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USER MANUAL

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1. 22 Figure 11 General wiring 25 Figure 12 RS232 RS485 26 Figure 13 Multidrop connection diagram naaa 28 Figure 14 Front part of the E Log 31 Foure 15 LEDS 36 Figure 16 Nameplate of the Meteo Center 43 Figure 17 Air temperature SenSsor ii 46 Figure 18 Wind direction and wind speed combined sensor 47 Figure 19 Standard Second Class Pyranometer nennu nn nnn nnna 48 Figure 20 Photovoltaic Cell 49 Figure 21 Contact temperature Sensor nenun nn nent 50 Figure 22 Temperature and relative humidity Sensor 51 Index of Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Table 9 Table 10 Table 11 Table 12 Table 13 Table 14 Table 15 Table 16 Table 17 Table 18 Documentation supplied with the 9 Technical specifications of the tie ii 17 Environmental re
2. 51 5 55 METEO CENTER PLUS USER MANUAL SANTERNO 1 GENERAL INFORMATION ON THE PRODUCT Figure 1 Meteo Center Plus weather data acquisition system The Meteo Center Plus station is the top quality solution enabling monitoring the environmental variables of a photovoltaic plant Operators and investors in photovoltaic plants need to evaluate the proper operation of their systems with the highest precision This is essential for monitoring the actual conversion efficiency and the presence of any failures or decays and at the same time for guaranteeing the investment and its payback time Weather conditions are the main exogenous limitations to optimum performance of a plant total radiation temperature values and wind conditions can adversely affect the plant efficiency Monitoring the weather condition parameters with extreme accuracy is the only way for operators to check the proper operation of the plant in real time As per solar radiation which is the most important variable to be monitored Elettronica Santerno recommends that pyranometers should be used to guarantee low feedback time limited temperature effect optimum spectral response and high stability over time according to international technical regulations Pyranometers guarantee that the overall measurement uncertainty is limited within precise limits according to the technical regulations also in case of dramatic condition changes Elettronica Santerno pa
3. Communication line 2 RS232 9 pole female DTE rate 1200 to 115200 bps Mechanical degree of protection IP 40 Environmental limits 40 60 15 100 UR with no condensation Weight 7209 Dimensions 242 x 108 x 80 mm A D Converter 18 bit with rounding off at 16 bits Table 11 Technical and electrical specifications of the temperature sensor 45 55 METEO CENTER PLUS 11 3 46 55 2 SANTERNO CARRARO GROUP Technical and Electrical Specifications of the Sensors 11 3 1 Air Temperature Sensor Figure 17 Air temperature sensor Measure range 50 70 C Sensitive element PT100 1 8 DIN B Accuracy 30 1 G 0 Reproducibility 1 5 accuracy Physical output PT100 0 1 3 DIN Operating temperature 40 95 Degree of protection upright position IP66 Weight cable included 440g Connection cable L 5 m included Table 12 Technical and electrical specifications of the temperature sensor Probe socket Cable bushing 18 mm Pole assembly Through collar DYA051 48 to 50 mm pole Material Luran resin Weight 670g Degree of protection of the internal IP66 probe Table 13 Technical and electrical specifications of the antiradiation screen USER MANUAL METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 11 3 2 Wind Directio
4. 15P0061B200 METEO CENTER PLUS WEATHER DATA ACQUISITION SYSTEM USER MANUAL Issued on 10 01 2013 R 00 English This manual is integrant and essential to the product Carefully read the instructions contained herein as they provide important hints for use and maintenance safety This product is to be used only for the purposes it has been designed to Other uses should be considered improper and dangerous The manufacturer is not responsible for possible damages caused by improper erroneous and irrational uses Elettronica Santerno is responsible for the product in its original setting Any changes to the structure or operating cycle of the product must be performed or authorized by Elettronica Santerno Elettronica Santerno assumes no responsibility for the consequences resulting by the use of non original spare parts Elettronica Santerno reserves the right to make any technical changes to this manual and to the product without prior notice If printing errors or similar are detected the corrections will be included in the new releases of the manual The information contained herein is the property of Elettronica Santerno and cannot be reproduced Elettronica Santerno enforces its rights on the drawings and catalogues according to the law SANTERNO CARRARO GROUP Elettronica Santerno S p A Strada Statale Selice 47 40026 Imola BO Italy Tel 39 0542 489711 Fax 39 0542 489722
5. 41 41 WEB http www lsi lastem it 9 CF P Iva VAT 17 04407090150 11009921 Reg Imprese 044070 Ref CE009 06 DICHIARAZIONE DI CONFORMITA CE Dichiarazione del Costruttore sulla garanzia che la produzione di serie sia conforme al Campione Certificato Dichiarazione del Costruttore sulla conformit alle Direttive Europee EMC Nome del produttore Lsi Lastem Srl Con la presente si dichiara che tutti i prodotti della seguente serie Nome Prodotto Radiometri Codici DPA516 DPA518 DPA501 DPA503 DPA553 DPA558 521 DPA523 DPA506 DPA508 560 DPA568 DPA511 DPA513 554 DPA559 DPA007 DPA009 DPA153 DPA253 DPA047 prodotti dalla nostra azienda sono costruiti in modo identico all esemplare testato prodotti sono conformi ai requisiti imposti dalla Direttiva Europea EMC Directive 89 336 EEC inclusa 93 68 EEC e quindi sono conformi alle norme europee in parentesi gli standards internazionali e EN50082 1 EN 55011 EN 55022 CISPR 22 Interferenza elettromagnetica EN 55024 IEC61000 4 2 3 4 5 6 8 11 Immunit elettromagnetica EN 61000 3 2 IEC610000 3 2 Power Line Harmonics EN 61000 3 3 IEC610000 Power Line Flicker EN 60950 IEC60950 Sicurezza del prodotto accordo alle dette direttive i prodotti sono marchiati il marchio CE La presente dichiarazione copre tutte le opzioni derivate dal prodotto specificato Dr Giulio Certo Direttore Ge
6. Single quick flash Device on green Correctly operating acquiring data Three quick flashes Device on green Being reconfigured Five quick flashes Device on green Quick acquisition mode Slow flashing red Device on An error occurred The number of flashes indicates the type of error Off No communication in progress Green flashing Receiving data via serial links Red flashing Sending data via serial links Time interval between two flashes 5s Quick flash duration 125ms Slow flash duration 375ms 36 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 9 MAINTENANCE Access to products for the purpose of maintenance modifications and management involves all persons responsible for production and maintenance It must be carried out in observance of the health and safety regulations described in section 2 CAUTION STATEMENTS This section describes all the activities required to keep machine parts which are subject to wear and deterioration and or components which are essential for guaranteeing safety and optimum performance in good condition The maintenance intervals depend on the location of the device and the environmental conditions Equipment installed in an environment where there is a high concentration of dust requires more frequent maintenance than generally indicated 9 1 Maintenance Sheet Maintenance Tasks Maintenance Interval Recommended 1
7. o Second class pyranometer according to ISO 9060 o Solar cell radiometer o Thermohygrometric sensor o PT100 air temperature sensor class 1 3 DIN EN 60751 o High precision wind speed and wind direction sensor o Contact temperature sensor for photovoltaic modules P65 rated case housing the datalogger and an external battery 40 Ah acting as a parallel power supply system DNA1218C A 1 H arc RS 1S DPA251 1 DPAO47 S DYA034 SEZIONE A A gr DYA101 DYA230 DMAO33 DPA251 1 DYAO64 DPAOAT S DYAOS1 3000 ELF345 S EL0305 DEA504 DPA251 1 DYAO8S DPAO478S 55 DYAO28 DYAO34 DLE124 3 5 DYA010 1 DYAO26 MODULO FOTOVOLTAICO YAO20 1 DYAO20 1 pa aANha a jefe oH n 0 0 7 i 6 p o 7 70 o 9 70 76 b 7 2 p 2 00 400 4 9 70 e i un c j gt 4 o 29 7 790 PLINTO IN CEMENTI 7 AN o LINTO IN CEMENTO 5 5mx0 5m PROF 0 5 Oo No 500 Figure 2 Components of the Meteo Center Plus 8 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 1 2 Main Standard Functions The main standard functions of the Meteo Center Plus are as follows e Acquisition of weather data for photovoltaic plants e Continuous
8. 46 11 3 2 WIND DIRECTION AND WIND SPEED COMBINED SENSOR 47 11 3 3 STANDARD SECOND CLASS PYRANOMETER 48 11 9 4 SOLAR CELL RADIOMET ER nti t e cu eek tee re 49 11 3 5 CONTACT TEMPERATURE e 50 11 3 6 THERMOHYGROMETRIC SENSOR 51 12 DECLARATIONS OF CONFORBMILJTY 52 4 55 USER MANUAL Z SANTERNO METEO CENTER PLUS CARRARO GROUP Index of Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Meteo Center Plus weather data acquisition 6 Components of the Meteo Center 8 E Log Datalogger inen oleo nie sicci 13 PT100 thermometer reete re n conde iaia iii 14 Wind speed and Wind direction combined 14 Second Class pyranormlelter 15 Solar cell tadiometer fa ce redu 15 Contact temperature sensor 16 Figure 9 Power supply i 21 Figure 10 Installing the 8
9. 360 0 degrees 38 M020 Average wind speed 0 50 m s 40 Table 8 Measures M001 to M020 at a glance All measures are expressed with 32bit native float variables and are represented with two decimal digits 30 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 8 HOW TO USE THE DATALOGGER The E Log datalogger performs measures and data processing by considering a unique detection instant Measure detection is made automatically few seconds after powering on the datalogger Data processing is finished when the E Log datalogger is powered off 8 1 Using the Keypad The keypad is located on the front part of the datalogger Figure 14 Front part of the E Log datalogger The E Log keypad comprises four arrow keys and two function keys The functionality of each function key is detailed below When starting gt Defines the quick measure acquisition mode When displaying the measure values Displays the diagnostic mask of type 1 Changes the display mode of the measure name full wording shortened text and the number of input the sensor is connected to Scrolls up the measure list Scrolls down the measure list Locks unlocks the measure autoscroll Turns on off the display 0102000 31 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP When displaying diagnostic info Displays the measure values When applicable it resets the displayed data statistics errors and
10. 5 5 95 23 Sensitive element 2 lt 5 gt 95 96 23 C Accuracy Pt100 Analog 0 1 V Electric output 50 100 C Operating temperature 1250 g Weight cable included 5 m standard Table 18 Technical and electrical features of the thermohygrometric sensor optional 51 55 METEO CENTER PLUS gt SANTERNO USER MANUAL CARRARO GROUP 12 DECLARATIONS OF CONFORMITY 52 55 LSI LASTEM S r l Via Ex S 1 P 161 Dosso n 9 20090 Settala Premenugo MI Italia Tel 39 02 Fax 39 02 95 77 Of e mail info lsi lastem it DICHIARAZIONE DI CONFORMITA CE Dichiarazione del Costruttore sulla garanzia che la produzione di serie sia conforme al Campione Certificato Dichiarazione del Costruttore sulla conformit alle Direttive Europee EMC Nome del produttore Lsi Lastem Srl Con la presente si dichiara che i tutti i prodotti della seguente serie Data logger per applicazioni ambientali modelli ELO105 ELO106 ELO305 ELO306 ELO310 ELO505 ELO515 ELO516 dal numero di serie 07090205 a cui questa dichiarazione si riferisce conforme ai requisiti essenziali dei seguenti standard e documenti normativi EN60950 1 2005 EN60950 1 2006 EN50371 2002 10 EN301489 17 2002 10 EN300328 2006 10 EN61326 A1 1997 A1 1998 A2 2001 A3 2003 che rispettano le direttive 1999 5 CE 2004 108 CEE Dr Giulio Certo Direttore Generale e Legale Rappresentante METEO
11. CARRARO GROUP 1 6 Symbols Used 9 WARNING Indicates an operating procedure which if not carried out correctly may cause serious damage to the equipment A DANGER Indicates an operating procedure which if not carried out correctly may lead to injuries or even death caused by electric shock Q NOTE Indicates important information concerning use of the equipment 1 7 Definitions Installer Technician responsible for setting up positioning and installing the equipment in compliance with the system diagram and in accordance with first class professional criteria Operator Worker who has been suitably trained and informed on the risks and relative safety procedures to be adopted The operator can carry out routine maintenance on the equipment Plant manager Person who co ordinates or manages system management activities and is responsible for ensuring health and safety standards are adhered to Technical room Place used for housing the technological systems such as the wiring plumbing heating air conditioning lifting and telecommunications systems It is equipped with suitable forced air ventilation and or air conditioning and is also fitted with appropriate safety devices governing access maintenance and fire prevention Person in charge of running the electrical system System Manager Person with the highest level of responsibility concerning operation of the electrical system If required some of his h
12. an example and may vary based on the sensors installed 17 55 METEO CENTER PLUS 2 SANTERNO USER MANUAL CARRARO GROUP Physical Acquisition Type of Fhysical Quantity Physical Quantit Measure Processing Ambient relative Ri Acquired Min Average Max Standard Dev We 1 00 01 00 humidity measure Percentage of valid data p Acquired Min Average Max Standard Dev Amueni iemperdiue 00 91 90 Percentage of valid data Photovoltaic module 3 00 01 00 Acquired Min Average Max Standard Dev temperature measure Percentage of valid data Solar radiation 1 AS Acquired Min Average Max Standard Dev 3 Percentage of valid data pyranometer Solar radiation 2 Acquired Min Average Max Standard Dev 9 SPO measure Percentage of valid data module plane Solar radiation 3 AR Acquired Min Average Max Standard Dev 6 00 00 01 horizontal solar cell measure Percentage of valid data Solar radiation 4 solar cell on PV 7 00 00 01 Acquired Min Average Max Standard Dev measure Percentage of valid data module plane Prevalent direction direction Wind direction 8 00 00 01 q resultant speed resultant direction measure StandardDev E Acquired Min Average Max Standard Dev Wind Speed 3 dud measure Percentage of valid data P Acquired Instantaneous Percentage of val
13. are half screwed to the sensor body Remove the protective screen from the pyranometer body and fasten it to the plate of the sensor holder rod with the two long screws the long screws are supplied inside the box of the sensor holder rod a hex key N 4 is required Turn the knurls until the sensor is perfectly levelled Tighten the screws and make sure that the sensor is kept levelled Re assemble the protective screen on the sensor body Fasten the solar cell radiometer with the two screws of rod DYA034 make sure that it is horizontal in respect to the pyranometer Connect the radiometers to the E log datalogger by referring to the wiring diagram given in section 6 3 Do the following to install the sensors with the same tilting as the PV modules Fasten sensor holder rod DYA034 to the bearing structure of the modules by adjusting it to the South and making sure that it is never in the shade of the structure itself all day long Follow the instructions given above as per fastening the sensors to the pole remove the pyranometer knurls as they are not required for the tilted position 6 2 3 Contact Temperature Sensor Do the following to install the sensor Place the plate in a significant location of the photovoltaic module typically in the middle on the rear side of the PV module In order to ensure a better coupling between the PV module and the sensor apply some thermal paste before fixing the probe to the panel Steadily fix th
14. check the correct operation of the air temperature 6 months Clean and check the correct operation of the wind direction and 12 months wind speed sensor Clean and check the correct operation of the pyranometer 6 months Clean and check the correct operation of the contact 12 months temperature sensor The frequency of the scheduled maintenance may need to be increased decreased depending on the location in which the equipment is installed and the relative environmental conditions Table 9 Maintenance sheet 9 2 Air Temperature Sensor Periodically do the following to guarantee the correct operation of the air temperature sensor Visual inspection 1 Check that the external antiradiation screen is clean and with no dents 2 Check that the porous filter protecting the sensitive element is clean 3 Check that the measuring element is perfectly clean Check if dust or dew is to be found on the plate but do not touch it with your hands Use a magnifier if required Make sure that the contacts are not oxidized Clean the measuring element if required Operation check Measure the air temperature with a thermometer Compare the measure obtained with the measure taken by the probe being tested and check that the probe values range within the allowable values Cleaning the antiradiation screen Clean the external antiradiation screen with a soft brush or a damped cloth the high reflecting power of the screen
15. detection of the weather parameters determining the efficiency of the PV plant e Protection against electromagnetic disturbance for maximum data reliability e High storage capacity of historical data e Parallel power supply system 40 Ah battery acting as a back up system in the event of grid failure 1 3 Scope of this Manual Meteo Center Plus weather station and relative accessories 1 4 For Whom this Manual is Intended This manual must be read by e Installers e Operators Plant manager See section 1 7 Definitions 1 5 Attached Documentation The Meteo Center Plus is supplied with the following documents Name of the document Scope Contains all the information necessary for the transport Installation Guide assembly installation and maintenance of the product Final Test Certificates Contain all the information on the final tests of the sensors Declarations of conformity to the standards applicable to the Declarations of Conformity product Table 1 Documentation supplied with the product 1 5 1 Preservation of the Documentation All documents supplied with the Meteo Center Plus user manuals of the datalogger and sensors drawings certifications and final test certificate must be kept for the entire life span of the equipment together with the system documentation They must be kept in a place where they are readily available 9 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL
16. is guaranteed by its perfect cleanness 37 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP Cleaning the measuring elements 1 Disconnect the cable from the probe 2 Loosen the lower cable gaskets and pull out the sensor from the screen 3 Loosen the white guard from the porous filter 4 Clean the surface of the PT100 probe temperature measuring element using a tiny soft brush 9 CAUTION Wait 2 to 3 hours before taking any measures This time may be reduced if the measuring element is left in a dry place or exposed to a cold flow of air for a while Cleaning the porous filter Clean the internal part of the filter with a stream of cold air Dew inside the porous filter is particularly frequent in tropical areas due to high temperature and humidity Elettronica Santerno suggests that checks and cleaning be made at least every six months The replacement of the porous filter is based on the installation place high humidity pollution presence of dust and chemicals strongly affect the life of the porous filter Replacing the filter every two years is however advisable Elettronica Santerno suggests that the measuring element be replaced when measures are not consistent with the actual environmental conditions 9 3 Wind Speed and Wind Direction Sensor Periodically do the following to guarantee the correct operation of the wind speed and wind direction sensor e Make sure that the rotor and the weather vane are
17. nodes The maximum number of nodes which can be connected on a section is limited to the following aspects logic limit of the bus equal to 247 e length of the connection baud rate e electronic drivers used The limit set by the line drivers used is 30 devices It is not advisable to use section lengths exceeding 500m Should it be necessary to connect more than 30 devices on the same line or over a length exceeding 500 m it is advisable to break the connection up into more than one section using RS485 repeaters 28 55 USER MANUAL SANTERNO METEO CENTER PLUS 7 4 CARRARO GROUP Connection Connection to the serial link requires terminal block TB1 as detailed in section 7 2 Comms Ports and Protocols Used CAUTION Wiring operations of the module must be carried out when the inverter is NOT powered Remember to take all the necessary precautions before accessing the connectors and before handling the board The MODBUS IDA organization http www modbus org defines the connection for Modbus communication on RS485 serial link used by the inverter as 2 wire cable type For this type of cable the following specifications are recommended Connection cable Shielded cable made up of a balanced pair known as D1 DO common Type of cable conductor Recommended cable Belden 3106A Paired EIA Industrial RS485 PLTC OM Minimum section for the AWG23 corresponding to 0 258mm For long lengths it is adv
18. not warped e Make sure that the cone shaped support of the rotor is able to move in any direction sure that the sensor is in good condition check if no dirt or foreign matters are to be found between the rotor and the body of the sensor e Check the sensor calibration Mechanical and functional checks Do the following e Check if rotors turn independently of each other Make sure that no friction occurs e Use a compass to check if the red nose on the sensor side is actually oriented towards north this condition is required for the correct data readout Adjust if required Do the following to check that the wind direction is correctly measured e Stop the rotor keeping its tip parallel to the red nose pointing towards north which is located on the sensor make sure that a value corresponding to 360 8 856 to 4 appears in the wind speed field on the display e Turn the rotor clockwise by 90 seen from above make sure that an angle of 90 8 is displayed e Turn the rotor clockwise by 90 again and make sure that a value of 180 8 is displayed e Turn the rotor clockwise by 90 again and make sure that a value of 270 82 is displayed 38 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP Do the following to check that the wind speed is correctly measured Stop the rotor and make sure that 0 is displayed the wind speed field e Carry out a practical test to dete
19. type 3 device address yyyyy bit rate of the serial port The character gt indicates the serial port being used The bit rate of the serial ports may range from 1200 to 115200 bps and may be changed by pressing Press e to select serial port 2 of the device Press to temporarily set the address to 1 Few seconds later a test transmission of the instant values will occur These values may be checked by using any terminal emulation program Important Any modification to the comms values made locally via the keypad is temporary as it is aimed at quickly fixing communication failures if any with the external devices When restarted the datalogger will use the settings programmed via PC In order to permanently configure those settings the special program is required Press to display the diagnostic mask of type 4 Po t 2 3 4 5 J 6 j 7 8 9 J 10 tt 12 13 14 15 X value of the actuation output 0 inactive output 1 active output it is possible to force the status of an actuator in respect to the internal logics that could change the status of the actuator itself actuator logics or sensor power supply logics In addition to the value 0 actuator off and 1 actuator on a F is displayed one per each individual actuator if the status forcing is activated Basically if the status F is forced to the actuator status that can assume the value 0 or
20. 1 this means that the actuator will never be modified by an internal logic except for the commands sent remotely via CISS or Modbus comms protocols that have priority over status F If forcing is not activated the internal logic is able to change the actuator status 34 55 USER MANUAL 9 SANTERNO METEO CENTER PLUS CARRARO GROUP value of the supply voltage measured by the device Volt 777 value percent of the battery voltage Press gt to move the cursor to the desired actuator press to switch from on off and vice versa Press to display the diagnostic mask of type 5 where m status of the connection to GSM network 0 not connected 1 connected p status of the connection via GPRS protocol 0 not connected 1 connected CC quality of the GSM signal 0 no signal 31 maximum signal Any value lower than 15 does not enable using the GPRS protocol e n number of correct connections from the latest reset t number of total connections from the latest reset The memory statistic is saved every 20 connection attempts and only if the modem is not powered via the actuator When the mask of type 5 is displayed press to connect to the operational centre Press to reset the modem and press to reset the connection statistics This mask will display the status of the GPRS modem serial port 1 only if the GPRS modem functionality is not supported the da
21. 19 where nn ordinal number of the measure The number of the physical input is not shown mmmm full name of the measure measure value The error condition is marked by Err The value is right justified 32 55 USER MANUAL 9 SANTERNO METEO CENTER PLUS CARRARO GROUP Press gt to display the shortened name of the measure and the relative unit of measure Press to display the full name of the variable and the number of the input connected to the sensor If the measure is calculated is displayed instead of the name of the input If the measure is acquired via the serial port the sensor address marked with A and the number of the reference channel marked with are indicated instead of the input number If the datalogger is programmed with at least one actuation logic press again to display the alarm condition of the measure the wording OK indicates that no alarm tripped whilst the wording Alarm means that an alarm tripped Press lt gt to switch from one format to the other 8 2 3 Diagnostic Info Information related to operation and statistics are displayed from diagnostic masks Diagnostic mask of type 1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 where dd mm yy hh mm ss current date time numeric code in hexadecimal notation mmmm data memory dimension in kBytes e fff available memory percentage In f
22. ANDLING AND 19 5 1 ENVIRONMENTAL REQUIREMENTS FOR STORAGE AND TRANSPORT 19 52 INSTALLATION PLACE diit bias these dont dE bcr uda udo 19 5 3 PLACING THE SENSO Ae aan 19 6 MOUNTING INSTALLATION AND COMMISSIONING 20 6 1 INSTALLING THE E LOG DATALOGGER eme 20 6 1 1 E LOG POWER SUPPLY etic aie cient ia 20 2 55 USER MANUAL Z SANTERNO CARRARO GROUP 6 2 INSTALLING THE SENSORS lalla dalla ia 21 6 21 AIR TEMPERATURE eerte ee e ne 21 6 2 1 WIND DIRECTION AND WIND SPEED SENSOR 22 6 2 2 SOLAR RADIATION SENSORS rennen rennen 22 6 2 3 CONTACT TEMPERATURE SENSOR i 23 6 3 CONNECTING THE SENSORS TO THE 24 6 4 CONNECTING THE SERIAL CONVERTER TO THE COMMS PORT 26 6 5 AUXILIARY POWER SUPPLY leale lai 26 66 POWER ccc 26 7 COMMUNICATIONS AND REMOTE MONITORING eese 27 7 1 GENERAL 1 EE 27 7 2 COMMS PORTS AND PROTOCOLS 27 7 3 CONNECTION TOPOLOGIBS oa 28 74 ECe expe 29 75 MODBUS em 30 8 HOW TO USE THE ici 31 8 1 USING m m 31 8 2 INFORMATION ON TH
23. C610000 3 2 Power Line Harmonics EN 61000 3 3 IEC610000 Power Line Flicker EN 60950 IEC60950 Sicurezza del prodotto In accordo alle dette direttive i prodotti sono marchiati con il marchio CE La presente dichiarazione copre tutte le opzioni derivate dal prodotto specificato Dr Giulio Certo Direttore Generale e Legale Rappresentante MO indicano i codici con numerazione compresa 55 55
24. CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP LSI LASTEM S r l 05 a B Via Ex S P 161 D na Tel 39 02 95 so n 9 20090 Settala Premenugo M Italia WEB http www ls CF P Iva VAT IT 044 REA 1000021 Reg Imprese 04407 Fax 439 02 95 77 4 e mail info Isi lastem it DICHIARAZIONE DI CONFORMITA CE Dichiarazione del Costruttore sulla garanzia che la produzione di serie sia conforme al Campione Certificato Dichiarazione del Costruttore sulla conformita alle Direttive Europee EMC Nome del produttore Lsi Lastem Srl Con la presente si dichiara che i tutti i prodotti della seguente serie Data logger per applicazioni ambientali modelli ELO105 ELO106 ELO305 ELO306 ELO310 ELO505 ELO515 ELO516 dal numero di serie 07090205 a cui questa dichiarazione si riferisce conforme ai requisiti essenziali dei seguenti standard e documenti normativi EN60950 1 2005 EN60950 1 2006 EN50371 2002 10 EN301489 17 2002 10 EN300328 2006 10 EN61326 A1 1997 A1 1998 A2 2001 A3 2003 che rispettano le direttive 1999 5 CE 2004 108 CEE Dr Giulio Certo Direttore Generale e Legale Rappresentante 53 55 METEO CENTER PLUS 9x SANTERNO USER MANUAL CARRARO GROUP LS LASTEM S r l 161 D u lt B Via Ex S P 161 Dosso n 9 20090 Settala Premenugo MI Italia A STEM Tel 39 0 Fax 39 0 gt 9 e mail info lsi lastem it
25. E i 32 8 2 1 MASK OF THE PRODUCT INFO sese 32 8 2 2 INSTANT VALUES OF THE PROGRAMMED MEASURES 32 823 DIAGNOSTIC INFO nett d e reiner e nee Ra aa acd 33 8 24 BEDS E nM M d 36 9 Nis 37 91 MAINTENANCE SHEET lilla 37 9 2 AIR TEMPERATURE SENSOR aria eeu 37 9 3 WIND SPEED AND WIND DIRECTION SENSOR 38 9 4 STANDARD SECOND CLASS PYRANOMETER 39 95 SOLAR CELL RADIOMETER lla 39 9 6 CONTACT TEMPERATURE SENSOR 40 10 TROUBLESHOOTING cei 41 10 1 MALFUNCTION OF THE DATALOGGER AND OR THE CONNECTED SENSORS41 10 1 1 MALFUNCTION INDICATED IN THE MEASURES eee 42 10 2 MALFUNCTION OF THE COMMS PORTS eem 42 10 2 1 SERIAL COMMUNICATIONS FAILURES eene 42 10 3 HOW TO CONTACT THE CUSTOMER 43 11 TECHNICAL DATA TL 43 11 1 NAMEPLA lai 43 11 2 TECHNICAL AND ELECTRICAL SPECIFICATIONS OF THE E LOG DATALOGGER 44 11 3 TECHNICAL AND ELECTRICAL SPECIFICATIONS OF THE SENSORS 46 METEO CENTER PLUS METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 11 3 1 AIR TEMPERATURE 5
26. Log is a datalogger for environmental applications featuring low power consumption wide signal range acquisition protection against overcurrent and demanding operating conditions E Log may be provided with optional accessories to improve endurance provide protection against inclement weather and transmit data via RS232 485 serial link GSM GPRS modem and Modbus RTU protocol The datalogger is supplied in an IP65 rated case 500x400 mm provided with a 12 V 40 Ah rechargeable battery 4 2 Sensors The Meteo Center Plus is provided with the following sensors PT100 air temperature sensor class 1 3 DIN EN 60751 with natural air cooling antiradiation screen High precision wind direction and wind speed combined sensor Second class pyranometers global radiometers according to ISO 9060 installed horizontally and in a position corresponding to the plane of the photovoltaic modules Solar cell radiometers installed horizontally and in a position corresponding to the plane of the photovoltaic modules Contact temperature sensor for photovoltaic modules 13 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 4 3 Air Temperature Sensor Figure 4 PT100 thermometer Thermometer PT100 1 3 DIN measures the air temperature It is a high precision reliable instrument provided with a highly reflective antiradiation screen featuring natural air cooling 4 3 1 Wind Speed and Wind Direction Sensor Figure 5 W
27. RESSO 5 INGI Cw DNA1218C TACO GONIOANEMOMETRO DIR VENTO INGRESSO 8 VEL VENTO INGRESSO 9 DPAZSI 1 RAD GLOBALE ORIZZONTALE INGRESSO 4 e x 04788 RAD CELLA FOTOV SU MODULO SOLARE INGRESSO 7 DLET24 SENSORE DI TEMPERATURA DEL MOO SOLARE INGRESSO 73 Figure 11 General wiring diagram 25 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 6 4 Connecting the Serial Converter to the Comms Port Do the following for the connection of the E Log to the serial converter e apply 12 V to the converter pay attention to polarity using the serial cable supplied with the E Log and interposing the mini gender changer DB9M DB9M adapter connect the cable to serial port 2 of the datalogger serial port 2 is located in the upper part of the datalogger on the left side panel and to serial port RS232 of the converter e make sure that the DIP switches located next to serial port RS232 of the converter are set as 1 ON 2 ON 3 OFF Figure 12 RS232 RS485 converter e connect a 2 wire cable to the terminal board green terminals to set RS485 comms in accordance with the control system of the user See section 7 4 Connection 6 5 Auxiliary Power Supply A 12V 40 Ah battery is provided acting as an auxiliary power supply source for the control unit The battery is a power supply back up system powering the Plus control unit for a few hours in the event of pow
28. act circular data storage is provided so the memory capacity is virtually endless The available memory is calculated based on the total memory dedicated to the process data in respect to the data transferred to the PC via serial link 1 Data transfer via serial link 2 does not affect the available memory When reading processed data this value is updated instant by instant If zero percent is indicated this means that the circular data storage algorithm has stored the new data items and is deleting the oldest data items e aa number of measures acquired by the device inputs 55 number of measures acquired by the serial port number of calculated measures Press to display the number hexadecimal notation expressing the memory position of the processed data the start value is 0 Press o to display the diagnostic mask of type 2 33 55 METEO CENTER PLUS 9 USER MANUAL Z SANTERNO CARRARO GROUP where e date time of the latest reset event Statistic data can be locally reset by pressing F2 or they can be remotely reset via PC e n number of the serial port of the device Press switch to the next serial port number of bytes that have been received e bbbbbbbb number of messages that have been received CCCCCCCC number of bytes that have been transferred e ddddddad number of messages that have been sent Press to display the diagnostic mask of
29. at 5 2 3 or 4 pair data transmission cables cannot be used for the serial connection not even over short sections 29 55 METEO CENTER PLUS Z SANTERNO CARRARO GROUP USER MANUAL 7 5 Modbus Map Measure Function Range M001 Environmental relative humidity optional 0 100 2 M002 Environmental temperature 30 00 70 00 C 4 Module temperature 50 00 80 00 C 6 M004 Solar radiation horizontal pyranometer 0 00 1500 00 W m 8 Moo5 Solar radiation tilted pyranometer 0 00 1500 00 W m 10 Moog Solar radiation horizontal solar cell 0 00 1500 00 W m 12 M007 Solar radiation tilted solar cell 0 00 1500 00 W m 14 Moos Wind direction 0 360 0 degrees 16 Moog Wind speed 0 50 m s 18 M010 Battery charge level 0 100 20 M011 Average solar radiation horizontal pyranometer 0 00 1500 00 W m 22 M012 Total solar radiation horizontal pyranometer 0 00 90000 00 J m 24 M013 Average solar radiation tilted pyranometer 0 00 1500 00 W m 26 M014 Total solar radiation tilted pyranometer 0 00 90000 00 J m 28 M015 Average solar radiation horizontal solar cell 0 00 1500 00 W m 30 M016 Total solar radiation horizontal solar cell 0 00 90000 00 J m 3 M017 Average solar radiation tilted solar cell 0 00 1500 00 W m 34 M018 Total solar radiation tilted solar cell 0 00 90000 00 J m 36 M019 Average wind direction 0
30. containing combustible and or explosive substances refer to IEC 64 2 EN 60079 10 and related standards In the event of an alarm please consult section 10 TROUBLESHOOTING Only restart the equipment once the problem has been rectified Observe the ambient conditions for installation The electronic boards contain components which are sensitive to electrostatic charges Do not touch the boards unless absolutely necessary Should this be the case take all the necessary precautions to prevent damages caused by electrostatic charges 2 1 Intended Use The Meteo Center Plus and relative accessories may only be used as described in this manual Any use other than that described in this manual is to be considered inappropriate and therefore improper 2 2 Qualified Technical Personnel All work on the Meteo Center Plus and relative accessories must be carried out by skilled technical personnel only By skilled personnel it is intended persons who have been suitably trained to carry out the work in question To commission and use the Meteo Center Plus personnel must know and understand the instructions for installation and use In particular all safety warnings must be strictly observed 1145 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 3 PRODUCT IDENTIFICATION 3 1 Delivery Check On receiving delivery of the equipment make sure that the packaging shows no signs of damage Check that it complies with your order by r
31. ct speed with continuous operation approx one turn per second and make sure that a value ranging from 1 5 to 2 m s in the wind speed field is displayed Clean the sensor with a damped cloth Avoid using too much cleaning fluid Elettronica Santerno recommends that the sensor be maintained cleaned once a year depending on the environmental conditions 9 4 Standard Second Class Pyranometer The routine maintenance of the first pyranometer guarantees its correct operation Do the following e Clean the sensor and the white antiradiation screen with a damped cloth e Replace the silica gel or fill it up see the table below to check the efficiency of the silica gel The silica gel is a desiccant absorbing the air humidity Silica gel is easy to found and can be regenerated by heating it up in an oven ap Colour of waste silica gel to be replaced or Colour of new efficient silica gel regenerated Blue Pink Dark yellow ochre White yellowish white Functional check Measure the radiation value with a pyranometer of the same type Compare the measure obtained with the measure taken by the probe being tested and check that the probe values range within the allowable values Elettronica Santerno recommends that the sensor is checked cleaned every six months 9 5 Solar Cell Radiometer Periodically clean the radiometer surface by removing dust or excrements Use a cloth damped with water Functional test Mea
32. d nose of the sensor is pointed towards north e radiometers DPA251 1 and DPA047 S pointed towards south two in horizontal position two having the same tilting as the PV modules mechanical interconnections with the modules thermohygrometer DMAO33 preferably pointed towards north e temperature sensor fastened in contact with one of the PV modules in the PV plant The box with the datalogger is to be mounted beneath the sensors so that it cannot alter the acquired measures The PV module DYA101 for the power supply of the datalogger is to be installed preferably between the datalogger box and the radiometers making sure that no shadow is cast on the PV module For more details please refer to section 6 2 Installing the Sensor 19 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 6 MOUNTING INSTALLATION AND COMMISSIONING The standard supply of the Meteo Center Plus includes the cables required for mounting the sensors and the datalogger the support pole 3 meters high 50 mm diameter the pole base and the set screws for the installation on the plinth the galvanized stakes and the support tie rods The pole is fastened to a plinth made of reinforced concrete previously installed on site or it is fixed to a special base made of galvanized iron secured to ground by stakes The tie rods supplied may be used to ensure greater stability to the whole structure The sections below cover the mounting and instal
33. e probe by applying some heat resistant adhesive tape Make sure that the sensor cable is sheltered from unintentional jerks Connect the thermometer to the E Log as detailed in section 6 3 Connecting the sensors to the E Log 23 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 6 3 Connecting the sensors to the E Lo The control unit features a standard configuration for applications requiring environmental monitoring of photovoltaic applications Inputs 1 and 2 Air temperature and air relative humidity sensor Input 3 PV module contact temperature sensor e Input 4 Horizontal pyranometer e Input 5 Tilted pyranometer e Input 6 Horizontal solar cell Input 7 Tilted solar cell e Inputs 8 and 9 Wind speed and wind direction sensor The E Log terminals and the input actuator matching is given in the table below TERMINALS V 2 16 3 38 49 1 17 39 Table 5 Input actuator matching Wiring is illustrated in Figure 11 General wiring diagram 24 55 CARRARO GROUP USER MANUAL 9x SANTERNO METEO CENTER PLUS Oo 25 d d c ec DI 8 gt mer C ALIMENTAZIONE230V DPA251 1 04783 USCITA DATI RS485 101 RAD GLOBALE SU MODULO SOLARE CELLA FOTOV ORIZZONTALE TEMPERATURA ARIA ING
34. eferring to the nameplates described below In the event of any damage please contact the relative insurance company or the supplier If the delivery does not match your order contact the supplier immediately If the equipment is to be stored before installation make sure that the ambient conditions in the warehouse meet the necessary specifications see section 5 1 Environmental Requirements for Storage and Transport The warranty covers manufacturing defects The manufacturer shall not be held liable for any damage which may have occurred during transport and unpacking Under no circumstances shall the manufacturer be held liable for damage or faults caused by incorrect use misuse incorrect installation or inadequate temperature or humidity conditions or exposure to corrosives nor for faults caused by operation outside the rated values Nor shall the manufacturer be held liable for consequential or accidental damage Q NOTE For the terms of warranty please refer to the warranty certificates supplied with the product and the sensors 3 2 Product ID Code The product code is made up of the following elements METEO CENTER PLUS 3 3 Serial Number The serial number of the product is indicated on the nameplate at the back of the E LOG DATALOGGER See section 11 1 Nameplate 12 55 USER MANUAL Z SANTERNO METEO CENTER PLUS CARRARO GROUP 4 PRODUCT CONFIGURATION 4 1 E Log Datalogger Figure 3 E Log Datalogger E
35. ement made of galvanised iron and fastened to the ground by way of special stakes For optimum stability you may use tie rods made of steel or highly technological material light and robust easy to handle resistant to stretching and heating waterproof and coated for protection against abrasion and UV rays The tie rod specs are as follows Material Dyneema 12 layers Diameter 4mm Weight 1 24 kg 100 m Colour White with red blue black or lime inserts Critical temperature Melting point at 152 C Average braking strength 2056 kg Minimum breaking strength 1520 kg Chemical resistance Optimum resistance against acids and alkali UV resistance 50 robustness and tightness over 3 years Table 2 Technical specifications of the tie rods 4 5 Serial Ports The Meteo Center Plus is provided with a serial port for the connection to external devices Main features of the serial port e Optically isolated RS485 bus with MODBUS RTU standard protocol For more details on remote monitoring and the serial port characteristics please refer to section 7 COMMUNICATIONS AND REMOTE MONITORING 4 6 Standard Onboard Configuration The datalogger is fully programmable and is able to meet any requirements of your plant Programming may be done by skilled technicians only The datalogger features optimized factory setting for the monitoring of PV field environmental parameters The configuration below is given as
36. er failure 6 6 Power On 9 CAUTION Before applying voltage to the Meteo Center Plus control unit make sure that wiring is correct see Figure 11 General wiring diagram and make sure that all the power connections signal connections and aux connections are properly tightened Press the red button on the right side panel of the control unit to power on the Meteo Center Plus the data logging and monitoring will start automatically 26 55 USER MANUAL 2 SANTERNO CARRARO GROUP 7 COMMUNICATIONS AND REMOTE MONITORING 7 1 General Information METEO CENTER PLUS The Meteo Center Plus station is provided with a comms port enabling both local and remote connection with a remote monitoring system This ensures the following benefits 7 2 Full integration with the Santerno remote monitoring system for checking production performance and detecting alarms Complete remote monitoring accessibility in both local and remote mode from PC and SunwayPortal web portal Comms Ports and Protocols Used The RemoteSunway software provided by Elettronica Santerno allows data exchange to and from the inverter by using a PC as a Master device The RemoteSunway software allows image capture keypad emulation oscilloscope function and multifunction tester function able compiler containing operation history data parameter setting and data reception transmission storage to and from the computer scan function for the automatic d
37. er tasks may be delegated to others Person in charge of working activities Works Supervisor Person with the highest level of responsibility concerning the execution of work If required some of his her tasks may be delegated to others The Works Supervisor must give all persons involved in the execution of work activities the relative instructions concerning reasonably foreseeable dangers which may not be immediately apparent Skilled electrician Someone who has been trained and has enough technical knowledge or experience to enable him her to avoid the dangers which may be generated by electricity Instructed person Someone who has been adequately advised or supervised by a skilled person to enable him her to avoid the dangers which may be generated by electricity 10 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 2 CAUTION STATEMENTS This section covers safety statements The non observance of the safety instructions below may cause serious injury or death and equipment failure Carefully read the instructions below before installing starting and operating the equipment Only competent personnel must carry out the equipment installation SAFETY RECOMMENDATIONS TO FOLLOW DURING USE AND INSTALLATION OF THE EQUIPMENT Q NOTE Always read this instruction manual thoroughly before starting the equipment A DANGER ALWAYS EARTH THE EQUIPMENT Q WARNING If the equipment is installed in environments
38. etection of the connected devices Please refer to the User Manual of the RemoteSunway The serial port of the Meteo Center Plus uses the 2 wire RS485 standard with the standard Modbus RTU protocol The serial port connection is available on TB1 Terminal Block RS422 RS485 See Table 6 SERIAL PORT Protocol Optoisolated Port Terminal and contacts TB1 1 D DO Data RS485 Modbus Slave Yes TB1 2 D D1 Data Table 6 Serial ports The serial port factory settings are as follows Baud rate 9600 bps Data bits 8 Stop bits 2 cannot be modified Parity none cannot be modified Network address default 1 The Baud rate and Network Address parameters may be programmed via special software 27 55 METEO CENTER PLUS 9p USER MANUAL 1 SANTERNO CARRARO GROUP 7 3 Connection Topologies The Meteo Center Plus is typically connected to a RS485 multidrop network 000534 Pull Down Common Figure 13 Multidrop connection diagram The RS485 multidrop network including multiple devices must be wired using a linear and not a star topology each device connected to the line must be connected by an incoming cable from the previous device and have an outgoing cable to connect the next device The exceptions are obviously the first and last devices in the chain which will have only an outgoing line and an incoming line respectively The devices connected to a RS485 section are called
39. f error as detailed in the table below Number of Problem Solution flashes Try to transfer data processed by the device If the error 1 Memory data access persists please contact the Customer Service to have the device re configured Transfer data processed by the device then turn the device 2 IPC off on again If the error persists please contact the Customer Service Possible programming error Please contact the Customer Sensor acquisition Service technicians who will check the correct configuration of the device Check the status of the batteries of the connected sensors measure the battery level check the sensor flashes perform transmission tests via radio Replace batteries if required Low battery of one or more sensors Possible programming error Please contact the Customer 4 Parameter configuration Service technicians who will check the correct configuration of the device If the error is detected as soon as the datalogger is activated you can reset the error and go on with normal operation If a new error is detected during operation with no communication with the acquisition system try to turn off and on the device again If the error persists please contact the Customer Service 5 Data searching Table 10 Flashing mode of the red Err LED The error detected by the device is also indicated as follows 1 By activating the error digital signal 2 By displayi
40. follows e 2 inputs for optoelectronics sensors inputs 9 and 10 max freq 10 kHz 2 frequency inputs inputs 11 and 12 max freq 1 kHz 4 ON OFF logic status inputs may acquire 0 to Vdc signals State input level low 0 1 5 V State input level high 2 3 V Max input frequency 10 kHz Max error Hz 10 kHz Protection Transient voltage suppressor 600W 10us Serial inputs Total measures Acquisition from sensors with serial output or radio output supported protocols LSILASTEM CISS ZigBee data format LSI LASTEM CISS e GILL Windsonic anemometers Giletta Lufft Climatronics 99 as asum of the measures corresponding to the acquired sensors from terminal board or serial port and to the calculated measures Actuator outputs Max current for one output individually actuated 0 7 A Max current with all outputs simultaneously actuated 1 2 A Protections e Overcurrent gt 0 7 A each output e Thermal protection Actuation logics 44 55 Up to 20 programmable logics Utilization of the instantaneous values of the acquired or calculated measures Activation of the actuator outputs based on AND or OR logics applied to one or more actuation logics USER MANUAL METEO CENTER PLUS Z SANTERNO CARRARO GROUP Comms protocols Serial port 1 Native CISS for instrument programming internal clock calendar setting data download instantaneous val
41. id Battery level 13 00 01 00 measure dala Average solar RAS Calculated radiation 1 g n measure Total solar radiation _ 00 00 01 Calculated _ 1 measure Average solar _ 00 00 01 Calculated _ radiation 2 measure Total solar radiation 00 00 01 Calculated 2 measure Average solar ABS Calculated radiation 3 g Total solar radiation _ 00 00 01 Calculated _ 3 measure Average solar 00 00 01 Calculated _ radiation 4 measure Total solar radiation 00 00 01 Calculated 4 measure m PES Calculated _ Average direction 00 00 01 measure pP Calculated _ Average speed 00 00 01 measure number of instant values to be considered when calculating the average total floating angular average 60 Processing rate is the same for all measures 10 minutes 1855 USER MANUAL 9 SANTERNO METEO CENTER PLUS CARRARO GROUP 5 HANDLING AND PLACEMENT The Meteo Center Plus is supplied fully disassembled Components are contained into several parcels Mounting and installation must be carried out by skilled technicians only 5 1 Environmental Requirements for Storage and Transport Ambient temperature for storage and transport 25 C 70 C From 5 to 95 from 1 g m to 25 g m with no condensation or ice Ambient humidity for storage formation category 3K3 in compliance with EN50178 Ambient humidity during Maximum 95 up to 60 Slight condensation may occ
42. ind speed and Wind direction combined sensor The wind speed and wind direction combined sensor includes all the transducers needed to measure the wind speed and wind direction It makes the station installation easier and the station structure lighter Moreover it is smaller lighter and cheaper than the two separate units used for this kind of applications The measure system is composed of the sensor the cup rotor measuring the air speed the weather vane measuring the air direction and the cable for the connection to the detecting device The sensor suggested by Elettronica Santerno has a direct output of the frequency signal Hz for the wind speed and the resistance signal Ohm for the wind direction 14 55 USER MANUAL 9 x SANTERNO METEO CENTER PLUS CARRARO GROUP 4 3 2 Second Class Pyranometer Figure 6 Second class pyranometer The pyranometer measures the global and surface reflected solar irradiance reaching the earth s surface The pyranometer measures solar radiation ranging from 285 to 2800 nm with 2rr steradian view The sensor is provided with an adjustable hose whose angle is the same as the PV modules 4 3 3 Solar Cell Radiometer Figure 7 Solar cell radiometer The solar cell radiometer offers a spectral and directional response that can be compared to the module response It can be useful to evaluate the solar radiation values in order to estimate the PV plant performance The solar cell radiometer c
43. ipment in for repair please contact the CUSTOMER SERVICE to agree upon the terms 11 TECHNICAL DATA 11 1 Nameplate The nameplate indicates all the technical data and identification data of the Meteo Center Plus station The nameplate is placed on the back of the E Log datalogger 12V77 600mA 07 0901 24V 50Mz G0mA scs CE orem E Dentes SETI MA DAN M Figure 16 Nameplate of the Meteo Center Plus 43 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 11 2 Technical and Electrical Specifications of the E Log Datalogger Scale Resolution 300 1200 mV 40 uV Voltage 78 mV 39 mV 1 5 uV 50 70 0 003 C dibus 50 600 C 0 013 C Resistor 0 6000 Q 0 19 O E IPTS 68 lt 0 1 C J IPTS 68 lt 0 1 C Thermocouple SAC K IPTS 68 lt 0 1 Analog inputs S IPTS 68 0 22 C T IPTS 68 lt 0 1 Sampling duration rejection 50 Hz 80 ms ESD protection 8 kV contact discharge IEC 1000 4 2 t1 2kV air gap discharge IEC 1000 4 2 Channel to channel crosstalk 93 dB Max input signal 3 V All channels are provided with EMC filters Error based on temperature Scale 300 1200 mV lt 10 0196 FSR 10 30 e Scale 39 mV lt 0 01 FSR 10 30 C Scale 78 mV 0 01 FSR 10 30 Digital inputs 4 digital inputs allocated as
44. isable to use conductors a larger section up to 0 75mm Maximum length 500 metres with reference to the maximum distance measured between the two stations furthest apart Characteristic impedance Recommended over 1000 typically 1200 Q Table 7 Connection cable for RS485 bus NOTE It is advisable to connect all the equipment connected to the multidrop connection network to the earth by means of a common conductor In this way any differences in earth potential between different equipment which may interfere with communications is reduced to a minimum The common terminal OV connection is necessary An OV connection which is common to all equipment in the multidrop communication network minimizes possible differences of reference potential between the equipment which could interfere with communication The common reference of control board power supply is isolated in relation to earth By connecting one or more inverters to a communication device with a common earth for example a PC a low impedance path between the control board and earth is obtained It is possible that disturbances conducted at high frequency from the power parts of the inverter may transit along this path and this can cause malfunctions to the communication apparatus It is always advisable to equip the communication equipment with a galvanically isolated RS485 communication interface or a galvanically isolated RS485 USB convertor CAUTION C
45. l and electrical features of the tacho gonioanemometer 47 55 METEO CENTER PLUS 48 55 Z SANTERNO USER MANUAL CARRARO GROUP 11 3 3 Standard Second Class Pyranometer Figure 19 Standard Second Class Pyranometer Sensitive element Thermopile Measure range lt 2000 W m Spectral response 285 2800 nm Impedance 10 50 Q Operating temperature 40 80 C WRC WRR Traceability Calibration with reference sensor certified at the WRC in Davos W m 0 lt 0 lt 80 Sensitivity of the measuring element 0 5 Sensitivity of the radiometer 7 14 uV W m Maximum irradiance 4000 W m Number of domes 2 External screen Yes Weight approx 1 Kg 10 m cable included Desiccant Silica gel Response time 90 5 Offset A lt 7 W m Offset B lt 2 W m Stability change year lt 30 5 sensitivity Direction error azimuth cosine W m at 1000 W m Non linearity at 1000 W m Response to temp 50 K range lt 1 10 40 C 30 5 96 Uncertainty 9596 of the confidence level Total daily 296 Table 15 Technical and electrical features of the pyranometer USER MANUAL 9 SANTERNO METEO CENTER PLUS CARRARO GROUP 11 3 4 Solar Cell Radiometer Figure 20 Photov
46. lation instructions of the Meteo Center Plus of the datalogger and the sensors 6 1 Installing the E Log Datalogger The datalogger is supplied fully assembled inside a 500x400 mm case degree of protection IP65 The datalogger is provided with a 12 V 40 Ah In its top part the E Log is provided with a front panel featuring a display some indicator lights enabling checking the operating conditions of the device and a keypad In its bottom part the E Log is provided with a terminal block covered by a terminal protecting carter The terminal block is connected to all the signals of the sensors and the external power supply devices The serial link connectors are on the left side on the E log whilst the socket for the external power supply unit and the on off switch are on the right side of the E Log The E Log is provided with 8 analog inputs 4 digital inputs and 3 actuators for the power supply of the sensors connected to the terminal block 6 1 1 E Log Power Supply The connection to the E Log input output terminals and the devices that may be connected are given in the table below Line Connection Terminal 0 Vdc Battery 64 Input 12 Vdc Battery 65 GND 66 Fixed Vdc power supply for external devices 31 sensors Output OVdc 32 Vdc power supply for external devices sensors 33 Table 4 E log power supply All models may be power supplied by an external power supply unit as well see figu
47. n and Wind Speed Combined Sensor Figure 18 Wind direction and wind speed combined sensor Operating principle Cup and weather vane tacho gonioanemometer Wind speed sensor Optoelectronic disc Wind direction sensor 2000 Ohm potentiometer Housing Anodized aluminium coated with epoxy resin Transducer support Stainless steel bar low inertia moment Degree of protection upright position IP65 Mechanical assembly On 48 50 mm pole Output electric terminals IP65 connectors Weight sensor with rotors 950 g CE Industrial environments Damage threshold gt 75 ms Operating temperatures 30 70 Speed Measure range 0 60 ms Threshold 0 21 ms Response time 6396 at 12 ms 25s Delay distance 63 at 1 1 ms 7 7m Resolution integration time 1 s 0 05 Accuracy amp linearity 0 1 m s 1 VL read value Direction Measure range 0 360 electrical 0 356 Threshold 0 15 ms Response time 63 at 12 ms 0 74 5 Delay distance 63 at 1 1 ms 43m Logarithmic damping at 4 ms d In a b 1 9 Wavelength at 4 ms 1 7 4 Transfer function Dir 4 355 x Rig 2000 Resolution 0 1 Accuracy 1 FS over the full scale Integral linearity 0 5 a b Maximum tangential displacement referred to the same direction angle Product of the air speed and the interval between two elongation peaks Table 14 Technica
48. ndicate the error condition e the measure is acquired by the device The measure programming is inconsistent with the type of signal to be measured selected electrical type type of linearization parameters for recalculating the scale etc Sensor cut out or not correctly connected to the terminal board If the sensor is power supplied via an actuated output the power on time could be too short nput electric signal is off scale e If the measure is calculated Off scale value or error value from one or more measures assigned to the measure to be processed Algorithm output error of the calculated measure If the number to be displayed is 999999 or gt 999999 the display will show Overfl 10 2 Malfunction of the Comms Ports 10 2 4 Serial Communications Failures e Check if all programming parameters are correct e Check if the line terminators are correctly set Check the values of the idle bus and the line polarization e Differential voltage between A D1 and B DO equal to approx 200 mV e 2 6 V between line A D1 and Common 24 V between line DO and Common 42 55 USER MANUAL 9 SANTERNO METEO CENTER PLUS CARRARO GROUP 10 3 How to Contact the Customer Service The information below is required when contacting the Customer Service Product model Serial number Date of commissioning Confirmation of order if available Should it be necessary to return the equipment or to send the equ
49. nerale e Legale Rappresentante AN O indicano codici con numerazione compresa 5455 USER MANUAL gt SANTERNO METEO CENTER PLUS CARRARO GROUP LSI LASTEM S r l Via Ex S P 161 31 Dosso n 9 20090 Settala Premenugo MI Italia na Tel 39 02 95 41 41 WEB http www Isi lastem it 4 Fax 39 02 95 77 0594 Iva VAT IT 04407090150 e mail info lsi lastem it REA 1009921 Reg Imprese 04407000150 Ref CE009 06 DICHIARAZIONE DI CONFORMITA CE Dichiarazione del Costruttore sulla garanzia che la produzione di serie sia conforme al Campione Certificato Dichiarazione del Costruttore sulla conformit alle Direttive Europee EMC Nome del produttore Lsi Lastem Srl Con la presente si dichiara che tutti i prodotti della seguente serie Nome Prodotto Radiometri Codici 516 518 501 DPA503 DPA553 DPA558 DPA521 DPA523 506 DPA508 560 DPA568 DPA511 DPA513 554 DPA559 DPA007 DPA009 DPA153 DPA253 DPA047 prodotti dalla nostra azienda sono costruiti in modo identico all esemplare testato prodotti sono conformi ai requisiti imposti dalla Direttiva Europea EMC Directive 89 336 EEC inclusa 93 68 EEC e quindi sono conformi alle norme europee in parentesi gli standards internazionali e EN50082 1 EN 55011 EN 55022 CISPR 22 Interferenza elettromagnetica EN 55024 IEC61000 4 2 3 4 5 6 8 11 Immunit elettromagnetica EN 61000 3 2 IE
50. ng the numeric value of the detected error the error code is given in the diagnostic mask of type 1 The numeric code may also indicate more than one error The value displayed is expressed in hexadecimal notation 3 When communicating with special programs from the manufacturer the programs may show the numeric code or the description of the error detected by the device when transferring processed data or when sending configuration data 4 Bysending the operation status of the system via Modbus communications protocol 41 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP Do the following to deactivate the error signal 1 When the error code is displayed in the diagnostic mask of type 1 press F2 to reset the error however the error will be displayed again when accessing and quitting the diagnostic mask 2 During data transfer or the configuration between the device and the PC in that case the device will reset the error as it is considered as already detected by the operator In both cases resetting the error condition will cause the Err LED to turn off will cause the error ID to disappear from the diagnostic mask of type 1 and will cause the signal deactivation on the actuator output if programmed via the relevant actuation logic When a new error is detected the error signals above will be reactivated 10 1 1 Malfunction Indicated in the Measures The values given in the measures instant values may i
51. oltaic Cell Radiometer Solar cell coming in 4 versions Monocrystalline Sensitive element e Polycrystalline e Amorphous e EFG Measure range lt 1500 W m Operating temperature 25 80 C Depending on the material of the solar ralr n Spectral response cell installed on the sensor Radiometer sensitivity 2100 mV 1000 W m 25 C lt 4 model with crystalline material Uncertainty 9596 confidence level 3596 model with amorphous material Table 16 Technical and electrical features of the photovoltaic cell radiometer 49 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 11 3 5 Contact Temperature Sensor 20 30 Figure 21 Contact temperature sensor Measure range 50 80 Sensitive element PT100 1 3 DIN B Accuracy 0 1 Q 0 C Reproducibility 1 5 accuracy Electric output PT100 0 1 3 DIN Operating temperature 40 95 Weight cable included approx 200 g Connection cable 20 m standard Table 17 Technical and electrical features of the contact temperature sensor 50 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 11 3 6 Thermohygrometric Sensor Figure 22 Temperature and relative humidity sensor Temperature RH relative humidity Measure range 30 70 C 0 100 PT100 1 3 DIN capacitive T 0 1 0 C 1
52. omes in four versions monocrystalline polycrystalline amorphous and EFG thus guaranteeing that the spectral response of the radiometer is consistent with the response of the PV modules in the plant A PT100 probe is installed on the back of the cell to measure its temperature The radiometer sensor is provided with an individual sensitivity certificate 15 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 4 3 4 Contact Temperature Sensor Figure 8 Contact temperature sensor Elettronica Santerno suggests 4 wire PT100 1 3 DIN compliant with IEC 751 for outdoor applications 4 3 5 Thermohygrometric Sensor The thermohygrometer optional measures the air temperature and the air relative humidity This is an accurate and reliable probe suitable for continuous operation even under harsh weather conditions such as wide temperature ranges and hygrometric ranges and high solar radiation The thermohygrometric sensitive element is easily interchangeable thus making maintenance easy with no need of re calibrating the sensor Technical specifications are given in section 11 3 6 16 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 4 4 Pole and Tie Rods The Meteo Center Plus weather station is typically mounted on a pole 2 to 3 meters high with a diameter of 50 mm The pole is fixed to a plinth made of reinforced concrete that must already be in place or fixed to a special bas
53. other info When displaying the communication statistics press the left right arrows to switch from serial link 1 to serial link 2 and vice versa When displaying the diagnostic mask of type 5 press the left right arrows to show hide additional info on GPRS modem communication reserved to skilled technicians only Displays the previous diagnostic mask Displays the next diagnostic mask When displaying the diagnostic mask of type 5 it turns on the GPRS modem if it is off and activates data transmission via GPRS When displaying the diagnostic mask of type 5 press this button to reset the GPRS modem 0 08 0000 8 2 Information on the Display The following info is displayed e Mask of the product info e Scrollable list of the instant values of all the programmed measures e Diagnostic info 8 2 1 Mask of the Product Info When the datalogger is powered on the following info is displayed for few seconds 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 where XXX device model aa bb cc firmware version higher lower build e yymmnnnn serial number e uuuuuuuu serial number or name of the datalogger defined by the user The data above may be displayed at any time by selecting the Product Info mask from the keypad 8 2 2 Instant Values of the Programmed Measures Each line indicates the latest value acquired or computed One or multiple lines are displayed 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
54. quirements for storage and transport 19 SUPPLY PE H 20 input actuator tre o o ta ha heim dI nci iE 24 Serial Ports 27 Connection cable for R8485 29 Measures M001 to M020 at a glance nnen N ENAERE EERE 30 Maintenance aa 37 Flashing mode of the red Err LED iiic tete eil 41 Caratteristiche tecniche ed elettriche del E LOG DATALOGGER 45 Technical and electrical specifications of the temperature 46 Technical and electrical specifications of the antiradiation screen 46 Technical and electrical features of the tacho gonioanemometer 47 Technical and electrical features of the pyranometer 48 Technical and electrical features of the photovoltaic cell radiometer 49 Technical and electrical features of the contact temperature sensor 50 Technical and electrical features of the thermohygrometric sensor optional
55. re below by using the connector on the right side panel in that case the positive pole is internal to the connector Although the device features protection against polarity mismatch make sure that the power supply polarity is respected 20 55 USER MANUAL METEO CENTER PLUS Z SANTERNO CARRARO GROUP Figure 9 Power supply connector Connecting the GND wire if fitted to terminal 66 is recommended If no GND wire is fitted make sure that terminals 60 and 61 are short circuited This improves immunity to electromagnetic disturbance and enhances protection against induced and conducted discharges 9 CAUTION When using terminals 31 and 32 for the power supply of external devices make sure that they are provided with a protective circuit against short circuits or against current absorption exceeding 1 A 6 2 Installing the Sensors 6 2 1 Air Temperature Sensor The thermometer shall be mounted in a place where the ground features the urban structure and the environmental conditions are as close as possible to the features of the place where measures are taken Make sure that no heat radiating elements such as concrete floors asphalt walls etc are to be found near to the installation place The thermometer should be installed 1 5 2m from the ground as suggested by the WMO Avoid exposing the sensor over non natural radiation surface such as a tar coated building surface or the upright surface of the photovoltaic module
56. s Also avoid exposing the sensor to artificial thermal sources such as radiators or convectors in inverter plants The sensor is supplied with an antiradiation screen featuring high reflective power and with a pole supporting collar Do the following to install the sensor e Place the collar at the desired height typically 1 5 2 m and tighten the screws by using a hex key N 6 e Fasten the antiradiation screen to the collar e Insert the thermometer into the screen from the bottom and screw the cable gasket to fasten the sensor to the screen 21 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP Figure 10 Installing the sensors e Connect the thermometer to the E Log datalogger as detailed in section 6 3 Connecting the sensors to the E Log 6 2 1 Wind Direction and Wind Speed Sensor Once a well exposed site reasonably free from surrounding obstacles has been found the wind direction and wind speed combined sensor should be mounted at a height of 10m from the ground on a special structure as suggested by the WMO By positioning the sensor on top of the pole you can get a rather precise idea of what happens at the PV modules height Make sure that obstacles if any are located at a minimum distance of 10 times the height of the sensor over 30m in our application The sensor is supplied with a cup rotor a weather vane rotor and a 7 pole shielded cable Do the following to install the sensor e Mo
57. sales santerno com METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP Table of Contents 1 GENERAL INFORMATION ON THE 6 1 1 COMPONENTS OF THE METEO CENTER PLUS 8 1 2 MAIN STANDARD FUNG TIONS 9 1 3 SCOPE OF THES MANUAL sica 9 1 4 FOR WHOM THIS MANUAL IS INTENDED eem 9 15 ATTACHED DOCUMENTA FVIGON 9 1 5 1 PRESERVATION OF THE DOCUMENTATION seen 9 NEU e b dh chm s 10 li je m 10 2 CAUTION STATEMENTS 11 21 INTENDED WSE lalla 11 22 QUALIFIED TECHNICAL PERSONNEL lille 11 S PRODUCT IDENTIFICATO N iie tic E Redi pac pe RP rana 12 dl DELIVERY CHECK lla 12 3 2 PRODUCT PLORA P gr Hes 12 3 3 SERIAL NUMBER lei 12 4 PRODUCT CONFIGURATION gt 13 4 1 IELOGDATALOGGER Lm 13 4 2 SENSORS nata 13 4 3 AIR TEMPERATURE SENSOR orsi 14 4 3 1 WIND SPEED AND WIND DIRECTION SENSOR eee 14 4 3 2 SECOND CLASS nennen nennen 15 433 SOLAR CELL RADIOMETER ies oie tette reete th etn etd eoe eeu rae det 15 4 3 4 CONTACT TEMPERATURE SENSOR e 16 4 3 5 THERMOHYGROMETRIC 5 seen 16 44 POLE AND TIE RODS ert e ria 17 2 EI M uP Dee en 17 4 6 STANDARD ONBOARD CONFIGURATION 17 5 H
58. sure the radiation value with a radiometer of the same type as the solar sensor being used in order to check the actual response to solar radiation Compare the measure obtained with the measure taken by the probe being tested and check that the probe values range within the allowable values Elettronica Santerno recommends that the sensor is checked cleaned every six months 39 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 9 6 Contact Temperature Sensor The contact temperature probe does not need particular maintenance tasks Only make sure that the probe sticks to the photovoltaic module If required apply some conductive paste and fasten the probe to the PV module Functional test Measure the PV module temperature with a thermometer Compare the measure obtained with the measure taken by the probe being tested and check that the probe values range within the allowable values Elettronica Santerno recommends that the sensor is checked once a year 40 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP 10 TROUBLESHOOTING This chapter indicates the most likely causes of the most common problems If the problems persist please contact the Customer Service of Elettronica Santerno SpA 10 1 Malfunction of the Datalogger and or the Connected Sensors In the event of a malfunction the Err LED red on the E Log keypad comes The different flashing modes indicate the type o
59. talogger will display the next diagnostic mask If the GPRS modem is off the following message will be cyclically displayed Modem GPRS off Press display additional information the GPRS connection If the E Log datalogger is programmed to power on off the modem the following message is displayed when the modem is off If the E Log datalogger has been programmed to operate with the GPRS modem but communications failures occur between the two devices or over the GPRS network the following message appears 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 35 55 METEO CENTER PLUS USER MANUAL Z SANTERNO CARRARO GROUP Press TP to display the diagnostic mask of type 6 where e mm number of the measure for which an alarm tripped based on the status detected by the actuation algorithm Maximum 26 alarms may be displayed If no actuation algorithm has been programmed the mask of type 6 is not displayed Press to go back to the product info mask 8 2 1 LEDs The keypad of the E Log datalogger is provided with N 2 two coloured LEDs for the operating conditions of the datalogger OK ERR and communication to from external devices Rx Tx 1 Tx o TAPER M3 mee Figure 15 LEDs The LED functions are described below Status Indicator Communication Description Indicator Off Device off or supply voltage under the minimum allowable threshold 7 V
60. ues and values processed by measures and diagnostics info support to GPRS transmission mode TCP or FTP mode Serial port 2 to be chosen among e Reduced native CISS as per serial port 1 CISS sensors acquisition from LSI LASTEM cordless sensors TTY transmission of instant data uncontrolled or on demand of diagnostics measures and info e Modbus transmission of instant data of diagnostics measures and info Measure processing Statistics arithmetical and vector process algorithms may be individually programmed for each measure computed on a unique time basis from 1 second to 12 hours for all the measures measures are processed by default every 10 minutes Power supply Average consumptions without sensor actuation Input voltages 12 V DC 12V 10 8 channel acquisition display on 136 mW 8 channel acquisition display off 115 mW Power down lt 4 mW Protections e Internally overcurrent short circuit actuation current including external load 1 5 Transient voltage suppressor 600 W t 10 us Polarity reversal Operating temperature of the protection electronics 40 70 C Internal Format year month day hours minutes seconds clock calendar Deviation 30 seconds a month with T 25 C Display Alphanumeric 4 x 20 characters based on the product model Keypad Membrane 8 keys based on the product model Processors 2 RISC 8 bit 16 MHz clock
61. unt the cup rotor on the sensor body and fasten it by tightening the internal grub screw on the rotor side with the hex key supplied with the sensor e Mount the weather vane rotor on the sensor body and fasten it by tightening the screw on top of the tacho anemometer Make sure that the tooth of the weather vane fits into the special hole on the support pin e Run the screened cable inside the pole and make sure that the 7 pole female connector exits from the pole head Connect the cable to the sensor e Mount the sensor on the pole head Set the red tip to North and fasten the sensor by tightening the sensor screws with a 10 metric wrench e Connect the tacho anemometer to the E Log as detailed in section 6 3 Connecting the sensors to the E Log 6 2 2 Solar Radiation Sensors Install the solar radiation sensors exposed to the South so that they are never in the shade Install the sensors 2 metres high in a grassy place Tilt is horizontal for the sensors mounted on the pole As per the sensors that are mechanically interlocked with the PV modules tilt shall have the same angle as the PV modules Do the following to install the solar radiation sensors horizontally to the ground Mount the support collar on sensor holder rod DYA034 at a height of approx 2 m fasten the screws by adjusting the rod to the South 22 55 USER MANUAL Z SANTERNO METEO CENTER PLUS CARRARO GROUP Adjust the two knurls of the pyranometer so that they
62. ur when the transport equipment is not running category 2k3 in compliance with EN501 78 Atmospheric pressure for storage From 86 to 106 kPa classes 3k3 and 1k4 in compliance with EN501 78 Atmospheric pressure during From 70 to 106 kPa classes 2k3 in compliance with EN501 78 transport Table 3 Environmental requirements for storage and transport 5 2 Installation Place Choosing a proper installation place is critical for the reliability of the acquired measures If measures detected from different points are to be compared the control units are to be placed in a similar position Choose a place which represents the general condition of the plant site The installation place should be an average sized flat surface covered with well mown grass far from direct effects caused by trees building slopes and structures that may affect measurement particularly obstacles exposed to South that may shadow the solar radiation sensors the position of the sun shall be considered at any time of the day and in every season as well as obstacles that may affect wind measurement The WMO World Meteorological Organization recommends that any obstacle in the proximity of the anemometer be placed at a distance equal to or higher than 10 times its height 5 3 Placing the Sensors Sensors shall be placed as shown in Figure 2 e wind speed and wind direction combined sensor DNA121 C on top of the pole making sure that the re
63. ys maximum attention to all measured values by exploiting the most advanced technologies the best materials and the most innovative building and installation techniques in compliance with the World Meteorological Organisation WMO The overall measurement uncertainty is therefore reduced to a minimum and the plant performance rating is precise and reliable 6 55 USER MANUAL 9 SANTERNO METEO CENTER PLUS CARRARO GROUP The Meteo Center Plus and all its sensors are compliant with the most stringent national and European safety regulations The wide range of products and their reliability enable meeting any requirement of the PV plant State of the art design and ISO 9001 quality control are the strong points of a reliable product able to keep its features unchanged over time Designed to operate under harsh environmental conditions the Meteo Center Plus weather station ensures continuous safe operation Q NOTE Elettronica Santerno reserves the right to make any technical changes to the devices shown in the pictures without any prior notice The same applies to the appearance of the devices 7 55 METEO CENTER PLUS 9 SANTERNO USER MANUAL CARRARO GROUP 1 1 Components of the Meteo Center Plus The components of the Meteo Center Plus are given below e High efficiency low consumption weather data acquisition control unit featuring MODBUS RTU interface e Sensors meeting WMO World Meteorological Organization requirements

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