FC3101-0000 Beckhoff
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The Beckhoff FC3101-0000 is part of the FC Lightbus Cards series and features a PCI interface with 32-bit PCI width. This device supports PROFIBUS DP, DP-V1, DP-V2, and MC fieldbus standards, and enables communication in Master or Slave Mixed modes. It provides one channel with galvanic isolation, supports up to 125 slaves per channel, and requires a supply voltage of 5 V.
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Product Description:
The FC3101-0000 is an interface card produced by Beckhoff for the FC Lightbus Cards series. Installed in an automation PC, the card operates as a PROFIBUS master or slave, allowing controllers to exchange cyclic process data with decentralized I/O, drives, and sensors on the factory floor. By adding this card, an industrial PC becomes an active node on a deterministic fieldbus network, allowing centralized software to supervise real-time machine sequences without additional external gateways.
The card connects to the motherboard through a PCI bus that uses a 32-bit data path, giving the host direct memory access with minimal latency. Its internal electronics draw only 5 V from the backplane, keeping power demand within the limits of compact control PCs. All field lines are galvanically isolated, which helps protect the computer from ground loops on long cable runs. Network wiring terminates on a single 9-pin D-sub connector; this port supports one channel that can run PROFIBUS DP, DP-V1, DP-V2, or Motion Control telegrams in a master/slave mixed topology. Two independent diagnostic LEDs report bus state and card activity, helping users verify communication without software tools.
The channel can address up to 125 slaves, and each slave may exchange as much as 244 bytes of cyclic user data, giving the system flexibility for complex modular stations. A process-image buffer of 3 kbytes maps total input and output data directly into PC memory, while a dedicated DPRAM of 4 kbytes per channel separates bus timing from CPU access. Because NOVRAM is omitted, startup parameters are stored in the host application rather than on the card. The board can be installed in different positions, and its single channel is monitored through two status LEDs so diagnostics remain straightforward in confined control cabinets.
Frequently Asked Questions about FC3101-0000:
Q: What kind of PC interface does the FC3101-0000 use?
A: The FC3101-0000 uses a PCI interface with 32-bit width for connections to your PC.
Q: What type of bus interface does the FC3101-0000 provide?
A: This card is equipped with a 1 x D-sub, 9-pin bus interface for fieldbus connections.
Q: Does the FC3101-0000 offer electrical isolation?
A: The FC3101-0000 features galvanic isolation for added electrical safety between circuit sections.
Q: How many diagnostic LEDs are present on the FC3101-0000?
A: There are two diagnostic LEDs on the FC3101-0000 for device and communication status indication.
Q: What is the maximum slave data limit handled by the FC3101-0000 per channel?
A: This model supports up to 125 slaves per channel and handles a maximum slave data size of 244 bytes.
