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
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