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Figure 45 Wind Direction Voltage Output with WS425 Cable and Adapter Cable

5.15 Limitations for Output Signals

You can specify the minimum and maximum values for analog output with the configuration
parameters. The output is fixed to the specified values, and the unit depends on the selected
analog output mode.

Example

To limit the output 1 in voltage mode to a range of 0.1 … 5 V, set the analog output
minimum value to 0.1 and the analog output maximum value to 5. Type the following
commands:

S aout1minv,0.1 S aout1maxv,5

5.16 Missing Readings and Error

Indication

If WMT700 is unable to measure the wind, it indicates a missing reading in the output. The
most common reasons for measurement problems are foreign objects (such as ice, birds, or
other foreign object) on the line of measurement or sound reflections from nearby objects
(such as wind tunnel walls).

WMT700 User Guide

M211095EN-H

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Summary of Contents for WINDCAP WMT700 Series

Page 1: ...M211095EN H User Guide Vaisala WINDCAP Ultrasonic Wind Sensor Series WMT700 ...

Page 2: ... precedence over the information contained in this manual Vaisala makes no representations on this manual s compliance with the local rules and regulations applicable at any given time and hereby disclaims any and all responsibilities related thereto This manual does not create any legally binding obligations for Vaisala towards customers or end users All legally binding obligations and agreements...

Page 3: ... Signal for Wind Direction Channel 23 2 3 9 Connection Cables 24 2 3 10 Mounting Adapters 24 2 3 11 Accessories 25 2 3 12 Manual 25 2 3 13 Example of WMT703 Configuration 26 2 4 Accessories 26 2 4 1 Bird Cage 27 2 4 2 Zero Wind Verifier 27 2 4 3 Cables 28 2 4 4 Cable Tightening Tool 29 3 Functional Description 31 3 1 Operating Principle 31 3 2 Coordinate Systems Vector and Polar Calculations 34 3 ...

Page 4: ...MT700 63 4 7 1 Configuring Wind Direction Offset 65 4 7 2 Analog Output Parameter for WMT700 in Tunnels and Cranes 65 4 8 Installing Bird Cage 70 4 8 1 Installing Bird Net 71 4 9 Wiring 72 4 9 1 Cables 72 4 9 2 Cable 2 m Cable 10 m Cable 15 m and Cable 26 m 73 4 9 3 RS 485 for COM2 with Cable 2 m and 10 m 74 4 9 4 RS 485 Cable 2 m and RS 485 Cable 10 m 75 4 9 5 Connector Signals 75 4 10 Powering 7...

Page 5: ...00 117 5 10 1 Operating WMT700 with Terminal Program 118 5 10 2 Data Messages 119 5 10 3 Missing Readings 124 5 10 4 Error Indication 124 5 11 Measurement Mode Commands 125 5 11 1 WMT700 Profile Commands 125 5 11 2 ROSA MES12 Profile Commands 128 5 12 Operating WMT700 in WS425 Analog Output Mode 128 5 12 1 Analog Output Settings 128 5 13 Wind Speed Output 129 5 13 1 Frequency 129 5 13 2 Voltage 13...

Page 6: ...70 8 Technical Data 173 8 1 Measuring Specifications 173 8 2 Electrical Specifications 174 8 3 Environmental Specifications 175 8 4 Mechanical Specifications 176 8 5 Accessory List 177 Appendix A Command Set for WMT700 181 Appendix B Typical System Environments 183 Appendix C Default Settings for Different Communication Profiles 185 C 1 Default Settings for Different Communication Profiles 185 App...

Page 7: ...d and Wind Speed Alarm 68 Figure 28 mA Output in Cranes 69 Figure 29 WMT700 Bird Cage and Bird Cage Straps 71 Figure 30 COM2 RS 485 Wiring 74 Figure 31 Pins for 17 Pin M23 Connector 75 Figure 32 Wiring of Non heated WMT700 Versions 77 Figure 33 Operating Supply Current Consumption 78 Figure 34 Operating Supply Power Consumption 79 Figure 35 Wiring of Heated WMT700 Versions Part 1 80 Figure 36 Wiri...

Page 8: ...83 Figure 50 System Environment with Analog Output Only 183 Figure 51 System Environment with Serial Ports COM1 and COM2 184 Figure 52 System Environment with Backup Battery 184 Figure 53 Complete Set of WMT700 Accessories 197 WMT700 User Guide M211095EN H 6 ...

Page 9: ... 485 Cable 10 m 228260SP 75 Table 27 Pin Out for 17 Pin M23 Connector 76 Table 28 Operating Power Supply Voltage Requirements 77 Table 29 Heating Power Supply Requirements 79 Table 30 Heating Power and Extension Cable 80 Table 31 Sensor Power of Different Heating Options 82 Table 32 heaBMaxPower Parameter Values 82 Table 33 Mounting Kits and Cable Codes 88 Table 34 ROSA Cable 10 m 231425SP 94 Tabl...

Page 10: ...cifications 174 Table 62 WMT700 Output Specifications 174 Table 63 WMT700 Environmental Specifications 175 Table 64 WMT700 Mechanical Specifications 176 Table 65 Tools 177 Table 66 Bird Obstructions 178 Table 67 Cables 178 Table 68 WMT700 Mounting Accessories 178 Table 69 WS425 Mounting Accessories 179 Table 70 Command Set for WMT700 181 Table 71 Default Settings for Different Digital Communicatio...

Page 11: ...d and follow instructions carefully at this point death will follow DANGER alerts you to a serious hazard If you do not read and follow instructions carefully at this point there is a risk of injury or even death WARNING warns you of a potential hazard If you do not read and follow instructions carefully at this point the product could be damaged or important data could be lost CAUTION Note highli...

Page 12: ...sâ is a registered trademark of Microsoft Corporation in the United States and or other countries All other product or company names that may be mentioned in this publication are trade names trademarks or registered trademarks of their respective owners WMT700 User Guide M211095EN H 10 ...

Page 13: ... and pressure are fully compensated Since the wind sensors have no moving parts they are virtually maintenance free The performance of the sensors does not degrade with wear nor is it affected by natural contaminants such as salt dust or sand The WMT700 series wind sensors support a wide range of communication options You can connect the wind sensors directly to a variety of data acquisition syste...

Page 14: ...nsists of 1 8 and 9 1 Top of WMT700 with North arrow 2 Orange sticker marking North arm 3 Hot warning sticker 4 Type label 5 Mounting screw 6 Mounting adapter 7 Body 8 Transducer arms 3 pcs 9 Transducers 3 pcs WMT700 User Guide M211095EN H 12 ...

Page 15: ... WMT700 from Below 1 Mounting adapter screw 3 pcs use 4 mm Allen key 2 17 pin M23 male connector 3 Waterproof vent Do not open the sensor There are no user serviceable parts inside Chapter 2 Product Overview 13 ...

Page 16: ...FIX70 Mounting Kit 1 Fix body 2 Removable mast guide with mounting hardware 3 Mounting hardware M6 nuts washers 4 U bolts for Ø 30 mm mast 2 pcs 5 U bolts for Ø 60 mm mast 2 pcs WMT700 User Guide M211095EN H 14 ...

Page 17: ...Figure 4 WS425FIX60 POM 1 Clamp 2 Label Figure 5 WMT700FIX60 POM 1 Clamp 2 Label Chapter 2 Product Overview 15 ...

Page 18: ...Figure 6 WS425FIX60 RST and WS425FIX60 1 Label 2 Clamp Figure 7 WMT700FIX60 RST 1 Label 2 Clamp WMT700 User Guide M211095EN H 16 ...

Page 19: ... have been performed according to Sonic anemometers thermometers Acceptance test methods for mean wind measurements ISO 16622 2002 and Measnet Anemometer Calibration Procedure Version 2 October 2009 EMC tests are based on a European product family standard EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements for use in industrial locations and EN 60945 2...

Page 20: ...ement range 2 Temperature range 3 Heating 4 Digital communication interface 5 Digital communication profile 6 Digital communication unit 7 Analog output signal for wind speed channel 8 Analog output signal for wind direction channel 9 Connection cables 10 Mounting adapters 11 Not in use 12 Accessories 13 Manuals If required you can change 2 3 4 Digital Communication Interface page 20 2 3 5 Digital...

Page 21: ... 75 m s 4 WMT704 up to 90 m s A WMT701 up to 40 m s Accredited Wind Calibration B WMT702 up to 65 m s Accredited Wind Calibration C WMT703 up to 75 m s Accredited Wind Calibration D WMT704 up to 90 m s Accredited Wind Calibration 2 3 2 Temperature Range Ordering option 2 defines the operating temperature range for the sensor Table 6 Temperature Range Option Temperature Range A 10 60 C B 40 60 C C ...

Page 22: ...nsducers arms and body Min 250 W needed Vaisala recommends using heated versions of WMT700 in environmental conditions where snow and ice build up is possible 2 3 4 Digital Communication Interface Ordering option 4 defines the serial line physical interface Four different standard communication interfaces are available In addition there is a service port Table 8 Digital Communication Interface Opt...

Page 23: ...DI 12 v 1 3 1200 7 E 1 Polled 4 WS425 ASOS 2400 8 N 1 Polled 5 ROSA MES12 9600 8 N 1 Polled 8 AWS520 NMEA Extended v 0183 4800 8 N 1 Auto send 1 s A MARINE1 v 0183 4800 8 N 1 Auto send 1 s 2 3 6 Digital Communication Units Ordering option 6 offers four different digital communication options Table 10 Digital Communication Units Option Unit Used A Meters per second B Knots C Miles per hour D Kilome...

Page 24: ...cation sets output to 2 mA 4 Current output 0 2 mA m s 0 mA 0 m s 8 mA 40 m s WMT701 maximum wind speed 13 mA 65 m s WMT702 maximum wind speed 15 mA 75 m s WMT703 maximum wind speed 18 mA 90 m s WMT704 maximum wind speed 6 Frequency output 10 Hz m s 0 Hz 0 m s 400 Hz 40 m s WMT701 maximum wind speed 650 Hz 65 m s WMT702 maximum wind speed 750 Hz 75 m s WMT703 maximum wind speed 900 Hz 90 m s WMT70...

Page 25: ...l down output 10 Hz m s 0 Hz 0 m s 400 Hz 40 m s WMT701 maximum wind speed 650 Hz 65 m s WMT702 maximum wind speed 750 Hz 75 m s WMT703 maximum wind speed 900 Hz 90 m s WMT704 maximum wind speed 2 3 8 Analog Output Signal for Wind Direction Channel Ordering option 8 defines analog output signal for wind direction WS425 Potentiometer output is backward compatible when replacing WS425 with a WMT700 ...

Page 26: ...ds on one end 4 MAWS cable 10 m 5 AWS520 cable 10 m Shield connected to PE pin 6 Adapter cable for WS425 serial 7 Adapter cable for WS425 analog frequency output 8 RS485 cable 2 m cable connector open leads on one end 9 RS485 Cable 10 m cable connector open leads on one end A Adapter cable for WS425 analog voltage output B AWS520 cable 10 m Shield not connected to PE pin C ROSA analog cable 10 m c...

Page 27: ...for old WS425 FIX30 WS425FIX60 WS425 compatible adapter no fix F Adapter 228777 with WS425FIX60 WS425 compatible adapter with WS425FIX60 G Adapter 228869 with ASM212140 suitable for mounting 4258057 ASOS mounting adapter Ordering option 11 is reserved for future use 2 3 11 Accessories Ordering option 12 defines WMT700 accessories Table 15 Accessories Option Accessories A No accessories B Bird cage...

Page 28: ...ormation Heating page 48 2 4 Accessories WMT700 can be tailored to your needs with several accessories The accessories include Mounting adapters for different mast diameters Cables for different host systems and preferred communication types Bird prevention kit Field calibration kit Cable tightening tool WMT700 User Guide M211095EN H 26 ...

Page 29: ... the wind speed and direction measurements You can install the bird cage on a mounted WMT700 without dismounting the wind sensor In cold climates accumulated snow or ice on the bird cage can disturb the measurement In such conditions perform frequent visual inspections of WMT700 to avoid ice or snow build ups 2 4 2 Zero Wind Verifier Figure 10 Zero Wind Verifier Chapter 2 Product Overview 27 ...

Page 30: ...tion with RS 485 interface 228260SP RS 485 Cable 10 m cable connector open leads on one end Used for serial communication with RS 485 interface 227565SP MAWS cable 10 m Used for connecting WMT700 to Vaisala Automatic Weather Station MAWS 229807SP AWS520 cable 10 m shield connected to PE pin Used for connecting WMT700 to Vaisala Fixed Site Observation System AWS520 227566SP AWS520 cable 10 m shield...

Page 31: ...htening Tool WMT700 is shipped with a cable tightening tool 237888SP When you insert a cable in the cable tightening tool it is easier to grip and rotate After tightening you can leave the cable tightening tool in place Chapter 2 Product Overview 29 ...

Page 32: ...WMT700 User Guide M211095EN H 30 ...

Page 33: ...kes the ultrasound to travel from each transducer to the other two The wind sensor measures the transit time in both directions along the three paths established by the array of transducers The transit time depends on wind speed along the ultrasonic path For zero wind speed both the forward and reverse transit times are the same With wind along the sound path the upwind direction transit time incr...

Page 34: ...nic measurement with zero wind 2 Impact of tail wind on ultrasonic measurement 3 Impact of head wind on ultrasonic measurement The microcontroller calculates WS from the measured transit times using the following formula WMT700 User Guide M211095EN H 32 ...

Page 35: ...f the three ultrasonic paths Using Vw values of two array paths is enough to compute WS and WD The different paths of WMT700 and the vectors provided by the wind sensor Figure 13 Measurement Paths of WMT700 1 6 Measurement paths 1 to 6 of WMT700 La Lb Lc Distance between two transducers The vectors are calculated as follows Va 0 5 La 1 A1 1 A2 Vb 0 5 Lb 1 A3 1 A4 Vc 0 5 Lc 1 A5 1 A6 Chapter 3 Func...

Page 36: ...orthogonal coordinates to achieve the x and y components Then the sensor converts the wind vectors into polar coordinates The measurement results are reported as follows WMT700 reports WS x y as two scalar speeds one parallel to the N S direction x and the other y parallel to the W E direction x WS cos WD y WS sin WD WMT700 reports polar wind speed as a scalar speed in selected units m s kt mph km...

Page 37: ... is determined according to the user configurable averaging time The averaging time affects serial communication and analog output similarly You can also configure the gust averaging time for calculating wind extreme values The default gust averaging interval is 3 seconds as recommended by World Meteorological Organization WMO If you select scalar averaging you can also enable wind direction coast...

Page 38: ...ction to a linear function to determine the wind direction average For example 359 5 is translated to 364 which is then further converted to 4 for output 0 5 is translated to 355 This ensures that the wind direction average stays representative of the true situation even if individual samples occur on both sides of the zero direction If the data acquisition system requests data before the initial ...

Page 39: ...rmal operation 3 3 3 Vector Averaging When you select vector averaging WMT700 calculates wind speed and direction averages by adding up each x velocity and y velocity measurement from the averaging time and then dividing the sum by the number of measurements WMT700 converts the resultant average x velocity and average y velocity to polar direction and magnitude which returns the wind direction ave...

Page 40: ...ind speed and direction for a specified period of time The duration of the measurement can range from 0 25 seconds to 60 minutes depending on the configured averaging interval You can fetch the required data message from WMT700 in measurement mode with the polling command You must specify the data message in the command More Information Serial Interface Timing page 42 3 5 Host System Connections a...

Page 41: ...g function from consuming the operation power In a split supply system there can be a separate backup power supply for the operating power supply The following figure shows the main software components and external interfaces of WMT700 Figure 16 WMT700 External Interfaces More Information Typical System Environments page 183 3 6 Serial Communication and Analog Output The following functionality is...

Page 42: ... 485 recommended up to 1200 meter distance in point to point connection RS 422 recommended up to 1200 meter distance SDI 12 recommended up to 60 meter distance Note that the recommendations depend on communication speed and cable type In optimized environments even longer distances can be considered Regardless of the factory configuration you can change the COM2 interface type by using terminal so...

Page 43: ... NMEA MWV SDI 12 WS425 ASOS WS425 ASCII WS425 NMEA Standard WS425 WAT11 MES12 More Information Parameter Handling Commands page 102 3 7 4 Measurement and Configuration Modes The serial ports have two operation modes The configuration mode is for configuring WMT700 settings over a serial connection The selected communication profile does not affect the available configuration commands The measureme...

Page 44: ...Command Set for WMT700 page 181 Entering and Exiting Configuration Mode page 100 OPEN Entering Configuration Mode page 100 CLOSE Exiting Configuration Mode page 101 3 7 5 Serial Interface Timing Depending on the selected interface the serial data interface timing is as follows WMT700 User Guide M211095EN H 42 ...

Page 45: ...T700 takes measurements according to the configured averaging time and synthesizes the analog outputs of wind speed and wind direction with an update interval of 0 25 seconds You can use configuration parameters to change the analog output type WMT700 scaling or save power by disabling the analog output functionality WMT700 provides the following analog outputs Aout1 for wind speed data Aout2 for ...

Page 46: ...Push pull output Pull down output Pull up output Analog output for Wind Direction Aout2 can be configured as Voltage output Current output Potentiometer output Figure 19 Frequency Output WMT700 User Guide M211095EN H 44 ...

Page 47: ...615 A m s 0 004 A 0 002 A 4 mA 0 m s 20 mA 65 m s WMT703 0 00021333 A m s 0 004 A 0 002 A 4 mA 0 m s 20 mA 75 m s WMT704 0 00017777777 A m s 0 004 A 0 002 A 4 mA 0 m s 20 mA 90 m s Frequency Push Pull 10 Hz m s 0 Hz 1000 Hz 0 Hz 0 m s 750 Hz 75 m s WS425 voltage 8 mV mph 0 017895 V m s 0 mph 2 V 0 mV 0 mph 1 344 V 168 mph WS425 frequency 5 Hz mph 11 185 Hz m s 0 mph 1000 Hz 0 Hz 0 mph 840 Hz 168 m...

Page 48: ...ling for all the measurement ranges The following tables list the most common settings for different units Table 20 Common Transfer Function Settings for Aout1 WS Output Signal Scaling Units Setting for Gain Setting for Offset Voltage 8 mV mph 100 mV m s 0 017895 0 1 0 0 Current 0 2 mA m s 0 0002 0 Frequency 5 Hz mph 10 Hz m s 11 185 10 0 WS425 voltage 8 mV mph 0 017895 0 WS425 frequency 5 Hz mph ...

Page 49: ...Output mode voltage Offset 0 0 Gain 0 1 With the above settings the analog output voltage range is from 0 V 0 m s to 7 5 V 75 m s When the measured wind speed is 10 m s the output voltage is 1 0 V Output 0 0 10 0 1 1 0 V Example Output mode current Offset 0 004 Gain 0 0002 With the above settings the analog output current range is 4 mA 0 m s 19 mA 75 m s When the measured wind speed is 10 m s the ...

Page 50: ...s from nearby objects such as wind tunnel walls The default error indication is an out of range signal that is more than 10 V or 20 mA but other error settings can also be configured Example To set analog output 1 error indication in voltage mode to 1 V set the analog output error value to 1 Use the following command S aout1err 1 More Information Configuration Parameter Descriptions page 187 3 9 H...

Page 51: ...ange the heating parameters but you can enable or disable the heating functionality with configuration parameters When heating voltage falls below 18 VDC an alarm is raised Heating is automatically disabled if heating voltage falls below 15 VDC Regardless of heating voltage the maximum heating power is limited to 40 W and the average heating power is limited to 30 W The maximum power control is ac...

Page 52: ...ional principle is the same with the heated transducers and arms Body heating is controlled independently of transducer and arm heating The maximum heating power for the fully heated WMT700 is 350 W and the average heating power is 250 W in harsh weather conditions The inner temperature of the unit is measured continuously If the inner temperature starts rising body heating power automatically red...

Page 53: ...t install WMT700 next to a powerful RF transmitter antenna 4 2 Placing WMT700 Install WMT700 on one of the following Side of the mast Top of the mast Sensor support arm or cross arm To prevent equipment damage install an air terminal so that the tip is as high above the instruments and sensors as possible CAUTION When selecting the mounting position and routing the sensor cable take into account t...

Page 54: ... the ice or snow can fall and cause injury to persons below WARNING 4 3 Unpacking and Handling WMT700 WMT700 is shipped in a custom cardboard container with two plastic transportation dampers When unpacking WMT700 remove only the bottom damper that protects the sensor body Never transport WMT700 without the custom shipping container Otherwise the warranty becomes void CAUTION WMT700 User Guide M21...

Page 55: ...he upper transportation damper that protects the array until you have installed the sensor CAUTION Handle with care Any impact on the instrument or sensor array may cause damage and lead to incorrect measurements CAUTION Figure 21 Handling WMT700 Chapter 4 Installation 53 ...

Page 56: ...area WARNING A long cable between units sensors transmitters power supplies and displays can cause a lethal lightning induced current surge Always ground the enclosure to a suitable grounded location with a short low resistance cable WARNING Make sure that the cable is properly attached to the mast or cross arm before starting the installation Otherwise it may slip and fall down during the install...

Page 57: ... tightening tool The ribbed part of the tool offers a better grip of the cable when tightening the connector You do not need to remove the tool when the connector is tightened 1 Cable tightening tool 2 Cable 2 If you are not using the cable tightening tool remove the mounting adapter from the sensor body and lead the sensor cable through the mounting adapter Chapter 4 Installation 55 ...

Page 58: ... is properly tightened before proceeding to the next step 1 WMT700 2 Cable tightening tool 3 Cable Do not use tools when tightening the connector CAUTION To avoid water leakage and damage to the sensor verify that the connector is properly tightened If water leaks into the connector this voids the warranty for the sensor CAUTION WMT700 User Guide M211095EN H 56 ...

Page 59: ...700 on a 30 mm 1 18 in or a 60 mm 2 36 in pole mast The WMT70FIX mounting kit contains U bolts for both kinds of pole masts 2 pcs each You can place WMT700 either on the side or on top of the mast When selecting the mounting position take into account Other equipment installed on the mast for example air terminal Cable routing inside or outside the mast 1 Make sure that the cable is firmly connect...

Page 60: ...ake sure that the mounting kit is positioned at the top level of the mast Figure 23 Mounting WMT700 on Top of Mast 3 Check that the mounting kit is level and tighten the U bolts slightly Do not tighten the bolts too much at this stage You still need to rotate the mounting kit to align the sensor after the installation 4 Haul the sensor up WMT700 User Guide M211095EN H 58 ...

Page 61: ...5 Holding the sensor from its body run the cable through the WMT70FIX mounting kit and slide the sensor into the mounting kit Chapter 4 Installation 59 ...

Page 62: ...A4 in horizontal slot 7 To align the sensor rotate the mounting bracket More Information Aligning WMT700 page 63 4 6 Mounting WMT700 on Sensor Support Arm or Cross Arm Using WMT70FIX 5 mm Allen key Adjustable wrench When mounting WMT700 on a horizontal sensor support arm or cross arm using the WMT70FIX mounting kit place WMT700 with the array facing up or down WMT700 User Guide M211095EN H 60 ...

Page 63: ...ter from accumulating inside the mounting adapter 1 Make sure that the cable is firmly connected to the sensor 2 Attach the WMT70FIX mounting kit to the sensor support arm or cross arm with the U bolts and insert the U bolts in the slots of the mounting kit 3 Check that the mounting kit is not tilted to either side and tighten the U bolts firmly 4 Haul the sensor up Chapter 4 Installation 61 ...

Page 64: ...5 Holding the sensor from its body run the cable through the mounting kit and slide the sensor into the mounting kit WMT700 User Guide M211095EN H 62 ...

Page 65: ...t and nut M8 DIN934 A4 in horizontal slot 7 Align the sensor If you installed the sensor with the array facing down configure WMT700 accordingly More Information Aligning WMT700 page 63 4 7 Aligning WMT700 5 mm Allen key Compass WMT700 is permanently marked with the letter N and a North arrow The North arm is marked with an orange sticker Chapter 4 Installation 63 ...

Page 66: ... 2 To align the sensor use a compass or other similar method to rotate the sensor so that the North arrow points North 3 Tighten the bolts of the mounting kit Tightening torque 5 Nm 4 If you cannot align WMT700 measure the deviation angle from North and configure the wind direction offset error Connect the cable to the data acquisition system and power supply WMT700 User Guide M211095EN H 64 ...

Page 67: ...its the wind direction data by using the changed zero alignment More Information Configuration Parameter Descriptions page 187 4 7 2 Analog Output Parameter for WMT700 in Tunnels and Cranes Analog outputs can be used in road and rail tunnel applications as well as crane applications You can get horizontal and direction data with the parameter aout_map The aout_map parameter defines how analog outp...

Page 68: ...Wind Speed Wind Direction x Component y Component 1 0 1 0 1 90 0 1 1 180 1 0 1 270 0 1 4 7 2 1 Tunnel Application In the tunnel application airflow can be presented with one mA output channel because airflow goes along the tunnel Typically a relatively long average time time constant for wind speed parameter is applied The sensor must be installed in a tunnel so that the sensor s North is aligned ...

Page 69: ... the output scale 12 mA When airflow increases from 0 m s towards North mA output reduces from 12 mA linearly resulting in 4 mA with 20 m s wind Similarly when airflow increases from 0 m s towards South mA output increases from 12 mA linearly resulting in 20 mA with 20 m s wind Figure 26 mA Output in Tunnels Chapter 4 Installation 67 ...

Page 70: ...rm signals with 2 mA output channels The WMT00 alarm output signal can be connected to external audible or visible devices to trigger wind speed alarm for user defined limits Two analog channels are required for this application Channel 1 provides the wind speed value Channel 2 provides the alarm signal Figure 27 Analog Output for Wind Speed and Wind Speed Alarm The wind speed value can be scaled ...

Page 71: ...ed alarm when the wind speed value exceeds the set limit value s aout_map 2 The analog output 2 works as digital output aout2_o sets the threshold wind speed ws_tresh unit m s to 20 m s s aout2_o 20 s aout2_g 1 To invert the logic signal type s aout2_g 1 aout1 gives wind speed 4 20 mA output aout2 gives 0 mA when the wind speed is 20m s otherwise 20 mA Chapter 4 Installation 69 ...

Page 72: ...s aout2err 0 00 4 8 Installing Bird Cage Install the bird cage on top of the wind sensor In cold climates take into account that accumulated snow or ice on the bird cage can disturb the measurement In such conditions visit the site frequently to clear ice and snow build up Make sure that you do not damage the WMT700 array when installing the bird cage CAUTION WMT700 User Guide M211095EN H 70 ...

Page 73: ... lower strap through the three guides in the kit 4 Lift the latch screw insert the strap to the latch and press down the latch screw 5 To tighten the screw turn it clockwise with a screw driver or a socket Do not over tighten 6 Run the upper strap through the three guides in the kit and repeat step 4 and step 5 for it 4 8 1 Installing Bird Net In areas with large populations of small birds you can...

Page 74: ...m in case analog output has been used with WS425 Vaisala provides open lead cables for connections to other host systems Cable 2 m 227567SP Cable 10 m 227568SP RS485 Cable 2 m 228259SP RS485 Cable 10 m 228260SP ROSA Cable 10 m for Analog Outputs 231425SP Junction Box with Cable 2 m ASM210719SP Cable 2 m and Cable 10 m carry through all signals from WMT700 while the RS 485 cables are designed for R...

Page 75: ...rating Power Supply White 1 Operating Power Supply Ground Gray Pink 11 Heater Power Supply Gray 5 Heater Power Supply Pink 6 Heater Power Supply Ground Blue 7 Heater Power Supply Ground Red 8 Enclosure Ground Shield Shield Analog Outputs Analog Output AOUT2 Wind Direction Brown 2 Analog Output AOUT1 Wind Speed White Green 13 Reference Input for AOUT2 simulated potentiometer White Gray 17 Analog Ou...

Page 76: ...5 Signals RxB Green 3 TxB Yellow 4 TxA Brown Green 14 RxA White Yellow 15 To avoid confusion the RS 485 and RS 422 signals of WMT700 are named as follows Inverting Non inverting According to the EIA 485 standard the lines are named as follows Inverting A Non inverting B The A B naming used by some manufacturers is in conflict with the standard To ensure proper operation verify the polarity of the ...

Page 77: ...ing Power Supply White 1 Operating Power Supply Ground Gray Pink 11 Heater Power Supply Gray Green Pink 5 6 Heater Power Supply Ground Blue Black Red Yellow 7 8 Enclosure Ground Shield Shield COM2 RS485 Brown 3 4 RS485 Red Blue 14 15 Communications Ground Violet 10 4 9 5 Connector Signals The following figure and table show the pin out of the 17 pin M23 connector The serial output type of COM2 dep...

Page 78: ...imulated potentiometer Shield Enclosure Ground 4 10 Powering WMT700 has separate power supply inputs for operating and heating power The inputs are usually connected to the same 24 VDC power supply unit but special applications such as battery operation or battery back up may require separate supplies The operating power has one supply terminal and one ground terminal while the heating power has t...

Page 79: ...ent and power consumptions vs operating voltage are shown in the following figures Note that the selected heating option affects the needed operation voltage when separate powering for operation and heating is used Do not use a DC power supply based on a chopper circuit that operates at 100 kHz The ripple in the DC output can distort the measurement Table 28 Operating Power Supply Voltage Requirem...

Page 80: ...e normal input voltage ranges are operating voltage 10 30 VDC 10 30 and heating voltage 24 30 VDC 10 30 as defined in the maritime standard IEC 60945 Figure 33 Operating Supply Current Consumption WMT700 User Guide M211095EN H 78 ...

Page 81: ...ritime environments the normal input voltage ranges are operating voltage 10 30 VDC 10 30 and heating voltage 24 30 VDC 10 30 as defined in the maritime standard IEC 60945 Table 29 Heating Power Supply Requirements Heating Option Heating Voltage Required Heating Power Supply None Transducers 24 36 VDC 40 W Transducers and arms 24 36 VDC 200 W Transducers arms and body 24 VDC 350 W 2 m cable Chapte...

Page 82: ...cers arms and body heated is 16 V if a separate power supply unit is used for operation Table 30 Heating Power and Extension Cable Wire Type Cable Length 2 m WMT70CABLE1 10 m WMT70CABLE21 20 m 30 m 40 m 0 5 mm2 AWG20 24V 400 W 28 V 400 W 1 mm2 AWG17 28V 400 W 30 V 400 W 32 V 400 W 2 1 5 mm2 AWG15 30 V 400 W 1 Vaisala standard connection cable 2 Not for maritime use The following figures illustrate...

Page 83: ...ntly decrease the heating capabilities of WMT700 Loop resistance of 0 15 Ω results in approximately 1 V drop in heating voltage with 200 W heating You should note this to get proper heating capability For example the loop resistance of a 10 m cable 227568SP is 0 7 Ω resulting in an approximately 4 V drop It is recommended that you use at least a 28 V supply for the maximum heating capability 4 10 ...

Page 84: ...Values Body Heating Parameter Value Off 0 On 150 4 11 Upgrade from WS425 to WMT700 When upgrading to WMT700 there are the following installation options Basic installation which consists of mounting WMT700 with the FIX70 mounting kit and the WMT700 mounting adapter Uninstall the WS425 wind sensor and mounting kit and follow the installation instructions in 4 1 Installing WMT700 page 51 Retrofit in...

Page 85: ...th WS425 Mounting Kit You can mount WMT700 either on a vertical pole mast or a horizontal cross arm using the WS425 mounting kit The procedure for both mounting options is identical Typically you can upgrade from WS425 to WMT700 without removing the mounting kit If you remove the mounting kit you must align the wind sensor after mounting To facilitate the aligning process mark both the wind sensor...

Page 86: ...figure shows the mounting procedure to a vertical pole mast Figure 37 Retrofit Installation to Pole Mast 1 WMT700 2 Mounting adapter for FIX30 60 3 Mounting screw 4 WS425 mounting kit WMT700 User Guide M211095EN H 84 ...

Page 87: ...hows the mounting procedure to a horizontal cross arm Figure 38 Retrofit Installation to Cross Arm with Array Facing Up 1 WMT700 2 Mounting adapter for FIX30 60 3 Mounting screw 4 WS425 mounting kit Chapter 4 Installation 85 ...

Page 88: ...Retrofit Installation to Cross Arm with Array Facing Down 1 Mounting adapter for FIX30 60 2 WS425 cross arm 3 WMT700 4 11 2 Upgrade Prerequisites You need the following components WMT700 User Guide M211095EN H 86 ...

Page 89: ...pter if necessary If you are not sure that you have the correct mounting adapter contact Vaisala Figure 41 Mounting Adapter for FIX30 WS425FIX60 Left and Mounting Adapter for FIX70 Right Correct cables for the mounting kit and analog output serial communication The table below lists the available cables for a retrofit installation The In Out stands for the possibility to route the cable either ins...

Page 90: ...ds MAWS AWS520 227565SP x x x x x x 229807SP x x x x x 227566SP x x x x x 4 11 3 Upgrading from WS425 to WMT700 1 Uninstall WS425 2 Depending on your cable type do one of the following Run a WMT700 cable through the WS425 mounting kit and connect it to WMT700 If you use a WS425 cable make sure the pre installed O ring seal sits properly in the plastic male connector between the WS425 cable and the...

Page 91: ...t 5 Remove the transportation damper protecting the array and store it for future use 6 Connect the cable to the data acquisition system and power supply Vaisala recommends that you use the cable tightening tool The ribbed part of the tool offers a better grip of the cable when tightening the connector Insert the cable in the cable tightening tool and rotate the ribbed part of the connector by han...

Page 92: ...212140 The following figure shows the parts of the installation Figure 42 Installing with ASOS Mounting Adapter 1 WMT700 2 Adapter for WMT700FIX WMT700FIX POM and WMT700FIX60 RST 228869 3 ASOS mounting adapter ASM212140 4 425NWS sensor alignment adapter 5 425NWS mounting tube 1 Remove the screw from the ASOS mounting adapter WMT700 User Guide M211095EN H 90 ...

Page 93: ...r 228869 The ASOS adapter slides into position 1 Adapter for WMT700FIX WMT700FIX POM and WMT700FIX60 RST 228869 2 ASOS mounting adapter ASM212140 3 Rotate the adapter until the screw holes are aligned Insert the screw and tighten it Chapter 4 Installation 91 ...

Page 94: ...d either outside or inside the mast depending on the mast type and other equipment such as air terminals installed to the mast Make sure that the cable is properly attached to the mast or cross arm before starting the installation Otherwise it may slip and fall down during the installation procedure Make sure to attach the cable properly to avoid strain on the connector Too much strain may cause t...

Page 95: ...reliability Vaisala recommends that you use the WMT700 cable for the retrofit installation 4 11 6 1 Using Standard WMT700 Cables This is the recommended way for the retrofit installation There are various cables available for the installation Cable 2 m 227567SP Cable 10 m 227568SP Cable 15 m 237890SP Cable 26 m 237889SP RS 485 Cable 2 m 228259SP RS 485 Cable 10 m 228260SP ROSA Cable 10 m for Analo...

Page 96: ...utput AOUT1 Wind Speed White Green 13 Reference Input for AOUT2 simulated potentiometer White Gray 17 Analog Output Ground Red Blue 12 COM port RS 232 RS 485 COM2 RS232Rx Rx Green 3 RS232Tx Tx Yellow 4 Tx Brown Green 14 Rx White Yellow 15 COM1 and COM2 Communication Ports Ground Violet 10 COM1 service port RS 485 Black 9 RS 485 Brown Yellow 16 4 11 6 2 Using WS425 Cables with Adapters If a retrofi...

Page 97: ...ower Supply 11 12 VDC Brown 3 COM2 Rx RS232RX 10 Data in RxD R RT Blue 4 COM2 Tx RS232TX 9 Data out TxD T RT Red 5 Heater Power Supply 16 36 VDC Gray Pink 7 Heater Power Supply Ground 3 GND Green 10 COM2 Communications Ground 8 GND Yellow 11 Operating Power Supply Ground 1 GND Black 14 COM2 Tx 12 Data out T RT White 15 COM2 Rx 14 Data in R RT Pink The Adapter Cable for WS425 Serial 227569SP does n...

Page 98: ...er Cable for WS425 Analog Voltage Output 227571SP can be used with the WS425 cable ZZ45204 The following table lists the adapter pin outs and signal descriptions as they appear on their user guides for both WMT700 and WS425 connectors Table 37 Pin Outs for WS425 Analog Voltage Output Adapter Cable WMT700 Connector Pin WMT700 Signal Description WS425 Connector Pin WS425 Signal Description WS425 Wir...

Page 99: ...ray 17 Reference Input for AOUT2 Potentiometer 12 White 12 Analog Output Ground All modes 1 Black common with supply ground 4 11 7 Powering in Retrofit Installations WMT700 is designed to operate with the same supply voltages as WS425 and no connection changes are necessary The power consumption depends on the selected heating options WMT700 with heated transducers can be used to replace similar W...

Page 100: ...WMT700 User Guide M211095EN H 98 ...

Page 101: ...lues are Bits per second 9600 Data bits 8 Parity None Stop bits 1 Flow control None 7 Select Apply OK 8 Select Settings ASCII Setup ASCII sending Send line ends with line feed OK Click and close the New Connection Properties window 9 Select View Font and in the Font list select Terminal 10 Select Call Call Enter a name and select an icon for the connection Select OK When a serial line cable is con...

Page 102: ...iguration mode CLOSE changes the mode to the measurement mode Note that the configuration mode does not recognize the OPEN command and the measurement mode does not recognize the CLOSE command 5 2 1 OPEN Entering Configuration Mode To switch WMT700 from the measurement mode to the configuration mode use the OPEN command 0OPEN enter Fixed character starts the command 0 Sensor address All sensors an...

Page 103: ...n commands using the serial port Before starting configuration you must set the port to the configuration mode You can use one serial port in the configuration mode while operating WMT700 from the other serial port WMT700 provides commands for Parameter handling Wind measurement control Diagnostics Information If the messages parameter is set to 1 response for parameter setting is enabled see D Co...

Page 104: ...based on the user configurable averaging time WMT700 does not send data messages automatically POLL Tests data polling RESET Resets WMT700 S Changes selected parameters or defines new data messages START Starts continuous measurement STOP Stops continuous measurement VERSION Displays the software version WIND_GET Fetches wind calibration information More Information ERRORS Get Error Codes and Coun...

Page 105: ...essage If the messages parameter has been set to 0 WMT700 does not send any response to set parameter command You can also fetch the most recent error data in the configuration mode with the ERRORS command Do not switch the power supply off immediately after the S command Power must be on for at least 5 seconds after the S command to save the updated parameters S x y x Any parameter in D Configura...

Page 106: ...Parameter The G command shows the values of the configuration parameters You can either display all parameter values or only certain values More Information Configuration Parameter Descriptions page 187 5 4 2 1 Get All Parameters You can use the G command to view all parameter values if you do not specify any parameters in the command G 5 4 2 2 Get Specified Parameters You can use the G command to...

Page 107: ...d serial port There is a 100 ms delay after which WMT700 takes the settings into use Do not send commands to WMT700 during this time BAUD x y z w x Bit rate 300 1200 2400 4800 9600 19200 38400 57600 or 115200 y Data bits 7 or 8 z Parity n none e even o odd w Stop bits 1 or 2 Example The bit rate is set to 115200 data bits to 8 parity to none and stop bits to 1 BAUD 115200 8 n 1 5 4 3 2 Display Por...

Page 108: ...the configuration mode or restart WMT700 You can retrieve data with a polling command or configure WMT700 to send data messages at selected intervals You can set the interval for automatic messages with the autoInt parameter START 5 5 3 STOP Stop Wind Measurement This command stops continuous wind measurement To restart measurement use the MEAS or START command You can fetch the most recent measur...

Page 109: ...nce latest reset 3 Code for the most recent event 3 Number of errors since latest reset 10 Code for the first error since latest reset 13 Code for the most recent error 13 If no errors or events have occurred yet the response is the following 0 0 0 0 0 0 More Information Error and Event Messages page 169 5 6 2 CLEARERR Reset Error Codes and Counts This command resets the error counters of WMT700 C...

Page 110: ...19 5 6 4 RESET Reset CPU This command resets WMT700 RESET 5 7 Information Commands 5 7 1 Display Command Set This command displays a list of available configuration commands 5 7 2 H Display Help and Messages This command displays a list of supported data messages and their identification numbers as well as the available values for wind speed measurement unit profile baud rate interface and analog ...

Page 111: ...T command More Information Configuration Parameter Descriptions page 187 Upgrading from WS425 to WMT700 page 88 Loading Settings from Configuration Files page 115 START Start Continuous Measurement page 106 5 9 Configurable Data Messages You can define new data messages for automatic messaging or polling with the WMT700 profile Each item in a user configurable data message string consists of 2 cha...

Page 112: ...e msg1 msg2 msg3 and msg4 parameters All available items are listed in the following tables Table 40 Wind Measurement Items for Data Messages Item Description ad Address dm Wind direction minimum calculated over the averaging period dx Wind direction maximum calculated over the averaging period gu Wind gust speed lu Wind lull speed rg Signal quality st Speed of sound ts Sonic temperature tz 10 s a...

Page 113: ... Item Description er Status code The code is a decimal number Each bit corresponds to a status flag For a list of the bits see 5 9 2 Status Flags page 113 fb 0 No error 1 Blocked sensor fh 0 No error 1 Heater failure Incorrect heater resistance fs 0 No error 1 Wind speed exceeds operating limits 2 Sonic temperature exceeds operating limits 3 Wind speed and sonic temperature exceed operating limits...

Page 114: ... Example In this example a new data message with identification number 1 is defined The items included in the message are average wind speed average wind direction and supply voltage S msg1 ws wd vi cr lf When the above message is polled WMT700 sends the following data if the average wind speed is 5 m s the average wind direction is 128 degrees and the supply voltage is 23 4 05 00 128 23 4 CR LF W...

Page 115: ...s printed after the EOT character _ 02 66 98 21 02 66 02 60 95 68 99 53 99 34_D8 CR LF The non printable characters are shown above as and CR LF 5 9 2 Status Flags The following list describes the status flags included in the data message when the status code item er has been added to the message Each bit corresponds to a specific status Status flags are coded in decimal number format To extract e...

Page 116: ...ind is still correct 11 High noise level 12 Message received correctly The value is always 1 The status flags are set when an event is detected The flags are cleared when a status message is reported To get the current situation you must read the status message twice The first status message shows all events since the last read The second status message shows the current situation Example WMT700 U...

Page 117: ...such as Tera Term or Windows HyperTerminal 1 Use the G command to fetch the current WMT700 parameters 2 Disable error messages with the command S messages 0 3 Copy the values from the terminal program to a file Remove the parameters you do not want to change Also remove the parameter messages to avoid switching messaging on during the transfer 4 Clear the error counters with the command CLEARERR 5...

Page 118: ...485 is a half duplex interface If the RS 485 interface is used and response for parameter setting is enabled messages parameter is set to 1 a simple terminal program cannot be used for loading parameters from file This configuration file contains all the WMT700 parameters that are user configurable For example S wndAvg 1 00000 S wndUnit 0 S wndDirOffset 0 00000 S wndOrientation 0 S wndGustTime 3 0...

Page 119: ...wind sensor To receive wind measurement data through a serial connection as data messages use serial communication If you use the WMT700 profile see the following operating instructions If you use WS425 or SDI 12 profiles see 5 17 Operating WMT700 with WS425 and SDI 12 Profiles page 133 To receive wind measurement data as current potentiometer voltage or frequency output use analog output For a co...

Page 120: ...ct Settings ASCII setup ASCII sending Send line ends with line feed optional OK Close the New Connection Properties window 9 Select View Font Terminal 10 Select Call Call Enter a name and select an icon for the connection Select OK 11 Switch the sensor power supply on The following information is displayed WMT700 v version number 12 Wait for 4 seconds WMT700 enters measurement mode automatically 1...

Page 121: ...ata Message Number Description WMT700 Data Messages 20 WMT700 NMEA MWV profile message that reports average wind speed and direction 21 WMT700 profile message that reports average wind speed and direction 22 WMT700 profile message that reports wind speed in x and y components 23 WMT700 profile message that reports wind speed and direction and self diagnostics information 24 WMT700 profile message ...

Page 122: ...arameters page 109 POLL Poll Data page 127 5 10 2 1 WMT700 Data Message 21 WMT700 Data Message 21 reports the wind speed and direction in the following format ws wd cr lf Fixed text ws Wind speed average wd Wind direction average cr CR carriage return lf LF line feed Example 00 08 299 20 cr lf Wind speed average 0 08 m s Wind direction average 299 2 5 10 2 2 WMT700 Data Message 22 WMT700 Data Mess...

Page 123: ... Message 23 WMT700 Data Message 23 reports wind measurement and self diagnostics data in the following format ws wd wp wm Ts vh vi ta er cr lf Fixed text ws Wind speed average wd Wind direction average wp Wind speed maximum wm Wind speed minimum Ts Sonic temperature vh Heater voltage vi Supply voltage ta Transducer temperature er Status code The code is a decimal number Each bit corresponds to a s...

Page 124: ...t shown in the message Fixed text ws Wind speed average wd Wind direction average wp Wind speed maximum wm Wind speed minimum Ts Sonic temperature vh Heater voltage vi Supply voltage ta Transducer temperature er Status code The code is a decimal number Each bit corresponds to a status flag se Checksum calculation end point not shown in the message sp Print checksum to verify message integrity Exam...

Page 125: ...and end point The result is printed as a 2 digit hexadecimal value The message is in the following format ss ws wd wp wm Ts er se sp cr lf ss Checksum calculation start point not shown in the message Fixed text ws Wind speed average wd Wind direction average wp Wind speed maximum wm Wind speed minimum Ts Sonic temperature er Status code The code is a decimal number Each bit corresponds to a status...

Page 126: ...ization characters SOH STX and ETX The lines are ended by CR and LF characters 5 10 3 Missing Readings If WMT700 is not able to measure the wind it indicates a missing reading in the output The most common reasons for measurement problems are ice birds or other foreign objects on the line of measurement When the WMT700 profile is used WMT700 indicates missing readings by showing 999 in the data me...

Page 127: ...e that the wind data is invalid To check that the wind data is valid include the va item in the data message To check other diagnostics related data include the required items in the data message More Information Status Flags page 113 Items for Data Messages page 110 Command Set for WMT700 page 181 5 11 Measurement Mode Commands The available commands in the measurement mode depend on the selected...

Page 128: ...aging time aOPEN Switches the serial port to configuration mode aPOLL y Fetches latest measurement data from WMT700 aSLEEP Switches WMT700 from normal operating mode to low power mode Fixed text a WMT700 address If the value is 0 it refers to any WMT700 address y Identification number for the data message format 5 11 1 1 MEAS Start Measurement This command starts wind measurement in single measure...

Page 129: ...ace before the polling command to receive data aPOLL y CR LF Fixed text a WMT700 address If the value is 0 it refers to any WMT700 address y Identification number for the data message format Example In this example WMT700 custom data message 1 is polled from WMT700 0POLL 1 CR LF More Information Data Messages page 119 5 11 1 4 SLEEP Enter Low Power Mode This command switches WMT700 from the normal...

Page 130: ... in WS425 Analog Output Mode 5 12 1 Analog Output Settings In analog output operation WMT700 takes measurements according to the configured averaging time and synthesizes the analog outputs of wind speed and wind direction with an update interval of 0 25 seconds The analog output signal type and range depend on the configured settings Normally analog output is enabled and the output settings are p...

Page 131: ...utput offset to 0 More Information S Set Parameter page 103 5 13 Wind Speed Output In a system configured for WS425 you can set WMT700 to measure wind speed and send analog output as frequency or voltage These sections describe WMT700 analog output Settings are configured according to 5 12 1 Analog Output Settings page 128 Wires are connected according to 4 11 6 1 1 ROSA Cable 10 m Analog Outputs ...

Page 132: ...iles per hour In SI units the voltage varies linearly from 0 VDC at 0 meters per second to 1 VDC at 55 88 meters per second The following figure shows the voltage output when an adapter cable for voltage output 227571SP and a WS425 cable are used With WMT700 the wind speed signal appears at pin 15 violet of the adaptor cable The violet wire must be connected to V read channel and the pink wire mus...

Page 133: ...l reference voltage The output is a proportional signal 0 100 of the reference voltage representing the wind direction The reference voltage must be in the range of 1 0 4 0 VDC WMS425 or 0 10 VDC WMT700 The output is 0 VDC at zero degrees and increases to the reference voltage at 359 degrees The following figure shows the output for wind direction With WMT700 the wind direction signal appears at p...

Page 134: ... voltage mode to a range of 0 1 5 V set the analog output minimum value to 0 1 and the analog output maximum value to 5 Type the following commands S aout1minv 0 1 S aout1maxv 5 5 16 Missing Readings and Error Indication If WMT700 is unable to measure the wind it indicates a missing reading in the output The most common reasons for measurement problems are foreign objects such as ice birds or othe...

Page 135: ...ssages 5 18 Communication Profiles WMT700 supports the following communication profiles WMT700 ROSA MES12 WS425 ASCII WS425 NMEA Extended version 0183 WS425 SDI 12 version 1 3 WS425 ASOS The profile has been preconfigured at the factory according to your requirements specified when ordering WMT700 You can change the profile through the serial interface if necessary 5 18 1 Changing Communication Pr...

Page 136: ...None Stop bits 1 Flow control None 7 Select Apply OK 8 Select Settings ASCII setup ASCII sending Send line ends with line feed optional OK Close the New Connection Properties window 9 Select View Font Terminal 10 Select Call Call Enter a name and select an icon for the connection Select OK 11 Switch the sensor power supply on The following information is displayed WMT700 v version number 12 Wait f...

Page 137: ...owed and default values for the WS425 F G ASOS profile Table 47 Configurable Parameters for WS425 F G ASOS Profile Parameter Default Value Profile Specific Allowed Values Description autoSend 0 0 Automatic messages disabled Automatic data message number Selects the data message format for automatic messages com1_protocol 0 1 2 WS425 F G ASOS Profile for serial port COM1 com2_protocol 2 2 WS425 F G...

Page 138: ...STOP command 5 21 1 WS425 F G ASOS Commands WMT700 responds to each command with a fixed length message In the command descriptions CR is an ASCII carriage return control character and LF is an ASCII line feed control character When the WS425 F G ASOS profile is selected WMT700 only responds to upper case characters The following commands are available for operating WMT700 with the WS425 F G ASOS ...

Page 139: ...ASOS Data Message page 140 5 21 1 2 WS Fetch Internal Diagnostics Information This command requests the verbose Built In Test BIT results WS CR LF The command gives a textual run down of the results of all Built In Tests BITs In every line except the bad reading counter the pass fail indication is given with the single character P or F This is followed by the description of the measured parameter ...

Page 140: ...range 18 0 to 26 0 V Array heater resistance good in range 4 0 to 6 0 Ω Heaters off voltage good if below 0 5 V Incoming supply voltage good in range 10 5 to 13 5 V 5 0 V supply good in range 4 5 to 5 5 V 10 V supply good in range 9 0 to 11 0 V Signal Quality Index good above 50 5 21 1 3 WT Request Short Response BIT Results and Status The command WT requests the short response built in test BIT r...

Page 141: ...mat path 1 Signal Quality Index Byte 47 P or F for path 2 Signal Quality Index pass or fail Bytes 48 49 XX format path 2 Signal Quality Index Byte 50 P or F for path 3 Signal Quality Index pass or fail Bytes 51 52 XX format path 3 Signal Quality Index Byte 53 P or F for path 4 Signal Quality Index pass or fail Bytes 54 55 XX format path 4 Signal Quality Index Byte 56 P or F for path 5 Signal Quali...

Page 142: ...ASCII carriage return control character position 19 LF ASCII line feed control character position 20 5 21 1 5 WF Return Fixed Pattern of Data The WF command returns a fixed pattern of data This command can be used to verify the communications link The command format is WF CR LF The data fields are fixed at the following values Status F Wind direction 678 Peak wind direction 567 Wind averaging time...

Page 143: ...ned to be valid and processed during the averaging time If some samples were determined to be missing these samples were not processed and the reported signal quality is a proportional value less than 99 Bytes 28 29 are the modulo 256 hexadecimal checksum of the ASCII values calculated for bytes from 2 to 27 Table 49 WS425 F G ASOS Data Message Byte Description 1 Start of text 2 Sensor ID 3 Comman...

Page 144: ...425 A B NMEA Standard Profile When the WS425 A B NMEA Standard profile is configured WMT700 sends messages based on the configured automatic message interval There are no operating commands available for the user The following table lists configurable parameters and their allowed and default values for the WS425 A B NMEA Standard profile Table 50 Configurable Parameters for WS425 A B NMEA Standard...

Page 145: ...acing down Orientation of the array of WMT700 wndUnit 0 2 0 Meters per second 1 Miles per hour 2 Kilometers per hour 3 Knots Wind speed unit wndVector 1 0 Scalar averaging Wind averaging method 1 The parameter has no protocol specific default value It is determined separately in the configuration code 2 Wind speed unit and COM2 digital communication interface are defined in the order form Default ...

Page 146: ...Extended Profile v 0183 When the WS425 A B NMEA Extended profile is selected you can set WMT700 to send messages based on the configured automatic message interval or poll data using the WIP command Table 51 WS425 NMEA Extended Profile Parameter Descriptions Parameter Default Value Profile Specific Allowed Values Description address A String with 1 character Address for WMT700 autoInt 1 0 25 1000 ...

Page 147: ...1 Array facing down Orientation of the array of WMT700 wndUnit 0 2 0 Meters per second 1 Miles per hour 2 Kilometers per hour 3 Knots Wind speed unit wndVector 0 0 Scalar averaging Wind averaging method 1 COM1 service port is always by default 0 WMT700 protocol This can be changed using serial commands if COM1 is needed for protocol specific communication 2 Wind speed unit and COM2 digital communi...

Page 148: ...e ID Character id Checksum chk Polling String A 72 WIPAQ 72 CR LF B 71 WIPBQ 71 CR LF C 70 WIPCQ 70 CR LF D 77 WIPDQ 77 CR LF E 76 WIPEQ 76 CR LF F 75 WIPFQ 75 CR LF G 74 WIPGQ 74 CR LF H 7B WIPHQ 7B CR LF I 7A WIPIQ 7A CR LF J 79 WIPJQ 79 CR LF K 78 WIPKQ 78 CR LF L 7F WIPLQ 7F CR LF M 7E WIPMQ 7E CR LF N 7D WIPNQ 7D CR LF O 7C WIPOQ 7C CR LF 5 23 2 WS425 A B NMEA Extended Data Message WS425 A B ...

Page 149: ...direction fields are left empty 5 24 WS425 A B ASCII Profile In Vaisala WINDCAP Ultrasonic Wind Sensor WS425 User s Guide this profile was called the Handar mode The following table lists the configurable parameters and their allowed and default values for the WS425 A B ASCII Profile Parameter Default Value Profile Specific Allowed Values Description autoInt 1 0 25 1000 Resolution 0 25 Automatic m...

Page 150: ...ecific default value It is determined separately in the configuration code 2 Wind speed unit and COM2 digital communication interface are defined in the order form Default setting may be any of the allowed options and it can be verified from the unit s configuration code 5 24 1 WS425 A B ASCII Commands The following commands are available for operating WMT700 with the WS425 A B ASCII profile Table...

Page 151: ...ed and wind direction The range is from 1 to 9 WMT700 responds to the Wx command with a 19 character fixed length data message Character Description 1 02H STX start of transmission 2 W 3 Averaging in seconds 4 Status P Pass F Fail 5 Wind direction most significant digit 6 Wind direction middle digit 7 Wind direction least significant digit 8 Wind speed most significant digit 9 Wind speed next digi...

Page 152: ...pretation of the example message 02H STX start of transmission Sensor ID W Averaging in seconds 5 Sensor status P pass Wind direction 120 Wind speed 0013 dot character Wind speed unit T meters per second Checksum most significant digit D Checksum least significant digit E 03H ETX end of transmission Missing Readings If data is missing due to a measurement problem the WS425 A B ASCII message report...

Page 153: ... character 1 digit id WMT700 identification character for example A 1 digit spd Wind speed in meters per second multiplied by 10 For example 045 is 4 5 meters per second 3 digits dir Wind direction with two octal numbers for 6 bit binary data for example 73 corresponds to 7 8 3 64 360 332 degrees Missing Reading The WS425 A B WAT11 message reports missing data as slashes 5 26 SDI 12 Profile v 1 3 ...

Page 154: ...escription address 1 1 2 3 4 5 6 7 8 9 Address for WMT700 autoPort 1 1 COM1 port 2 COM2 port Serial port to which WMT700 sends automatic data messages autoSend 0 0 Automatic messages disabled Automatic data message number Selects the data message format for automatic messages com1_protocol 0 1 1 SDI 12 Profile for serial port COM1 com2_baud 1 1 1200 Baud rate for serial port COM2 Changes take effe...

Page 155: ...ameter has no protocol specific default value It is determined separately in the configuration code 2 Wind speed unit and COM2 digital communication interface are defined in the order form Default setting may be any of the allowed options and it can be verified from the unit s configuration code To start continuous measurement use the START command To stop measurement use the STOP command 5 26 1 S...

Page 156: ...e Sensor to Sub mode A Command aXS Check Current Measurement Unit Command aX Continuous Measurement aR0 More Information Command Set for WMT700 page 181 5 26 1 1 Address Query This command queries for the WMT700 address When you use a question mark as the address character with the a command WMT700 responds as if it was being addressed on the SDI 12 bus Regardless of its address WMT700 responds to...

Page 157: ...the address value Terminates the command The response a CR LF a Single digit WMT700 address that corresponds to the first character of the address value CR LF Terminates the response 1 1 CR LF 5 26 1 3 aAb Change Address This command changes the WMT700 address After WMT700 has received this command and sent a response the sensor does not respond to any other command for one second This gives WMT70...

Page 158: ...asurement This command starts concurrent measurement WMT700 does not return measurement data after this command It sends a response that indicates when the measurement result can be retrieved using the aD0 command and the number of parameters aC a Single digit WMT700 address that corresponds to the first character of the address value C Start concurrent measurement command Terminates the command T...

Page 159: ...cation data after V In a SDI 12 system compliant with the standard if the expected number of measurements is not returned in response to an aD0 command a data recorder issues D1 D2 and so on until all measurement values are received The expected number of measurements is included in the message that WMT700 sends in response to an aC aM or aV command Multiple data requests are not needed with WMT70...

Page 160: ...00 vvv 3 characters specifying the firmware version 604 xxx xxx Optional field up to 13 characters used for a serial number or other specific WMT700 information that is not relevant for operation of the data recorder not used CR LF Terminates the response 5 26 1 7 aM Start Measurement This command starts measurement WMT700 does not return measurement data after this command It sends a response tha...

Page 161: ...t values 5 To fetch the measurement results use the aD0 command 5 26 1 8 aV Start Verification This command starts verification However WMT700 does not return verification data directly after this command It sends a response that specifies when the verification results can be retrieved using the aD0 command and the number of parameters The WMT700 verification data includes a watchdog count sensor ...

Page 162: ...SDI 12 profile is selected the data message sent by WMT700 depends on the command that you use before fetching the data with the aD0 command 5 27 1 WS425 A B SDI 12 Message for C and M Command When you give the commands aC or aM followed by aD0 the response is a WS WD x y s CR LF a Single digit WMT700 address that corresponds to the first character of the address value WS Polar wind speed in selec...

Page 163: ...irst character of the address value watchdog Number of times the watchdog has triggered Ideally should be zero Format c c WS_unit Wind speed unit The options are 0 mph 1 kt 2 km h 3 m s SDI mode Current sub mode setting The options are 0 SDI 12 sub mode A 1 SDI 12 sub mode B spare 1 digit for factory use format c CR LF Terminates the response The above are verification data fields 5 27 3 Requestin...

Page 164: ...t is encoded as three ASCII characters using the following algorithm 1st character 0x40 OR CRC shifted right 12 bits 2nd character 0x40 OR CRC shifted right 6 bits AND 0x3F 3rd character 0x40 OR CRC AND 0x3F Example 1MC 10025 CR LF 1D0 1 2 7 85 2 0 2 2 7 770 5CAH CR LF WMT700 User Guide M211095EN H 162 ...

Page 165: ...ion is not required Periodic calibration of WMT700 is not required for technical reasons However some quality management systems may require regular calibration of the measuring instruments To fulfill these requirements it is recommended that you recalibrate the sensor every 24 months For more information contact Vaisala Service Center If the sensor becomes contaminated cleaning the sensor careful...

Page 166: ... CAUTION In maritime environments it is not possible to perform WMT700 software updates 6 2 Testing Operation Optional verifier WMT70VERIFIER WMT700 measures the time it takes for an ultrasonic signal to travel from one transducer to another Therefore the accuracy of the sensor depends on the distance between the transducers and the time of flight measurement circuit which uses a crystal oscillato...

Page 167: ...peed is more than 10 m s 22 mph or when there is a risk of thunderstorm in the area Some random data samples may be lost during the verifier test This does not indicate that sensor or instrument is faulty Disable heating before performing the verifier test To disable heating disconnect the heater supply voltage or set the heaterOn parameter to 0 1 Slip the verifier over the 3 transducers 2 Start w...

Page 168: ...4 Remove the verifier WMT700 User Guide M211095EN H 166 ...

Page 169: ...MT700 is misaligned which causes an offset error Realign WMT700 according to 4 7 Aligning WMT700 page 63 Wind direction indication acts erratically Orientation of the sensor does not match the wndOrientation parameter value Set the wndOrientation parameter value according to the actual orientation of the sensor See D Configuration Parameter Descriptions page 187 There is no response when you try t...

Page 170: ...riptions page 187 Automatic data messages are not received although parameters have been set correctly WMT700 is not in continuous measurement mode Initiate continuous measurement with START command See 5 5 2 START Start Continuous Measurement page 106 Data from WMT700 is temporarily lost The data logger and wind sensor are not in the same operating mode polling or automatic transmission mode Make...

Page 171: ...ange the default settings in configuration mode see 5 1 Communicating with Terminal Software page 99 3 Event Wind calibration data has been lost WMT700 needs to be calibrated Contact Vaisala technical support 10 Error You have given an invalid value when using the S command Check the allowed parameter values see E 1 Configurable Parameters page 193 11 Error Parameter used with the S command is unk...

Page 172: ...e following communication settings Bits per second 19200 Data bits 8 Parity None Stop bits 1 Flow Control None 7 Close the New Connection Properties window 8 Connect to WMT700 using the RS 485 interface 9 Switch the sensor power supply off and back on 10 Press on your keyboard and hold down the key for at least five seconds WMT700 responds by sending the string Ok Restoring COM1 and COM2 settings ...

Page 173: ...bauds per second com1_data com2_data 8 Number of data bits com1_delay com2_delay 20 Response delay in milliseconds com2_interf 0 0 RS 485 com1_parity com2_parity 0 0 None com1_protocol com2_protocol 0 WMT700 protocol com1_stop com2_stop 1 Number of stop bits The serial port settings have now been restored to known values You can write the OPEN command and start configuring WMT700 More Information ...

Page 174: ...WMT700 User Guide M211095EN H 172 ...

Page 175: ...of reading whichever is greater 75 90 m s 201 mph 5 of reading Available variables Instant peak average maximum minimum gust lull Table 60 WMT700 Wind Direction Measuring Specifications Property Description Value Observation range 0 360 Starting threshold 0 1 m s Resolution 0 01 Response time 250 ms Accuracy 2 Available variables Instant average maximum minimum Any temporary object such as snow ic...

Page 176: ...ts the normal input voltage ranges are operating voltage 10 30 VDC 10 30 and heating voltage 24 30 VDC 10 30 as defined in the maritime standard IEC 60945 2 The actual power consumption depends on the temperature Table 62 WMT700 Output Specifications Property Description Value Readout update interval Maximum 4 Hz Units available m s knots mph km h V mA Hz Operating mode Automatic message or poll m...

Page 177: ...0 mV Current 0 20 mA I 50 uA Potentiometer Reference voltage 1 10 VDC 0 Vref represents 0 359 8 3 Environmental Specifications Table 63 WMT700 Environmental Specifications Property Description Value Operating temperature 10 60 C 14 140 F 40 C 60 C 40 140 C or 55 70 C 67 158 F Storage temperature 60 80 C 76 176 F Operating humidity 0 100 RH IP rating IP66 and IP67 EMC IEC 61000 4 2 6 Emissions CISP...

Page 178: ...imensions H W D 350 250 285 mm 13 78 9 84 11 22 in Weight WMT700 wind sensor 1 8 kg 4 0 lb Mounting adapter 0 3 kg 0 7 lb WMT70FIX mounting kit 1 4 kg 2 2 lb Materials Body and arms mounting kit Stainless steel AISI 316 Transducers Silicone Figure 46 WMT700 Dimensions WMT700 User Guide M211095EN H 176 ...

Page 179: ...Figure 47 WMT70FIX Mounting Kit Dimensions Figure 48 ASOS Mounting Adapter Dimensions 8 5 Accessory List Table 65 Tools Item Order Code Zero Wind Verifier WMT70Verifier Chapter 8 Technical Data 177 ...

Page 180: ...s on one end 228260SP MAWS cable 10 m 227565SP AWS520 cable 10 m shield connected to PE pin 229807SP AWS520 cable 10 m shield not connected to PE pin 227566SP ROSA analog cable 10 m cable connector open leads on one end 231425SP Adapter cable for WS425 serial 227569SP Adapter cable for WS425 analog frequency output 227570SP Adapter cable for WS425 analog voltage output 227571SP Junction Box with C...

Page 181: ...9 WS425 Mounting Accessories Item Order Code Adapter for WS425FIX30 WS425FIX60 POM and WS425FIX60 RST 228777 Mounting adapter for 30 mm tube WS425FIX30 Aluminum mounting adapter for 60 mm tube WS425FIX60 Sensor support arm for 60 mm pole 655 mm with integrated fix for item 228777 WAC425 Chapter 8 Technical Data 179 ...

Page 182: ...WMT700 User Guide M211095EN H 180 ...

Page 183: ...figurable averaging time WMT700 does not send data messages automatically Configuration mode POLL Tests data polling Configuration mode RESET Resets WMT700 Configuration mode S Changes selected parameters or defines new data messages Configuration mode START Starts continuous measurement Configuration mode STOP Stops continuous measurement Configuration mode VERSION Displays the software version C...

Page 184: ...ent mode WS425 A B ASCII profile Wx Starts measurement based on averaging time and fetches the data Measurement mode WS425 A B ASCII profile esc id Polls data from WMT700 Measurement mode SDI 12 profile Queries WMT700 for its address Measurement mode SDI 12 profile a Ensures that WMT700 is responding Measurement mode SDI 12 profile aI Queries WMT700 for its SDI 12 compatibility level model number ...

Page 185: ... only This is the recommended setup for WMT700 serial communications Figure 49 System Environment with Serial Port COM1 Only The following figure shows a system in which the weather station is only connected to the analog output channel Serial port COM1 is used for maintenance purposes Figure 50 System Environment with Analog Output Only Appendix B Typical System Environments 183 ...

Page 186: ... 51 System Environment with Serial Ports COM1 and COM2 The following figure shows a system with a separate back up battery for operating power The heating power is supplied with a direct power supply unit that prevents the heating function from consuming the power supply for the operations This setup is suitable for WMT700 product types that provide heating for the wind sensor Figure 52 System Env...

Page 187: ...None 0 None 0 None 0 None 0 None 0 None Stop bits com1_stop 1 1 1 1 1 1 Response Delay com1_delay 20 ms 20 ms 20 ms 20 ms 20 ms 20 ms Data Port Protocol com2_protocol WMT700 WS425 ASCII WS452 NMEA Ext SDI 12 WS425 F G ASOS ROSA MES12 Baud rate com2_baud 9600 2400 9600 1200 2400 9600 Data bits com2_data 8 8 8 7 8 8 Parity com2_parity 0 None 0 None 0 None 1 Even 0 None 0 None Stop bits com2_stop 1 1...

Page 188: ...y facing up Array facing up Array facing up Array facing up Wind measure ment averaging method wndVector Scalar averaging Scalar averaging Scalar averaging Scalar averaging Scalar averaging Scalar averaging The parameters in the following table do not have a protocol specific default value They are defined in the configuration code Table 72 Parameters with No Protocol specific Default Value Settin...

Page 189: ...ut1maxvaout2maxv 32000 0 32000 V A Hz Analog output maximum value for AOUT1 and AOUT2 The output is fixed to this value The unit depends on analog output mode aout1minvaout2minv 0 0 32000 V A Hz Analog output minimum value for AOUT1 and AOUT2 The output is fixed to this value The unit depends on the analog output mode aout1mode 3 0 Current 1 Voltage 2 Frequency 3 Disabled Analog output mode for AO...

Page 190: ...abled 1 99 Automatic data message number Selects the data message format for automatic messages cal_date Wind calibration date This is a read only parameter com1_baudcom2_baud 4 0 300 1 1200 2 2400 3 4800 4 9600 5 19200 6 38400 7 57600 8 115200 Baud rates for serial ports COM1 and COM2 Changes take effect only after reset or the RESET command Note that a low bit rate can affect measurement timing ...

Page 191: ...WMT700 NMEA MWV com2_protocol 0 0 11 Protocol for serial port COM2 1 SDI 12 2 WS425 F G ASOS 3 WS425 A B ASCII 4 WS425 A B NMEA Standard 5 WS425 A B NMEA Extended 6 WS425 A B WAT11 8 MES 12 11 WMT700 NMEA MWV com1_stopcom2_stop 1 1 1 bit 2 2 bits Stop bits for serial ports COM1 and COM2 Changes take effect only after reset or the RESET command freqType 0 0 Push pull 1 Active pull down 2 Active pul...

Page 192: ...4 serial_n Serial number for WMT700 This is a read only parameter serial_pcb Circuit board serial number This is a read only parameter sleepTime 5 0 Disabled 1 32000 s Duration of the low power mode in seconds WMT700 returns automatically to normal state after this period of time has elapsed You can also return to normal state by sending an extra space before the polling command startDelay 5 0 30 ...

Page 193: ...inLo parameter can be used to compensate for wind speed gain correction for the bird cage S wndGainLo 1 015 wndGustTime 3 0 25 10 Resolution 0 25 s Averaging time for wind minimum and maximum in seconds wndOrientation 0 0 Array facing up 1 Array facing down Orientation of the transducer arms of WMT700 wndRate 1 1 4 Hz 2 8 Hz Hz Wind vector update rate For best performance in wind speeds over 50 m ...

Page 194: ...WMT700 User Guide M211095EN H 192 ...

Page 195: ...Resolution 0 25 Automatic message interval in seconds Do not select a message interval that is shorter than the time it takes to send a data message autoPort 1 1 COM1 port 2 COM2 port Serial port to which WMT700 sends automatic data messages autoSend 0 0 Automatic messages disabled 20 WMT700 NMEA MWV automatic data message Automatic data message number Selects the data message format for automatic...

Page 196: ...art continuous measurement use the START command You can stop the measurement with the STOP command E 2 WMT700 NMEA MWV Commands This command polls data from WMT700 when the WMT700 NMEA MWV protocol is selected id Q MWV chk CR LF Message header Two character talker ID of the polling unit id Two character WMT700 sensor ID AA ZZ Q Query command Field delimiter MWV Sentence formatter chk Checksum fie...

Page 197: ...IWIQ MWV 2F CR LF WIMWV 045 R 011 63 N A 09 CR LF Interpretation of the example message Talker ID II queries the WMT700 NMEA MWV message from sensor which has address parameter set to WI WMT700 responds with talker ID WI and the requested MWV message The reported relative wind direction is 045 degrees and the wind speed is 11 63 knots Missing Readings If data is missing due to a measurement proble...

Page 198: ...WMT700 User Guide M211095EN H 196 ...

Page 199: ...Appendix F WMT700 Accessories Figure 53 Complete Set of WMT700 Accessories Appendix F WMT700 Accessories 197 ...

Page 200: ...eel mounting adapter for 60 mm tube WS425FIX60 RST 12 Aluminum mounting adapter for 60 mm tube WS425FIX60 13 Plastic mounting adapter for 60 mm tube WMT700FIX60 POM 14 Stainless steel mounting adapter for 60 mm tube WMT700FIX60 RST 15 General purpose mounting adapter for WMT700 WMT70FIX 16 Cross arm WMT70CrossArm 17 Cable tightening tool 237888SP 18 Cables with open lead 227267SP 227568SP 228259SP...

Page 201: ...Appendix G Certificate Appendix G Certificate 199 ...

Page 202: ...WMT700 User Guide M211095EN H 200 ...

Page 203: ... 54 197 calibrating 27 calibration data 109 certificate 199 changing communication profile 133 changing address 155 changing settings 99 COM1 40 73 183 COM2 40 73 74 183 commands 108 154 a 155 aAb 155 aC 156 161 aCC 161 aD0 157 160 aI 157 aM 158 aMC 161 aV 159 BAUD 105 CLEARERR 107 CLOSE 100 101 ERRORS 106 169 G 104 H 108 I 148 M 12 128 MEAS 106 126 OPEN 100 126 POLL 38 107 127 RESET 108 S 103 SLE...

Page 204: ...ndling 52 heated transducers 49 heating 20 49 50 heating options 48 heating power supply 79 I information commands 108 installation crane 65 maritime 51 retrofit 82 83 97 tunnel 65 66 installing bird cage 70 WMT700 51 J junction box 28 L location 51 M M23 connector 72 75 maintenance 163 manual 25 mA output 66 68 maximum peak power 81 Measnet 19 measurement methods 38 measurement mode 100 126 measu...

Page 205: ...ing CPU 108 resetting error counters 107 restoring settings 170 RS 232 73 see communication interface RS 422 73 see communication interface RS 485 73 see communication interface S scalar averaging 36 SDI 12 40 73 commands 153 see also communication interface configurable parameters 151 data messages 160 profile 151 send identification 157 sensor parts 11 sensor power 81 serial communication 40 ser...

Page 206: ...e 120 wind speed output 129 wiring 72 COM2 RS 485 74 heated WMT700 77 non heated WMT700 77 retrofit installation 93 WMT700 commands 181 WMT700 NMEA MWV commands 194 WMT700 profile commands 125 WS425 A B ASCII commands 148 WS425 A B NMEA extended commands 145 WS425 A B SDI 12 160 161 WS425 A B WAT11 commands 151 WS425 cable 131 WS425 F G ASOS commands 136 138 140 Z zero alignment 65 zero wind verif...

Page 207: ... of Sale for details of the warranty for each product Technical Support Contact Vaisala technical support at helpdesk vaisala com Provide at least the following supporting information Product name model and serial number Name and location of the installation site Name and contact information of a technical person who can provide further information on the problem For more information see www vaisa...

Page 208: ...WMT700 User Guide M211095EN H 206 ...

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Page 210: ...www vaisala com ...

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