ABB 3BHE008128R0001 UNS0887A-P Communication Adapter Module

Product Overview

The UNS0887A-P (3BHE008128R0001) is an industrial communication adapter designed for high-reliability control architectures within ABB distributed control and PLC environments. Officially listed by ABB as a Communication Adapter, this module is engineered to manage deterministic data exchange between controllers, field networks, and supervisory systems.

In selected Symphony Plus and Harmony system configurations, the module is also deployed as a controller-class communication processor, supporting real-time data handling and control coordination in mission-critical installations. Its hardware design prioritizes long-term stability, network redundancy, and dependable operation in electrically and mechanically demanding sites.

Core Functional Characteristics

The UNS0887A-P (3BHE008128R0001) is built to sustain continuous operation in industrial plants where communication downtime is unacceptable. It supports multi-protocol networking and is suitable for both ABB-native and mixed-vendor automation systems.

Key functional capabilities include

• Deterministic, high-speed data transfer for control and monitoring

• Support for redundant network topologies to improve system availability

• Seamless integration with ABB DCS and PLC platforms

• Stable operation under wide temperature and electrical stress ranges

Communication Interfaces

The module supports multiple industrial communication standards, enabling flexible system design and retrofit projects.

• Ethernet (industrial-grade, controller-level communication)

• PROFIBUS (field and controller network integration)

• Modbus (interfacing with third-party devices and subsystems)

Electrical and Environmental Specifications

Designed for continuous industrial duty, the module meets typical power and environmental requirements for control cabinets and system racks.

• Supply Voltage: 24 VDC

• Operating Temperature Range: –40 °C to +70 °C

• Designed for high-EMI and vibration-prone environments

Mechanical Characteristics

Physical dimensions vary slightly across catalog data and logistics listings. The controller module itself is compact, while larger dimensions generally refer to packaging or transport enclosures.

• Dimensions:  281 × 254 × 40 mm

• Weight: 0.6 kg

Typical Application Areas

The UNS0887A-P (3BHE008128R0001) is commonly deployed in systems requiring continuous communication integrity and high operational availability.

• ABB Symphony Plus and Harmony DCS platforms

• Power generation and generator control systems

• Excitation and turbine auxiliary control networks

• Petrochemical, mining, metallurgical, and nuclear facilities

FAQ

Q: Is this module limited to communication only?
A: While officially classified as a communication adapter, certain ABB system configurations use it as a controller-class communication processor supporting real-time data handling.

Q: Can it interface with non-ABB equipment?
A: Yes. Support for Ethernet, PROFIBUS, and Modbus allows integration with compatible third-party devices and subsystems.

Q: Is it suitable for harsh industrial environments?
A: Yes. The wide operating temperature range and industrial-grade design make it suitable for power plants and heavy-industry installations.