2N Lift8 Manuale breve - Pagina 4
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Configuration of adress
Configure the splitter address for the given lift using a 10-position switch 0–9 (see the
figure). Configure lift 2–8 as 2–8 (set the switch to position 5 for lift 5, e.g.).
Warning
Do not configure the splitter address as 0, 1 and 9 or the system will report a
fault
Address 1 is use by the central unit
Audio units connection
Connect up to 5 audio units to each splitter. As the splitter has only 3 audio unit terminals,
connect 1–2 audio unit in parallel. Remove the slide-on terminals from the audio
unit connectors and connect the twin-wire. Adhere to polarity to avoid the audio
unit error. Refer to the schemes printed on the splitter and audio unit for connection
polarity.
Requirements
Connect up to 2 audio units to one terminal.
With multi-strand cables, always use a pair of wires which match each other. In
standard UTP cables the paired wires are twisted around each other.
With special cables (to the cabin), use the neighbouring wires and make sure that
the nearest surrounding wires do not radiate interference (power wire, video signal
etc.).
Recomendation
Do not run the bus near power wires, especially long sections.
Branch the bus to shorten the total length of sections.
Warning
The bus is electrically isolated from the telephone line circuits according to the
EN60950 standard requirements and its low voltage cannot cause any
electrical accident.
Lift blocking function connection
Lift blocking is enabled by the contact breaking (opening) when there is a telephone line
(PSTN, GSM, UMTS, VoIP) fault or if the 2N
Connect the contact to the relevant input of the control electronics of the lift/group of lifts.
The control electronics must ensure that, after the contact opening, the lifts in operation
go down to the nearest station and the doors open.
Caution
This function may be mandatory depending on the regulations applicable for
the given country and time of installation.
Termination resistance
Caution
Find the 3-pin termination resistance connecting jumper between the main bus
connector and lift number switch.
Connect the jumper to the first and last device (CU, splitter or I/O module) on the bus.
Refer to the CU describing section for more details on termination resistance mounting.
By default, the termination resistance jumper is off.
®
Lift8 rechargeable batteries are almost flat.
2