Catec WSC11 Bedienungsanleitung

Weather Station Compact WSC11

Instruction for Use

4.9056.10.00x, 4.9056.10.701, 4.9056.10.801

from software version V3.00 Status: 03/2021

Dok. No. 021774/10/21

T H E W O R L D O F W E A T H E R D A T A

MEETINSTRUMENTATIE

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Safety Instructions

•Before operating with or at the device/product, read through the operating instructions.

This manual contains instructions which should be followed on mounting, start-up, and operation.

A non-observance might cause:

- failure of important functions

- endangerment of persons by electrical or mechanical effect

- damage to objects

•

Mounting, electrical connection and wiring of the device/product must be carried out only by a qualified

technician who is familiar with and observes the engineering regulations, provisions and standards ap-

plicable in each case.

•Repairs and maintenance may only be carried out by trained staff or Adolf Thies GmbH & Co. KG.

Only components and spare parts supplied and/or recommended by Adolf Thies GmbH & Co. KG

should be used for repairs.

•Electrical devices/products must be mounted and wired only in a voltage-free state.

•Adolf Thies GmbH & Co KG guarantees proper functioning of the device/products provided that no

modifications have been made to the mechanics, electronics or software, and that the following points

are observed:

•All information, warnings and instructions for use included in these operating instructions must be

taken into account and observed as this is essential to ensure trouble-free operation and a safe condi-

tion of the measuring system / device / product.

•The device / product is designed for a specific application as described in these operating instructions.

•The device / product should be operated with the accessories and consumables supplied and/or rec-

ommended by Adolf Thies GmbH & Co KG .

•Recommendation: As it is possible that each measuring system / device / product may, under certain

conditions, and in rare cases, may also output erroneous measuring values, it is recommended using

redundant systems with plausibility checks for security-relevant applications.

Environment

•As a longstanding manufacturer of sensors Adolf Thies GmbH & Co KG is committed

to the objectives of environmental protection and is therefore willing to take back all

supplied products governed by the provisions of "ElektroG" (German Electrical and

Electronic Equipment Act) and to perform environmentally compatible disposal and

recycling. We are prepared to take back all Thies products concerned free of charge if

returned to Thies by our customers carriage-paid.

•Make sure you retain packaging for storage or transport of products. Should packag-

ing however no longer be required, please arrange for recycling as the packaging ma-

terials are designed to be recycled.

Documentation

•Although these operating instructions have been drawn up with due care, Adolf Thies GmbH & Co

KG can accept no liability whatsoever for any technical and typographical errors or omissions in this

document that might remain.

•We can accept no liability whatsoever for any losses arising from the information contained in this doc-

ument.

•Subject to modification in terms of content.

•The device / product should not be passed on without the/these operating instructions.

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Table of contents

1Device Versions.............................................................................................................. 5

2Application...................................................................................................................... 5

3Setup and Mode of Operation......................................................................................... 6

4Installation and Selection of Installation Site ..................................................................10

4.1 Selection of installation site .....................................................................................10

4.2 Mechanical Mounting...............................................................................................10

4.2.1 North Alignment ................................................................................................12

4.3 Electrical Mounting..................................................................................................12

4.3.1 Cable, Cable Preparation, Connector Installation..............................................12

4.4 Connecting Diagram................................................................................................14

4.4.1 Connection using 5-core cable 510023 / 510024 / 510197 optional accessory..14

4.4.2 Connection using 8-core cable 509584 / 509585 optional accessory ................15

5Maintenance..................................................................................................................15

6Interface.........................................................................................................................16

6.1 Command Interpreter THIES...................................................................................16

6.1.1 Data Telegrams ................................................................................................18

6.2 Command Interpreter MODBUS RTU......................................................................22

6.2.1 Measuring Values (Input Register)....................................................................23

6.2.2 Commands (Holding Register)..........................................................................28

6.3 Commands and Description ....................................................................................29

6.3.1 Command AI.....................................................................................................30

6.3.2 Command BR ...................................................................................................30

6.3.3 Command CI.....................................................................................................31

6.3.4 Command DC ...................................................................................................31

6.3.5 Command DO...................................................................................................32

6.3.6 Command FB....................................................................................................32

6.3.7 Command FW...................................................................................................33

6.3.8 Command HP ...................................................................................................33

6.3.9 Command ID.....................................................................................................34

6.3.10 Command KY ................................................................................................34

6.3.11 Command LC.................................................................................................35

6.3.12 Command RS ................................................................................................35

6.3.13 Command SF.................................................................................................36

6.3.14 Command SH ................................................................................................36

6.3.15 Command SV ................................................................................................37

6.3.16 Command TR ................................................................................................37

6.3.17 Command TT.................................................................................................37

6.3.18 Command TZ.................................................................................................38

7LED Signals...................................................................................................................39

8Specifications.................................................................................................................40

9Dimensional Drawing.....................................................................................................43

10 Accessories (optional)....................................................................................................44

11 More Information / Documents as download..................................................................44

12 EC-Declaration of Conformity ........................................................................................45

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Tables

Table 1 : Status Word...........................................................................................................19

Table 2 : Measured Value Telegram.....................................................................................21

Table 3 : Sensor Data Telegram...........................................................................................22

Table 4 : MODBUS Frame ...................................................................................................22

Table 5: MODBUS Exceptions .............................................................................................23

Table 6 : MODBUS Input Register........................................................................................27

Table 7 : List of Commands..................................................................................................29

Figures

Figure 1: elevation angle....................................................................................................... 6

Figure 2: Diagram, evaluation characteristic position of the sun............................................ 7

Figure 3: LED signals...........................................................................................................39

Figure 4: Spectrum of Brightness Sensors ...........................................................................42

Figure 5: Spectrum for Global Irradiance Sensor..................................................................43

Instructions for use

These instructions for use describe all application and adjustment options for the device.

These detailed instructions allow users to modify the factory settings to their needs via the

serial interface of the Weather Station Compact WSC11.

Scope of supply

1 Weather Station Compact WSC11.

1 Copy of the short instructions for uses.

The instructions for use are available for download under the following link:

https://www.thiesclima.com/db/dnl/4.9056.10.x0x_WSC11_eng.pdf

For assisting the parameter settings and/or special configurations there is our cost-free De-

vice Utility Tool art.-no. 9.1700.81.000 available for download on our homepage. Please

download the tool with following link.

Link: https://www.thiesclima.com/de/Download/

In the section "General", the program "Thies Device Utility".

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1 Device Versions

Designation Order No. Output

terminal

Data format Operating

voltage

WEATHER STATION

COMPACT WSC11 4.9056.10.000 1 x RS485 Data in ASCII format (command

interpreter: THIES) 18...30V DC

18...28V AC

WETTERSTATION

COMPACT WSC11 4.9056.10.001 1 x RS485 Data in binary format (command

interpreter: MODBUS RTU) 18...30V DC

18...28V AC

WETTERSTATION

COMPACT WSC11

4.9056.10.701 Identical to 4.9056.10.001 with following special settings:

ID10

WETTERSTATION

COMPACT WSC11 4.9056.10.801 Identical to 4.9056.10.001 with following special settings:

BR=192, ID =30, TT=0, SH= 3001

2 Application

The WEATHER STATION COMPACT WSC11 is designed for use in building services auto-

mation systems (e.g. shade protection control). The WSC11 features the following measured

variables:

•Wind speed.

•Wind direction.

•4 x brightness (north / east / south / west).

•Twilight.

•Global irradiance.

•Precipitation.

•Air temperature.

•Absolute air pressure.

•Relative air pressure.

•Time / date.

•Geostationary data (local altitude, longitude and latitude).

•Position of the sun (elevation / azimuth).

•Relative air humidity.

•Absolute humidity.

•Dew-point temperature.

•Inside temperature of housing.

The interface to the device is digital and consists of an RS485 interface in half-duplex mode.

Together with ID-based communications the interface allows the Weather Station to be oper-

ated in a bus. Two data protocols are available:

•ASCII (THIES- format).

•Binary (MODBUS RTU).

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3 Setup and Mode of Operation

Wind Speed / Wind Direction

Wind measurement is based on the hot wire principle. The underside of the housing is

equipped with a heated cylindrical sensor. A PID controller adjusts the temperature of the

cylinder to a temperature that is constantly increased in relation to the environment. The sup-

plied heat energy is a measure of wind speed.

The metal cylinder contains four temperature-measuring resistors. These resistors are ther-

mally coupled with the cylinder and positioned according to the 4 points of the compass.

When an incident flow affects the cylinder as a function of the wind direction, this is accom-

panied by a temperature gradient which is registered by the measuring resistors. The rela-

tionships between the 4 temperature values are used to calculate the wind direction.

In case the wind direction cannot be determined because the wind velocity is 0m/s, the value

is set to 0. Wind from the north is displayed with 360°.

Brightness

The brightness measurement is carried out via 4 Silicium photo sensors, which are aligned to

the 4 cardinal directions in the mean elevation angle. Please see figure 1. The evaluation

characteristic depending on the position of the sun, please see figure 2 (diagram).

Figure 1: elevation angle

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Figure 2: Diagram, evaluation characteristic position of the sun

Please see additional Figure 4: Spectrum of Brightness Sensors

Twilight

Twilight means the light diffusion in the atmosphere, which arises with the smooth transition

between day and night before the beginning or after the end of day.

i.e., the solar disc is not visible.

The twilight is direction-independent.

It is calculated from the sum of the 4 measuring values of the direction-independent bright-

ness sensors.

A change to the mean value from the 4 brightness values is possible by command.

Global irradiance

A silicon PIN photodiode is used to measure global irradiance. The sensor is positioned hori-

zontally and registers the diurnal values of the solar irradiation intensity.

Please see additional Figure 5: Spectrum for Global Irradiance Sensor.

Precipitation

The detection of precipitation is based on capacitance measurement, i.e. the capacity of the

sensor surface varies when wet. The sensor is installed in the housing cover. An integrated

heating system adjusts the sensor area to an overtemperature in relation to the ambient tem-

perature. This overtemperature (approx. 2K) prevents bedewing of the sensor surface. The

thermal output is increased with precipitation. This accelerates drying of the sensor, allowing

the time at which precipitation ended to be identified more accurately.

Air temperature

A PT1000 measuring resistor is used to measure the air temperature. The sensor is mounted

on a flexible printed board and positioned in the lower section of the housing.

Air pressure

Absolute air pressure is measured with a piezoresistive MEMS sensor.

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To make a meaningful comparison between air pressure values simultaneously measured at

different locations, they need to be converted to a common datum (height above sea

level). The calculation is referred to the height above sea level (QNH) according to the inter-

national altitude formula (DIN ISO2533).

Ph= air pressure at local altitude

Pb= air pressure at height above sea level

= -0065K/m

gn= 9.80665m/s2

R = 287.05287m2/K/s2

Tb= 288.15K

The station height, required for the calculation, can be entered manually by the Command

SH, or can be determined automatically by GPS.

If you want to achieve an accuracy of 0.1hPa, referred to sea level, the local altitude (altitude

of the baro transmitter) must be given up to an accuracy of 0.8m.

bhphp

⋅

−

⋅+=

)1()(

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Time / date and geostationary data

The Weather Station has a GPS receiver with a built-in RTC. This allows it to receive the po-

sition of the Weather Station (degree of longitude/latitude, local altitude) time (UTC) and

date. The GPS receiver does not needs alignment.

The built-in RTC (Real Time Clock) is buffered with a backup capacitor and retains its data

without a voltage supply for a period of minimum 3 days.

Position of the sun (elevation / azimuth)

On the basis of the GPS data the current sun position is calculated every second.

Humidity measurement

A built-in hygro-thermosensor is used to measure humidity levels. The sensor has a small air

exchange volume thanks to its compact design and responds to changes in humidity in sec-

onds.

A software module uses the relative humidity and air temperature to calculate absolute hu-

midity and the dew-point temperature.

Inside temperature of housing

A silicon temperature sensor measures the temperature inside the housing.

GPS-Receiver

The weather station has a GPS receiver with integrated RTC (Real Time Clock) for receiving

the position of the weather station, and time + date (UTC).

An alignment of the GPS receiver is not necessary.

The integrated RTC is buffered for a period of 3 days.

General information:

After activation of the WSC11 the first satellite data are available after approx. 2.5min.

When receiving the signals from one satellite: time with an accuracy of < 1µs.

When receiving the signals from three satellites: position with an accuracy of <

20m

When receiving the signals from four satellites: altitude, referred to the WGS84-

ellipsoid, with an accuracy < 30m

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4 Installation and Selection of Installation Site

Please note:

The working position of the COMPACT WSC11 Weather Station is horizontal

(plug connection underneath).

During installation, de-installation, transport or maintenance of the

COMPACT WSC11 Weather Station make sure that no water gets into the de-

vice and connector.

4.1 Selection of installation site

An exposed position should be selected for this site. Measurement properties should not be

influenced by light reflections, cast shadows or the device being positioned in the lee of the

wind. Protection against lightning and overvoltages should also be provided by the customer.

4.2 Mechanical Mounting

The intended installation of the Weather Station WSC11 requires the use of a pipe socket /

pipe with an outside diameter of ≤25mm. The inside diameter must be ≥19mm to admit

the connector and cable.

Tool:

Hexagon socket wrench SW2mm

(socket wrench).

Procedure:

1. Push cable/plug connection

through the bore hole of the mast,

tube, bracket etc.

2. Put WSC11 on mast, tube.

3. Align WSC11 to “north”. (Proce-

dure see chapter 4.2.1).

4. Secure WSC11 by the M4- hexa-

gon socket screw.

Attention:

The hexagon socket screw is

to be tightened by max.

0.6Nm.

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