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Summary of Contents for Vaisala WS425
- Page 1 TECHNICAL REFERENCE Upgrading from Vaisala Ultrasonic Wind Sensor WS425 to WMT700 M211097EN-C...
- Page 2 The contents are subject to change without prior notice. Please observe that this manual does not create any legally binding obligations for Vaisala towards the customer or end user. All legally binding commitments and agreements are included exclusively in the applicable supply contract or Conditions of...
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Page 3: Table Of Contents
Other WMT700 Standard Cables........26 Using WS425 Cables with adapters ........26 Adapter Cable for WS425 Serial Output......27 Adapter Cable for WS425 Analog Frequency Output..27 Adapter Cable for WS425 Analog Voltage Output..28 Differences between WMT700 and WS425 Analog Output Signals.............. - Page 4 — Send Identification ..........67 aM! — Start Measurement ..........68 aV! — Start Verification ..........69 SDI-12 Data Messages ............70 WS425 A/B SDI-12 Message for C and M Command ...70 Missing Readings............70 WS425 A/B SDI-12 Message for V Command ....71 Requesting Cyclic Redundancy Check ......71 CHAPTER 6 TROUBLESHOOTING..................73...
- Page 5 ________________________________________________________________________________ APPENDIX A COMPLETE COMMAND SET FOR WMT700 ..........75 VAISALA ________________________________________________________________________ 3...
- Page 6 TECHNICAL REFERENCE___________________________________________________________ This page intentionally left blank. 4 ___________________________________________________________________ M211097EN-C...
- Page 7 Wind Speed Frequency Analog Output with WS425 Cable and Adapter Cable for Analog Frequency Output....36 Figure 11 Wind Speed Voltage Analog Output with WS425 Cable and Adapter Cable for Analog Voltage Output........ 37 Figure 12 Wind Direction Voltage Output with WS425 Cable and Adapter Cable ................
- Page 8 Pin-Outs for WS425 Serial Adapter Cable (227569SP) ...27 Table 6 Pin-Outs for WS425 Analog Frequency Output Adapter Cable ..................28 Table 7 Pin-Outs for WS425 Analog Voltage Output Adapter Cable ..29 Table 8 Analog Output Connections............30 Table 9 Heating Power Supply Requirements for WMT700 Series ..30...
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Page 9: Chapter 1 General Information
- Chapter 4, Operating WMT700 in WS425 Analog Output Mode, provides information on operating WMT700 in analog output mode in a system configured for WS425. - Chapter 5, Operating WMT700 with WS425 and SDI-12 , provides information for operating WMT700 in serial operation mode with WS425 or SDI-12 profiles. -
Page 10: Version Information
Table 2 Related Manuals Manual Code Manual Name ® M211095EN Vaisala WINDCAP Ultrasonic Wind Sensor Series WMT700 User's Guide Documentation Conventions Throughout the manual, important safety considerations are highlighted as follows: Warning alerts you to a serious hazard. If you do not read and follow... -
Page 11: Safety
Any impact on the wind sensor array damages the device. Trademarks ® Vaisala WINDCAP is a registered trademark of Vaisala Oyj. ® Windows is a registered trademark of Microsoft Corporation in the United States and/or other countries. - Page 12 TECHNICAL REFERENCE___________________________________________________________ This page intentionally left blank. 10 __________________________________________________________________ M211097EN-C...
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Page 13: Chapter 2 Introduction
Ultrasonic Wind Sensor Series WMT700 User's Guide. - Retrofit installation procedure, which consists of mounting WMT700 with a WS425 mounting kit and the WMT700 mounting adapter for FIX30/60. To upgrade to WMT700 according to this procedure, follow the instructions in Chapter 2, Retrofit Installation, on page 13 in this manual. - Page 14 ® For general information, see Vaisala WINDCAP Ultrasonic Wind Sensor Series WMT700 User's Guide. For instructions for systems configured for WS425, see Chapter 4, Operating WMT700 in WS425 Analog Output Mode, on page 33 in this manual. 12 __________________________________________________________________ M211097EN-C...
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Page 15: Retrofit Installation
Do not install WMT700 when there is a risk of thunderstorm or lightning activity in the area. CAUTION When handling WMT700, do not rotate, pull, strike, bend, scrape or touch the transducers with sharp objects. Any impact on the wind sensor array damages the device. VAISALA _______________________________________________________________________ 13... -
Page 16: Unpacking Instructions
TECHNICAL REFERENCE___________________________________________________________ 1005-004 Figure 1 WMT700 Sensor Handling Unpacking Instructions WMT700 is shipped in a cardboard custom container with plastic transportation dampers. One of the dampers protects the wind sensor body, while the other shields the array and the transducers. See Figure 2 on page 15. -
Page 17: Figure 2 Wmt700 And Transportation Damper
Chapter 3 _________________________________________________________ Retrofit Installation Figure 2 below shows the damper protecting the array. 1005-025 Figure 2 WMT700 and Transportation Damper NOTE Save the container and all the packaging materials for future transporting or shipping. VAISALA _______________________________________________________________________ 15... -
Page 18: Mounting
Mounting You can mount WMT700 either to a vertical pole mast or a horizontal cross arm using a WS425 mounting kit. The procedure for both mounting options is identical. Typically you can upgrade from WS425 to WMT700 without removing the mounting kit. -
Page 19: Figure 3 Wmt700 Retrofit Installation To Pole Mast
Chapter 3 _________________________________________________________ Retrofit Installation 1104-081 Figure 3 WMT700 Retrofit Installation to Pole Mast The following numbers refer to Figure 3 above: WMT700 wind sensor Mounting adapter for FIX30/60 WS425 mounting kit Mounting screw VAISALA _______________________________________________________________________ 17... -
Page 20: Figure 4 Wmt700 Retrofit Installation To Cross Arm With Array
TECHNICAL REFERENCE___________________________________________________________ 1104-082 Figure 4 WMT700 Retrofit Installation to Cross Arm with Array Facing Up The following numbers refer to Figure 4 above: WMT700 wind sensor Mounting adapter for FIX30/60 Mounting screw WS425 cross arm 18 __________________________________________________________________ M211097EN-C... -
Page 21: Figure 5 Wmt700 Retrofit Installation To Cross Arm With Array
Chapter 3 _________________________________________________________ Retrofit Installation 1104-083 Figure 5 WMT700 Retrofit Installation to Cross Arm with Array Facing Down The following numbers refer to Figure 5 above: Mounting adapter for FIX30/60 WS425 cross arm WMT700 wind sensor VAISALA _______________________________________________________________________ 19... -
Page 22: Before You Start
Figure 6 below shows the available options: FIX30 and FIX60. 1006-054 Figure 6 FIX60 (Left) and FIX30 (Right) ® For information on the FIX70 mounting kit, see Vaisala WINDCAP Ultrasonic Wind Sensor Series WMT700 User's Guide. 20 __________________________________________________________________ M211097EN-C... -
Page 23: Figure 7 Mounting Adapter For Fix30/60 (Left) And Mounting Adapter
The In/Out stands for the possibility to route the cable either inside of outside of the mast. NOTE If you have FIX30, do not use the adapter cables but order the appropriate WMT700 cable. The adapter cable will not fit inside the mast. VAISALA _______________________________________________________________________ 21... -
Page 24: Mounting Procedure
WS425 mounting kit. Connect the cable to the WMT700 wind sensor. If you are using a WS425 cable, ensure the pre-installed o-ring seal sits properly in the plastic male connector (between the existing WS425 cable and the adapter cable). Connect the WS425 cable to the WS425 adapter cable (see Figure 8 below). -
Page 25: Figure 9 Tightening The Connector
Chapter 3 _________________________________________________________ Retrofit Installation Attach the WMT700 sensor body to the WS425 mounting kit and tighten the bolt. Remove the transportation damper protecting the array and store it for future use. Connect the cable to the data acquisition system and power supply. -
Page 26: Check List For Connection Cables
TECHNICAL REFERENCE___________________________________________________________ Check List for Connection Cables Take the following issues into account when installing WMT700: - Routing of the cables depends on the mounting option selected for WMT700. When mounting to a mast, the cable can be routed either outside or inside the mast depending on the mast type and other equipment (for instance, lightning rods) installed to the mast. -
Page 27: Wiring
When performing WMT700 retrofit installation, the possible cables depend on the selected mounting kit. For the FIX60 mounting kit, adapter cables are provided for the WS425 serial and analog output modes. For instructions on connecting WMT700 to the host device for other ®... -
Page 28: Other Wmt700 Standard Cables
Other WMT700 Standard Cables For instructions on connecting WMT700 to the host device for other ® operation modes or using the WMT700 cable, see Vaisala WINDCAP Ultrasonic Wind Sensor Series WMT700 User's Guide. Using WS425 Cables with adapters If retrofit installation using WMT700 cables is not possible, there are adapters available for most of the situations. -
Page 29: Adapter Cable For Ws425 Serial Output
Adapter Cable for WS425 Analog Frequency Output The Adapter Cable for WS425 Analog Frequency Output (227570SP) can be with the WS425 cable ZZ45204. Table 6 on page 28 lists the adapter pin-outs and signal descriptions as they appear on their user guides for both WMT700 and WS425 connectors. -
Page 30: Adapter Cable For Ws425 Analog Voltage Output
Adapter Cable for WS425 Analog Voltage Output The Adapter Cable for WS425 Analog Voltage Output (227571SP) can be used with the WS425 cable ZZ45204. Table 7 on page 29 lists the adapter pin-outs and signal descriptions as they appear on their user guides for both WMT700 and WS425 connectors. -
Page 31: Differences Between Wmt700 And Ws425 Analog Output Signals
White for AOUT2 Differences between WMT700 and WS425 Analog Output Signals WMT700 pin connections differ from the connections of WS425 in that wind speed signal output, both voltage and frequency signals, appears on WMT700 pin 13. NOTE WMT700 analog outputs must be configured according to the appropriate analog output mode, which is either voltage, frequency, or potentiometer. -
Page 32: Powering
Ground supply ground) Powering 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 WS425 models. When upgrading from WS425 to WMT700 with Heated Transducers and Arms, more capacity is required from the power supply unit. - Page 33 Chapter 3 _________________________________________________________ Retrofit Installation NOTE When WMT700 is in operation, the power consumption is higher than with WS425. This can affect system performance in power-critical applications such as solar-powered or battery-powered systems. Use solar-powered or battery backup only to secure operating voltage.
- Page 34 TECHNICAL REFERENCE___________________________________________________________ This page intentionally left blank. 32 __________________________________________________________________ M211097EN-C...
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Page 35: Operating Wmt700 In Ws425 Analog Output Mode
When operating WMT700 in a system configured for WS425, the analog output settings must be configured according to Table 10 on page 34 using the S command. For more information on the S command, see S ®... -
Page 36: Table 10 Required Parameters For Ws425 Analog Output Operation Mode
TECHNICAL REFERENCE___________________________________________________________ Table 10 Required Parameters for WS425 Analog Output Operation Mode Parameter Name Default Allowed Values Description Value aoErrValue 1000 0 …. 32000 Set 2 for voltage output and 1000 for frequency output for similar operation as with WS425. -
Page 37: Wind Speed Output
0 to 10 V with a frequency proportional to wind speed through AOUT1. Every mile per hour adds 5 Hz (WS425) or every meter per second adds 10Hz (WMT700) to the frequency. In SI units, a change of 0.894 meters per second adds 10 Hz to the frequency. -
Page 38: Voltage
Figure 11 on page 37 shows the voltage output when an adapter cable for voltage output and a WS425 cable are used. With WMT700, the wind speed signal appears at pin 14 (pink). The pink wire must be connected to V read channel, and the violet wire must be connected to the ground. -
Page 39: Wind Direction Output
Chapter 4 _______________________________ Operating WMT700 in WS425 Analog Output Mode 0212-038 Figure 11 Wind Speed Voltage Analog Output with WS425 Cable and Adapter Cable for Analog Voltage Output Wind Direction Output When wind direction is measured, WMT700 sends analog output as simulated potentiometer output voltage referred to as external reference voltage. -
Page 40: Limitations For Output Signals
TECHNICAL REFERENCE___________________________________________________________ 0212-040 Figure 12 Wind Direction Voltage Output with WS425 Cable and Adapter Cable 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. -
Page 41: Missing Readings And Error Indication
Chapter 4 _______________________________ Operating WMT700 in WS425 Analog Output Mode Missing Readings and Error Indication If WMT700 is not able to measure the wind, it indicates a missing reading in the output. 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). - Page 42 TECHNICAL REFERENCE___________________________________________________________ This page intentionally left blank. 40 __________________________________________________________________ M211097EN-C...
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Page 43: Operating Wmt700 With Ws425 And Sdi-12 Profiles
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles CHAPTER 5 OPERATING WMT700 WITH WS425 AND SDI-12 PROFILES This chapter provides information for operating WMT700 in serial operation mode with WS425 or SDI-12 profiles. In this chapter each communication profile has its own section listing the configurable parameters and the available commands and data messages. -
Page 44: Getting Started
TECHNICAL REFERENCE___________________________________________________________ Getting Started The communication profile and other settings have been configured at the factory according to the customer specifications given when ordering the product. You can start using WMT700 directly after the installation with these settings. In case you want to change the communication profile, you must also check the other required parameters and change them if necessary. - Page 45 Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles For the correct settings for SDI-12 profile, see section SDI-12 on page 60. Click Apply and OK. On the Settings tab, click ASCII setup. Select ASCII sending - Send line ends with line feed (optional). Click OK and close the New Connection Properties window.
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Page 46: Entering Configuration Mode
WMT700 address. <CR> Carriage return. <LF> Line feed. WS425 F/G ASOS Profile Configurable Parameters Table 11 on page 45 lists the configurable parameters and their allowed and default values for the WS425 F/G ASOS profile. 44 __________________________________________________________________ M211097EN-C... -
Page 47: Ws425 F/G Asos Commands
<LF> is an ASCII line feed control character. NOTE When the WS425 F/G ASOS profile is selected, WMT700 only responds to upper case characters. Table 12 below lists the available commands for operating WMT700 with the WS425 F/G ASOS profile. -
Page 48: Wa - Fetch Averaged Wind Speed And Direction
1-second interval wind speed measurement made by WMT700. For a description of the data message, see section WS425 F/G ASOS Data Message on page 48. You can set the wind averaging time and gust time with the wndAvg and wndGustTime parameters. - Page 49 Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles indication is given with the single character P or F. This is followed by the description of the measured parameter, which is followed by the actual measured value. The Bad 1 second readings counter is a running total of the number of fundamental 1-second readings that the sensor flagged as bad.
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Page 50: Ws425 F/G Asos Data Message
TECHNICAL REFERENCE___________________________________________________________ WS425 F/G ASOS Data Message WMT700 responds to the WA command with a data message described in Table 13 below. Table 13 WS425 F/G ASOS Data Message Byte Description Start of text Sensor ID Command identifier Sensor status:... -
Page 51: Ws425 A/B Nmea Standard Profile
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles For example, a value of 99 signifies that all data samples were determined 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. -
Page 52: Ws425 A/B Nmea Standard Data Message
TECHNICAL REFERENCE___________________________________________________________ Table 14 Configurable Parameters for WS425 A/B NMEA Standard Profile Parameter Default Profile-specific Description Value Allowed Values address String with 1 character Address for WMT700. autoInt 0.25 ... 1000 Automatic message interval in Resolution: 0.25 seconds. Do not select a message interval that is shorter than the time it takes to send a data message. -
Page 53: Missing Readings
999.9 for wind speed. WS425 NMEA 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. -
Page 54: Table 15 Configurable Parameters For Ws425 A/B Nmea Extended
TECHNICAL REFERENCE___________________________________________________________ Table 15 Configurable Parameters for WS425 A/B NMEA Extended Profile Parameter Default Profile-specific Allowed Description Value Values address String with 1 character Address for WMT700. autoInt 0.25 ... 1000 Automatic message interval in seconds. Resolution: 0.25 Do not select a message interval that is shorter than the time it takes to send a data message. -
Page 55: Ws425 A/B Nmea Extended Commands
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles WS425 A/B NMEA Extended Commands This command polls data from WMT700. $WIP<id>Q,*<chk><CR><LF> where $WIP Fixed text <id> Data ID; A … Z Fixed text Fixed text <chk> Checksum (8-bit XOR, excluding $ and *) <CR>... -
Page 56: Ws425 A/B Nmea Extended Data Message
TECHNICAL REFERENCE___________________________________________________________ WS425 A/B NMEA Extended Data Message WS425 A/B NMEA Extended data message is as follows: $P<id>MWV,<dir>,<ref>,<spd>,<uni>,<sta>*<chk><CR><LF> where Fixed text <id> Data ID; A … Z Fixed text <dir> Wind angle: 0 to 359 degrees <ref> Reference: R = relative T = true <spd>... -
Page 57: Ws425 A/B Ascii Profile
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles WS425 A/B ASCII Profile ® NOTE In Vaisala WINDCAP Ultrasonic Wind Sensor WS425 User's Guide, this profile was called the Handar mode. Configurable Parameters Table 17 below lists the configurable parameters and their allowed and default values for the WS425 A/B ASCII Profile. -
Page 58: Ws425 A/B Ascii Commands
Description Requests identification information for WMT700. Starts measurement based on averaging time and fetches the data. The following WS425 A/B ASCII command cannot be used with NOTE WMT700: Measurement Unit Change Ux For a list of configuration commands for WMT700, see Vaisala ®... -
Page 59: Table 19 Ws425 A/B Ascii Data Message
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles WMT700 responds to the Wx command with a 19-character fixed-length data message. For more information, see Table 19 below. Table 19 WS425 A/B ASCII Data Message Character Description ┐ 02H (<STX>, start of transmission) Averaging in seconds. -
Page 60: Missing Readings
- 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 reports 999.9 for wind speed. WS425 A/B WAT11 Profile Configurable Parameters Table 20 below lists the configurable parameters and their allowed and default values for the WS425 A/B WAT11 profile. -
Page 61: Ws425 A/B Wat11 Commands
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles WS425 A/B WAT11 Commands When the WS425 A/B WAT11 profile is selected, you can poll data using the following command: <esc><id> where <esc> = Escape character ASCII 27H <id> = The WMT700 ID, for example, A The response is the following: <stx><id><spd><dir>... -
Page 62: Sdi-12 Profile (V 1.3)
TECHNICAL REFERENCE___________________________________________________________ SDI-12 Profile (v 1.3) SDI-12 is a standard for interfacing data recorders with microprocessor- based sensors. The name stands for serial/digital interface at 1200 baud. The SDI-12 Support Group is an association of companies that produce and use SDI-12 products with the purpose of reviewing requests to enhance, clarify, or modify the SDI-12 architecture and that votes on proposed changes to SDI-12. -
Page 63: Configurable Parameters
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles Configurable Parameters Table 21 below lists the configurable parameters and their allowed and default values for the SDI-12 profile. Table 21 Configurable Parameters for SDI-12 Profile Parameter Default Profile-specific Allowed... -
Page 64: Sdi-12 Commands
Check Current Sub mode aX?!, Place Sensor in Sub mode B Command aXQx;c.c;n;yyyy!, Reset the Sensor to Sub mode A Command aXS!, Check Current Measurement Unit Command aX*!, aR0! Continuous Measurement. For a list of configuration commands for WMT700, see Vaisala ® WINDCAP Ultrasonic Wind Sensor Series WMT700 User's Guide. -
Page 65: Address Query
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles ?! — 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. -
Page 66: A! - Acknowledge Active
TECHNICAL REFERENCE___________________________________________________________ a! — Acknowledge Active This command ensures that WMT700 is responding to a data recorder or another SDI-12 device. It asks the WMT700 to acknowledge its presence on the SDI-12 bus. where = The single-digit WMT700 address that corresponds to the first character of the address value. -
Page 67: Aab! - Change Address
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles 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 WMT700 time to write the new address to the non-volatile memory. -
Page 68: Ad0! - Send Data
TECHNICAL REFERENCE___________________________________________________________ The response is the following: atttnn<CR><LF> where = The single-digit WMT700 address that corresponds to the first character of the address value. = The period of time, in seconds, after which WMT700 has the measurement ready. = The number of measurement values WMT700 calculates and returns as a response to one or more subsequent aD0! commands. -
Page 69: Ai! - Send Identification
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles aD0! where The single-digit WMT700 address that corresponds to the first character of the address value. The send data command. Terminates the command. For a description of the data messages, see section SDI-12 Data Messages on page 70. -
Page 70: Am! - Start Measurement
TECHNICAL REFERENCE___________________________________________________________ aM! — Start Measurement This command starts 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. where The single-digit WMT700 address that corresponds to the first character of the address value. -
Page 71: Av! - Start Verification
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles 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. -
Page 72: Sdi-12 Data Messages
WS425 A/B SDI-12 Message for C and M Command When you have given the commands aC! or aM! followed by aD0!, the response is the following: a<WS><WD><x><y><s><CR><LF>... -
Page 73: Ws425 A/B Sdi-12 Message For V Command
Chapter 5 ______________________________ Operating WMT700 with WS425 and SDI-12 profiles WS425 A/B SDI-12 Message for V Command When you have given the commands aV! and aD0!, the response is the following: a<watchdog><WS_unit><SDI-mode><spare><CR><LF> where The single-digit WMT700 address that corresponds to the first character of the address value. - Page 74 TECHNICAL REFERENCE___________________________________________________________ Example of the command and response: 1MC! 10025<CR><LF> 1D0! 1+2.7+85.2-0.2-2.7+770.5CAH<CR><LF> 72 __________________________________________________________________ M211097EN-C...
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Page 75: Chapter 6 Troubleshooting
If you do not have the correct mounting kit, contact Vaisala technical support. WMT700 does not work Incorrect cables were Check that you have properly after retrofit used in the retrofit used cables listed in installation. -
Page 76: Technical Support
TECHNICAL REFERENCE___________________________________________________________ Technical Support For technical questions, contact the Vaisala technical support by e-mail at helpdesk@vaisala.com. Provide at least the following supporting information: - Name and model of the product in question - Serial number of the product - Name and location of the installation site - Name and contact information of a technically competent person who can provide further information on the problem. -
Page 77: Table 24 Command Set For All Profiles Supported By Wmt700
User's Guide WMT700 profile duration of the measurement is based on the user-configurable averaging time. In this table, Technical Reference refers to this manual, while User's Guide refers to Vaisala WINDCAP® Ultrasonic Wind Sensor Series WMT700 User's Guide. VAISALA _______________________________________________________________________ 75... - Page 78 Polls data from WMT700. Technical Reference WS425 A/B NMEA Extended profile Measurement mode Requests identification information Technical Reference WS425 A/B ASCII profile for WMT700. Measurement mode Starts measurement based on Technical Reference WS425 A/B ASCII profile averaging time and fetches the data.
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- Page 80 *M211097EN*...
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