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Lon-bus devices, Features, Lon-bus as stub line – Siemens FC700A User Manual

Page 45: See chapter 18), Details see chapter 18, 18 lon-bus devices, 1 features, 2 lon-bus as stub line

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LON-Bus devices

45

Siemens Building Technologies

007836_a_en_--.doc

Fire & Security Products

03.2004


18 LON-Bus

devices

18.1 Features

Activation via local communication Bus 'LON'

4 different types of device available

B3Q580

=

Text display terminal

B3Q590/595 =

Text control terminal

K3I050

=

LON/Mimic Display converter

K3I110

=

LON I/O card

Connection via I-Bus/LON module E3I040 (converter between I-Bus and LON-
Bus)

The function 'LON-Bus' is possible once per station type 'FC' and 'FT'

Max. 32 devices per LON-Bus (device type can be mixed as required)

Monitored two-wire-Bus without loop line function

All devices require a separate feed line from E3I040

Wiring of the LON-Bus

As 'stub line' up to 1000m (without T-branches)

As 'free topology' up to 500m (length of line to all devices added) with 'MICC'
as 'stub line'.... 700m / as 'free topology'... 300m

With special cable (Belden 85102 or 8471) and as 'stub line' up to 2700m

Only possible via twisted line (10 turns per meter)

CPU-overlapping functions possible

B3Q59x: bottom three LEDs are pluggable. Allows application with different LED
colour

18.2 LON-Bus as stub line

E3I040

Z3I1050

24VDC

FC/FT

B3Q700

I-Bus

K3I050

B3Q580

B3Q590/

595

LON-Bus

E3I040

K3I110

(not monitored)

Data bus

K3R072

or

B3R051

K3R072

or

B3R051

max. length of LON-Bus 1000m

E3I040

Z1B070

24VDC

Z1K030

Details K3R072 see page 43

Details B3R051 see page 29