Danfoss VLT FC 100 Manual page 13

VLT® FC 100 LonWorks
4.1.4 Connect ing t he Bus Line
Connect bus wire NET A to terminal 79 and NET B to 80 of the terminal connector.
Term inal
NB!
* Not e: For free topology wiring the option is insensitive to the polarity of the bus-terminals.
NB!
* * Not e: Term. 61 (Drain) offers a RC-junction to ground and should not be used for grounding of shielded cable. Ground the shielded
cable at the de-coupling plate by removing cable insulation at contact point.
4.1.5 Max im um Cable Lengt hs
Net w ork t opology
Free topology without repeater
Free topology with one repeater
Free topology maximum device-to-device
Bus topology single terminated
Bus topology double terminated without repeater
Bus topology double terminated with one repeater
Bus topology maximum stub length
Use of the same cable type throughout the entire network is recommended in order to avoid impedance mismatch.
4.1.6 Syst em Specif icat ions
Up to 64 FT-X1/FTT-10 transceivers, are allowed per network segment.
NB!
Not e: The Free Topology LonWorks runs at 78 Kbps only.
79
80
61
®
MG.11.E2.02 - VLT is a registered Danfoss trademark
4 How to install
Connect ion
NET A*
NET B*
Drain**
Max im um cable lengt h
500 m
1000 m
500 m
500 m
2700 m
5400 m
3 m
4
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