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AEM LAMBECHT METEO 00.95800.010000 Manual

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Manual
Data Logger met[LOG]
Id-No. 00.95800.010000
(incl. SD card)
The met[LOG] is a small serial 3.4 channel data logger with 3 serial interfaces, 4 analogue/digital inter-
faces and connection to LAN (Ethernet). The met[LOG] has an integrated web server, which allows for
calling and displaying data directly via a browser. Warnings and alarms can be called via the 4 digital
outputs.
Fast operation with serial LAMBRECHT sensors is activated by met[LOG]'s auto-configuration mode.

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Summary of Contents for AEM LAMBECHT METEO 00.95800.010000

  • Page 1 Manual Data Logger met[LOG] Id-No. 00.95800.010000 (incl. SD card) The met[LOG] is a small serial 3.4 channel data logger with 3 serial interfaces, 4 analogue/digital inter- faces and connection to LAN (Ethernet). The met[LOG] has an integrated web server, which allows for calling and displaying data directly via a browser.
  • Page 2 Features - Overview Connection of serial LAMBRECHT sensors • Parallel connection of up to 3 talker sensors (one per COM port) • • Connection of 4 analogue/digital sensors Temperature measurement via NTC temperature sensors Direct connection of sensors with Open Collector or Relay output Connection of sensors with voltage output Connection of LAMBRECHT precipitation sensors with impulse output •...
  • Page 3 Connectable sensors Following LAMBRECHT sensors can be connected with the met[LOG]. Serial sensors Via RS422 Talker (RS485) - NMEA: • EOLOS IND/MET ARCO • • WENTO IND/MET • Via RS485 – ASCII protocol, Talker or SDI-12: rain[e] • Additionally, the following LAMBRECHT sensors with voltage, frequency, impulse, and status output can be connected.

  • Page 4: Table Of Contents

    Table of Contents Quickstart / Commissioning ......................6 1.1. Installing and connecting the met[LOG] ..................6 1.2. Connection of serial LAMBRECHT sensors ................8 1.3. Auto configuration ........................15 1................................15 1.4.1. Award a firm IP address via SD card ................... 15 Firmware updates .........................
  • Page 5 9.2.1. Talker-Protocol rain[e] ......................48 9.2.2. SDI-12 on RS485 – rain[e] ....................48 9.3. Analogue Sensors ........................48 9.3.1. Sensors with voltage output ....................48 9.3.2. Sensors with a status output ....................48 9.3.3. Sensors with frequency output ....................49 9.3.4.

  • Page 6: Quickstart / Commissioning

    1. Quickstart / Commissioning The easiest and fastest commissioning is performed with the serial LAMBRECHT sensors: EOLOS-IND/-MET • ARCO • • WENTO-IND/-MET 24513 • • THP[pro] rain[e] • For these sensors, the met[LOG] has an auto-configuration feature. Once the sensors have been installed, the commissioning will be done following below steps: 1.) Connect the met[LOG] to the power supply and the network and insert the microSD card 2.) Connect the sensors to the met[LOG] 3.) Start configuration by pushing the concealed button on the met[LOG] front (cavity)
  • Page 7 To connect the met[LOG] to LAN, please use a commercially available Ethernet cable. For outdoor use, please make sure you apply materials that are approved accordingly, e.g. the power[cube] and UV-resistant cables. Upon delivery, the met[LOG] is configured to an assigned IP-address from the DHCP server automati- cally.

  • Page 8: Connection Of Serial Lambrecht Sensors

    Wiring of met[LOG] 1.2. Connection of serial LAMBRECHT sensors Installation of serial LAMBRECHT sensors is performed according to the appropriate sensor manual. Please read the appropriate sensor manual prior to operation with met[LOG]. Remark: Please note that the RS485 interfaces of met[LOG] are not decoupled/ isolated. In case of disruptions, a suitable galvanic separation has to be connected in front of the interfaces.
  • Page 9 Wiring diagram EOLOS...
  • Page 10 Wiring diagram ARCO-Modbus...
  • Page 11 Wiring diagram rain[e] Modbus...
  • Page 12 Connection example with power[cube] + met[LOG] + THP[pro] Modbus + ARCO-Modbus + rain[e] Modbus The use of the met[LOG] in combination with the power[cube] is enabled by mounting the data logger on a DIN profile rail inside the power[cube]. The following pictures show connection examples for met[LOG] stations with the power[cube].
  • Page 13 Connection example with power[cube] + met[LOG] + EOLOS-Modbus + rain[e] Modbus...
  • Page 14 Connection example with power[cube] + met[LOG] + u[sonic]...

  • Page 15: Auto Configuration

    1.3. Auto configuration In combination with the LAMBRECHT meteo sensors EOLOS, ARCO, THP[pro], and rain[e], the met[LOG] has an auto configuration function. Auto configuration is initiated by pushing the auto configuration button on the front side of the met[LOG]. Auto configuration is complete after approx. 5 – 8 minutes, depending on the number and the type of the connected sensors.

  • Page 16: Firmware Updates

    With these commands this is set: firm IP address “ipAddr”: 192.168.1.2 Subnet “maskAddr”: 255.255.255.0 Gateway “gwAddr”: 192.168.1.1 “DNS”: 192.168.1.1 This way, any other firm IP address can be awarded. ATTENTION! By manual assignment of IP addresses on a network please pay attention that per one network point only one device with this IP address is allowed.

  • Page 17: Configuration

    3. Configuration The met[LOG) can be configured via its integrated web page. The languages German (DE) and Eng- lish (EN) are available. It is possible to switch between the languages on any page of the met[LOG]. Each configuration page must be stored individually. Thus, the blue button with disk symbol must be pressed.
  • Page 18 General Here the name of the device can be changed, by which the met[LOG] is logged to the network. Moreover, the device data: • MAC-Address IP-Address • Firmware version • • CPU-Temperature Time (since the last reset or rather. restart) •...

  • Page 19: Configuration Of The Sensors

    Time Current time and date can be set manually or can be adjusted automatically via a time server. Under „time source”, chose whether the time shall be set manually, automatically via network (internet) or whether by an inserted server under “time server”. Remark: For the manual time registration, time source “manually”...

  • Page 20: Nmea-Sensors

    3.2.1. NMEA-Sensors Using NMEA-sensors, the telegrams [IN] can be chosen which the met[LOG] reception shall evaluate. Available for selection: • WIMWV WIMTA • • WIMMB WIMHU • WIXDR (PR) • • WIXDR (C/H/P) (For a detailed description of the telegrams please also see chapter 9.1). Alternatively, a result output of a true wind calculation (NMEA TW [OUT]) can be issued via a COM- interface 3.2.2.

  • Page 21: Analogue/Digital-Inputs

    Units, decimals and sensor type of the available rain[e] parameter are listed in the following di- agram: Sensor designation Unit Decimal places Type Intensity of precipitation mm/min 0,000 Amount of precipitation 0,000 Internal temperature °C Heating ON (1) / OFF (0) Total heating capacity % Error code for LAMBRECHT-service Error exceeding of 10°...
  • Page 22 Digital signals Digital signals can be: • Status Impulse • • Frequency If necessary, a debouncing software can be activated for the status or the impulse. Thereby the num- ber of the permitted impulses per second will be limited to a maximum of 3 per second (3 Hz). Status Using digital signals, it can be adjusted, whether there is an active signal with low or high level or a passive signal (e.g.
  • Page 23 Impulse Using the digital input for a rain gauge, the scaling for the sensor has to be adjusted (1 impulse = x mm). Moreover, a correction of the intensity for the LAMBRECHT precipitation sensors can be acti- vated. The impulse will always be counted with the positive edge; therefore thresholds doesn’t have to be inserted.
  • Page 24 NTC-temperature sensor Temperature measurement with the NTC-temperature sensor is possible. For the NTC the R0 re- sistance value is in kOhm and its B-value has to be inserted.

  • Page 25: Configuration Of The Data Storage

    3.3. Configuration of the data storage For data storage, the storage interval (equals mean value interval) has to be adjusted. 1, 2, 5 or 10 minutes can be selected. Via drag ‘n’ drop or via the „+“ button, sensor parameters from the sensor list can be dragged into the log list.
  • Page 26 In case of modification of the log list after storage of a configuration and rebooting of the met[LOG], all log files (BIN files) which have been stored until the configuration will be deleted at the next storing/re- booting. This is necessary as the sensor assignment of the measuring values stored in the log data otherwise is no longer valid.

  • Page 27: Configuration Of The Visualisation

    3.4. Configuration of the visualisation The visualisation will be configured directly on the page „files“, on which the current values are dis- played. The measurement values to be displayed can be summarised in groups. A group can be created via the button “add group to the left” or “add group to the right”. In the open window, the name of the group has to be entered.
  • Page 28 For the respective parameter, selection can be made between graphical “graph” or numerical “box”. For the wind measuring values the wind indicators will be shown, choosing “graph”. Finally, by pressing the button “create” the group with the chosen indicating instrument will be gener- ated.

  • Page 29: Trend

    Example of visualisation of the current values of the EOLOS 3.4.1. Trend For some parameters e.g. temperature, a trend display can be inserted (see also chapter 3.4.2.5). Under trend, the time base for the trend calculation can be adjusted: 10 minutes, 30 minutes, 1 hour and 3 hours.

  • Page 30: Indicating Instrument Wind Speed

    3.4.2.1. Indicating instrument wind speed The instrument wind speed displays the current wind speed (long yellow hand) and the average wind speed (short red hand). The blue sector marks the range between the maximum and the minimum wind speed. The inner circle indicates the numerical wind speed. 3.4.2.2.

  • Page 31: Numerical Indicator

    3.4.2.3. Numerical indicator The numerical indicator displays the respective current value. In addition to the measured actual values, virtual values can be indicated. These virtual measured val- ues can also be stored. Calculated parameters are:...

  • Page 32: Peak Wind Speed

    3.4.2.3.1. Peak wind speed At peak wind speed, two values will be indicated in the numerical display: the maximum wind speed and the wind direction at the time of the peak. For the determination, the wind speed and the wind direction will be linked vectorially and for the dis- play counted back again.

  • Page 33: Maximum Gust

    3.4.2.3.2. Maximum gust The meteorological definition of a gust is, when the measured ten-minute-mean of the wind speed ex- ceeds within a few seconds for at least 3 seconds and maximally 20 seconds. The maximum gust is the maximum difference of a gust to a neighbouring lull. The reference lull can be the one before (+) or after (-) the gust.
  • Page 34 The “lamp“ of the display field will be color-coded corresponding to the calculated heat index. keine Beeinträchtigung Hitze-Index < 27 °C Vorsicht 27 °C < Hitze-Index ≤ 32 °C Erhöhte Vorsicht 32 °C < Hitze-Index ≤ 40 °C Gefahr 40 °C < Hitze-Index ≤ 54 °C Erhöhte Gefahr Hitze-Index >...

  • Page 35: Dew Point (Measured Or Calculated)

    3.4.2.3.4. Dew point (measured or calculated) The dew point is the temperature at which dew forms and is a measure of atmospheric moisture. It is the temperature to which air must be cooled at constant pressure and water content to reach conden- sation.

  • Page 36: History Diagram

    3.4.2.4. History diagram The history diagram continuously shows the course of the measured parameters. At a change of day this will be displayed via a vertical line and over the time scale. The values are concentrated to keep the data volume small. The measured value axis adapts itself automatically in the scaling of the actual displayed measured values.

  • Page 37: Loading Of A Stored Configuration

    4. Loading of a stored configuration As described in chapter 3.1 the configuration of a met[LOG] can be stored under any name. Shall this configuration be loaded again firstly the following line has to inserted at the end of the corresponding file on the SD card: {"method":"POST","path":"/config/saveconfig"} Remark !

  • Page 38: Talker-Sensors

    5.1. Talker-Sensors The talker programs clearly identify the parameter of the connected LAMBRECHT sensors. The recog- nised telegrams will be chosen (or placed) automatically in the configuration of the COM interfaces. The unit, the number of the decimal places, the sensor type, the mean value or the trend time will be created correspondingly the following table.

  • Page 39: Rain[E]-Talker

    5.1.1. rain[e]-Talker The rain[e] talker protocol is a semicolon separated protocol. The values will always be transmitted with a sign. The protocol is described in chapter 9.2.1. Out of the received protocol will be processed by the met[LOG]: The intensity in mm/min •...
  • Page 40 For each digital output can firstly be set, whether it should be “high“ or “low“ in the normal situation (default situation). If the switch is set to “low“ the corresponding output also remains at logical 0 at “low“ and at logical 1 at “high“.

  • Page 41: Hysteresis Function

    In case of not entering anything in the field „high level“ it will be ignored and just the „low level“ will be considered as a threshold. In case of exceeding the “low level” the corresponding warning channel will be set to logical-1. Will the “low level” be fallen short again than the warning channel will be set back to logical-0.
  • Page 42 Fenster-Funktion High-Pegel Low-Pegel time The fields “delay ON“ and “delay OFF“ doesn’t have to be filled in necessarily. In the event of not en- tering a time the delay amounts 0 seconds each time. In case of entering a time (e.g. 5 sec), the moni- tored parameter has to be exceeded or to be fallen below the specified time before switching the warn- ing channel.
  • Page 43 The result of this connection will be output via the digital output 1 (switch output). The switch output can be chosen in each case out of the selection series “switch output 1-4”. It is possible, that several warning channels use the same switch output. In this case they will quasi be connected via OR.

  • Page 44: Data Export As A Csv

    Remark: For the sum and mean value formation max. 20 buffers with 60 values each are avail- able. At a one-minute sliding mean value every second a value will be taken and each sec- ond the buffer or the mean value will be updated. At a ten-minute sliding mean value every ten seconds a mean value will be set up out of ten values and be written in the buffer, the earliest ten second mean value will be deleted and out of the buffer a mean value of the ten second mean values will be cre-...

  • Page 45: Data Collection

    9. Data collection The met[LOG) understands the following serial data protocols • NMEA (Talker) • WIMWV • WIMTA • WIMMB • WIMHU • WIXDR (PR) • WIXDR (C/H/P) Rain[e] Talker • • Rain[e] SDI-12 auf RS485 The 4 analogue/digital interfaces can measure the following signals: Voltage, free scalable e.g.: 0…10 V 0…5 V...

  • Page 46: Supported Nmea-Telegrams

    NMEA uses the following parameter: • Baud rate 4800 Data bits 8 (D7 = 0) • • Parity none • Stop bits 1 All delivered data will be interpreted as ASCII characters by the met[LOG]. The “most significant bit” of the 8-bit character will always be transmitted as a zero (D7 = 0).

  • Page 47: Data Telegram Wimhu Relative Air Humidity

    9.1.2.4. Data telegram WIMHU relative air humidity Example of a data sequence with comma separated fields: $WIMHU,100.0, , -30.0,C*CS<CR><LF> Field separator , (comma) Header: $WIMHU rel. air humidity: 0.0 to 100.0 Dew point -30.0 to 70.0 C: °C Telegram end: <CR> <LF> Error code: 999.9 9.1.2.5.

  • Page 48: Nmea Checksum „Cs

    9.1.2.5.3. NMEA Checksum „CS“ The checksum „CS“ will be displayed as 2-character-hexadecimal value. It is calculated as a XOR op- eration of all signs of the data set between “$” and “*”. This means “$” and “*” will not enter into the cal- culation.

  • Page 49: Sensors With Frequency Output

    9.3.3. Sensors with frequency output Sensors with a frequency output are normally wind speed sensors (e.g. BASIC). The sensors deliver the frequency normally as an OC (e.g. BASIC), as a switch contact and/or as an active voltage signal. 9.3.4. Rain gauges with pulse output Rain gauges normally deliver the pulses via a switch contact or an OC.

  • Page 50: Data Storage

    10. Data storage The met[LOG] can collect the measured values of the connected sensors and store them each 1-, 2-, 5- or 10 minutes on the SD-card. 10.1. General Available parameters can be stored the following values: Parameter Values to be stored Wind speed ...

  • Page 51: Annex

    Annex Data communication met[LOG] by HTTP 12.1. Identification of the logger The data communication takes place exclusively via HTTP via the LAN interface. The identification of the logger and the channel assignment takes place via the call of the web page „statdef.htm“...

  • Page 52: Access To The Instantaneous Values

    12.2. Access to the instantaneous values The access to the instantaneous values takes places via the call of the page: “momview.htm“. It has got the following structure: <HTML> <HEAD><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <TITLE>momview</TITLE> </HEAD> <BODY> <PRE>11.10.2011, 17:03:39,01,00, 227.0, 4.8, 14.0,9999.0, 95.9, 13.3, 988.3, 0.0</PRE> </BODY>...

  • Page 53: Access To Sliding Wind Data

    12.3. Access to sliding wind data Access to the sliding wind data is via the call off of the following page: „windview.htm“. It has the following structure: <HTML> <HEAD><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <TITLE>windview</TITLE> </HEAD> <BODY> <PRE>11.10.2011, 17:03:39,1,135.0,100.0, 211.0, 135.0,100.0, 211.0, 2,1.8, 0.8,2.7, 1.8,0.8,2.7</PRE>...

  • Page 54: Storage Format

    12.4. Storage format Determined mean values and extreme values will be stored in a ring memory. The memory collects the data of one year. The averaging times (= storage intervals) can be 1, 2, 5, 10 minutes. The data will be stored in the binary format IEEE Real 4 Byte (float). Data files are generated on a daily basis, with the filename YYYMMDD.BIN For the filename will be used the following convention: YYYY year...

  • Page 55: Formulas / Calculations

    12.4.1. Formulas / Calculations 12.4.2. Annex – formula heating index The heating index (hi) is calculated according to the following formula: hi = c1 + c2·T + c3 · p + c4·T · p + c5·T^2 + c6·p^2 +c7·p·T^2 + c8·T·p^2 + c9·T^2·p^2 with T=Temperature in °C p=rel.

  • Page 56: Annex - Formula Wind Chill

    12.4.5. Annex – formula wind chill The wind chill (Twc) is calculated as follows: Twc = 13.12 + 0.6215 · T - 11.37 · Vw^(0.16) + 0.3965 · T · Vw^(0.16) Thereby: Twc = Wind chill-temperature (in °C) T = real temperature (in °C) Vw = Wind speed in km/h The wind speed should be between 4.8 and 177 km/h (1.3 m/s to 50 m/s).

  • Page 57: Annex - Formula Absolute Air Humidity

    12.4.7. Annex – formula absolute air humidity The absolute air humidity (AH) or real air humidity is calculated as follows: AH = SAH·RH AH = Absolute air humidity RH = relative air humidity in % SAH=10^9·SVP/(CV·RVAP·(TT+273,15)) SAH = maximum absolute air humidity in g steam pro 1 m³ air (g/m³) SVP(TT) = saturation vapour pressure in mbar over water at the air temperature TT in °C CV = factor of compressibility for steam;...

  • Page 58: Annex - Formula Air Pressure Over Sea Level Qff

    whereby = measured air pressure QNH = corrected air pressure from the measuring point to the sea level at standard atmosphere = altitude difference measuring point to the sea level in m T = 273.15 K + t (with t=air temperature in °C) = Constant 0.12 K/hPa e = steam at station height (hPa) e = SVP(TT) ·RH...

  • Page 59: Modification History

    Modification history 29.02.2016 Circuit diagram updated, corr. smaller spelling mistakes 24.05.2016 New layout 12.10.2016 Correction of formula for calculation of “maximum absolute air humidity” 07.03.2017 Chap. 12 “Data communication met[LOG] […]” updated. 19.12.2018 Wiring diagram for COM1 and COM2 changed. 14.05.2020 New Ident-No.
  • Page 60 Subject to change without notice. Manual_metLOG.doc 10.22 _________________________________________________________________________________ LAMBRECHT meteo GmbH +49-(0)551-4958-0 Friedländer Weg 65-67 +49-(0)551-4958-312 37085 Göttingen E-Mail info@lambrecht.net Germany Internet www.lambrecht.net...

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