Product Overview

The ABB 1MRK001987-AA is a specialized control board and binary input module engineered for the Advant-800xA Distributed Control System (DCS). This module serves as a critical interface for signal acquisition, bridging field-level data with the central processing unit. It is designed to maintain high operational integrity in complex industrial environments, featuring an integrated Ethernet router communication service. By prioritizing low power consumption and rapid signal processing, the 1MRK001987-AA ensures synchronized automation performance and reliable logic execution for large-scale industrial networks.

Technical Specifications Summary

• Brand: ABB

• Model Number: 1MRK001987-AA

• Product Series: Advant-800xA

• Product Type: Controller Panel / Binary Input Module

• Communication Service: Ethernet Router

• Operating Voltage: 10 - 30 VDC

• Operating Temperature: -25°C to +60°C

• Weight: 1.08 kg

• Dimensions: 18.5 x 8.5 x 30.5 cm

• HS Code: 8537101190

• Country of Origin: Sweden

Technical Characteristics

The module is built with professional-grade components to meet the following technical requirements:

Input and Power Management The board operates within a 10 to 30 VDC voltage range. It is optimized for energy efficiency with a low input current draw of 5 mA, reducing the overall thermal footprint within control cabinets and ensuring stability during continuous 24/7 operation.

Response Performance Engineered for time-critical applications, the module delivers a signal response time of 20 milliseconds or less. This high-speed capability allows for the precise monitoring of binary states and immediate feedback for automated control loops.

Switching and Connectivity The hardware includes two normally open (NO) relay contacts, providing flexible integration for various logic switching tasks. Secure electrical interfacing is achieved through heavy-duty terminal block connections, ensuring vibration-resistant wiring.

Environmental Durability Housed in an IP20-rated enclosure, the module is protected against common industrial contaminants. It maintains full functionality across a temperature range of -25°C to +60°C, making it suitable for deployment in diverse process environments ranging from manufacturing plants to utility substations.

Operational Applications

As a core component of the Advant-800xA ecosystem, this DCS module is utilized in high-stakes industries such as power generation, oil and gas, and chemical processing. Its primary role involves managing binary inputs from field devices—such as limit switches and sensors—and routing that data via its internal Ethernet service to maintain a cohesive and responsive control architecture.