FC7551 | Infrastructure, 1-channel fieldbus card, SERCOS II, master, Mini PCI
The FC7551 Mini PCI Card brings fieldbus functionalities to the Industrial PC in a compact construction. The bus interface is not implemented on the fieldbus card, but separately in the respective housing (device-specific). The FC7551 is available for Beckhoff Industrial PCs with Mini PCI option. Like the standard PCI cards, the Mini PCI variants are specifically optimised for fast controllers and real-time tasks:
- All cycle times supported by SERCOS (from 62.5 µs) are possible.
- communication via SERCON 816 chip
- up to 254 devices
The power of the Fieldbus Cards can be most easily seen in combination with the TwinCAT software PLC and NC. But other applications also benefit from the intelligent PCI cards that handle the fieldbus protocol efficiently on their own processors. The Fieldbus Cards are optionally available with 128 kbyte NOVRAM.
Regular delivery (not recommended for new projects)
|PC interface||Mini PCI|
|Number of fieldbus channels||1|
|Data transfer rates||2, 4, 8, 16 Mbaud|
|Bus interface||device-specific in the respective Industrial PC housing|
|Cycle time||all cycle times supported by SERCOS interface (down to 62.5 µs)|
|Hardware diagnosis||device-specific in the respective Industrial PC housing|
|Dimensions||59.75 mm x 50.95 mm (type III A)|
|Operating temperature||0…+55 °C|
|Driver||TwinCAT I/O and higher levels|
|FC7551-0000||standard configuration (can only be ordered with a Beckhoff Industrial PC with Mini PCI option)|
|FC7551-0002||configuration with 128 kbytes NOVRAM (can only be ordered with a Beckhoff Industrial PC with Mini PCI option)|
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