ABB DAPC100 3ASC25H203

It is a digital input/output module, commonly used in ABB’s AC 800M series high-end controller systems.

Product Overview
Product Name: ABB AC 800M Digital I/O Module, 16 Channels

Model: DAPC100

Order Number/Material Number: 3ASC25H203

Main Function: This module serves as an interface between the controller and external field devices, specifically designed to process digital signals. It can receive on/off signals (inputs) from switches and sensors, and can also control the on/off state of devices such as relays, contactors, and indicator lights (outputs).

Detailed Product Description
1. Core Functions and Channel Configuration
Channel Type: 16 digital channels.

Configurability: This is a key feature of this module. Users can flexibly configure these 16 channels through hardware configuration (DIP switches on the module) or software configuration to:

16 digital inputs

16 digital outputs

Mixed mode (e.g., 8 inputs and 8 outputs)

Electrical Isolation: Optical isolation is typically provided between channels and between the channels and the backplane to improve interference immunity and system safety.

2. Technical Specifications
Input Signal:

Voltage Level: Typically 24V DC (standard industrial voltage).

Signal Type: Receives “1” or “0” level signals from passive contacts (such as buttons, limit switches) or active sensors (such as PNP proximity switches).

Output Signal:

Type: Transistor output (typically 24V DC sinking/sourcing).

Load Capacity: Each output channel can drive a certain current, for example, 0.5A. Total module current is also limited.

The advantages of transistor outputs are fast switching speed, long life (no mechanical contacts), and suitability for high-frequency operation.

Connection Method: Connects to field wiring via a front connector, supporting screw terminals or spring terminals, making installation and wiring very convenient.

Power Supply: The module’s power supply is provided via the backplane of the I/O unit in which it is installed (typically 5V or 24V DC).

Company Name: ABB Ltd

Headquarters: Zurich, Switzerland

Established in 1988 (formed by the merger of ASEA from Sweden and BBC Brown Boveri from Switzerland)

Business scope: Electrification, Automation, Robotics and Discrete Automation, Motion Control

Operating scope: Over 100 countries worldwide

n 1988, ASEA from Sweden merged with BBC Brown Boveri from Switzerland to form ABB, which became one of the largest engineering groups in the world at the time. This merger is a milestone cross-border merger in the history of European industry.

Growth and Expansion: Throughout the 1990s and early 21st century, ABB rapidly expanded its global business and product portfolio through a series of acquisitions and internal growth

Main business sectors：

Electrification business

Process Automation

Motion Control Business

Robotics&Discrete Automation Business

China market: China is ABB’s second largest market globally and holds an extremely important strategic position. ABB has achieved a comprehensive layout in China, including:

R&D: We have a globally leading R&D center.

Manufacturing: Multiple modern factories located throughout the country (such as Xiamen, Beijing, Shanghai, etc.).

Sales and Service: Our extensive sales and service network covers all parts of the country

Sales of the brand:

ABB、EPRO、GE、FOXBORO、Schneider、Rexroth、Honeywell、Bently、YASKAWA other global DCS system and PLC system, servo system of famous industrial brand.

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