ABB DSFS 401 Numeric Input Simulator

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Product Overview

The ABB DSFS 401 is a high-performance numeric input simulator designed for industrial automation systems. This module can simulate digital input signals for testing, debugging, and verifying the functionality of PLC, DCS, or other control system digital input modules. The DSFS 401 provides high accuracy, reliability, and ease of use, making it convenient for engineers to perform signal simulation in laboratory or field environments.

Detailed Specifications

• Model / Part Number: DSFS 401

• Type: Numeric Input Simulator

• Input Signal Type: Digital signal simulation (ON/OFF switch)

• Output Signal Type: Standard digital input levels (TTL / 24 VDC optional)

• Number of Channels: 8 independent input channels

• Operating Voltage: 24 VDC

• Response Time: ≤ 1 ms

• Operating Temperature: 0°C ~ +55°C

• Storage Temperature: –20°C ~ +70°C

• Protection Class: IP20

• Mounting: DIN-rail or test bench installation

• Standards Compliance: IEC 61131, CE, UL

Key Advantages & Features

• Accurate signal simulation: Precisely simulates digital input signals

• High reliability: Industrial-grade design with strong interference resistance

• Easy operation: Convenient for testing and debugging control systems

• Multi-channel support: Can simulate multiple digital inputs simultaneously

• Modular design: DIN-rail mounting allows easy maintenance and system expansion

• High compatibility: Suitable for ABB PLC, DCS, and other control systems

Applications

• Testing digital input modules in industrial automation systems

• PLC, DCS, and SCADA system debugging

• Function verification and field testing of control systems

• Educational and laboratory signal simulation

• Production line equipment digital signal simulation

• Multi-channel digital input acquisition verification

Precautions

1. Ensure module interfaces are compatible with the system under test before installation.

2. Power off before installation or maintenance to prevent module damage or electrical hazards.

3. Avoid high humidity, temperature, and corrosive environments to extend module life.

4. Regularly check the module and wiring to ensure reliable signal simulation.

5. Do not exceed rated input/output ranges to prevent module damage.

 

The structure and details of the product：

 

 

 

 

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