esera automation 11112 Gebruikershandleiding - Pagina 2
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Brightness sensor
The brightness sensor is used for the measurement of low light values and for sunrise and sunset detection. For
example, blinds can be opened or closed in the morning and evening.
A special photodiode, with a human-like detection light spectrum, converts the ambient brightness to an analog
voltage value.
The evaluation script converts the output voltage value to the current brightness value in lux and outputs a variable
for day / night control, e.g. for roller shutter control.
2.3
Temperature sensor
The solar Multisensor contains a temperature sensor that measures the temperature felt in the sun. Depending on
the weather conditions, the temperature values can deviate greatly from those measured near the ground. By
mounting the temperature sensor inside the housing, short-term falsifications of measured values due to draughts
or gusts of wind are greatly reduced.
With the temperature sensor, comparative temperature values for mounted PV modules can be easily recorded and
used to calculate the possible power reduction and plausibility check.
Depending on the installation location, the sensor can also be used as an outdoor temperature sensor. For the
exact recording of the normal outdoor temperature we recommend our 1-Wire temperature sensor waterproof, Art.
No. 11111 or the 1-Wire Multisensor Temperature, Humidity and Brightness, Art. No. 11135.
3
Technical data
1-Wire chip/device
Solar sensor
Detection range:
Functions DS2438:
Brightness sensor
Detection range:
Functions DS2438:
Temperature sensor
Interface:
Operating voltage:
Current consumption:
Connection:
4
Ambient conditions
Protection type:
Protection class:
Temperature, Operation: -40°C to +85°C
Humidity:
Dimensions:
Housing color:
Housing material:
5
Conformity
EN 50090-2-2,
EN 61000-4-2 ESD,
EN 61000-4-3 HF,
EN 61000-4-4 Burst,
EN 61000-4-5 Surge,
EN 61000-6-1 Fault-free operation,
EN 61000-6-3 Stray radiation,
RoHS
6
Software
The solar multisensor is read by 1-Wire commands for DS2438 device and supported by many software programs
and devices, such as Loxone SPS, WAGO SPS (via OWOS), OWFS, FHEM (Linux), IP-Symcon or microcontroller
applications.
Assignment of DS2438 inputs: VDD = operating voltage (Volt), VAD = brightness (Volt), XSENS = irradiation (Volt).
Evaluation brightness sensor:
Brightness (Lux) = (VDD-VAD) * 700, example: (5V-1.25 V) * 700 = 2625 lux
Note: it should be noted that the sensor has a negative evaluation, which means approx. 5V equals darkness and
approx. 0V equals full lighting.
All rights reserved. Reproduction as well as electronic duplication of this guide, complete or in part, requires the written consent of ESERA-
Automation or E-Service GmbH. Errors and technical modification subject to change. ESERA-Automation, E-Service GmbH 2019
www.esera.de
1 x DS2438 (Multisensor)
Measuring range up to approx. 1200 W/m2 (converted approx. 1,000 - 70,000 lux)
PV measuring cell is a high-quality monocrystalline glass PV cell
+/-50° (for half sensitivity)
XSens, 0mV = darkness, resolution 10mV, 10 Bit
Measuring range 10 - approx. 7000 Lux,
Peak sensitivity 570 nm, light sensitivity similar to the human eye
+/-50° for half sensitivity
VAD, brightness value (5V = darkness), 0 - 5V, resolution 10mV, 10 Bit
Measuring range -50°C to +125°C, resolution 0.03125°C, 13 Bit
1-Wire Bus (5V, Data and Ground)
5 V= (+/-10%), resolution 10mV, 10 Bit
max. 2mA @ 5V (light sensor full scale)
Screwless pressure terminals for cables up to 1.5qmm cross-section
IP54
III
10 - 92% (non-condensing)
82 x 80 x 57mm (L x W x H) without cable gland
Light grey
ABS plastic (acrylonitrile-butadiene-styrene)
11112 V1.0 R1.0 Manual
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