1MRK000173-BBr03 ABB Binary I/O Module 24VDC 0.5A

Product Overview

The ABB 1MRK000173-BBr03 is a high-density Binary I/O Module designed for precise digital signal processing in advanced automation and protection systems. Featuring a balanced configuration of 16 digital inputs and 16 digital outputs, this module provides a comprehensive interface for monitoring field states and controlling secondary equipment. Engineered for high-speed industrial environments, it supports a response frequency of up to 1 kHz with a switching response time of less than 10 ms. The unit is optimized for efficiency, weighing 0.5 kg (1.1 lbs) and maintaining a rugged, compact form factor for reliable long-term service.

Technical Configuration

Digital Input & Output Performance

Each of the 16 digital inputs is designed for a standard 24V DC voltage range (20.4 - 28.8 V DC), ensuring compatibility with typical industrial sensors and switches. On the output side, the 16 digital channels provide a steady current rating of 0.5 A per channel, suitable for driving relays, solenoids, and indicators. To ensure system integrity and protect sensitive electronics from field noise, the module utilizes galvanic isolation across all signal paths.

Networking & Diagnostics

This module utilizes the Ethernet/IP data transmission method, facilitating seamless integration into modern networked control architectures. For real-time monitoring and rapid troubleshooting, the front panel includes integrated LED status indicators for Operation, Fault, and Communication. The 1MRK000173-BBr03 is rated for an extended operating temperature range of -20°C to +60°C, making it suitable for deployment in diverse climatic conditions without additional cooling requirements.

Technical Specifications

Installation & Environmental Resilience

The module is designed for standard DIN rail mounting, allowing for fast and secure installation within control panels or substation racks. Its solid-state design and IP20-rated enclosure provide protection against solid objects in typical industrial environments. Furthermore, with support for non-condensing humidity levels up to 95%, the unit maintains consistent performance in high-humidity zones. Fully certified with CE, UL, and RoHS standards, it meets global requirements for safety and environmental compliance.

Engineering Advantages

• High Signal Density: Provides 32 total digital points in a single module, maximizing rack space utilization.
• Galvanic Isolation: Effectively prevents ground loops and protects the control system from field-side electrical surges.
• High-Speed Switching: Up to 1 kHz response frequency ensures precision in time-critical control loops.
• Low Maintenance: Built-in LED diagnostics enable immediate visual identification of fault conditions without external tools.

Technical FAQs

Q1: What is the maximum load each output channel can handle?
A1: Each output channel is rated for a continuous current of 0.5 A at 24V DC.

Q2: Does this module support high-speed pulse counting?
A2: Yes, with a response frequency of up to 1 kHz, it is suitable for many standard industrial pulse sensing applications.

Q3: Is the module compliant with European safety standards?
A3: Yes, the 1MRK000173-BBr03 is CE certified and meets all relevant EU safety and environmental regulations.