ABB DX561 1TNE968902R2301 Digital Input/Output Module

The ABB DX561 (1TNE968902R2301) is a versatile digital input/output module designed for ABB’s automation systems, specifically within the AC500-eCo PLC platform. It plays a vital role in extending the I/O capacity of programmable logic controllers (PLCs), allowing them to interact with external digital field devices such as sensors, switches, contactors, and actuators.

Built with industrial-grade durability and high-speed signal processing, the DX561 module supports both digital input and digital output channels in a compact form factor. It is widely used across various automation and control applications, including manufacturing, infrastructure, energy, and building automation. Its plug-and-play connectivity with ABB’s PLC systems ensures seamless integration, minimal configuration, and reliable long-term operation.

Product Specifications

Product Applications

The ABB DX561 digital I/O module is ideally suited for discrete automation applications, where real-time control and monitoring of on/off devices are required. Common application areas include:

• Factory Automation: Controlling and monitoring sensors, motors, valves, and lights.

• Building Automation: Integration with HVAC, lighting control, access systems, and alarms.

• Water Treatment Plants: Monitoring pump status, pressure switches, and enabling alarms.

• Material Handling Systems: Interfacing with conveyor belts, limit switches, and actuators.

• Energy Systems: Supervising breaker positions, voltage relays, and digital feedback.

• Infrastructure Projects: Intelligent lighting, tunnel ventilation, and traffic signal control.

Product Advantages

• Compact and Scalable: Slim form factor saves panel space and allows scalable I/O expansion.

• Integrated Status LEDs: Channel-specific LEDs make diagnostics and troubleshooting intuitive.

• High Reliability: Built for rugged industrial environments with strong EMC immunity.

• Fast Response Time: Ensures real-time performance in time-critical applications.

• Flexible Configuration: Supports both sourcing and sinking inputs for greater flexibility.

• Direct PLC Bus Connection: Easy integration with ABB’s AC500-eCo controllers.

• Secure Mounting and Wiring: Screw terminal connections provide stable, vibration-resistant contacts.

• Energy Efficient: Low power consumption contributes to overall system efficiency.

Frequently Asked Questions (FAQ)

1. Q: How many digital channels does the DX561 module provide?

   A: The module provides a total of 16 channels — 8 inputs and 8 outputs.

2. Q: What kind of digital outputs does it use?

   A: The outputs are transistor-type, PNP (sourcing) with 24 VDC and up to 0.5 A per channel.

3. Q: Can the DX561 be used with non-ABB controllers?

   A: It is specifically designed for ABB AC500-eCo PLCs and may not be compatible with other brands.

4. Q: Is there built-in status indication?

   A: Yes, each input and output channel has its own LED for real-time status indication.

5. Q: What is the module’s protection class?

   A: The module is rated IP20, suitable for installation in enclosed control cabinets.

6. Q: Is this module hot-swappable?

   A: No, it must be powered down before replacement to avoid damage or incorrect states.

7. Q: What type of mounting does it support?

   A: It supports DIN rail mounting for easy integration into control panels.

8. Q: Does the DX561 support fast switching?

   A: Yes, with a response time of less than 1 ms, it’s suitable for rapid digital signal processing.

9. Q: Can the outputs handle inductive loads?

   A: Yes, but protective circuits like flyback diodes are recommended for inductive devices.

10. Q: Is external power required for outputs?

    A: Yes, outputs require a 24 VDC power supply which can be external or supplied via the system.