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ABB DX522-XC Digital Input/Output Module

1. Product Description & Technical Specifications

Model: DX522-XC
Category: Digital Input/Output Module
Function: Combined digital input and digital output channels

The ABB DX522-XC is a versatile digital I/O module designed for use in ABB automation systems. It is capable of receiving digital input signals and providing digital output signals for control tasks. Featuring a robust industrial-grade design, the module ensures fast response, stable operation, and reliable signal exchange, making it suitable for process control, interlocking systems, device monitoring, and actuator control.

Key Specifications (Reference)

Digital Inputs (DI)

• Number of channels: 8/16 channels

• Type: 24 VDC digital input

• Signal level: “1” > 15 V; “0” < 5 V

• Input filtering: 0.5–10 ms

• Isolation: Optical isolation between channels and system

Digital Outputs (DO)

• Number of channels: 8/16 channels

• Output type: Transistor (24 VDC) or relay (depending on version)

• Rated current: 0.5–1 A (transistor); 2 A (relay)

• Protection: Short-circuit and overload protection

• Isolation: Independent channel isolation

General

• Operating voltage: 24 VDC

• Power consumption: < 5 W

• Operating temperature: –20°C to +55°C

• Mounting: DIN rail or modular installation

• Compatible systems: ABB PLC / DCS / Advant / AC series

2. Advantages & Features

1. High-reliability industrial design
   Excellent noise immunity and stable long-term performance.

2. Integrated DI and DO in one module
   Reduces cabinet space and simplifies wiring.

3. Fast switching response
   Ideal for PLC logic control, equipment coupling, and real-time monitoring.

4. Multi-layer isolation & protection
   Optical isolation, short-circuit and overload protection ensure safety.

5. Modular and easy maintenance
   Clear labeling and optional hot-swap capability.

6. Strong system compatibility
   Suitable for a variety of ABB automation platforms.

3. Applications

• Industrial automation production lines

• Machine status monitoring

• Electromechanical control systems

• Process automation

• PLC/DCS digital signal acquisition and control

• Power industry automation

• Chemical, metallurgy, manufacturing, food industries

• Interlocking and safety control systems

• Actuator and device digital control

4. Precautions

1. Always disconnect power before wiring.

2. Ensure input voltages are within rated limits.

3. Output load must not exceed rated current.

4. Avoid installation in high-humidity or corrosive environments.

5. Periodically check for loose terminals.

6. Relay-type outputs have limited mechanical life—monitor usage.

7. Use shielded cables when working in high-noise environments.

8. Use stable and correct power supply to ensure long-term reliability.

The structure and details of the product：

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