PLCs, Power Supplies & Others

Overview

The ABB DSSS 171 Voting Unit ensures reliable system output by determining the majority vote of multiple input signals.
It enhances redundancy in industrial automation systems, allowing processes to continue safely even if some signals fail.
Moreover, the unit integrates seamlessly with existing control and safety networks, providing high operational integrity.
Its compact design simplifies installation while maintaining secure connections for all input and output channels.

Functional Highlights

The DSSS 171 Voting Unit delivers several operational advantages:

• Redundancy Assurance: Maintains correct system output even when certain input signals are faulty.
• High Current Capacity: Supports up to 16 Amps, accommodating various industrial loads.
• Flexible Voltage Range: Operates within 19.2–32 V DC for versatile deployment.
• Proven Reliability: Manufactured in Sweden to ensure consistent quality standards.

In addition, the unit supports both critical safety and communication applications, enhancing overall system dependability.

Technical Specifications

The unit processes multiple input signals efficiently, producing a decisive majority vote to ensure operational continuity.

Typical Applications

The DSSS 171 Voting Unit supports diverse industrial scenarios:

• Safety Systems: Safeguards critical machinery and processes.
• Redundancy Systems: Provides backup for essential components to prevent failures.
• Communication Networks: Determines the dominant node in distributed systems.

Therefore, engineers can implement this unit in safety-critical or high-availability environments for reliable performance.

Details