9
Technical data
9.1
In general
Power supply voltage:
24 V DC from K-Bus,
5 V DC from K-Bus.
Equipment class:
III in accordance with IEC 61131-2
Displays on the front panel:
LEDs for transmission and receipt and for the
status display
Max. number of FM 280/A that can be operated
on a CP module:
1
Max. power consumption K Bus 24 V:
1,4 W
Max. power consumption K Bus 5 V:
0 W
9.2
Environmental conditions
Operating temperature:
+5 °C to +55 °C
Storage temperature:
-40 °C to 70 °C
Relative humidity of air:
10 % to 95 % (non condensing)
Vibration resistance:
according to EN 61131-2:2007
Shock resistance:
according to EN 61131-2:2007
9.3
SERCOS II Interface
Data transmission rate:
2 MBit/s and 4 MBit/s; configurable per soft-
ware
Max. cable length (optical waveguide):
50 m with plastic fibers; 250 m with glass fiber
Transmitting/Receiving display:
Transmission LED, receival LED, status LED
Connection:
Optical waveguide module with screw joint
Galvanic isolation:
Yes, signaling lines
9.4
Dimensions
Footprint:
●
Module height:
120 mm
●
Mounting depth:
100 mm
●
Front panel width:
22,5 mm
●
Module width (incl. K-Bus plug):
32,5 mm
Weight:
130 g
Technical data
FM 280/A
© KEBA 2011
Project engineering manual V1.02
20
