FC5101-0000 Beckhoff
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The Beckhoff FC5101-0000 is a CANopen fieldbus interface card from the FC Lightbus Cards series. It supports both master and slave mode and provides a PCI interface with a galvanically decoupled 9-pin D-sub bus interface. The card operates at baud rates between 10 kbaud and 1 Mbaud and offers hardware diagnostics with two LEDs per channel.
Internal Product Review
The FC5101-0000 is a Beckhoff CANopen PCI fieldbus card built for clean system integration. Galvanically decoupled bus isolation and selectable master or slave mode make commissioning flexible and electrically stable. Support for baud rates up to 1 Mbaud is a strong advantage for responsive industrial communication.
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Product Description:
The FC5101-0000 is a Beckhoff fieldbus interface card in the FC Lightbus Cards series. Installed directly in a control PC, it functions as the communication endpoint that links the host system to distributed actuators and sensors on a CAN-based machine network. This allows the automation controller to exchange real-time process data with external nodes.
The card presents a 9-pin D-sub connector as its physical bus port, and the line is galvanically decoupled from the PC logic to block ground loops and transient surge currents. A selectable data rate spans from 10 kbaud up to 1 Mbaud, so the same hardware can serve long cable runs at low speed or high-speed local segments. Only one communication path is provided, which matches the card’s single-channel architecture. Host connectivity relies on a PCI interface, which supplies bus masters with direct memory access for low-latency transfers under TwinCAT I/O or newer driver layers. When network ends require proper line impedance, a 120 Ω termination resistor can be switched in by a board-mounted slider. No NVRAM is fitted, so parameter storage must reside in the controller.
The logical protocol handled on this interface is CANopen. Telegram formatting follows DS301 V4.01, while start-up behavior complies with DS302. Up to 3 kbyte input/output total can be mapped into the PLC process image, accommodating sizable PDO sets without forcing fragmented access. Diagnostic feedback is provided by two LEDs per channel that indicate bus state, error frames, and activity. Pin 9 of the connector may deliver or accept an auxiliary supply of up to 30 VDC for remote transceivers. The board can be configured as a master or as a slave, allowing it to initiate or respond to network traffic according to the plant topology.
