MAINTENANCE MANUAL
Vaisala AviMet®
Low-Level Windshear Alert System
M210886EN-G
Page 1: ...MAINTENANCE MANUAL Vaisala AviMet Low Level Windshear Alert System M210886EN G...
Page 2: ...ions of multilingual documents are based on the original English versions In ambiguous cases the English versions are applicable not the translations The contents of this manual are subject to change...
Page 3: ...tory Compliances 15 Trademarks 16 Technical Support 16 CHAPTER 2 PRODUCT OVERVIEW 17 System Introduction 17 AviMet Product Platform 18 Single CDU System with Workstations 19 Single CDU System without...
Page 4: ...cesses 33 Meteorological Processes 34 Data Storing Processes 34 External System Processes 34 ROA Objects 35 System Objects 35 Sensor Objects 36 Meteorological Objects 36 Alarm Objects 36 External Syst...
Page 5: ...isplaying Whole Image 75 Moving the Image Panning 75 Viewing Device Details in Overview Panel 75 Viewing Events from Selected Device in Overview Panel 76 Monitoring and Acknowledging Events 76 Viewing...
Page 6: ...o Devices 101 Opening and Closing Connection Directly to Field Device 101 Opening and Closing Connection via a Data Collector 102 Sending Commands to Devices 102 Saving Field Device Messages Logging 1...
Page 7: ...ck 123 Playing Data 123 Pausing Stopping Playback 123 Sliding to Specific Point in Time 123 Troubleshooting Playback 124 CHAPTER 10 REMOTE MONITORING 125 Introduction to Remote Monitoring Software 125...
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Page 9: ...ser Example All Objects 56 Figure 14 Diagnostics Selecting Server for Object Details 57 Figure 15 Diagnostics Object Details Information 58 Figure 16 Diagnostics Object Details Panel in Object Browser...
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Page 11: ...esses Columns 53 Table 21 List of Processes Statuses 54 Table 22 Applications Window Columns 55 Table 23 List of Applications Statuses 55 Table 24 Object Browser Columns 56 Table 25 Object Browser Sta...
Page 12: ...olumns 107 Table 50 ASCII Log View Status Codes 108 Table 51 ASCII Log View LLWAS Reports Screen Parameters 108 Table 52 ASCII Log View LLWAS Reports Processing Status Codes 109 Table 53 ASCII Log Vie...
Page 13: ...e and the general operating principle of the system Contents of This Manual This manual consists of the following chapters Chapter 1 General Information This chapter describes the structure of this ma...
Page 14: ...Remote Monitoring This chapter contains instructions for enabling and disabling the remote monitoring software Appendix A Glossary This glossary contains descriptions and definitions for unique terms...
Page 15: ...6 0 SP3 onwards M210886EN D Applicable for Vaisala AviMet Low Level Windshear Alert System from software version 6 1 onwards M210886EN E Applicable for Vaisala AviMet Low Level Windshear Alert System...
Page 16: ...ety considerations before starting any maintenance operations NOTE For information concerning the use of data collectors sensors or other installed hardware refer to the appropriate device manuals WAR...
Page 17: ...a conductive part of the equipment chassis with your other hand before touching the boards Always hold the boards by the edges and avoid touching the component contacts Regulatory Compliances The AviM...
Page 18: ...10886EN G Trademarks AviMet is a registered trademark of Vaisala Oyj Microsoft Windows Windows Server 2008 Windows 7 Windows XP and Windows Vista are registered trademarks of Microsoft Corporation in...
Page 19: ...uters CDUs and one or several workstations The sensors are located along the runways at specific measurement sites and communicate with the central data units CDUs which distribute the data to the wor...
Page 20: ...001 Figure 1 A Typical Vaisala AviMet System AviMet Product Platform Vaisala AviMet Low Level Windshear Alert System LLWAS is part of the AviMet technology platform Other major systems based on the p...
Page 21: ...ransparently to users and without any disruption to system performance A CDU may be used as an end user workstation too Single CDU System with Workstations A single CDU system with workstations contai...
Page 22: ...U without delay if the active CDU reports that a system program ROASERVER EXE is missing In such situations the system automatically switches the passive CDU as the active CDU and data processing can...
Page 23: ...hus your system might differ slightly from what is presented in this manual Use of Anti Virus Software AviMet software has been designed to be run on closed and secured networks Although typically the...
Page 24: ...information refer to the appropriate AviMet system User s Guide The AviMet LLWAS software focuses on the following aspects of airport weather observation Displaying wind data Weather View and Graphic...
Page 25: ...l AviMet system operation Depending on system configuration also observers can use it for viewing relevant system events System Maintenance Software Applications The system maintenance software applic...
Page 26: ...rom a specific period of time in the past as it was displayed on the screen The feature can be integrated with an AviMet application typically with a Weather View screen Workstation Types The Vaisala...
Page 27: ...aintenance applications in the RCM workstation For information on the WV OWS and FWS workstations and end user applications see the appropriate AviMet system User s Guide For an example of typical sof...
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Page 29: ...ents Vaisala AviMet systems are configured individually for each airport Table 5 on page 27 lists the essential components included in Vaisala AviMet LLWAS systems and some of the optional components...
Page 30: ...s answer immediately In the cascade polling method only one poll request is sent and the sensor sites answer with given time intervals In the forward polling method a poll request and the response can...
Page 31: ...stem on page 20 UPS The Uninterrupted Power Supply UPS is crucial for ensuring high system availability Customers can also use their own arrangements for ensuring uninterrupted power supply LAN The co...
Page 32: ...ction as an optional feature The standard data output format is specified in a separate METDATA specification document Vaisala does not provide the interface software for the external system Digital D...
Page 33: ...ese processes start automatically when the CDU is started and require no logging in In duplicated systems the processes are duplicated there is one process on each CDU ROA processes receive data from...
Page 34: ...erfaces The following sections give examples of the components and their function in the system For more information on the data flow between ROA components see section Data Flow in ROA Architecture o...
Page 35: ...amework for other processes 2 Keeps record of ROA object names 3 Enables ROA processes to access ROA objects delivers ROA objects to AviMet applications Remote Object Events This is an Event process B...
Page 36: ...receive data from external systems and deliver data to them For examples see the following table Table 7 Meteorological Processes Process Name Function Wind Service Calculates wind values LLWAS Servic...
Page 37: ...r objects Meteorological objects Alarm objects External system objects A regular AviMet system can include 50 to 400 objects depending on the size and configuration of the system The objects described...
Page 38: ...rocess which creates the ROAALARM object For examples see the following table Table 11 Sensor Objects Object name Function WIND_SENSOR_SITE1 Contains the data measured by the wind sensor LLWAS_WIND_SE...
Page 39: ...t function or uses objects created by other processes The principal AviMet LLWAS functions can be divided into the following Sensor data processing Alarm data processing History data processing The fo...
Page 40: ...cipal service for sensor data processing is the SensorIO process It receives all data from the sensors and creates separate objects for the raw data of each sensor The object name indicates the measur...
Page 41: ...ion VAISALA_______________________________________________________________________ 39 1111 034 Figure 6 ROA Architecture Meteorological Data NOTE Sensor data processing is involved in all functions th...
Page 42: ...other processes Most processes can create their own alarm objects in error situations For instance the SensorIO process creates an alarm object when it does not receive data from a specific sensor Met...
Page 43: ...____________________________________ 41 1111 036 Figure 7 ROA Architecture Alarm Data DATA COLLECTOR optional SENSORIO ROAPERS WIND WIND_ SENSOR_SITE2 WINDAVE_SITE2 WIND_ SENSOR_SITE1 WINDAVE_SITE1 RO...
Page 44: ...agnostics application Meteorological values are basically processed sensor data This phase was illustrated in section Sensor Data Processing on page 38 and it is not repeated in the following chart Th...
Page 45: ...____________________________________________________________________ 43 0109 025 Figure 8 ROA Architecture History Data DATA COLLECTOR SENSORIO ASCIIDB LLWAS_WIND_DATA_06 HIS WIND_I AlarmA MESSAGE_ SE...
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Page 47: ...nstallation When you log in the AviMet system will start automatically Starting and Exiting Applications The Diagnostics application typically opens automatically when you log in with the RCMUSER user...
Page 48: ...orresponding chapters in this manual Diagnostics Application The main tool for maintenance personnel is the Diagnostics application see Chapter 5 Diagnostics on page 49 The application displays system...
Page 49: ...ifications and alarms were generated during the day For instance if there is a slight technical problem that has recurred frequently but passed without your intervention you might decide to perform a...
Page 50: ...d that paper feeding is working correctly If the printer is offline for a period of time or there is a paper jam that goes undetected for several hours print jobs in queue may fill the print buffer of...
Page 51: ...CDU It displays system events It displays the status of all AviMet processes applications and ROA objects It provides access to other AviMet maintenance applications Optionally it contains a graphical...
Page 52: ...tch over mode selection buttons 3 Events panel 4 Buttons for acknowledging events and stopping sound alarm 5 Overview panel Optional 6 Buttons for zooming Overview Optional 7 Tools panel Access to oth...
Page 53: ...status of the CDU s in the AviMet system In duplicated systems there is a status row for each CDU in single CDU system there is only one status row The icon in the Heartbeat column is normally green R...
Page 54: ...U is active In this mode the user can temporarily switch the CDU manually but the system will override the selection when needed Manual User selects which CDU is active When this mode is selected and...
Page 55: ...of Processes Example The lists provide basic information on the processes see the table below Table 19 Server Status Status Description Starting The CDU has just been started up and it is waiting unti...
Page 56: ...clicking the number in the All applications column for the corresponding CDU 1204 060 Figure 12 Diagnostics List of Applications Example Port Port used for communication by the process Version Softwa...
Page 57: ...r the corresponding CDU A list of missing objects on the CDU is displayed when you click the number in the Missing Objects column for the corresponding CDU Table 22 Applications Window Columns Columns...
Page 58: ...Table 25 on page 56 Address IP address of the CDU where the object is running Port Port used for communication by the object Version Software version Table 25 Object Browser Statuses Status Descripti...
Page 59: ...e Server A Server B the object details are displayed in the Object details panel 1204 062 Figure 14 Diagnostics Selecting Server for Object Details Table 26 Object Browser File Menu Options Command De...
Page 60: ...t details panels display the lists published by the ROA objects and the data items contained in the lists The data items can contain information about for example sensor data serial ports and system s...
Page 61: ...______________________ 59 1204 066 Figure 16 Diagnostics Object Details Panel in Object Browser You can open Object details panels for several objects and view the panels in tabbed tiled or cascaded f...
Page 62: ...there are problems with the sensors The statuses correspond to the statuses in the end user application Weather View See Table 30 on page 60 Value Shows the data item value for example a measurement I...
Page 63: ...he Events panel For instructions on their use see section Operating Diagnostics Application on page 67 Undefined When data has been measured or calculated but the numerical value cannot be determined...
Page 64: ...eather Technical TECH Shows preconfigured technical messages for example about a sensor problem or a communication problem between a sensor and the CDU All Shows all event messages configured in the s...
Page 65: ...Element Name Description Time Shows the time when the event was generated by the system or the acknowledgement time of the event Status The status of the event message refer to Table 32 on page 62 Pri...
Page 66: ...4 Figure 19 Diagnostics Overview Panel 1301 012 Figure 20 Diagnostics Overview Panel with Device Details Panel NOTE The figures and examples in this chapter display situations that have been artificia...
Page 67: ...e symbol is surrounded with a blue frame The device status is Degraded The device symbol has orange yellow background and a warning triangle symbol The device with Degraded status has been selected an...
Page 68: ...d information of the selected device depending on the type of the device For examples see Table 35 on page 66 Table 35 Device Details Panel Columns Buttons Name Description Name ROA list name for exam...
Page 69: ...l events especially alarms and warnings If your system includes the optional sound alarm and you minimize the Diagnostics application make sure that the volume is ON so that you will be able to hear t...
Page 70: ...itch over see Table 18 on page 52 and Table 19 on page 53 You can continue troubleshooting the problem by doing the following Click the numbers in the columns for the CDU for example in the Missing pr...
Page 71: ...e System Status panel click the Switch CDU button 2 A message informs you of the change that you are about to make Confirm by clicking the OK button Depending on the current switch over mode note the...
Page 72: ...l 2 Check the text in the Switchover mode column for the corresponding CDU If the text is Manual the system is already in manual switch over mode and you do not need to change the mode If the text is...
Page 73: ...enance applications Also Windows Event Viewer may be useful For introduction on ROA processes and applications see section ROA Processes on page 32 For instructions on monitoring ROA objects see secti...
Page 74: ...ontaining that particular string 5 To show more details about an object do one of the following to open the Object Details panel Click the object name Right click the object name and select from which...
Page 75: ...If the status is not Normal do one of the following to troubleshoot the problem a If the status is Missing check the Events panel in the Diagnostics main view If there is no DATA MISSING message the s...
Page 76: ...nes connecting the devices and the CDU or a data collector The color of the icon gives you the following information If the device symbol background or frame color is red there is an alarm related to...
Page 77: ...the mouse button pressed down and drag until you can see the desired part of the map Viewing Device Details in Overview Panel If configured in your system the Overview panel provides a quick glance to...
Page 78: ...typically appear in several tabs for example in accordance with event type Typically there is also a tab that shows all events When you have read an event message acknowledge it to inform the system t...
Page 79: ...ith Messages Related to CDU s on page 82 Operational events Dealing with Operational Event Messages OPER on page 85 Message notifications Dealing with Message Notifications MESG on page 86 Viewing Sto...
Page 80: ...rver notices and acknowledges the event at 09 43 Red status column in Diagnostics 09 43 LLWAS_WIND_SENSOR DATA MISSING Status ACKNOWLEDGED ALARM 09 43 LLWAS WIND SENSOR DATA MISSING Status 1 Maintenan...
Page 81: ...TORA_INFO and ROAMONITORB_INFO provide the name of the first service that is not in the correct state Failed to send to external interface s OBJECT External Interface Service failed to send the messag...
Page 82: ...GE AT LLWAS SITE X The solar battery voltage is low SOLAR BATTERY A B VOLTAGE MEASUREMENT FAILURE AT LLWAS SITE X The voltage from solar battery cannot be detected Check the cables and refer to the so...
Page 83: ...default limit for the warning is 100 MB The system continues to save incoming data in the history files This is a preliminary warning You should make more disk space available in the history folder by...
Page 84: ...sage Explanation ABNORMAL SERVER STATUS MISSING ROA SERVER OR NETWORK PROBLEM DETECTED BY SERVER X One of the following has occurred 1 The status of one or both CDUs is Starting Manual Active or Manua...
Page 85: ...ote Object Server service is not running in the CDU the Server status of the CDU is Missing The server status of the CDU in the System Status panel is Starting Manual Active or Manual Standby In dupli...
Page 86: ...ES DETECTED BY SERVER X This message indicates that there is an incorrect number of ROA processes in the system The cause of the problem can be one of the following A ROA process is not running There...
Page 87: ...2 If the process is not missing the Remote Object Monitor process has detected an error in the CDU and has made an automatic switch over To find out more about the reason for example an obligatory pro...
Page 88: ...tation NOTE The troubleshooting instructions in this manual are limited to troubleshooting with the system maintenance software If the Diagnostics application reveals a physical sensor problem that re...
Page 89: ...med out there is a network problem This can indicate a physical problem for example disconnected or defective cables or a network configuration problem Find the cause for the network problem with the...
Page 90: ...lowing Check the System Status panel in the Diagnostics application to make sure that the situation is normal Check from the System Status panel in the Diagnostics application to check that all object...
Page 91: ...ems Section Events Panel on page 61 describes the generated events These events can be transmitted in ASCII format to the preconfigured location Possible transmission methods are for example serial li...
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Page 93: ...minal connection to the sensor you can monitor the messages it sends and send commands to check and modify the device status You can use IO Terminal to Open terminal connections to sensors and other f...
Page 94: ...to devices and viewing communication settings Terminal panel for viewing and sending messages to devices Menu bar for exiting and logging data Figure 22 on page 92 below shows the IO Terminal user int...
Page 95: ...scribes the Connection Control panel elements Table 41 IO Terminal Connection Control Panel Elements Element Description Status Connection status Connected or Not Connected Name Name of the device for...
Page 96: ...sing the active server you interrupt the flow of automatic weather data from sensors to the end user applications See section Field Device Connection Options on page 98 Click the Disconnect button to...
Page 97: ...nal panel the ASCII characters needed in commands can be easily produced See Table 43 on page 95 Table 43 IO Terminal Terminal Panel Buttons Button Description Prints the Terminal panel content Clears...
Page 98: ...binary values as symbols VT100 Emulates a VT100 terminal Local echo Displays the commands you type in the Terminal panel on the screen In this case the commands may be shown on the screen twice once b...
Page 99: ...the status is connected or not connected If connected also the server and port are listed Operating IO Terminal Starting IO Terminal To open the IO Terminal application click the IO Terminal button i...
Page 100: ...flow further to AviMet system The following sections describe how you should take these things into account when connecting to a sensor Data Line versus Maintenance Line Some systems include two commu...
Page 101: ...either auto send or polling mode In polling mode the sensor sends messages only when the CDU requests data with a specific polling string Thus when you make a direct connection to the sensors you hav...
Page 102: ...e you have to type and send the polling string to see sensor messages What is the polling string of the sensor Sensor manual Enter the polling string after you have opened the sensor connection and th...
Page 103: ...nance line select it for connecting 2 In duplicated systems select the server from the drop down list next to the Connect button It is recommended that you connect to the hot standby CDU in order to a...
Page 104: ...e data collector 9 Close the data collector command mode 10 Close the connection from the CDU to the data collector Sending Commands to Devices Once you have opened the connection to a field device yo...
Page 105: ...yping the appropriate command 6 Close the connection to the field device by clicking the Disconnect button in the Connection control panel Saving Field Device Messages Logging For troubleshooting purp...
Page 106: ...w the non printable characters binary values as symbols Select the VT100 Mode if you wish the application to emulate a VT100 terminal Select Local Echo to display the commands you type in the Terminal...
Page 107: ...storage limit has been reached The content of history files are adapted according to system functionality and requirements Typically the history files contain sensor data meteorological calculation r...
Page 108: ...main window See Figure 26 on page 107 and Figure 27 on page 110 The number and type of parameters that the system stores in history files depends on the system configuration Some examples of typical f...
Page 109: ...lumn names are explained in Table 49 on page 107 Status codes provide you with information on two things what the sensor mode Backup and Manual and data status Old Invalid Missing Undefined were at st...
Page 110: ...the original sensor O Old Data has not been updated for a certain timeout period due to sensor communication problems but it is still considered to be valid I Invalid Data is invalid or out of range a...
Page 111: ...microburst alert 77 00 Table 52 ASCII Log View LLWAS Reports Processing Status Codes Status Code Data Status at Storage Time NORMAL The LLWAS algorithm has all data available and is functioning normal...
Page 112: ...guration The typical events screen column parameters are explained in Table 54 on page 110 Table 54 ASCII Log View Events Screen Columns Column Description Example Time The date and time of the event...
Page 113: ...p right corner of the application Table 55 ASCII Log View Toolbar Buttons Button Description Arranges the opened history files in tab format Arranges the opened history files in tile format You can vi...
Page 114: ...les are listed in Table 56 on page 112 To open and view history files do the following 1 Start the ASCII Log View application by clicking the ASCII Log View button in the Windows taskbar or the Tools...
Page 115: ...the file by selecting the Close icon at the tab header or the tile corner 11 Exit ASCII Log View by clicking the Close button at the top right corner of the application Viewing Several Files at the Sa...
Page 116: ...refresh the data manually or automatically with the changed data in the file To refresh the data immediately do the following 1 Click the Refresh button in the toolbar 2 The screen is immediately upda...
Page 117: ...D Avimet HISTORY The history files might be located on another location in the CDU or on a network drive Check the location of the history files from system maintenance and check that the drive has b...
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Page 119: ...g and enabling sensors with the Sensor Selector application Introduction to Sensor Selector With Sensor Selector you can disable a faulty sensor or a sensor that is being maintained Data from the disa...
Page 120: ...and its status is Online Disabled Data from a disabled sensor is not used in the system and its status is Offline State The current status of data Manual Automatic Type Type Sensor or interface Model...
Page 121: ...at you want to disable The list for selecting Disabled or Enabled is displayed 2 Select Disabled This will change its status to Offline and the data from it will not be published for other system proc...
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Page 123: ...View screen During playback you will see exactly the same sequence of data updates on the screen that were originally displayed on the screen Any period of time up to 1 hour can be played back from t...
Page 124: ...ns for the start time and end time the Play Pause Stop buttons a status icon the information pane and the slider tool 1012 221 Figure 31 Playback Controls The status icon colors are explained in Table...
Page 125: ...om the calendar that opens 3 Click the Play button 4 Ongoing playback is indicated with a green status icon If the icon turns red refer to section Troubleshooting Playback on page 124 Pausing Stopping...
Page 126: ...ted to playback see Table 60 on page 124 Table 60 Error States Error Text Explanation Invalid playback period You have selected a playback time longer than 1 hour or the end time is before the start t...
Page 127: ...l AviMet systems However by default the remote monitoring software is disabled With a service agreement the remote monitoring software is activated during system delivery and configured to Vaisala Ser...
Page 128: ...are to work Disabling Remote Monitoring Software To disable the remote monitoring software you need to stop and unregister two Windows services in the servers CDUs that are monitored Do the following...
Page 129: ...services are running Make sure that the service vaisala com address has been resolved as tcp ip address For example shell command tracert service vaisala com should be able to resolve the address thou...
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Page 131: ...the currently active CDU has a malfunction The passive CDU hot standby takes over and becomes the active CDU alarm message A Diagnostics system event message with ALARM or WARNING status A sign of se...
Page 132: ...ata status displayed in the LLWAS screen in the Weather View application The status indicates that at least one wind measurement is missing but the LLWAS data is still fairly accurate See also normal...
Page 133: ...developed by NCAR for the U S Federal Aviation Administration FAA LLWAS processing status The status text displayed in the LLWAS screen in the Weather View application Indicates the status of sensor...
Page 134: ...a status A data status displayed in the weather data fields in the Weather View application with slashes in the data fields Indicates that there is no data coming from the sensor due to sensor or syst...
Page 135: ...the system to create new objects or displayed in end user applications ROA process A component of the ROA architecture A system service that creates and manages ROA objects service mode See command m...
Page 136: ...r A weather event involving abrupt changes in wind speed and or direction over a short distance See also windshear alert and windshear conditions windshear alert An alert generated in the Weather View...
Page 137: ...rms and conditions of such licenses in connection with your use and distribution of the OSS in this product Applicable OSS licenses are included in the product itself or provided to you on any other a...
Page 138: ...ements revisions or changes collectively Modifications to the Software are also included in the definition of Software and are covered by this License You may not use IBM Program s in any other conjun...
Page 139: ...Software or in the event of other termination you shall immediately erase the Software and any copies thereof from all computers and devices on which the Software has been installed and immediately c...
Page 140: ...ED SOFTWARE AND OR SOFTWARE COMPONENTS INCLUDED IN THE SOFTWARE LICENSOR SHALL NOT BE HELD LIABLE FOR ANY SUCH CLAIMS OR ACTIONS AND THE RISK OF HARM FROM THE FOREGOING RESTS ENTIRELY WITH YOU FURTHER...
Page 141: ...his Contract between Vaisala and the customer which cannot be solved by amicable means shall be submitted to arbitration Any dispute controversy or claim arising out of or relating to this Contract or...
Page 142: ...and shall be included on any documents media printouts visualizations or on any other electronic or tangible expressions associated with related to or derived from the Software You acknowledge that L...
Page 143: ...CDU 69 changing switch over mode 70 components 28 hardware 28 passive 20 software 29 versions 19 Central Data Unit CDU 28 Checking Event messages 47 Checking history data 47 Checking log printer 48 C...
Page 144: ...ription 27 FWS Forecaster workstation 24 G Getting help 16 Glossary of terms 129 H Helpdesk 16 History data processing in ROA 42 History files 105 History files problems 81 I ICAO recommendations 15 I...
Page 145: ...e 33 40 Remote Object Persistent service 33 Remote Object Server service 33 Restarting process service 87 Restarting system 88 ROA architecture alarm data processing 40 history data processing 42 intr...
Page 146: ...TAR template not running 84 missing data after system restart 88 missing data in Weather View 80 network connection 83 objects 71 Operational events OPER 85 Playback 124 process service not running 87...
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Page 148: ...www vaisala com M210886EN...
