Overview
Manuals
Integration & Compatibility
System Applications
Features:
- Strictly communicates over the specialized Advant Fieldbus 100 (AF 100) protocol
- Features high-speed synchronization operating at 1.5 Mbps
- Integrates 1 built-in AF100 modem per physical module
The CI820V1 3BSE025255R1 is a high-performance, high-reliability redundant fieldbus communication interface module suitable for S800 I/O systems. This module primarily functions as a communication bridge, seamlessly connecting various digital and analog S800 I/O modules distributed across industrial fields to ABB's Advant Fieldbus 100 (AF 100) high-speed fieldbus network. It is a critical gateway in the entire distributed control system (DCS).
The CI820V1 has a built-in dual-channel communication interface, which supports forming a dual-machine hot standby redundant pair with another identical interface module. When the main communication link, cable or module hardware fails suddenly, the system can achieve seamless millisecond-level fault switching without interrupting on-site production and operation.
The CI820V1 3BSE025255R1 ABB Communication interface unit may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
ABB CI820V1 3BSE025255R1 Communication interface unit maunal(Datasheets), Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The CI820V1 is a plug-in processor module that requires a compatible electrical backplane to connect terminal cables:
Certified Maximum Transmission Unit (MTU): Must be plugged into a TU846 or TU847 module terminal unit. Mechanical error protection: Employs factory hardware error protection code "AA" to prevent accidental mis-insertion with other network interface cards.
Electrical isolation: Standard embedded safety shielding layer with a rated voltage up to 500 V RMS shields against voltage differences between the backplane and field cabling circuitry.
The CI820V1 prioritizes uninterrupted network data transmission, making it widely used in large-scale industrial applications with extremely high uptime requirements:
Distributed Control Systems (DCS): It routes local field parameters from remote tank farms, sensor matrices, or motor control centers back to the central logic solver without requiring excessive signal cabling.
Continuous Process Networks: Manages critical automation loops in chemical, petrochemical, manufacturing, and energy industries, where communication interruptions can lead to entire production line shutdowns.
