acquisition.

5. Avoid prolonged overload operation to maintain stability and extend module lifespan.

6. Input signals should remain within module specifications to prevent damage.

7. Configure alarms and control parameters following system safety standards.