Elsner elektronik KNX R Guide

Installation and Adjustment

Elsner Elektronik GmbH Control and AutomationTechnology

Herdweg 7

D – 75391 Gechingen Phone +49 (0) 70 56 / 93 97-0 info@elsner-elektronik.de

Germany Fax +49 (0) 70 56 / 93 97-20 www.elsner-elektronik.de

KNX R

Rain Sensor

1 Content

Elsner Elektronik GmbH • Herdweg 7 • D-75391 Gechingen • Germany

Rain Sensor KNX R • from software version 1.00, ETS programme version 1.1

Status: 20.08.2013 • Errors excepted. Subject to technical changes.

1. Description ........................................................................................... 3

1.1. Technical specifications ........................................................................................... 3

2. Installation and commissioning ........................................................... 4

2.1. Installation notes ...................................................................................................... 4

2.2. Location ..................................................................................................................... 4

2.3. Mounting the sensor ................................................................................................ 5

2.3.1. Attaching the mount ..................................................................................... 5

2.3.2. View of rear side and drill hole plan ........................................................... 7

2.3.3. Preparing the sensor .................................................................................... 8

2.3.4. PCB Layout .................................................................................................... 9

2.3.5. Mounting the sensor .................................................................................. 10

2.4. Notes on mounting and commissioning .............................................................. 11

3. Addressing of the device at the bus .................................................. 11

4. Maintenance ....................................................................................... 12

5. Transmission protocol ....................................................................... 13

5.1. Listing of all communication objects .................................................................... 13

6. Setting of parameters ........................................................................ 15

6.1. General settings ..................................................................................................... 15

6.2. Logic ........................................................................................................................ 16

6.2.1. AND Logic 1 / 2 / 3 / 4 .................................................................................. 17

6.2.2. Linkage inputs of AND logic ...................................................................... 18

6.2.3. OR Logic 1 / 2 / 3 / 4 .................................................................................... 18

6.2.4. Linkage inputs of OR logic ......................................................................... 18

2 Clarification of signs

This manual is amended periodically and will be brought into line with new software

releases. The change status (software version and date) can be found in the contents footer.

If you have a device with a later software version, please check

www.elsner-elektronik.de in the menu area "Service" to find out whether a more up-to-

date version of the manual is available.

Clarification of signs used in this manual

Installation, inspection, commissioning and troubleshooting of the device

must only be carried out by a competent electrician.

Safety advice.

Safety advice for working on electrical connections, components,

etc.

DANGER! ... indicates an immediately hazardous situation which will lead to

death or severe injuries if it is not avoided.

WARNING! ... indicates a potentially hazardous situation which may lead to

death or severe injuries if it is not avoided.

CAUTION! ... indicates a potentially hazardous situation which may lead to

trivial or minor injuries if it is not avoided.

ATTENTION! ... indicates a situation which may lead to damage to property if it is

not avoided.

ETS In the ETS tables, the parameter default settings are marked by

underlining.

3 Description

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

1. Description

The Rain Sensor KNX R registers precipitation and transfers the status to the KNX

system. One switching output as well as AND and OR logic gates are available. The

sensor system, the evaluation electronics and the electronics of the bus connection are

mounted in a compact housing.

Functions:

•Precipitation perception: The surface of the sensor is heated so that only

drops and flakes are recognised as precipitation but not fog or dew. If it stops

raining or snowing, the sensor dries quickly and the precipitation message

ends

•1 switching output

•4 AND and 4 OR logic gates with each 4 inputs. Every switching incident as

well as 8 logic inputs (in the form of communication objects) may be used as

inputs for the logic gates. The output of each gate may optionally be configured

as 1 bit or 2 x 8 bits

Configuration is made using the KNX software ETS. The programme file (format VD),

the data sheet and the manual can be downloaded from the Elsner Elektronik

homepage on www.elsner-elektronik.de in the “Service” menu.

1.1. Technical specifications

Housing Plastic material

Colour White/translucent

Mounting On-wall

Protection category IP 44

Dimensions approx. 96 × 77 × 118 (W × H × D, mm)

Weight 230 V AC version: approx. 240 g,

24 V DC version: approx. 170 g

Ambient temperature Operation -30…+50°C,

Storage -30…+70°C

Operating voltage Available for 230 V AC or 24 V DC (20 V AC).

An appropriate power supply unit can be obtained from

Elsner Elektronik.

Cable cross-section Massive conductors of up to 1.5 mm² or conductors

with fine wires

Current 230 V AC version max. 20 mA,

24 V DC version max. 100 mA,

Residual ripple 10%

Data output KNX +/- bus terminal plug

BCU type Own micro controller

PEI type 0

Group addresses max. 254

Allocations max. 255

4 Installation and commissioning

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

The product conforms with the provisions of EC guidelines

• EMC Directive 2004/108/EC

• Low Voltage Directive 2006/95/EC

The following standards and/or technical specifications have been applied:

• EN 50491-5-1: 2010

• EN 50491-5-2: 2011

2. Installation and commissioning

2.1. Installation notes

Installation, testing, operational start-up and troubleshooting should

only be performed by an electrician.

DANGER!

Risk to life from live voltage (mains voltage)!

There are unprotected live components within the device.

• National legal regulations are to be followed.

• Ensure that all lines to be assembled are free of voltage and take

precautions against accidental switching on.

• Do not use the device if it is damaged.

• Take the device or system out of service and secure it against

unintentional use, if it can be assumed, that risk-free operation is no

longer guaranteed.

The device is only to be used for its intended purpose. Any improper modification or

failure to follow the operating instructions voids any and all warranty and guarantee

claims.

After unpacking the device, check it immediately for possible mechanical damage. If it

has been damaged in transport, inform the supplier immediately.

The device may only be used as a fixed-site installation; that means only when assem-

bled and after conclusion of all installation and operational start-up tasks and only in

the surroundings designated for it.

Elsner Elektronik is not liable for any changes in norms and standards which may occur

after publication of these operating instructions.

2.2. Location

Select an assembly location at the building where precipitation may be collected by the

sensor unobstructedly. Do not assemble any construction components above the sen-

Communication objects 34

Heating rain sensor approx. 1,2 W (230 V and 24 V)

5 Installation and commissioning

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

sor from where water may drop on to the rain sensor after it has stopped raining or

snowing.

2.3. Mounting the sensor

2.3.1. Attaching the mount

The sensor comes with a combination wall/pole mount. The mount comes adhered by

adhesive strips to the rear side of the housing. Fasten the mount vertically onto the wall

or pole.

Fig. 1

The rain sensor must be mounted onto a ver-

tical wall (or pole).

Wall

pole

Fig. 2

The rain sensor must be mounted horizontal-

ly in the lateral direction.

Horizontal

Fig. 3

When wall mounting: flat side on wall, crescent-

shaped collar upward.

Collar

6 Installation and commissioning

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

Fig. 4

When pole mounting: curved side on pole, collar

downward.

Collar

Fig. 5

Different mounting arms are available from El-

sner Elektronik as additional, optional accesso-

ries for flexible installation of the weather station

on a wall, pole or beam.

Example of the use of a mounting arm: Due to

flexible ball joints, the sensor can be brought

into ideal position.

Fig. 6

Example use of the hinge arm mounting:

With the hinge arm mounting, the weather sta-

tion projects from beneath the roof overhang.

Sun, wind and precipitation can act upon the

sensors without hindrance.

Fig. 7

Example use of the hinge arm mounting:

Fitting to a pole with worm drive hose clips

7 Installation and commissioning

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

2.3.2. View of rear side and drill hole plan

Langloch 7,5 x 5 mm

Fig. 8 a+b

Drill hole plan

Dimensions of rear side of

housing with bracket. Sub-

ject to change for technical

enhancement.

8 Installation and commissioning

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

2.3.3. Preparing the sensor

The sensor cover snaps in on the left and right along the bottom edge (see Fig.). The

cover of the 230V model is also screwed on top. Remove the cover. Proceed carefully,

so as not to pull off the wire connecting the PCB in the bottom part with the rain sensor

in the cover (soldered cable connection in case of 230 V AC version, cable with plug in

case of 24 V DC version).

Push the bus connection cable through the rubber seal on the bottom of the sensor and

connect bus +/- to the provided clamps.

For 24V devices the connection cable must be plugged in between the cover and circuit

board.

Fig. 9

1 Screw-on cover (230V

device)

2 Cover with rain sensor

3) Cover Snaps

4 Bottom part of housing

Unsnap cover and

remove upwards

Fig. 10

Remove the cable shielding under the circuit

board and only feed the connector cables up-

wards through the openings in the circuit

board.

9 Installation and commissioning

Rain Sensor KNX R • Status: 20.08.2013 • Technical changes reserved. Errors reserved.

2.3.4. PCB Layout

230 V AC version

Fig. 11

1) Cable connection to the rain

sensor in the housing cover

2) Opening for the cable for the

voltage supply

3) Tension clamp for voltage

supply (230 V AC), suitable for

massive conductors of up to

1.5 mm² or conductors with

fine wires

4) Slot for KNX clamp +/-

5 Opening for the bus cable

6) Programming pushbutton for

the teach-in of the device

7) Programming LED

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