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FM280

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KEBA FM280 is a SERCOS II master interface module for K-bus controller stations, providing a fiber-optic ring for up to 254 participants at 2 or 4 Mbit/s.
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Technical specifications for FM280

  • Manufacturer:
    KEBA
  • Part Number:
    FM280
  • Product Family:
    KEBA
  • Product Type:
    SERCOS II Master Interface Module
  • Stock:
    1
  • Fieldbus role:
    SERCOS II master
  • Physical medium:
    fiber-optic ring
  • Maximum participants:
    254
  • Supported data rates:
    2 or 4 Mbit/s
  • Modules per K-bus line:
    1 maximum
  • Permitted host position:
    attached to compatible CP controller modules
  • Plastic fiber distance:
    up to 50 m per transmitter-to-receiver link
  • Glass fiber distance:
    up to 250 m per link
  • Indicators:
    STATUS, TX and RX LEDs
  • Host behavior:
    passive module configured and activated by the controller
  • K-bus supply:
    24 VDC and 5 VDC
  • 5 V K-bus power consumption:
    1.4 W
  • 24 V K-bus power consumption:
    0 W
  • Operating temperature:
    +5 to +55 °C
  • Storage temperature:
    -40 to +70 °C
  • Humidity:
    10–95%, non-condensing
  • Dimensions:
    12 × 2.25 × 10 cm
  • Weight:
    0.13 kg
  • Tariff Code:
    8517629900
  • Country of origin:
    Austria
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals SERCOS Ring Fiber Links Host Setup Application
  • SERCOS II fiber-optic master interface
  • Up to 254 ring participants at 2 or 4 Mbit/s
  • STATUS, TX and RX indicators support diagnosis

FM280 provides the controller-side gateway to a deterministic SERCOS II ring.

Its fiber interface separates the control cabinet electrically while preserving ordered communication with drives and distributed devices.

Correct host placement, ring direction and the execution recorded in Revision are essential to a successful exchange.

Availability, condition, price, and shipping time for FM280 are confirmed during quotation.

KEBA FM280 SERCOS II Master Interface Module Manuals, Product Family, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Master role for the optical ring
  • Supports as many as 254 participants
  • Configurable for 2 or 4 Mbit/s
  • TX and RX form the ring path
  • Plastic fiber supports up to 50 m per link
  • Glass fiber supports up to 250 m per link
  • One module maximum per K-bus line
  • Install beside a supported CP controller
  • The controller project configures and activates the interface
  • SERCOS II drive rings
  • Fiber-connected motion systems
  • Legacy Kemro controller communication
Description
FM280 links a compatible controller station to a SERCOS II fiber-optic drive and I/O ring.

The module acts as the fieldbus master, supervises ring communication and provides separate status, transmit and receive indication for commissioning and diagnosis.

A replacement should remain adjacent to a supported CP controller, preserve the fiber order and data rate, and retain the host configuration that activates the passive interface.
Alternative Names
KEBA FM280 FM280 FM 280 KEBA FM280/A FM280/A FM 280/A
Technical notes
FM280 is a single-per-K-bus SERCOS II master supporting 254 ring participants at 2 or 4 Mbit/s, with fiber-link limits of 50 m plastic or 250 m glass.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can more than one KEBA FM280 be installed on the same K-bus line?
No. The documented arrangement permits only one module on a K-bus line, so expansion planning must respect that limit.
Where should KEBA FM280 be installed in the station?
It should be attached to a compatible CP controller module and is not intended to operate behind a bus-coupler module.
What should be recorded before disconnecting KEBA FM280 fiber cables?
Mark the transmit and receive fibers, ring direction, node order, connector condition, fiber type and the configured 2 or 4 Mbit/s data rate.
What does a red STATUS indication on KEBA FM280 mean?
It indicates initialization or bus communication trouble; inspect ring continuity, node power, data-rate agreement and host configuration.
How far can KEBA FM280 communicate over fiber?
The documented per-link limit is 50 m with plastic fiber or 250 m with glass fiber between a transmitter and the next receiver.
Does KEBA FM280 start the SERCOS ring by itself after power-up?
The interface is passive until the host controller configures and activates it, so the approved controller project must be available.
How should KEBA FM280 be accepted after replacement?
Verify STATUS, TX and RX behavior, confirm every ring participant reaches the expected phase and test controlled motion and diagnostics before production.

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