elsner elektronik KNX R Guide
Installation and Adjustment
EN
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
Errors excepted. Subject to technical changes.
1. Description ........................................................................................... 3
1.1. Technical specifications ........................................................................................... 3
2. Installation and commissioning ........................................................... 4
2.1. Notes on installation ................................................................................................ 4
2.2. Location ..................................................................................................................... 5
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. Maintenance ....................................................................................... 11
4. Transmission protocol ....................................................................... 12
4.1. Listing of all communication objects .................................................................... 12
5. Setting of parameters ........................................................................ 14
5.1. General settings ..................................................................................................... 14
5.2. Logic ........................................................................................................................ 15
5.2.1. AND Logic 1 / 2 / 3 / 4 .................................................................................. 16
5.2.2. Linkage inputs of AND logic ...................................................................... 17
5.2.3. OR Logic 1 / 2 / 3 / 4 .................................................................................... 18
5.2.4. Linkage inputs of OR logic ......................................................................... 18
2 Content
Elsner Elektronik GmbH • Herdweg 7 • D-75391 Gechingen • Germany
Rain Sensor KNX R • from software version 1.00, ETS programme version 1.1
Errors excepted. Subject to technical changes.
3 Description
Rain Sensor KNX R • Date of issue: 05.11.2010 • 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
VD2), 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 20 V AC 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
4 Installation and commissioning
Rain Sensor KNX R • Date of issue: 05.11.2010 • Technical changes reserved. Errors reserved.
The following standards have been considered for the evaluation of the product in
terms of electro magnetic compatibility:
Transient emissions:
• EN 60730-1:2000 Section EMV (23, 26, H23, H26) (threshold category: B)
• EN 50090-2-2:1996-11 + A1:2002-01 (threshold category: B)
• EN 61000-6-3:2001 (threshold category: B)
Interference resistance:
• EN 60730-1:2000 Section EMV (23, 26, H23, H26)
• EN 50090-2-2:1996-11 + A1:2002-01
• EN 61000-6-1:2004
The product has been tested for the above mentioned standards by an accredited EMV
laboratory.
2. Installation and commissioning
2.1. Notes on installation
Warning, mains voltage!
National legal regulations are to be observed.
Installation, inspection, commissioning and troubleshooting of the
device must only be carried out by a competent electrician.
Disconnect all lines to be assembled, and take safety precautions against accidental
switch-on.
The device is exclusively intended for appropriate use. With each inappropriate change
or non-observance of the instructions for use, any warranty or guarantee claim will be
void.
After unpacking the device, check immediately for any mechanical damages. In case of
transport damage, this must immediately notified to the supplier.
If damaged, the device must not be put into operation.
If an operation without risk may supposedly not be guaranteed, the device must be put
out of operation and be secured against accidental operation.
The device must only be operated as stationary system, i.e. only in a fitted state and
after completion of all installation and start-up works, and only in the environment in-
tended for this purpose.
Allocations max. 255
Communication objects 34
Heating rain sensor approx. 1,2 W (230 V and 24 V)
5 Installation and commissioning
Rain Sensor KNX R • Date of issue: 05.11.2010 • Technical changes reserved. Errors reserved.
Elsner Elektronik does not assume any liability for changes in standards after publica-
tion of this instruction manual.
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-
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
or
pole
Fig. 2
The rain sensor must be mounted horizon-
tally in the lateral direction.
Horizontal
6 Installation and commissioning
Rain Sensor KNX R • Date of issue: 05.11.2010 • Technical changes reserved. Errors reserved.
Fig. 3
When wall mounting: flat side on wall, crescent-
shaped collar upward.
Collar
Fig. 4
When pole mounting: curved side on pole, collar
downward.
Collar
Fig. 5
An additional, optional accessory available from
Elsner Elektronik is an articulated arm for flexib-
le wall, pole or beam mounting of the sensor.
Fig. 6
Example uses of the hinge arm mounting: With
the hinge arm mounting, the sensor peeps out
from beneath the roof overhang.
7 Installation and commissioning
Rain Sensor KNX R • Date of issue: 05.11.2010 • Technical changes reserved. Errors reserved.
2.3.2. View of rear side and drill hole plan
Fig. 7
Example uses of the hinge arm mounting: Fit-
ting to a pole with worm drive hose clips
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 • Date of issue: 05.11.2010 • 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.). Re-
move 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 Cover with rain sensor
2) Cover Snaps
3 Bottom part of housing
2
3
Unsnap cover and
remove upwards
1
9 Installation and commissioning
Rain Sensor KNX R • Date of issue: 05.11.2010 • Technical changes reserved. Errors reserved.
2.3.4. PCB Layout
230 V AC version
Fig. 10
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
23
4
6
7
5
1
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