Description

The 0504994880 is a high-performance communication interface module from ABB, designed for the Bailey INFI 90 or Symphony Harmony series distributed control systems (DCS). This module, often functioning as a Computer Interface Unit (CIU) or a specific network gateway, serves as a critical bridge between the proprietary DCS network and external devices or higher-level plant systems. The primary role of the ABB 0504994880 is to facilitate robust, bidirectional data exchange, enabling supervisory control, data acquisition (SCADA), and enterprise-level monitoring. It allows host computers, workstations, and third-party systems to access real-time process data, send setpoints, and retrieve historical information from the controllers within the INFI 90/Symphony ecosystem. Engineered for 24/7 operation in industrial environments, this module ensures data integrity and communication reliability, which are paramount for plant optimization and decision-making. The 0504994880 is a key component in modernizing and extending the lifecycle of ABB’s legacy DCS installations by integrating them into contemporary digitalization strategies.

0504994880 ABB

Technical Specifications

Parameter Name	Parameter Value
Product Model	0504994880
Manufacturer	ABB
Product Type	Communication Interface Module / Gateway
Compatible Systems	Bailey INFI 90, Symphony Harmony
Primary Function	Protocol conversion and data bridging
Host Interface	Typically RS-232, RS-485, or early Ethernet
Network Interface	INFI-NET (or equivalent proprietary control network)
Supported Protocols	Modbus RTU/ASCII, (Potentially others like TCP/IP depending on variant)
Data Access	Read/Write capability for process points, alarms, and trends
Power Supply	Derived from the system rack (e.g., +5V DC)
Operating Temperature	0°C to 60°C (32°F to 140°F)
Mounting	Installs in a designated slot within the INFI 90 / Harmony processing unit or dedicated rack

Main Features and Advantages

The ABB 0504994880 module offers several critical features that enhance system interoperability and data accessibility. Its core advantage is powerful protocol conversion, seamlessly translating the native INFI-NET communication protocol into open, industry-standard protocols like Modbus. This functionality allows the valuable data trapped within the DCS to be liberated and used by a wide array of external systems, including HMIs, data historians, and PLCs, without requiring complex custom software development. The module is designed for reliability with robust electrical isolation and noise immunity, ensuring stable communication links in electrically harsh plant environments, which is essential for maintaining data continuity.

Furthermore, the 0504994880 provides a non-intrusive gateway. It operates by passively listening on the network or polling controllers, allowing it to extract data without impacting the performance or integrity of the critical underlying control execution. This safeguards the primary control functions from any disruptions originating on the external network. The use of this module represents a cost-effective strategy for plant modernization, as it enables the integration of new technologies and applications with existing, well-proven DCS infrastructure, thereby protecting investments and extending the system’s operational life.

Application Field

The 0504994880 is deployed in continuous process industries where legacy Bailey INFI 90 or Symphony Harmony DCS systems are in operation and require integration with modern plant systems. In power generation facilities, it is crucial for connecting turbine and balance-of-plant control systems to plant-wide SCADA networks and performance monitoring systems. In water and wastewater treatment plants, this gateway is used to pull data from process controllers into centralized monitoring centers and reporting software. Oil and gas pipelines utilize it for remote data transmission from pump station controllers to a central control room.

The chemical and pharmaceutical industries employ the 0504994880 to bridge DCS data into manufacturing execution systems (MES) for batch tracking and quality management. It is also extensively used for asset management strategies, feeding device and equipment health data into predictive maintenance platforms. Essentially, any application that involves an older ABB DCS and a need to access its process data for visualization, analysis, or storage in a newer system is a prime application for the ABB 0504994880 interface module.

0504994880 ABB

Related Products

NISD_09: A common Bailey INFI 90 Network Interface Sub-Drop module.

NCOM_02: A COM (Communication) module for the INFI 90 system.

0504994868: Another common communication or processing module within the same family.

Symphony Plus: The modern evolution of the Harmony system, which can interface with these legacy components.

CI861: A more modern ABB Ethernet communication interface, representing a newer generation of gateway.

INFI 90 Power Supply: e.g., 0744994831, required to power the rack containing the 0504994880.

MultiLink Software: ABB’s software package often used for configuration and data handling with these systems.