Omega WMS-16 Weather Radio User Manual
Contents
1. From the Sensor Types Menu select 2 WIND SPEED From the Wind Speed Sensors Menu select 1 WS 01 02 Then press ENTER From the Sensor Input Channel select number 1 P1 Pulse Counter Then press ENTER The Sensor configuration screen is displayed and it will show 13 Sensor type Model Input Calibration Wind Speed WS 01 02 P1 If you intend to add another sensor select A If you do not want to add another sensor select Q You will be asked if you are sure that you want to erase memory If you have added or deleted a sensor select Y if not select N and press ENTER To initialize the Wind Direction sensor Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SET UP Then press ENTER From the Station Set up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER From the Sensor Type Menu select number 3 Wind Direction Then press ENTER From the Wind Direction Sensor menu select number 1 WS 02 then press ENTER From the Sensor Input Channel menu select number 11 ANALOG INPUT A7 Then Press ENTER The Sensor Configuration menu appears and it will show Sensor type Model Input Calibration Wind Speed WS 01 02 P1 Wind Direction WS 02 AT Temperature thermistor and Relative Humidity capacitive sensor installation Connect the combination temperature and relative humidity sensor s cable to the terminal strip on the back of the control module This sensor has a five conductor2. at the main menu Enter the number of days to be retrieved any number from to 100 The first 18 data records will be displayed in the format shown A maximum of 18 records can be displayed on a single screen so the remaining data must be continued on succeeding screens To view the next screen simply press the space bar Each successive screen may be viewed by pressing the space bar You may not however return to a previous screen you must return to the main menu and begin the retrieval procedure anew If you want to further manipulate or obtain a printed copy follow the procedure described in the Data Download section below Data Download Selection 5 on the main menu Data download allows you to save a permanent record of the WMS 16 s stored data The data retrieval procedure is dependent on the communications software program used Using Microsoft HyperTerminal saving the program to disk is accomplished as follows gt Press 5 at the main menu gt Then press Y transfer is a nondestructive readout The format of downloaded data is shown in Figure 9 Omega Base Station DATE TIME WS PK BP RH TP 17 Feb 17 53 0 25 1 5 17 Feb 17 54 0 0 28 96 28 96 79 25 79 31 48 06 48 06 Figure 9 WMS 16 Data Download Clear Logging Memory The final selection on the main menu lets you erase the stored data from the WMS 16 s memory and begin logging fresh data Once the WMS 1
3. Shop online at omega com CEOMEGA www omega com e mail info omega com IS09001 IS09002 CERTIFIED CERTIFIED CORPORATE QUALITY CORPORATE QUALITY STAMFORD CT MANCHESTER UK WMS 16 Complete Weather Station INTRODUCTION Congratulations on your purchase of a WMS 16 Weather Station and welcome to the world of modular user friendly weather data collection The WMS 16 has been carefully designed with the user in mind and we are confident that it will provide you with convenient and accurate weather data for years to come The WMS 16 is a state of the art microprocessor based weather station that provides capabilities unequaled in similarly priced instruments In its standard configuration measurements for wind speed direction temperature humidity and precipitation are collected and processed by the control module Any or all of these weather parameters can be included by simply adding the appropriate sensors The exact configuration is determined by the user based on demands of the intended application Data Output Display and Logging Real time weather data is output by the WMS 16 over its RS 232 interface and this data can be readily viewed by either using a PC based communications program or with the optional software for the WMS 16 In addition to current weather information the WMS 16 s data logging capability allows up to 45 days of data taken at 15 minute i
4. alarm switch drops out of the alarm condition before the alarm switch deactivates After entering this information the Setup menu reappears and to add additional alarms the process must be repeated Part B Interfacing to the Alarm Circuit An intermediate relay is recommended as the alarm interface to the device being controlled by the alarm The intermediate relay provides isolation from any voltage or current spikes that might be associated with the device being controlled e g a pump motor starting Further it is possible to use a programmable time relay in order to insure that the alarm does not go into a dithering state A typical implementation is shown in Figure 11 WS 16 Termin Intermediate Relay beh ate e To Alarm controlled load Figure 14 Alarm Setup Interfacing the WMS 16 with a Telephone Modem The WMS 16 has a modem compatible firmware which makes it possible to connect a standard telephone modem with a speed capability of at least 9600 baud between the WMS 16 and a telephone line so that the WMS 16 can be accessed remotely via telephone from a computer The serial cable from the WMS 16 is plugged into the modem The modem at the WMS 16 is configured for auto answer and to always have DCD on The modem is then plugged into a telephone line and it is ready to be called from a remote location In order to call the WMS 16 from a remote computer the computer needs to have a communications
5. amp Thermistor Probes Connectors Panels amp Assemblies 4 Wire Thermocouple RTD z Thermistor A Calibrators amp Ice Point References A Recorders Controllers amp Process Monitors 4 Infrared Pyrometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gages 4 Load Cells amp Pressure Gages 4 Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers WF Air Velocity Indicators A Turbine Paddlewheel Systems A Totalizers amp Batch Controllers pH CONDUCTIVITY A pH Electrodes Testers amp Accessories 4 Benchtop Laboratory Meters 4 Controllers Calibrators Simulators amp Pumps 4 Industrial pH amp Conductivity Equipment DATA ACQUISITION 4 Data Acquisition amp Engineering Software 4 Communications Based Acquisition Systems 4 Plug in Cards for Apple IBM amp Compatibles 4 Datalogging Systems A Recorders Printers amp Plotters HEATERS 4 Heating Cable Lt Cartridge amp Strip Heaters 4 Immersion amp Band Heaters 4 Flexible Heaters 4 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL 4 Metering amp Control Instrumentation 4 Refractometers 4 Pumps amp Tubing A Air Soil amp Water Monitors A Industrial Water amp Wastewater Treatment A pH Conductivity amp Dissolved Oxygen Instruments M3749 1001 omega com CEOMEGA OMEGAnet Online Service I
6. CURRENT TEMPERATURE 51 6F 0 2F change during past hour TODAY S HIGH LOW 53F at 09 42 39F at 07 12 DEW POINT 45F AUX TEMPERATURE 0 0F 0 0F change during past hour SOLAR RADIATION 0W m 2 BAROMETER 29 08in 0 16in change during past 3 hours TODAY S HIGH LOW 29 08in at 10 54 28 80in at 00 43 RELATIVE HUMIDITY 78 4 change during past hour PRECIPITATION Since Last Log 0 00in Today 0 00in This Month 0 00in Press Esc for main menu Figure 4 WMS 16 Observation Screen To simulate a change in temperature and humidity lean close Temperature Humidity Sensors to the sensor or to the solar shield and breathe onto the sensor until you see a corresponding increase in the displayed Wire the cable from the Temperature Humidity sensor into the tempers bare and humidity values terminal strip on the WMS 16 module as shown in Figure 1 Call up the main screen Figure 3 on the display terminal by pressing Esc for main menu Press 2 for Current Observations at the main menu Then press 1 for observation display Figure 4 Obtain current values for temperature and humidity from the nearest airport or weather service facility and see that the values shown on the main display agree approximately with them WMS 16 Weather Station Operator s Manual 6 OPERATION The WMS 16 Weather Station collects and logs data automatically requiring little user input Ultimate control however is provide
7. F F inHg in W m 2 02 01 15 18 Oi Zak 318 FITZ 0 0 56 29 32 0 00 0 02 01 15 19 0 21 0 6 329 HOTZ 0 0 56 29 32 0 00 0 02 01 15 20 1 9 Bs 323 HOS Z 0 0 ST r 29334 0 00 0 02 01 15 21 139 3 6 283 4972 0 0 59 29 31 0 00 0 02 01 15 22 1 8 326 284 5752 0 0 59 29532 0 00 0 02 01 15 23 2 6 4 5 320 FOZ 0 0 59 1 29232 0 00 0 02 01 15 24 2 0 3 0 317 HOT EZ 0 0 99 29 31 0 00 0 02 01 15 25 1 8 2w 312 HOTZ 0 0 59 29 331 0 00 0 02 01 15 26 233 36 320 5721 0 0 59 29 31 0 00 0 02 01 15 27 2 0 3 20 309 Hoe 0 0 60 29 31 0 00 0 02 01 15 28 2 4 4 5 304 Tse di 0 0 60 29 31 0 00 0 02 01 15 29 4 2 Ses 296 HOG 0 0 60 29 31 0 00 0 02 01 15 30 1 6 354 284 so at 0 0 61 29 32 0 00 0 02 01 15 31 239 4 5 292 57 1 0 0 64 29 31 0 00 0 02 01 15 32 Zack 4 2 266 TDL e 0 0 61 29584 0 00 0 02 01 15 33 3al 4 2 292 POTAZ 0 0 62 29 32 0 00 0 02 01 15 34 3 8 Sad 267 POT 2 0 0 61 29 31 0 00 0 02 01 15 35 233 4 5 282 HITZ 0 0 62 29 32 0 00 0 Press any key to continue or Esc key to exit Figure 8 Data Log Display Display Log by Days This procedure is identical to the Display Log by Hours option with the exception that data is retrieved in multiples of one day This displayed data is in the same format as the logged data retrieved by hours See Figure 8 and the preceding section Display Log by Hours for a detailed explanation of the data format To display logged data sorted by days WMS 16 Weather Station Operator s Manual 10 Press 4
8. cable The RED wire is connected to the 12 REF terminal The BLACK wire is connected to a GROUND terminal The BROWN wire humidity signal is connected to the A4 terminal The WHITE temperature signal is connected to the A6 terminal and the GREEN wire is connected to a GROUND terminal INITIALIZATION OF TEMPERATURE AND RELATIVE HUMIDITY INITIALIZATION OF THE AUXILIARY TEMPERATURE SENSOR Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SET UP WMS 16 Weather Station Operator s Manual 14 From the Station Set Up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER From the Sensor Type Menu select number 4 Temperature Then press ENTER From the Temperature Sensors Menu select number 1 WMS 16T Then press ENTER The menu then asks Enter temperature offset or press Q to quit Press Q From the Sensor Input Channel Menu select number 9 A5 Then press ENTER If you intend to add another sensor select A If you do not want to add another sensor select Q You will be asked if you are sure that you want to erase memory If you have added or deleted a sensor select Y if not select N and press ENTER If you selected AA to add the Relative Humidity Sensor then press Y then ENTER From the Sensor Types menu select 5 Humidity From the Humidity Sensors menu select 1 25500504 U 40 Then press ENTER From the Sensor Input Channel select 8 A4 Then press ENTER The Sensor Configu
9. converter can be added to allow longer cable runs Barometric Pressure Module The Barometric Pressure Module is designed to be mounted indoors This arrangement assumes that the barometric pressure indoors and outdoors is equal The Barometric Pressure Module is provided with a short cable that connects directly to the control module Tripod Tower The five foot tripod tower provided for the WMS 16 is constructed of steel tubing for durability and strength Horizontal bracing is a feature of the tripod tower The tower s foot brackets can be bolted onto a concrete foundation or a wooden platform The wind speed and direction sensor mounts on top of the mast The solar radiation shield with 6 mast and coupling are made to clamp on the five foot aluminum mast The rain gauge mounting arm is supplied with a u bolt to clamp onto this mast For stability it is recommended that the mast be inserted into both of the collar clamps Guy kits are recommended for areas of high winds and ground kits are recommended for areas with lightning activity Lightning Protection and Grounding Caution When installing the wind sensor make sure that the sensor and cable are well clear of any power lines A lightning protection ground screw is located on the control module s rear panel It is the path to ground for all of the lightning protection circuitry in the WMS 16 Connect this screw to a grounded outlet or water pipe In areas subject to sev
10. modular design and terminal strip connections Figure 1 shows the control module s rear panel and the locations of the various connections An auxiliary battery can be used as an alternative power input if you do not intend to use the provided wall transformer WMS 16 HOOK UP DIAGRAM lt Wind Direction 0 ta SV DC Solar radiation 0 to OLV DC lt Borometer 0 to 5 V DO Humidity 0 to 1V DC Wind Pulse 4 8 3 4 W 5 z gt gt i ecg E uJ u a 8 8 8 9 a uta ay a Se ae Poa Oe zZ ZOZaJSJ ZOZ mm A eet S2Gt62626 wy ietis ateaAwoawatra x O T aa uw 3 T W a cyl GS 8 Toj Se wm jb za EV E uw Zu Figure 1 Installation Considerations Prior to installing the WMS 16 you should be aware of several important points that must be taken into consideration when choosing a site for the control module and sensors Control Module The control module should be located as close as possible to the computer that will be used to communicate with the WMS 16 RS 232 communications the communication protocol used with the WMS 16 is designed for use over short distances and the cable connecting the control module to the computer should not be longer than 30 feet 10 meters Longer lengths may work If this arrangement is not feasible and a longer cable run is required an RS 232 to RS 422
11. name current date and time 01 26 2000 11 08 00 3 90 0 00 29 07 78 85 51 52 01 26 2000 11 08 05 4 50 0 00 29 07 78 42 51 52 01 26 2000 11 08 10 2 40 0 00 29 07 78 00 51 52 01 26 2000 11 08 15 5 40 0 00 29 07 77 09 51 49 01 26 2000 11 08 20 6 00 0 00 29 07 77 24 51 46 01 26 2000 11 08 25 3 30 0 00 29 07 BESZ 51 46 01 26 2000 11 08 30 4 20 0 00 29 06 77 31 51 43 Wind Speed Rain Barometer Temp R Humid WMS 16 Weather Station Operator s Manual 8 Loo Ef Figure 7 Row and Column Presentation of Current Data Weather Trends The current observations text screen displays several weather features in addition to the current sensor readings These values show the extent to which the measured parameters have varied over an extended period gt Peak wind speed with the highest value recorded during the past 10 minutes displayed gt The high and low temperatures for the day based on measurements taken since 12 midnight and the changes in temperature in the past hour gt The high and low barometric pressure for the day based on measurements taken since 12 midnight and the change in barometric pressure over the past three hours gt The change in relative humidity over the past hour gt Three values for precipitation accumulation with totals for the past logging period for the current day rainfall since 12 mid night and for the current month rainfall since th
12. of the control module This sensor has a two conductor cable Connect one conductor to a GROUND terminal and the other conductor to terminal P3 INITIALIZATION OF THE RAIN GAUGE Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SETUP From the Station Set Up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER From the Sensor Type menu select 7 Precipitation From the Precipitation menu select 1 All models Then press ENTER From the Sensor Input Channel select 3 Pulse Counter 3 Then press ENTER The screen directs you to Enter tip resolution or press Q to quit Press 0 01 For metric use 0 254 Then press ENTER The Sensor Configuration menu appears and it will show Sensor type Model Input Calibration Precipitation All models P3 0 01 Changing units on the SETUP menu will not change the reported value for rainfall That change must be made from the ADD OR REMOVE SENSORS menu Installation of Auxiliary Temperature Sensor WMS 16 Weather Station Operator s Manual 16 The auxiliary temperature sensor is a thermistor attached to a two conductor cable Connect one conductor to A5 terminal and the other conductor to a GROUND terminal INITIALIZATION OF THE AUXILIARY TEMPERATURE SENSOR Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SET UP From the Station Set Up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER From the Sensor Ty
13. program such as HyperTerminal or Procom The communications parameters for the communications program are ASI 9600 8 N 1 When the computer calls the WMS 16 the WMS 16 s modem will go off hook and the WMS 16 will begin transmitting to the remote computer All of the WMS 16 s functions are available from the remote computer This includes observing real time data looking at the hourly or daily logs down loading data and changing setup parameters such as logging period APPENDIX 1 WMS 16 The WMS 16 is configured at the factory for the sensors it is shipped with The following information is provided to aide the user to make changes in the as delivered setup Instructions for setting up the WMS 16 with the following sensors Wind Speed and Direction Connect the wind sensor s signal cable to the terminal strip on the back of the control module This sensor has a four conductor shielded cable The RED wire is connected to the 5 REF terminal The BLACK wire is connected to a GROUND terminal the GREEN wire wind direction signal is connected to the A7 terminal and the WHITE wire wind speed signal is connected to the P1 terminal The WMS 16 is now ready for wind speed and wind direction initializing INITIALIZATION OF WIND SPEED AND DIRECTION SENSORS Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SET UP From the Station Set Up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER
14. the following warning You must off load data before changing sensor configuration Logging memory will be automatically cleared if changes are made Do you want to continue Y or N Enter Y and the Weather Port WMS 16 Station Sensor configuration will appear If all of the sensors that you intend to use are shown as being configured then press Q and Enter If you wish to add or delete a sensor then Press A for add or D for delete and follow the instructions presented on the menu Power Outage Warning The data entered using the Station Setup procedure is automatically stored in the system s memory The data will remain in tact even if there is a power outage All data collected will also remain in tact if there is a power outage However the system will not report or log data during periods of power outage When reviewing data logs gaps in the store data can be attributed to power outages Current Observations Press 2 at the main menu to access the most frequently used screens These are the current observations screens and they are shown in Figure 4 Main Text Display Screen and Figure 7 Row and Column Display Screen The current observations screens show the values currently being measured by the station s sensors These values are updated every five seconds and provide a running record of weather conditions The topmost line on the line on the Main Text Display Screen shows the station
15. to a magnetic disk The format of the logged data has been designed to be compatible with most commercial spreadsheet software coma delineated Excel Lotus 1 2 3 and Quatro Pro among others The Control Module The heart of the WMS 16 is the control module The control module conditions and processes the signals generated by the attached sensors and outputs them via the RS 232 interface at a default rate of 9600 bits per second other bit rates are user selectable In addition to the RS 232 interface connector connections are provided on the control module s rear panel for all of the weather sensors Power is provided by an external 12V source and the WMS 16 comes equipped with a 12V wall transformer for powering the station from a standard 110V outlet A 12V battery can be wired into the module to provide emergency power in the event of a loss of main power This battery will provide backup power allowing data logging and output to continue uninterrupted A fully charged 12V 7 amp hour battery will run the WMS 16 for three to four days Sensors The standard sensors used with the WMS 16 have been designed to be rugged compact and light weight They interface directly to the control module without the need for additional signal conditioning These sensors are accurate and reliable and any combination can be used Wind The wind sensor combines a three cup anemometer and a wind vane on a single axis The anemometer is a con
16. 6 s available memory is filled with data incoming records will replace the oldest stored data and that data will be erased The CLEAR LOGGING MEMORY option on the other hand allows you to clear the entire memory Remember once the memory is cleared the data cannot be retrieved unless it has been copied to a disk using the DATA DOWNLOAD option To clear the logging memory Press 9 at the main menu CLEAR LOGGING MEMORY The following message appears Are you sure you want to delete log file Y or N If you want to continue type Y The following message will appear Erasing Data Memory Please wait 11 gt Now going to the top of the HyperTerminal screen click on Transfer gt Click on Receive File make sure the protocol is XMODEM enter the directory and folder name where you want to store the data gt Click on Receive and enter the file name e g weather01 gt Click on OK and download will start Transfer time from a full memory may take up to eleven minutes due to the error checking and the de convolution of the binary data to ASCII format The down loaded file can be entered into a spreadsheet or word processing program for viewing or manipulating Note that the total contents of the memory is downloaded each time the Memory Download procedure is invoked The data TP WD 70 94 70 88 318 69 314 62 When the memory is erased the WMS 16 returns to the current obse
17. Aspirated solar shield is provided to give this protection Temperature is sensed using a thermistor element whose resistance changes in response to temperature fluctuations Relative humidity is sensed by changes in the dielectric constant of a thin polymer film as it absorbs moisture or sheds it to the surrounding air The rain gauge used with the WMS 16 is a traditional tipping bucket design Resolution is 0 01 inches Using the Data Once the weather data generated by the WMS 16 has been logged and saved either within the control module or on an external media it can easily be manipulated by a number of commercially available software packages The format of the columnar coma delimited data was carefully designed to make it compatible with the most widely used spreadsheet programs The data can be imported easily into these programs and from there analyzed or manipulated making the information generated by the WMS 16 much more than simply a collection of numbers A number of enhancements to the WMS 16 are planned for the future that will make the WMS 16 even more responsive to your needs The EEPROM in which the operating firmware is stored can be electronically updated to simplify future firmware upgrades WMS 16 Weather Station Operator s Manual WIND SENSOR z ii TELERA SCHR B WUE SOLAR PANATA HELD BARDMTER DATA INTERTACE MOOLLE INSTALLATION Installation of the WMS 16 is simple and straight forward thanks to its
18. ain menu the parameters available for customizing appear as items through 8 Station Name Type the name of the station The station name may be any series of alphanumeric characters up to 50 characters long After the station name is entered press Enter and select the next item a Units of Measure Press 2 Units of measure A warning message will appear stating Changing units will cause data to be logged in the new units of measure You should clear logging memory to avoid mixed data values Do you want to continue Y or N If you want to change units of measure press Y and the menu will ask you English or Metric Select E or M and press Enter The menu will ask if you are sure you want to delete log file Y or N if you have changed units then answer Y if not N and press Enter PARAMETER ENGLISH METRIC Speed Mph M s Direction Deg Deg Temperature F C Humidity Barometer Inhg Mb Precipitation inches mm Table 2 Averaging Period Press 3 Averaging period The averaging period is user selectable over the range from minute to 60 minutes The stored data will be the average of the data measured at five second intervals over the user selected averaging period If the averaging period is less than the logging period the average logged will be for a period of time at the end of the logging period equal to the averaging period If the averag
19. ation the barometric pressure sensor must be adjusted to read correctly at the elevations at which it is installed This is done using the offset adjustment screw located on the side of the barometric pressure module While watching the main screen slowly turn the offset To set barometric pressure offset for sea level you must first adjustment screw Clockwise will decrease the pressure obtain a reliable barometric pressure for your location The reading You may have to turn the adjustment 3 to 10 barometric pressure range is 28 25 to 30 75 This can be found revolutions before the display starts to change Turn the pot by contacting the nearest airport or weather service facility slowly in single turn increments then wait for the screen to Nominal barometric pressure is 29 6 inches of mercury update every five seconds If the value is moving away from the correct value obtained above turn the screw in the Call up the main screen Figure 4 on the display terminal by opposite direction Continue turning the screw pressing Esc for main menu Press 2 for Current until the displayed value agrees with the value Observations at the main menu Then press 1 for obtained from the airport or weather service observation display Figure 4 Station Omega WMS 16 01 26 2000 11 07 35 WIND SPEED 3 9mph peak windspeed 7 8mph during past 10 min DIRECTION WNW 299deg varying 48deg during past 10 min WINDCHILL 52F
20. cations bearing in mind the installation considerations noted earlier Run cables from the sensors to the control module location with no cable exceeding the maximum allowable length listed in Table 1 When the sensors have been installed and the cables run connect and test them as described in the following sections Refer to Figure 1 for connection locations on the control module s terminal strip Table 1 Maximum Sensor Cable Lengths Sensor Max Cable Length Wind 250 76m T RH 250 76m Rain 900 275m Barometer 107 3m Solar Radiation 100 33m WMS 16 Module Setup The WMS 16 Module has been configured at the Omega factory to work with the following sensors 1 Wind speed and Direction 2 Barometer 3 Temperature and Relative Humidity 4 Rain Gauge To verify the sensor setup press Esc to go to the main menu Then select item 1 Station setup From the Setup Menu select 6 Add or remove sensors Press Y to continue The sensor configuration page will appear showing all of the presently enabled sensors It shows the sensor models and calibration factors Omega WMS 16 Modular Weather Station Omega 2000 Sensor Configuration Sensor Type Model Input Calibration WMS 01 02 P1 All Models P3 0 0100 WMS16 BP A2 225 050Y U 40 A4 1 Wind Speed 2 Precipitation 3 Pressure 4 Humidity WMS 16 Weather Station Operator s Manual 5 Temperature WMS 16T AS 6 Temperature WMS 16T A6 7 Wind D
21. d by the interactive user interface which allows the user to direct the WMS 16 to perform certain specific functions by choosing one of the six options offered on the main menu Figure 3 Software The firmware contained in the WMS 16 has all of the programs required to use the weather station with a P C operating in the communications mode such as HyperTerminal in Windows Communication between the WMS 16 and the P C is made by connecting the RS 232 cable to either COMPORT 1 or COMPORT 2 In order to facilitate getting started if you are using Windows you may open the HyperTerminal program with all of the proper communication settings for communicating with the WMS 16 The communications parameters required to interface the WMS 16 to an RS 232 data link are as follows Baud rate 9600 Data Bits 8 Stop Bits 1 Parity None WMS 16 Weather Station Operator s Manual Handshaking Xon Xoff Once the main menu is present proceed with the station setup procedures as described in the next section Station Setup Press Esc to get to the main menu Press 1 at the main menu to initiate the Station Setup procedure This procedure allows you to specify certain operational parameters that the WMS 16 uses in its calculations and on its display Run Station Setup when using the weather station for the first time After that ignore it unless you wish to change one or more of the settings When you press 1 at the m
22. e first of the month according to the date set through the Station Setup procedure gt Caution If power is interrupted the stored trend values will be cleaned and reset to the current starting day amp time All three precipitation totals will go to 00 00 and today s hi low will become the current temperature Display Log By Hours Press 3 at the main menu to view the WMS 16 s stored data and to specify the amount of data to be retrieved in hours If WMS 16 Weather Station Operator s Manual you wish to view more than a full day s data or fractions of days two and a half days chose the selection 4 Display Log by Days retrieves data in daily blocks with a minimum retrievable block of one full day s data After selecting 3 from the main menu specify the number of hours of data to be retrieved The data will be displayed in the format shown in Figure 8 The data is organized as follows gt The top line shows date and time at the right margin gt The weather data is organized into columns with an abbreviation for each parameter and the units of measure used selected through the setup menu shown at the top of the column gt TIME The time at which the data was logged this time is based on the time that was set through the setup procedure see Station Setup in military time 24 hour clock gt WS Wind speed in miles per hour or meters per second gt WD Wind directio
23. er lightning activity we recommend that you install a grounding rod Power Connections The WMS 16 can be operated from either standard 110VAC outlet or from an external 12V battery Standard Outlet A wall transformer is provided with the unit for operating from an 110VAC outlet An optional wall transformer is available for operating from a 220V 50Hz power source The wall transformer provides a nominal 12VDC External Battery Power An auxiliary power connection is provided on the rear panel of the control module for connecting an external 12VDC battery This battery can be used as the main power source Remember though that if the auxiliary power connector is used for main power there will be no backup power source A fully charged 12V 7 amp hour battery will run the WMS 16 for three to four days With the backup battery in place the WMS 16 will continue collecting and logging data during a power outage The WMS 16 s main memory has a lithium battery back up and the setup parameters and any stored data will be saved if the primary power source is interrupted WMS 16 Weather Station Operator s Manual RS 232 Interface The WMS 16 is an interactive device that not only outputs data but is capable of responding to user commands These commands are entered through the computer which also displays the current data and any additional data requested by the user Communications between the user and the WMS 16 is accomplished usi
24. ether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please
25. have the FOR NON WARRANTY REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 Purchase Order number under which the product 1 Purchase Order number to cover the COST was PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number of the product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 2001 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without the prior written consent of OMEGA ENGINEERING INC
26. ing period is longer than the logging period then the data stored will be a running average that reaches back in to previous logging periods Enter the number of minutes desired and press Enter Logging Period Press 4 Logging Period The menu will ask you to enter a number between 1 and 60 minutes Enter your selection and press enter The number of days of data that can be stored in the memory is a function of the logging period the magnitude of the data reported and the number of sensors activated With the standard complement of sensors wind speed wind direction temperature relative humidity barometric pressure and precipitation the memory will fill in about 45 days if the logging period is fifteen minutes Once the memory is full it wraps that is it continuously over writes the oldest data in the memory with new data Date amp Time Press 5 Date amp Time The menu will direct you to enter the current date in the following format MM DD Y YYY When the proper date has been entered press Enter The menu will direct you to enter the current time in 24 hour format HH MM When the proper time has been entered press Enter Add or Remove Sensors Display Format Menu 1 Observation display 2 Row and column display 3 RTU output message 4 Return to main menu Enter your selection 1 4 2 Please wait 5 seconds for next display Press 6 Add or remove sensors The menu displays
27. irection WMS 02 A7 Add sensor A delete sensor D or quit Q The instructions in Appendix 1 direct you through the enabling procedure for each type of sensor should any sensor that you plan to use not be enabled Wind Speed and Direction Wire the wind sensor s signal cable into the terminal strip on the control module s rear panel as shown in Figure 1 Call up the main screen Figure 3 on the display terminal by pressing Esc for main menu Press 2 for Current Observations at the main menu Then press 1 for observation display Figure 4 Turn the Anemometer cups by hand and note the wind speed displayed on the screen This value should change as you spin the cups Turn the wind vane so that the tip is aligned with the two vertically positioned set screws on the base of the sensor The wind direction shown on the screen should indicate North 0 Turn the vane in increments around the full 360 noting the change in the wind direction readings These should agree with the present position of the vane Omega 2000 Main Menu 1 Station setup 2 Current observations 3 Display log by hours 4 Display log by days 5 Data download 6 Clear logging memory Enter your selection 1 6 Figure 3 Main Screen Barometric Pressure Module Wire the three wires of the barometric pressure module into the terminal strip on the WMS 16 module as shown in Figure 1 Since pressure varies with elev
28. it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are not warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESS OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF LIABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order wh
29. ive River Bend Technology Centre Northbank Irlam Manchester M44 5BD United Kingdom TEL 44 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected applications USA WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGA s WARRANTY adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an Authorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective
30. l measurements Operating Power 10 16 Vdc Power Consumption 60 mA maximum Serial Port 9 pin d sub connector selectable baud rate flow control Memory 128KB RAM non volatile 45 days at 15 minute intervals with 6 sensors OPERATING TEMPERATURE Transducers 40 to 140 F 40 to 60 C Data Acquisition Module 40 to 140 F 40 to 60 C TIMEKEEPING Format MM DD and HH MM Accuracy 30 seconds month BAROMETRIC PRESSURE Range 28 25 to 30 75 inches Hg Measurement Span 2 50 inches Hg 85 hpa Resolution 0 01 inch Hg or 0 3 hpa Altitude Offset 0 to 10 000 feet screwdriver adjustable WIND SPEED Range 0 to 125 mph 0 57 m s Resolution gt 0 1 mph Accuracy 3 for sustained 2 second average Starting Threshold WMS 16 2E 1 2 mph WMS 16 5E 0 5 mph Time Constant 2 seconds WIND DIRECTION Range 0 360 Resolution gt 1 Accuracy 3 TEMPERATURE Range 40 to 140 F Resolution gt 1 F WMS 16 Weather Station Operator s Manual 18 Accuracy 1 F RELATIVE HUMIDITY Range 0 100 RH Accuracy 3 midscale 6 20 amp 90 RH RAIN GAUGE Resolution 0 01 tip Accuracy 2 up to 3 hour Max Rate Unlimited SOLAR RADIATION Optional Sensor Photodiode detector Spectral Response 4 to 1 1 microns Sensitivity 100mV 1000w m approx Accuracy 5 ORDERING INFORMATION WMS 16 Modular Weather Station includes the following component
31. n in degrees gt PK Peak wind speed in miles per hour or meters per second This is the highest wind speed measured over any two second interval gt BP Barometric pressure in inches of mercury or millibars This is the average pressure measured during the logging period gt T1 Temperature measured by the temperature RH probe in degrees Fahrenheit or degrees Celsius gt RH relative humidity measured by the temperature RH probe in percent gt T2 Temperature measured by an auxiliary probe if used in degrees Fahrenheit or degrees Celsius gt SR Solar radiation in watts per square meter gt RF Precipitation rainfall accumulated during the logging period in inches or millimeters The logging interval is selected by the user The range is one minute to sixty minutes A maximum of 18 records can be displayed on a single screen so if more than 18 periods were requested the data will be continued on subsequent screens gt To view the next screen simply press the space bar Each successive screen may be viewed by pressing the space bar You may not hover return to a previous screen you must return to the main menu and begin the retrieval procedure anew If you want to further manipulate or obtain a printed copy follow the procedure described in the Data Download section below Enter number of hours to view DATE TIME WS PK WD T1 T2 RH BP RF SR M D H M mph mph deg
32. ng RS 232 communications protocol designed for short distance use The interface cable that connects the control module to the computer is terminated with a sub miniature D connector Depending on the connectors available on your computer s serial port a 25 pin to 9 pin adapter may be required Connect the RS 232 cable between the control module and the computer s serial port number 1 or 2 Certain communications parameters number of data bits parity etc must be specified in the computer to enable the two devices to communicate with one another They should be set as follows Baud rate 9600 Data Bits 8 Stop Bits 1 Parity None Handshaking Xon Xoff Under this protocol the computer sends ASCII character DC3 19 decimal 13H to the WMS 16 to halt its transmission and DC1 17 decimal 11H to resume Testing the Connection Once the WMS 16 is connected to the computer the connection can be tested by briefly disconnecting and then re connecting the main power at the control module 1 Unplug the wall transformer from the control module s rear panel 2 Leave power disconnected for several seconds then plug the power cable in again If the RS 232 connection is sound an Omega header and or the Software version will appear on the screen Figure 2 Omega WMS 16 Modular Weather Station Omega 2000 Software Version 2 3 000102 Figure 2 Sensor Installation Install the sensors in their chosen lo
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34. ntervals to be stored in memory for later retrieval Special consideration has been given in the design of the WMS 16 s display of current weather data to ensure ease of understanding by the first time or casual user Current Observations This display is a one page report of current weather conditions with each parameter clearly labeled and readily located on the screen In addition to the measured parameters the WMS 16 also calculates values for wind chill and dew point based on the combination of weather factors that govern those characteristics The WMS 16 also reports specific aspects of the measured parameters including peak wind speed wind direction variation hourly temperature change maximum and minimum daily temperature barometric pressure changes maximum and minimum daily pressure relative humidity change and daily and monthly precipitation accumulation Data Logging The time interval between recordings is user determined for periods ranging from one minute to sixty minutes This logged data can be retrieved for display or copied to a floppy or hard WMS 16 Weather Station Operator s Manual disk for permanent storage using the options available on the main menu When retrieved for viewing the logged data is displayed as date and time stamped single line tab delineated entries Logged data can be retrieved in either hourly or daily blocks For permanent storage the data logged by the WMS 16 can be copied
35. pe Menu select number 4 Temperature Then press ENTER From the Temperature Sensors Menu select number 1 WMS 16T Then press ENTER The menu then asks Enter temperature offset or press Q to quit Press Q From the Sensor Input Channel Menu select number A6 Then press ENTER If you intend to add another sensor select A If you do not want to add another sensor select Q You will be asked if you are sure that you want to erase memory If you have added or deleted a sensor select Y if not select N and press ENTER Installation of Solar Radiation Sensor Connect the solar radiation sensor to the terminal strip on the back of the control module This sensor has a two wire cable Attach the WHITE conductor to the Al terminal and the BLACK conductor toa GROUND terminal INITIALIZATION OF THE SOLAR RADIATION SENSOR Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SETUP From the Station Set Up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER From the Sensor Type menu select number 8 Solar Radiation Then press ENTER From the Solar Radiation menu select number 1 Model 240 140 Then press ENTER Next enter the calibration factor from the calibration sheet which was supplied with the sensor Then press ENTER 17 Then select Channel A2 The Sensor Configuration menu appears and it will show SPECIFICATIONS DATA ACQUISITION MODULE Reporting Units English or Metric al
36. ration menu appears and it will show Sensor type Model Input Calibration Humidity WMS 16 PN A4 Temperature WMS 16T AS If you intend to add another sensor select A If you do not want to add another sensor select Q You will be asked if you are sure that you want to erase memory If you have added or deleted a sensor select Y if not select N and press ENTER Barometric Pressure Installation Connect the barometer cable to the terminal strip on the back of the control module This sensor has a three conductor cable The RED wire is connected to a 12V terminal The BLACK wire is connected toa GROUND terminal and the GREEN wire is connected to terminal A2 INITIALIZATION OF THE BAROMETER Press EXC to get the MAIN MENU From the MAIN MENU press number 1 STATION SETUP 15 From the Station Set Up menu press number 6 ADD OR REMOVE SENSORS Then press Y then ENTER From the Sensor Type menu select number 6 Pressure Then press ENTER From the Pressure Sensors menu select number 1 WMS 16BP Then press ENTER The menu asks Enter pressure offset or press Q to quit Press Q Pressure WMS 16BP A2 If you intend to add another sensor select A If you do not want to add another sensor select Q You will be asked if you are sure that you want to erase memory If you have added or deleted a sensor select Y if not select N and press ENTER Rain Gauge Installation Connect the rain gauge cable to the terminal strip on the back
37. rvations screen and data logging resumes ALARMS There are six user programmable alarms on the WMS 16 They can be assigned to either of two alarm switches ALARM 1 and ALARM 2 which provide a switched connection to ground Electrical connection is made to the terminal strip at the positions labeled ALARM 1 and ALARM 2 The maximum current sinking capability of these switches is 2amps SETTING UP THE ALARMS Part A Selecting the Sensor to be alarmed and the Alarm Thresholds and the On and Off Delays for each Alarm Press ENTER to get to the MAIN MENU From the MAIN MENU press number 1 STATION SETUP From the STATION SETUP menu press number 7 ENTER ALARM THRESHOLDS Select ADD DELETE or QUIT If you select Add the next menu will display the list of sensors that are currently activated To add an alarm enter the sensor number WMS 16 Weather Station Operator s Manual 12 Enter the type of alarm function you wish to use Exclusive Alarm switch is closed when the reported sensor value is outside of the low and high values selected or Inclusive Alarm switch is closed when the reported sensor value is between the low and high values selected Enter Output Al 1 or A2 2 Enter low threshold Enter high threshold Enter on delay in seconds 0 1200 It is the time that the sensor value is in the alarm condition before the alarm switch activates Enter off delay in seconds 0 1200 It is the time that the
38. s WMS 16D Data Acquisition Module includes DOS Software diskette serial amp aux battery cables WMS 16P 115 VAC Power Supply WMS 16 2E Wind Speed Direction Sensor 40 cable WMS 16TH outdoor Temperature amp relative Humidity Sensor 40 Cable WMS I6THS Solar Radiation Shield for temp rh sensor WMS 16BP Barometric Pressure Sensor 18 Cable Note sensor always to be near base unit WMS 16RC Rain Gauge includes mounting arm amp 40 Cable WMS 16TM 5 Tripod amp 5 Sensor Mast 8 total WMS 16EPA High Sensitivity Modular Weather Station same as above but with WMS 16 5E High Sensitivity Wind Sensor 40 Cable Options WMS 16SR WMS 16T WMS 16TWS RG 2501 40 WMS 16PE Solar Radiation Sensor includes mounting arm and 40 cable Auxiliary Air Temperature Sensor 40 Cable Water or Soil Temperature Sensor 407 Cable Tipping Bucket Rain Gauge 40 Cable Power Supply 220 VAC WMS ENCL 16A NEMA 4X Enclosure Assembly includes mounting brackets 12V 7AH battery and 10 watt solar panel battery charger WMS ENCL 16B NEMA 4X Enclosure Assembly includes WMS 16MAC WMS 16MDC WMS 16STR mounting brackets 12V 7AH battery and 110Vac 60Hz battery charger Telephone Modem AC Powered Telephone Modem DC Powered Software Windows Graphical 19 Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course Shop online at www omega com TEMPERATURE uF Thermocouple RTD
39. tact type wind sensor which when rotated by the wind triggers a series of momentary switch closures that are directly related to wind speed The wind vane uses a potentiometer to sense direction changes Depending on the position of the potentiometer wiper an analog voltage is output that corresponds to the position of the vane By orienting the vane North 360 during installation wind can be easily calculated from the output voltage The resolution of the wind vane is 1 azimuth display or 16 compass points cardinal points display Barometric Pressure Barometric pressure is sensed using a piezoresistive sensing element This element responds to changes in barometric pressure with a corresponding change in resistance This resistance is converted to a voltage from which the microprocessor calculates the barometric pressure at the elevation at which the barometer is located Since air pressure varies with elevation the barometric pressure must be set for the elevation at which the barometer is installed This value is set simply using a screwdriver Instructions are provided in the Installation Section of this manual Temperature and Relative Humidity The WMS 16 is designed to accommodate a combination temperature relative humidity sensor For maximum accuracy the sensor should be isolated from the effects of sunlight a factor that can cause misleading temperature and humidity measurements The Model WMS 16 THS Naturally
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