ABB M2304 User manual

VER:1.0 ││31.03.2014
ABB-Welcome M
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M2304
Video distributor
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ABB
-Welcome
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1Safety..........................................................................................................3
2Intended use................................................................................................3
3Environment................................................................................................3
3.1 ABB devices .....................................................................................3
4Operation....................................................................................................5
4.1 Control elements...............................................................................5
4.2 Operatingmodes ..............................................................................5
5Technical data.............................................................................................7
6Mounting / Installation..................................................................................8
6.1 Requirements for the electrician.........................................................8
6.2 General installation instructions.........................................................9
6.3 Mounting.........................................................................................10
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ABB
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1Safety
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Warning
Electric voltage!
Risk of death and fire due to electrical voltage of 100-240 V.
– Work on the 100-240V supply system may only be performed by
authorised electricians!
– Disconnect the mains power supply prior to installation and/or
disassembly!
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2Intended use
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The M2304 video distributor is an integral part of the ABB Welcome M door
communication system and operates exclusively with components from this system.
Device M2304 can be mounted easily inside flush-mounted box, or surface mounted on
the wall by one screw.
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3Environment
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Consider the protection of the environment!
Used electric and electronic devices must not be disposed of with
domestic waste.
– The device contains valuable raw materials which can be recycled.
Therefore, dispose of the device at the appropriate collecting
depot.
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3.1 ABB devices
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All packaging materials and devices from ABB bear the markings and test seals for
proper disposal. Always dispose of the packaging material and electric devices and their
components via the authorized collecting depots and disposal companies.

ABB
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ABB products meet the legal requirements, in particular the laws governing electronic and
electrical devices and the REACH ordinance.
(EU-Directive 2002/96/EG WEEE and 2002/95/EG RoHS)
(EU-REACH ordinance and law for the implementation of the ordinance (EG)
No.1907/2006)

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4Operation
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4.1 Control elements
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Fig. 1: Overview of control buttons
No. Functions
1Bus in/out
24 outputs for indoor stations or risers
For details see “Operating modes”.
3Terminal resistor ON / OFF.
In video installations or combined audio- and video- installations, the
switch must be set as 'RC on' at the last device of the line.
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1
2
3

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4.2 Control elements
A. In a building, a video distributor divides the video signal into 4 branches in
connection with the indoor stations.
B. For a residential complex, the video distributor can be used to divide the video signal
into 4 risers.

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5Technical data
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Designation Value
Operating temperature -25° C to +55° C
Storage temperature -40° C – +70° C
Protection IP 20
Single-wire clamps 2 x 0.28 mm² – 2 x 1 mm²
Fine-wire clamps 2 x 0.28 mm² – 2 x 1 mm²
Bus voltage 20-30 V
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ABB
-Welcome
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6Mounting / Installation
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Warning
Electric voltage!
Risk of death and fire due to electrical voltage of 100-240 V.
– Low-voltage and 100-240 V cables must not be installed together in
a flush-mounted socket!
In case of a short-circuit there is the danger of a 100-240 V load on
the low-voltage line.
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6.1 Requirements for the electrician
Warning
Electric voltage!
Install the device only if you have the necessary electrical engineering
knowledge and experience.
• Incorrect installation endangers your life and that of the user of the
electrical system.
• Incorrect installation can cause serious damage to property, e.g.
due to fire.
The minimum necessary expert knowledge and requirements for the
installation are as follows:
• Apply the "five safety rules" (DIN VDE 0105, EN 50110):
1. Disconnect from power;
2. Secure against being re-connected;
3. Ensure there is no voltage;
4. Connect to earth;
5. Cover or barricade adjacent live parts.
• Use suitable personal protective clothing.
• Use only suitable tools and measuring devices.
• Check the type supply network (TN system, IT system, TT system)
to secure the following power supply conditions (classic connection
to ground, protective earthing, necessary additional measures,
etc.).
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ABB
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6.2 General installation instructions
• Terminate all branches of the wiring system via a connected bus device (e.g., indoor
station, outdoor station, system device).
• Do not install the system controller directly next to the bell transformer and other
power supplies (to avoid interference).
• Do not install the wires of the system bus together with 100-240 V wires.
• Do not use common cables for the connecting wires of the door openers and wires of
the system bus.
• Avoid bridges between different cable types.
• Use only two wires for the system bus in a four-core or multi-core cable.
• When looping, never install the incoming and outgoing bus inside the same cable.
• Never install the internal and external bus inside the same cable.

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6.3 Mounting
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Device M2304 can be easily mounted in the flush-mounted box or surface mounted on the
wall by a screw.
Mounted with flush-mounted box
Mounted on the wall
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ABB
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Notice
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We reserve the right to at all times make technical changes as well as changes to the
contents of this document without prior notice.
The detailed specifications agreed to at the time of ordering apply to all orders. ABB
accepts no responsibility for possible errors or incompleteness in this document.
We reserve all rights to this document and the topics and illustrations contained therein.
The document and its contents, or extracts thereof, must not be reproduced, transmitted
or reused by third parties without prior written consent by ABB.