PFCA401SF: Product OverviewThe PFCA401SF is a communication interface module designed for ABB’s AC 800M process controller system. This module functions as a PROFIBUS DP (Decentralized Peripherals) Master, enabling the controller to communicate with a network of PROFIBUS DP slave devices such as 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 serves as the master station on the PROFIBUS DP network, managing cyclic data exchange with configured slave devices according to the PROFIBUS standard.The module operates by scanning connected slave devices, reading input data from field sensors, and writing output data to actuators based on the controller’s application program. It handles network management functions including token passing, station diagnostics, and baud rate detection. The module supports the full range of PROFIBUS DP baud rates up to 12 Mbps, allowing for optimized network performance based on distance and application requirements. Its design focuses on reliable industrial communication with error detection and recovery mechanisms to maintain network integrity.
ABB PFCA401SF 3BSE024387R4
PFCA401SF: Technical Specifications
•• Model Number: PFCA401SF
•• Order Number: 3BSE024387R4
•• Manufacturer: ABB
•• Product Type: PROFIBUS DP Master Communication Module
•• Compatible Controller: AC 800M Series
•• Protocol: PROFIBUS DP (Master, Class 1)
•• 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)
•• I/O Data: Configurable data exchange 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, status, error, and communication
ABB PFCA401SF 3BSE024387R4
Core Features & Customer ValueThe module’s PROFIBUS DP Master capability enables distributed control 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, making it suitable for both process automation and machine control applications.The comprehensive diagnostic capabilities provide detailed information about 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. The auto-baud rate detection feature simplifies network commissioning and troubleshooting.Typical ApplicationsIn automotive manufacturing, the PFCA401SF 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
