ABB I/O Systems - S800 I/O

The ABB S800 I/O is a comprehensive, distributed, and modular process I/O system provided by ABB. It is a part of the ABB 800xA control system and offers a wide range of communication interfaces for seamless integration with various control and monitoring systems.

The main products within the ABB S800 I/O system include:

1. Communication Interface Modules: These modules enable communication between the S800 I/O system and the control system. Some commonly used communication interfaces for the AC 800M controller are:

- Profibus DP: Enables communication with other devices using the Profibus DP protocol.

- Modbus TCP: Allows communication over Ethernet using the Modbus TCP protocol.

- OPC DA: Provides OPC (OLE for Process Control) Data Access for connecting to external systems.

- AC 800M OPC Server: Enables OPC communication with the AC 800M controller.

2. Digital Input/Output Modules: These modules provide digital input/output channels for the S800 I/O system, allowing monitoring and control of discrete signals.

3. Analog Input/Output Modules: These modules offer analog input/output channels for precise measurement and control of continuous process variables.

4. HART Interface Module: This module allows integration with HART (Highway Addressable Remote Transducer) devices, enabling communication and control of HART-enabled field devices.

5. Redundancy Modules: The S800 I/O system also includes redundancy modules to ensure high availability and fault tolerance in critical applications. These modules enhance system reliability by providing redundant power supplies, communication paths, and I/O modules.

The ABB S800 I/O system provides flexibility and scalability, allowing for easy expansion and adaptation to changing process requirements. It offers a robust and reliable solution for process control applications in various industries.