Product Overview

The CI531 (Part Number 3BSE003825R1) is a high-performance communication interface designed to bridge ABB industrial control systems with external networks and third-party devices. This module is engineered for "Seamless Integration," providing robust support for the widely-used Modbus TCP/IP protocol. By facilitating high-reliability data exchange over RS-485 physical layers, the CI531 allows controllers to interface with a vast array of meters, drives, and sensors. Operating on a low-power 12V DC architecture, the module is optimized for efficiency while maintaining the rugged environmental specifications required for continuous industrial service.

Technical Specifications

• Model Number: CI531

• ABB Part Code: 3BSE003825R1

• Communication Protocol: Modbus TCP/IP

• Physical Interface: RS-485

• Data Transfer Rate: 9600 bps (Standard for long-distance industrial stability)

• Nominal Operating Voltage: 12V DC (Isolation support up to 250V DC)

• Power Consumption: ≤ 1 W (Ultra-low thermal footprint)

• Environmental Rating: IP20 (Enclosure protected)

• Thermal Operating Range: -20°C to +60°C (-4°F to 140°F)

• Humidity Tolerance: 5% to 95% RH (Non-condensing)

• Physical Dimensions: 12.5 cm x 2 cm x 26 cm

• Net Weight: 0.145 kg

• Software Environment: Compatible with VxWorks and Wind River-based control architectures

Industrial Networking & Connectivity

The CI531 is a critical component for "Distributed Intelligence" in modern factory and power plant environments. In applications where a central PLC must gather data from geographically dispersed power meters or motor starters, the CI531 serves as the translation gateway. Its support for Modbus TCP/IP ensures that data is delivered with high integrity across standard Ethernet-based industrial networks. Furthermore, the module's 250V DC operating voltage ceiling provides an extra layer of electrical resilience, protecting the communication bus from common-mode voltage spikes often encountered in high-power motor control centers.