Manufacturer: ABB Part number: ABB 3BSE017457R1 CI627A
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CI627A: Product OverviewThe CI627A is a communication interface module for ABB’s AC 800M process controller system, designed to provide a PROFIBUS DP (Decentralized Peripherals) Master interface. This module enables the AC 800M controller to communicate with a network of PROFIBUS DP slave devices, including remote I/O stations, variable frequency drives, motor starters, and other field equipment. Installed in a communication slot of the AC 800M controller baseplate, it functions as the master on the PROFIBUS DP network, cyclically exchanging data with configured slave devices.The module manages the PROFIBUS DP network by handling token passing, station diagnostics, and data exchange according to the PROFIBUS standard. It scans the connected slave devices, reads input data from field sensors, and writes output data to actuators based on the controller’s application program. The module supports baud rates up to 12 Mbps and can handle a configurable number of slaves and I/O data points, making it suitable for both process automation and machine control applications.
ABB CI627A 3BSE017457R1
CI627A: Technical Specifications
•• Model Number: CI627A
•• Order Number: 3BSE017457R1
•• Manufacturer: ABB
•• Product Type: PROFIBUS DP Master Communication Module
•• Compatible Controller: AC 800M Series
•• Protocol: PROFIBUS DP (Master)
•• Standard: EN 50170
•• Baud Rate: 9.6 kbps to 12 Mbps (auto-detect and configurable)
•• Connector: 9-pin D-sub female (RS-485)
•• Number of Slaves: Up to 125 slaves (theoretical maximum, practical limit depends on configuration)
•• I/O Data: Configurable up to 244 bytes input and 244 bytes output per slave
•• Diagnostics: Comprehensive module and network diagnostics
•• Isolation: 500V AC between field and system side
•• Power Supply: 5V DC from controller baseplate
•• Operating Temperature: 0°C to 60°C
•• Status Indicators: LED indicators for power, active, error, and communication status
ABB CI627A 3BSE017457R1
Core Features & Customer ValueThe module’s PROFIBUS DP Master capability allows for distributed I/O architecture, reducing wiring costs and improving system flexibility. For system integrators, this means remote I/O stations can be placed close to field devices while maintaining a single digital communication link back to the main controller. The high baud rate (up to 12 Mbps) ensures fast response times for time-critical applications.The comprehensive diagnostic capabilities provide detailed information about the network status and individual slave devices. Maintenance personnel can quickly identify communication faults, faulty slaves, or cable problems, reducing mean time to repair (MTTR). The module’s hot-swappable capability (in redundant systems) allows for replacement without shutting down the controller, minimizing system downtime during maintenance.Typical ApplicationsIn automotive manufacturing, the CI627A communicates with PROFIBUS DP remote I/O modules distributed along a production line. The module reads sensor data from welding robots and writes control signals to pneumatic valves, enabling synchronized operation of the assembly process.In water treatment plants, the module interfaces with PROFIBUS DP variable frequency drives controlling pump motors. It reads motor parameters and writes speed setpoints, allowing for precise flow control and energy optimization.
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Full 12-month warranty on all components
Full 12-month warranty on all components
