Wind Speed and Direction System Manual
Contents
1. Function Pin Number CAN Bus A 2 CAN Bus B 3 Cable screen connection 5 TTL alarm output 9 Alarm ground 8 1 2 5 Networking Multiple Displays In a networked system the master display unit connected to the sensors will automatically transmit real time wind data to all interconnected displays The CAN bus A and B signals on all networked displays should be interconnected using a twisted pair cable The maximum total cable length of the network should be 3 km 1 2 6 Alarm Output The alarm signal level is normally low 0 V and will go high 5 V whenever an alarm condition occurs The maximum source or sink current available from this signal line is 5 mA Suitable interface circuitry is required to control higher powered warning devices or systems To avoid communication errors and conflicts the EXT Alarm should be set to OFF whenever the RS232 connection is required 1 2 7 Wiring Details for Panel Mounted Displays Panel mounted displays are supplied with a basic cable loom for connecting sensors power supply and communications Modifications to the basic cable loom may be required to suit specific installation requirements Connection details for the rear of the display are shown Violet Screen Green CAN bus B White CAN bus A 76mm H H EXPANSION Red Centre pin 12 V Black Outer 0 V Orange Blue RX e Alarm2. MULTIMET Wind Speed and Direction System December 2002 amp OnlinePro Software Users Handbook MULTIMET Wind Speed and Direction System Users Handbook HB3272 03 For use with Online Pro Application Software COPYRIGHT The copyright in this document which contains proprietary information is vested in CASELLA CEL LIMITED The contents of this document must not be used for purposes other than for which it has been supplied or reproduced or disclosed wholly or in part without the prior written permission of CASELLA CEL LIMITED CASELLA CEL CASELLA USA Regent House 17 Old Nashua Road 15 Wolseley Road Amherst Kempston NH 03031 Bedford U S A MK42 7JY U K Toll Free 1 800 366 2966 Phone 44 0 1234 844100 Fax 1 603 672 8053 Fax 44 0 1234 841490 E mail info casellausa com E Mail info casellacel com Web www casellausa com Web www casellacel com MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook Page 2 of 16 MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook Table of Contents Chapter Page 1 MULTIMET INSTALLATION 5 1 1 Introduction a ue s x o eR ko xo em a eas 5 1 2 System Installation oss 5 l2 General 5 zou pes teen ads cu Ie S oo Ne us cas 5 1 2 0 Sensor Installation and Wiring 6 1 2 3 RS 282 S0Ck6t su oo eed ace eO a e x 7 12
3. 4 Expansion Socket 0000000 eee 8 1 2 5 Networking of multiple displays 8 12 607 Alarm Output 2 2c viet Aon ALAS Ee RE Rao o es 8 1 2 7 Wiring Details for Panel Mounted Displays 8 2 OPERATING MULTIMET 9 2 1 Getting Started i s a Sk Aa eae Ba Ve x 9 2 2 Setting the Time andDate 0 4 9 2 2 1 Adjusting the back light and contrast 9 2 2 2 Changing the displayed information 9 2 3 System Configuration Menu sls 11 2 4 Alarm Operation oaoa aa rn 12 3 ONLINE PRO SOFTWARE 13 3 1 Software Overview 13 32 Minimum PC Requirements 00405 13 3 3 Installation Configuration and Operation 13 4 MAINTENANCE AND SERVICE 14 4 1 Routine Maintenance ss 14 4 1 1 TheMultimet ns 14 4 1 2 The Wind Speed and Direction Sensors 14 471 3 e SENICE o ud mede o d ad irse do Su as n Re 14 5 SPECIFICATIONS 15 5 1 Anemometer Wind Speed Sensor 15 5 2 Weathervane Wind Direction Sensor 15 5 3 MultimetDisplay 0 022008 16 5 4 AppliGations xit 49 anne XCP ee Ae can dew 16 Page 3 of 16 Co ntents MULTIMET Vut Speed and Direction System amp OnlinePro Software Users Handbook Page 4 of 16 MULTIMET Wind Speed and Direction System Installa tion amp OnlinePro Software User
4. Out Yellow TX 9 cc Black Black 0 V Ground Brown 12 V m Black 0 V 2 Blue DATA o 02074 Page 8 of 16 MULTIMET Wind Speed and Direction System Opera ting Multimet amp OnlinePro Software Users Handbook 2 OPERATING MULTIMET 2 1 Getting Started When first switched on the Multimet performs a series of self test routines and displays the currently installed software version Following successful completion of these routines a system prompt will request entry of the current time and date It is important to set the current time and date correctly whenever the internal data logging facility is used This ensures that all recorded data is correctly marked with corresponding date and time markers 2 2 Setting the Time and Date Adjustment of the time and date is performed using the appropriate grey buttons located on the front of the instrument immediately below each option shown on the display The internal clock may also be set automatically from the Online Pro P C software as described later It will be necessary to reset the clock whenever the power supply has been disconnected from the system Following the entry of time and date the display will present the Main compass display containing 2 minute rolling average data 2 2 1 Adjusting back light and contrast Briefly press the blue button to gain access Knots to the LCD lighting and contrast adjustment Adjust the settings to provide the m
5. an average wind velocity and a bad exposure for example near the sea then 4 to 5 years might be expected At the end of this time it is recommended that the bearings be replaced with new ones Consult Casella CEL Service Department 4 2 Service CASELLA CEL s in house service department offers a comprehensive range of repair and calibration services designed to effect a fast and efficient back up for all our products The Service Department is operated under the scope of our BSI registration for products manufactured by us We will however undertake the repair of other manufacturer s equipment For further information please contact CASELLA CEL s Service Department at our Bedford premises We will be happy to provide quotations for individual repairs or provide annual maintenance under contract Page 14 of 16 MULTIMET Wind Speed and Direction System Specifica tions amp OnlinePro Software Users Handbook 5 SPECIFICATIONS 5 1 Anemometer Wind Speed Sensor Transducer type Optical interrupter Maximum wind speed 75 m s Starting velocity Typically 0 3 m s Distance constant 3 5 m s Time constant Typically 0 5 s Output calibration 12 75 Hz m s Resolution 7 84 cm Output signal 0 5 V pulses Pulses revolution 20 Non linearity lt 0 6 Accuracy 0 3 m s below 3 m s 1 over 3 m s Supply voltage 6 to 28V DC Power consumption 3mA Stabilisation time 1 s from power up Operating temperature 20 t
6. ard 25 m length Extended length Sensor Positive Supply 1 Brown White Red Sensor Ground 3 Black Screen Black Green Screen NMEA Digital Data Output 5 Blue Blue Power Supply The Multimet system is delivered with a 12 VDC power supply that accepts mains input voltages between 90 and 260 VAC and may be used throughout the world For cable lengths less than 200 m the sensors are powered directly from the display s power supply For extended distances a power supply located at the sensor position may be required Details of any non standard system configurations will be provided in a supplement to this handbook 1 2 3 RS232 Socket The RS232 serial communications socket is used to transfer recorded or real time data to a connected P C The system is delivered with a 9 way to 9 way serial cable which is used to connect the Multimet RS232 socket to a free serial port on the P C RS232 Socket 9 way D type male pinout Function Pin Number Multimet RS232 Transmit Out 3 Multimet RS232 Receive in 2 Supply Ground 5 Page 7 of 16 MULTIMET Wind Speed and Direction System Installation amp OnlinePro Software Users Handbook 1 2 4 Expansion Socket The Expansion socket provides signals used for CAN bus display networking and interfacing to an external alarm circuit Expansion Socket 9 way D type female pinout
7. easurement units Wind Gust Warning shown when instant speed exceeds the average by a preset threshold Averaged direction shown as both a value Min 10 6 and pointer position inst Hist ear MULTIMET Max Min Instantaneous speed eao ap c during averaging period 02077 ie during last 2 minutes BIG Display This display presents data in a Big numerical format that remains clearly visible at a distance Averaging period o 2 Min 280 Max 295 Max and Min value of Jh o instantaneous direction Min 255 during averaging period Instantaneous or averaged direction Instantaneous or averaged speed with measurement units Max and Min value of instantaneous speed during averaging period MULTIMET 02078 Page 10 of 16 MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook Operating Multimet HISTORIC Wind Graph Auto ranging Graph 1 hour timebase Averaging period 2 Min 1 2 6 Speed Units e Knots 20 Instantaneous or Averaged Speed 02079 2 3 System Configuration Menu Press the blue button for 3 seconds to access the configuration menu The following parameters may be defined from this menu UNITS Select the desired wind speed units m s knots mph kmh RESOLUTION Used to select the resolution of direction values The following resolutions are available 1 E or 1 GUST Threshold A gust warn
8. emplate as a guide cut out i i i the hole for the back and drill the four l cO 4 3 mm diameter holes for the studs i i Overall size 110 mm X 110 mm 4 X 4 3 mm Mounting Holes On 70 mm X 70 mm axis 02069 Page 5 of 16 MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook Installation Screw the studs into the rear of the instrument and secure to the panel using the supplied thumb nuts A cable loom is supplied for the interconnection of sensors power supply and communication cables Thumbnuts Bulkhead Cables amp Connectors 02070 X Try to keep cable runs as short as possible to reduce the risk of voltage drops and interference X Protect all exposed or buried cables from physical damage X Cable installation and connection to mains power should be performed in accordance with local safety guidelines and legislation 1 2 2 Sensor Installation and Wiring The combined wind speed and direction sensor should be located in an exposed location free from sheltering effects or sources of air turbulence Guidance from Meteorological agencies typically recommends a measurement height of 10 m in a flat area free from large buildings or trees within a 300 m radius Installations in industrial or urban environments will experience increased turbulence and a compromise in location may be inevitable Try to select a location representative of the wind you w
9. entage of occupied memory space Once the memory becomes full of data the logger will automatically overwrite the oldest data records with new ones This ensures the most recent conditions are always being recorded SYSTEM 2 4 The System menu contains the following less frequently used configuration parameters PC Port Determines the RS232 communication speed 9600 default Reset All Provides a complete system reset which is used to clear the memory and reset date and time Bleep ON OFF Determines if a bleep on keypress is required EXT Alarm ON OFF A logic level control signal is available for interfacing to remote alarm circuitry To avoid communication errors and conflicts the EXT Alarm should be set OFF whenever the RS232 connection is required DEMO OFF Creates random data for demonstration purposes only LANG English Sets the user interface language The currently supported language is English Alarm Operation The wind speed alarm is triggered whenever the selected speed value instaneous or 2 min average exceeds the preset threshold The system will bleep for the programmed time period 0 2 minutes continuous or Off bar To swwitch the alarm sound off press any key to reveal the menu Pressing the central grey button will switch the alarm sound off Should the wind speed pass through the threshold again the sound will be re triggered The ALARM warning message will remain visible whilst the alarm cond
10. guration and Operation Please refer to the Online Pro User manual Page 13 of 16 Main tenance MULTIMET us Speed and Direction System amp OnlinePro Software Users Handbook 4 MAINTENANCE AND SERVICE 4 1 Routine Maintenance The Multimet is designed to provide many years of trouble free operation however as with all mechanical systems some regular maintenance and inspection may be required Periodically check the system for the following Signs of physical damage Inspect the anemometer cups direction vane cabling connectors and mounting components for signs of damage or deterioration Replace any damaged components as necessary Ease of rotation Ensure both the wind vane and cups are free to rotate Excessive friction may indicate that bearing replacement is required 4 1 1 The Multimet The display should require no maintenance other than periodic cleaning using a soft cloth DO NOT USE solvents or other cleaning products 4 1 2 The Wind Speed and Direction Sensors Cleaning the sensors and cross arm may be carried out using a soft damp cloth DO NOT USE solvents or other cleaning products Apart from cleaning no other regular maintenance is required as the number of moving parts is so few and the bearings on the main spindle are sealed against dust etc If the average wind speed is low and weather conditions moderate itis estimated that six years life can be expected from the bearings With a higher th
11. ing message is displayed whenever the instantaneous speed exceeds the 2 or 10 minute average speed by more than the user set threshold For example if the gust threshold is set for 10 knots and the average speed is currently 12 knots the Gust warning message will be displayed whenever the instantaneous wind speed exceeds 22 knots Large and sudden variations in wind speed may be hazardous in aviation or construction environments ALARM LOG The alarm sub menu is used to define the following wind speed alarm parameters Data Allows the alarm to be triggered using the instantaneous or 2 minute average speed Speed Sets the trigger level of the alarm Duration Sets the time duration of the audio warning signal Adjustable from 0 to 60 seconds Continuous or Off The logger sub menu is used to define the data logging functions Log ON OFF Determines if data logging function is active Page 11 of 16 Opera ting Multimet MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook IntervalAllows the logging interval to be adjusted from 1 to 120 minutes Clear Used to erase any data saved within the internal memory A statistical summary of the logger s operating condition is shown at the bottom of the screen It is used to identify the number of records saved in the memory the remaining logging time available days hours minutes before oldest data will be overwritten and also the perc
12. ish to measure e Wind Speed and Direction Sensing Head 142000D Wind Speed Wind Direction Sensor A Sensor Terminal Box A U bolts Up to 50 mm Maximum distance available diameter mast 200 m with RS 232 Data Transmission Cable 02072 View on A A Page 6 of 16 MULTIMET Wind Speed and Direction System Installation amp OnlinePro Software Users Handbook iid An optional mast mount kit enables the sensor to be fitted to circular masts up to 50 mm in diameter The wind direction sensor is factory set to point North when the cross arm supporting the sensors is aligned on a north south axis Rotate the sensor head cross arm until the red N mark on the direction sensor weather vane is pointing directly north Use a compass to confirm that the sensor head cross bar is now running due north south Once the cross arm is correctly aligned clamp the extension tube securely in place The sensor arm should be fitted to the pre wired connector Ensure the connector is fully tightened to maintain prevent the ingress of water Sensors are supplied with a 25 m length of cable as standard pre wired to a 5 way plug Wiring details are as follows Sensor Connector Plug Wiring Details 3 5 way Binder 680 series plug fitted to end of sensor 2 m 4 cable View of plug solder buckets OTO O O 1 5 02073 Function Pin Wire Colours Wire Colours Number Stand
13. ition remains Page 12 of 16 MULTIMET Wind Speed and Direction System PC S O ftwa re amp OnlinePro Software Users Handbook 3 ONLINE PRO PC SOFTWARE 3 1 Software Overview The Casella Online Pro software package provides Multimet users with a powerful and versatile program for the accumulation processing and presentation of wind data The program integrates the functions of real time data presentation data archiving and historical presentation within one attractive and easy to use package The following features are provided by the software X Real time display indicating prevailing conditions and providing critical information for on site decision making X User configurable screen layout for customised real time displays X Tabular and graphical presentation of data X Dynamically changing screens including scrolling graphs and real time wind roses X Data logging to PC X Networking capability with multi user access and displays via a PC network 3 2 Minimum PC Requirements IB M M compatible PC with Pentium II or better processor At least 8 MB of free RAM space Microsoft Windows 98 ME 2000 and NT 4 95 with IE4 or later Hard drive with at least 5 MB of free space 3 lhin high density 1 4 MB floppy disk drive for program installation Super VGA colour monitor 1024 x 768 16 M colours recommended Mouse or other Windows compatible pointing device Printer optional 3 3 Installation Confi
14. o 70 C Heater option 24VDC AC 820 7W Connecting cable 4 5 m without conduit 3 25 m with conduit Conduit 2 55 m 5 2 Weathervane Wind Direction Sensor Transducer type GMR solid state system with microcontroller Maximum wind speed 75 m s Resolution 19 Accuracy 29 Aligning threshold 0 8 m s for a 10 offset Damping ratio 0 25 Distance constant Typically 3 0 m Undamped natural wavelength 2 2m Repeatability 0 596 FSD Electrical angle 0 to 359 no deadband at North Nominal output signal 0 to 1 8 V DC for 0 to 359 representing a 1 s rolling average updated 5 times per second NMEA serial output When anemometer is connected 0 to 5 V level data containing both direction and speed information updated 4 times per Second Supply voltage 6to 28V DC Power consumption 3mA Stabilisation time 1 s from power up Operating temperature 20 to 70 C Page 15 of 16 Specifica tions MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook Heater option 24V DC AC 82Q 7W Connecting cable 4 5 m without conduit 3 25 m with conduit Note that the design of this sensor does not allow electrical adjustment Where the greatest accuracy is not demanded better than 2 these sensors can be interchanged However where higher accuracy is required the setting up procedure given in Appendix I can be followed 5 3 Mlultimet Display Power supply 12V DC Power consumption Appro
15. ost comfortable image by using the options shown on the display LIGHTING Min Max LIGHTIHG Co 02075 2 2 2 Changing displayed information The Multimet can display data in a variety of formats to suit the specific demands of industrial meteorological aviation and marine users The averaging period for displayed data values may be selected as either instantaneous 2 minute or 10 minute rolling averages Pressing any of the grey buttons will cause a menu to be displayed at the bottom of the screen The menu shows the current function assigned to each button If no button is pressed for 5 seconds the menu will slowly scroll off the bottom of the screen Page 9 of 16 Opera ting Multimet MULTIMET Wind Speed and Direction System amp OnlinePro Software Users Handbook ws Bs PRESS TO STEP PRESS TO STEP QUICK PRESS THROUGH DATA THROUGH DIFFERENT Backlight Contrast Menu AVERAGING PERIOD DISPLAY FORMATS PRESS FOR 3 SECONDS Instantaneous Values Main Compass Display Q0 Enter Configuration Menu 2 minute Average Historical Speed Graph 10 minute Average Format With Big Numbers 02076 MAIN Wind Display The Main display format uses a compass type display to show wind direction The pointer shows where the wind is from Displayed values are shown below Selected Averagin Variation Sector the CASELLA period i limits of average direction during averaging period Averaged wind speed with m
16. s Handbook 1 MULTIMET INSTALLATION 1 1 Introduction The Multimet is designed as a CASELLA professional reliable and easy to use system satisfying the demands of industrial meteorological aviation and marine users The system can display and record wind speed and direction data in a variety of clear and unambiguous formats ideally suited to many different applications A high contrast transflective LCD display with back light facility maintains MULTIMET crystal clarity in all lighting conditions a Multimet display units may be networked r O O c C together to provide distributed multi user 02067 access to real time wind data A comprehensive PC software package Online Pro supports the System and provides graphical presentation of real time and historical wind data The software operates in the Windows environment and may be user ose configured to suit specific monitoring requirements 1 2 System Installation 1 2 1 General NE LE The Casella CEL Multimet is available in either a desktop enclosure or panel mount format 02068 Desk Top Systems The desk top version should be positioned in the desired location ensuring adequate clearance behind the unit for interconnecting cables Simple connection of cables for sensors data communications and power supply is achieved using connectors located on the rear of the instrument Panel Mounted Installation For panel mounted applications use the supplied t
17. ximately 250 mA Display 160 x 128 transflective graphics LCD with CCFL backlight Display units mph km h m s knots Sensor polling Approx 5 readings per second Processed data Instantaneous value updated every second 2 and 10 minute rolling averages updated every 5 seconds 2 and 10 minute maximum and minimum values updated every 5 seconds 2 and 10 minute and 5 second direction variation sector Datalogging interval 1 to 120 minutes Memory capacity 4500 readings Logged data Date time average maximum and minimum speed and direction over logging period Alarms Instantaneous or 2 minute wind speed Loss of sensor data Dimensions Panel mounting 110 x 110 x 80 mm Desk top enclosure 125 x 125 x 133 mm Mains Power Supply Input 90 260 V AC at less than 40 Watts Output 12 V DC 1 2 Amps 5 4 Applications H Industrial emissions monitoring H Wind monitoring at harbours airports and helipads H Wind monitoring for bridge management X Nuisance dust monitoring for construction sites X Landfill and waste management sites X Sports events Page 16 of 16
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