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Vaisala WAC155, User Manual

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Vaisala WAC155 User Manual Download Page 24

Figure 13 Wiring WAA151 and WAV151 with WAC155

Wiring with WHP151

The following figure shows WAC155 wiring with Vaisala Mains Power Supply WHP151 with

heating power connected.

WHP151 has jumpers for configuring the power output. Connect pins 2 and 3 of X5
to set the correct operating voltage and remove the jumper of X4 to provide
continuous heating power. If you connect the heating in series to both sensors as
shown in the figure, set the heating power to 38 Vrms 0.5 A by connecting pins 2
and 3 of the X8 jumper.

WAC155 User Guide

M210822EN-E

22

Summary of Contents for WAC155

Page 1: ...M210822EN E User Guide Vaisala Serial Wind Transmitter WAC155...

Page 2: ...inal English versions In ambiguous cases the English versions are applicable not the translations The contents of this document are subject to change without prior notice Local rules and regulations m...

Page 3: ...18 3 5 1 Optional Heating Power 18 3 6 Wiring 21 3 6 1 Wiring WAA151 and WAV151 with WAC155 21 3 6 2 Wiring WAA252 and WAV252 with WAC155 23 3 7 Configuration 26 3 7 1 Configuring WAC155 for WA25 26...

Page 4: ...RESET 45 4 3 17 ERRS 46 5 Maintenance 47 5 1 Periodic Maintenance 47 5 2 Replacing Consumables 47 6 Troubleshooting 48 6 1 Problem Situations 48 6 2 Error Messages 49 7 Technical Data 50 7 1 WAC155 Sp...

Page 5: ...Power Connection with 20 V Power Supply 20 Figure 11 Heating Power Connection for Anemometer Only 20 Figure 12 Heating Power Connection for Wind Vane Only 21 Figure 13 Wiring WAA151 and WAV151 with W...

Page 6: ...5 Default Serial Communication Settings 30 Table 7 Checksum 32 Table 8 Configuration Commands 33 Table 9 Definitions for Command Line Elements 34 Table 10 Problem Situations and Their Remedies 48 Tabl...

Page 7: ...Related Manuals Document Code Name M210293EN Vaisala Anemometer WAA151 User Guide M210294EN Vaisala Wind Vane WAV151 User Guide 1 3 Documentation Conventions Warning alerts you to a serious hazard If...

Page 8: ...Tip gives information for using the product more efficiently Lists tools needed to perform the task Indicates that you need to take some notes during the task WAC155 User Guide M210822EN E 6...

Page 9: ...00 141 However these sensors are not directly mountable to the sensor cross arm The system supplies power to the wind sensors through the transmitter The input operating voltage is 9 31 5 VDC The tra...

Page 10: ...heir intended use However it is possible to damage the product by delivering electrostatic discharges when touching removing or inserting any objects in the equipment housing To avoid delivering high...

Page 11: ...the flow of air Installations on top of high buildings or masts and in sites on open grounds are vulnerable to lightning strikes A nearby lightning strike may induce a high voltage surge not tolerabl...

Page 12: ...oes not remarkably disturb wind measurement at a minimum distance of 10 h There must be at least 150 m 500 ft open area in all directions from the mast Minimum distance between the mast and obstacles...

Page 13: ...ding The recommended minimum length h for the mast that is installed on the top of a building is 1 5 times the height of the building H When the diagonal W is less than the height H the minimum length...

Page 14: ...Vaisala Wind Vane 3 Transmitter contains the component board 4 Sensor cable gland 5 Cross arm 2 Select the RS 485 termination See Service Connector and Jumper Settings page 13 If the data line is sho...

Page 15: ...o Cross Arm page 28 and the sensor manuals 9 Before erecting the mast align the cross arm See Alignment page 27 In tower installations you may have to mount and align the sensors on existing structure...

Page 16: ...D 3 Grounding screw In marine applications you must remove the grounding screw 3 4 Connections WAC155 provides the line cable entry through a gland for a cable with a diameter from 7 to 10 mm For bett...

Page 17: ...or X1 Pinout Pin Number Signal Description 1 F Frequency input from sensor 2 F Supply voltage output to sensor 3 GND Sensor ground 4 HT1 Heating supply through control switch from X2 5 HTC Heating com...

Page 18: ...G2 Gray code input from sensor bit 2 9 G1 Gray code input from sensor bit 1 10 G0 Gray code input from sensor bit 0 11 AIP Reserved for analog vane 3 4 1 Cable Connections The transmitter connects the...

Page 19: ...rs in the same bus auto transmission cannot be enabled and data must be polled from one sensor at a time using NMEA query If you use only one transmitter you can configure it to automatically transmit...

Page 20: ...is 120 mW with WA15 series sensors and powersave mode activated The power line is protected against incorrect polarity and overvoltage transients caused by nearby lightning strikes Transient protecti...

Page 21: ...When connecting DC heating power make sure you have the correct polarity of the X2 connector pins 1 and 2 HT1 and HT2 AC heating power wires can be connected either way round You can use the 40 V pow...

Page 22: ...ne sensor anemometer WAA151 or wind vane WAV151 you must use a 20 V power supply and replace the missing sensor heating element with a jumper wire In this case only 0 5 A is typically consumed Figure...

Page 23: ...WAC155 on a weather station see the weather station documentation for installation instructions The following wiring diagrams show how to wire the WA15 sensors WAA151 and WAV151 with WAC155 If heating...

Page 24: ...d WHP151 has jumpers for configuring the power output Connect pins 2 and 3 of X5 to set the correct operating voltage and remove the jumper of X4 to provide continuous heating power If you connect the...

Page 25: ...WAA252 and WAV252 with WAC155 The following wiring diagrams show how to wire the WA25 sensors with WAC155 No external operating voltage Low current operating power needed If you have WA25 you configur...

Page 26: ...pply WHP25 WAA252 supplies WAC155 with the operating power 12 Vout to X2 3 No external operating voltage is applied to connector X2 The expansion connector required for high current wiring is included...

Page 27: ...also when heating power is not available The expansion connector required for high current wiring is included in the WAA252 accessories WAA252 accessories include the expansion connector required for...

Page 28: ...ommands on a single line and terminate them with a line feed lf or a carriage return cr character Separate parameters and values by a space 1 Open a serial connection to WAC155 The default settings ar...

Page 29: ...w on the cover of the junction box must point to the North Figure 17 Mounting WAC155 on Top of Pole Mast 3 8 1 Alignment After mounting the WAC155 transmitter to the mast make sure that the WAV151 end...

Page 30: ...orth and magnetic North 3 9 Mounting Wind Sensors to Cross Arm You can mount the sensors only one way to the cross arm flanges This ensures the correct alignment when replacing or reassembling the win...

Page 31: ...malfunction an erroneous installation or configuration or a combination of these To diagnose the problem use the service command ERRS over the service connection If WAC155 signal cable is connected t...

Page 32: ...o transmit mode or you can get the data as a response to an MWV query The data is provided in standard NMEA MWV wind speed and angle messages A service interface is available at pin header X5 of the b...

Page 33: ...he checksum CS Two character checksum for the message The comma is used as a separator between the fields Here are some examples of MWV messages WIMWV 39 R 1 3 M A 06 WIMWV 61 R 1 0 M A 08 WIMWV 39 R...

Page 34: ...MWV message containing the wind data An example of a query with device ID A WIPAQ 72 Example of response PAMWV 50 R 0 0 M A 04 The following table lists checksums and polling strings for queries with...

Page 35: ...e connection remains open When you change parameter values you must reset with the RESET command or by powering up to get the new parameters into use The parameter setting commands are not case sensit...

Page 36: ...isplays the current error status INIE Resets the transmitter to factory default settings RESET Resets the transmitter to new settings The following table lists the definitions for various command line...

Page 37: ...e dollar sign OPEN Use this command only when you have a single transmitter on the bus The service connection remains open until it is closed with the CLOSE command or the defined service timeout expi...

Page 38: ...ay contain up to 5 characters including A Z a z and 0 9 default no ID Example setdev id A1 ID A1 4 3 4 SETSPD The SETSPD command configures the wind speed averaging time SETSPD average value cr value...

Page 39: ...r can support four different messages at a time Each message has its own settings for the message type and transmit interval The supported message types are NONE no message MWV auto transmission of st...

Page 40: ...0 10 0 default 0 101 offset Anemometer transfer function offset parameter Range 10 0 10 0 default 0 348 powersave Defines whether sensor power is pulsed or provided continuously Pulsing saves power a...

Page 41: ...SETCOM The SETCOM command configures the data communication parameters SETCOM portnumber baudrate databits parity stopbits txddelay value cr In normal use portnumber must always be omitted The port n...

Page 42: ...THEA active tos thys value cr active Enables the wind sensor heating function Possible values 0 Disabled default 1 Enabled 2 Forced ON tos Control limit for heating in Celsius degrees Range 55 125 def...

Page 43: ...than 0 the sensors are cross checked for movement If one sensor moves and the other does not for a certain period of time the motionless sensor is considered stuck SETALR active dir spd calm dirlimit...

Page 44: ...Below the limit the sensor is considered absent and MWV direction value is given as null field Setting dirvoltlimit 0 deactivates the function Default value 0 2 value Value for the option If you have...

Page 45: ...igured time interval the device closes the service connection and returns to normal operational state Zero value disables the auto close function which means that the service connection never closes u...

Page 46: ...FFSET 0 32800 POWERSAVE 1 ALLOWEDSPDCHANGE 10 0 MAXINVALIDSPDCOUNT 2 THIES 0 CALIBMIN 540 CALIBMAX 2640 SETCOM BAUDRATE 9600 DATABITS 8 PARITY NONE STOPBITS 1 TXDDELAY 30 SETHEA ACTIVE 0 TOS 4 00 THYS...

Page 47: ...the current settings with GETSET and save the output After using this command you must reset the transmitter with the RESET command This is to ensure that the default values are correctly validated T...

Page 48: ...umber formed by combining the hexadecimal values of the desired errors By default the mask is 1010 which means that the NMEA data is invalid only if both wind sensors are missing or broken or stuck pr...

Page 49: ...sure that the component board is not corroded A probable cause for corrosion is that the box cover or cable gland have not been tightened properly 5 2 Replacing Consumables Before replacing the compo...

Page 50: ...he heating power supply has a power failure Make sure that the power supply is connected and operational MWV message returns a null field for wind speed or direction reading Parameter spdvoltlimit or...

Page 51: ...rational sensor 4 0010 Both sensors missing or broken Wind speed and direction sensors are missing or broken 5 0020 Internal error Reserved for future use 6 0040 Erroneous reading from temperature sen...

Page 52: ...d Table 13 Inputs and Outputs Property Description Value Input operating voltage 9 31 5 V Input operating current incl both sensors Power save enabled 7 mA typically at 24 V Power save disabled 37 mA...

Page 53: ...ocol NMEA 0183 MWV and MWV Query 1 Adjustable rate 300 19200 7 8 O E N 1 2 Table 14 Operating Environment Property Description Value Operating temperature 55 60 C 67 140 F Storage temperature 60 70 C...

Page 54: ...or WAV151 252 0 8 m 31 5 in open lead on one end 10 wires connector 230119 on other end ZZ45037 Special length sensor cable for WAA151 252 open lead on one end 6 wires connector 230118 on other end ZZ...

Page 55: ...warranty information 2 Contact Vaisala technical support and request a Return Material Authorization RMA and shipping instructions Always request the RMA before returning any faulty material Provide...

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Page 58: ...www vaisala com...

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