ABB DSDP 110 Pulse Input Unit

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 1. Product Overview

The ABB DSDP 110 is an industrial-grade Pulse Input Unit designed for ABB control systems (such as AC500 PLCs or Advant systems). It accurately captures pulse signals from field devices such as flow meters, encoders, and counters, providing high-speed and high-precision signal acquisition.

DSDP 110 features strong interference immunity, fast response, and high reliability, making it essential for industrial automation, process control, and measurement applications.

2. Technical Specifications

• Model: DSDP 110

• Product Type: Pulse Input Unit

• Channels: 8 channels (configurable)

• Input Signal Type: Pulse signals, discrete signals (24 VDC)

• Input Voltage: 24 VDC

• Input Frequency Range: 0–20 kHz (typical)

• Isolation: Optical isolation for system protection

• Response Time: ≤50 µs

• Input Impedance: High-impedance to prevent signal interference

• Mounting: Rack or DIN rail mounting

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

• Storage Temperature: –40°C to +85°C

• Protection Class: IP20

• Communication Interface: Backplane / bus connection

• Applicable Systems: ABB Advant, AC series PLC architectures

3. Features & Advantages

• High-speed pulse signal acquisition

• Industrial-grade optical isolation

• Multiple input channels for simultaneous monitoring

• Accurate counting for flow meters, encoders, and speed sensors

• Modular design for easy installation and maintenance

• Seamless compatibility with ABB AC500 and Advant PLC systems

4. Application Areas

• Flow measurement systems

• Motor speed monitoring and encoder signal acquisition

• Packaging and counting machinery

• Factory automation and process control

• Water treatment and municipal infrastructure

• Energy and power control systems

• Chemical, metallurgical, and mining automation

5. Precautions

1. Ensure proper matching with the backplane or bus before installation.

2. Pulse input signals must be within the module’s rated voltage and frequency.

3. Disconnect power before wiring to prevent short circuits or misoperation.

4. Avoid wiring in high-interference or high-humidity environments; use shielding if necessary.

5. Periodically check terminal connections to ensure reliable signal transmission.

6. Avoid connecting multiple high-frequency signals to a single module to prevent interference or counting errors.

The structure and details of the product：

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