Home

AWOS - AllWeatherInc

1. Figure 13 Setdate and time menu Afterthe date information has been configured set the time to the current Zulu time After the date and time have been configured click on the Time Set but ton to update the system Click on Exit to return to the Maintenance Menu Time Offset Through the Set Date and Time option explained earli er the AWOS clock was set to Zulu time Certain inter nal functions of the AWOS software are based on local time however This is set through the Set Local Time Offset option When you click this button a second screen will appear showing the current time seton the CDP clock this should be Zulu time and the local time offset Each time you click the Change Hours button the time offset is incremented by one hour Continue clicking this button until the number of hours shown 15 the difference in hours between local time at the CDP location and Zulu time When this is correct the displayed time at the top of this screen should agree with the local time Voice Status Display e Clickon the Voice Status Display button to view voice processing status User s Manual SET DATE AND TIME MENU Display System Parameters DATE MAY 23 1954 TIME 13 01 29 i Click on Display System Parameters button to CHANGE CHANGE CHANGE view how the system components are configured A MONTH DAY YEAR screen like the one shown in Fi
2. anesthe 5 COMING SKY 5 WISI 5 Variable M 5 Iainfall ACCUMUOTION 5 Present Weather Optional 5 Freezing Rain Detection RENTE TC vm 6 Thunderstorm Detection Model 6000 6 Thunderstorm Detection NADIN Interface 6 Averaging Table 7 E CTO Tm T 8 Installing The System 8 Installing Model 20909 Peripheral Interface 9 Peripheral Interface Connections 9 NADIN Interface OPTION nnn 9 NADIN Interface Board Installation 9 NADIN Interface Connection and Checkout 10 DT 10 ARING INTEO GEren eder r edd le tuc 11 AUTOMATED WEATHER OBSERVING SYSTEM User s Manual CONTENTS UPS anae 11 Mod ls 209 13 D M 11 KVM Extender Installation seems 11 EDI err rte tar mre eer 13 Remote Display Installation 14 Remote Display gt 16 Remote Display CheseKOLIT i aia in ota
3. 33 Voices 5 CN m 34 Cancelling Voice oom 34 VOICE Output Control bate devel cH Acad ac 34 Normal cond uocis a E Dre p nU FER ER HE DER an a aan 34 and Manual e BSS T 34 34 Setting Radio and Telephone 35 Pinter 35 Line Printer Output 35 User s Manual AUTOMATED WEATHER OBSERVING SYSTEM 5 Maintenance PH 36 Display 36 Sef Dare And TINE 36 Local MMe 44 44 Display System ia a AR 44 Turning On onc T 44 Maintenance TWO Mem 45 Display Seral INTO Eae RE 45 Bleed Mer t 45 Display Mamoy 45 Pinter IES osise AA E E EEE 46 Diagnostic REPON Pre 46 Golor Setup Menu T T TT 46 M 47 Display Archive Disk ctia bns Enn dou 47 Set Archive Interval 47 Archive 48 Retrieving Lock
4. Figure 20 Color setup menu AUTOMATED WEATHER OBSERVING SYSTEM Archive Menu The Archive Menu Figure 21 allows the user ARCHIVE M to view display print and lock automatically ARCHIVE INTERVAL 5 stored archive information The parameters includ ed in each archive record are airport identifica tion date time sky condition temperature and ind diet DISPLAY SET ARCHIVE dew point wind direction and wind speed altim ARCHIVE ARCHIUE eter setting density altitude precipitation and sta DISK SPACE INTERVAL RETRIEVAL tus acode showing any system errors detected by internal tests u UTES E IN Toaccess archive data click on the Display Archive Menu button in the Control Menu and the Archive Menu will appear Figure 21 Archive menu Display Archive Disk Space SetArchive Interval e To check current available disk space for archiving set rate at which the archive will store data click on the Display Archive Disk Space button The click on the Set Archive Interval button All Weather information screen displayed will indicate the total Inc recommends that data be stored in the archive amount of bytes on disk the bytes available for use every five minutes Each time the Set Archive Inter and the percentage of free archive disk space val button is clicked the Archive Interval show
5. e After the choices have been made click on the Begin Archive Retrieval button to enable the archive re trieval functions One hour of data will be displayed on the output device s If the entire file was selected Select hour entire file then all of the day s data will be displayed All Weather Inc recommends printing the entire file rather than viewing it on the display To return to the Archive Menu screen click the Exit but ton To return to the Control Menu click the Exit button on the Archive Menu To return to the main screen Click the Exit button on the Control Menu User s Manual OUTPUT TO DISPLAY START DATE JAN 1 1993 HOUR 0 SELECT RETRIEVE SELECT OUTPUT LOCKED RETRIEVAL DEVICE ARCHIVE DATA YEAR SELECT SELECT SELECT RETRIEVAL RETRIEVAL RETRIEVAL MONTH DAY HOUR BEGIN HELP ARCH VE EXIT RETRIEVAL Figure 22 Archive data retrieval menu Retrieving Locked Data When an archive data file has been locked using the Lock Archive Data command see below the locked data will always consist of a single 24 hour period of data It is not indexed by date or time but is the most recently locked day s worth of data To retrieve this data to the selected output device click on Retrieve Locked Ar chive Data The locked data will be output to the select ed device Locking Archive Data The Archive Menu allows a single day
6. followed by return and verify that the modem returns 5 Set the duration of delay to 1 second by typ ing ATS8 1 followed by return The modem should respond with OK 6 Dialthephone numberby entering the following com mand ATDT number 99909 8 Inthe above example number is the AWOS voice telephone number with all required digits to get an outside line access long distance dial the area code dial the number The command is followed by a carriage return The AWOS must see a within two seconds of answering the telephone If it takes long to connect to the AWOS insert more delays in the command string by adding commas User s Manual REMOTE MAINTENANCE MONITORING 7 Once the AWOS recognizes the it will wait ap proximately 15 seconds and then connectto the call ing modem Do not type on the keyboard while the connection processing is taking place or the connec tion may be lost After the modems have connected the commands in the next section may be used to obtain status and data AWOS RMM Commands Table 6 describes the RMM commands available Each command begins with character and ends with a carriage return The commands are entered through the keyboard Someterminal emulator programs allow macro keys to be programmed The commands may be pro grammed as macro keys if desired Refer to your termi nal emulator s user manual for information on m
7. 70 User s Manual Blower and heater OFF Blower and heater ON Description NO ERROR LOW TRANSMITTER POWER UNBALANCE DETECTOR OFFSET IN DETECTOR REFERENCE VOLTAGE ERROR ZERO POINT FAILURE HIGH CURRENT CONSUMPTION IN S BOARD HIGH CURRENT CONSUMPTION IN M BOARD HIGH CURRENT CONSUMPTION IN H BOARD VOLTAGE FAILURE 24V VOLTAGE FAILURE 5 VOLTAGE FAILURE 15V VOLTAGE FAILURE 15V VOLTAGE FAILURE 230V VOLTAGE FAILURE 10V VOLTAGE FAILURE 10V A D CONVERTER FAILURE IN H BOARD RHV FAILURE RECEIVER HIGH VOLTAGE TEMPERATURE FAILURE OVERHEAT POWER FAILURE NO OR LOW OUTPUT POWER CHARGE FAILURE LASER CIRCUIT NOT CHARGED IPEAK CIRCUIT OUT OF FUNCTION LASER HIGH VOLTAGE LHV REGULATION FAILURE IPEAK CANNOT REACH MAX ALLOWED CURRENT 55A LHV 20 NOT CORRESPONDING TO LHV REFERENCE UNDEFINED FAILURE IN LHV CIRCUIT RECEIVER FAILURE VIDEO SIGNAL TOO LOW DETECTOR FAILURE ADDRESS FAULT S BOARD ADDRESS FAULT H BOARD LPF MISSING SYNC MISSING LASER TRIGGER FAILURE MASTER SLAVE COMMUNICATIONS FAILURE SOFTWARE REBOOT Table 4 8329 Ceilometer status codes AUTOMATED WEATHER OBSERVING SYSTEM MAINTENANCE ERROR PROBABLE CAUSE CORRECTIVE ACTION ERROR 01 Processor Fault Main processor Continued operation is not possible Contact Field Service ERROR 05 Processor Fault Main proce
8. lowing sensors are online list of sensors ONLINE sensor The AWOS reports sensors that are online OFFLINE The AWOS responds with The fol lowing sensors are offline list of sensors OFFLINE sensor The AWOS reports sensors that are online list of sensors PASSWD The AWOS responds with Password accepted or Please re enter Terminating the RMM Session Use the command HANGUP to terminate the AWOS RMM session If this command is not used the tele phone may be busy for up to ten minutes before the AWOS automatically terminates the call for inactivity Qo AUTOMATED WEATHER OBSERVING SYSTEM System Drawings The system drawings on the following pages are included as references to assist in the installation operation and maintenance of this system AUTOMATED WEATHER OBSERVING SYSTEM Q User s Manual 2090 Central Platform Time Standard eee ete erat eee Printer Port 2020 1190 Optional Optional 1 Wind Direction Data Radio Radio I O Com Port 20980 A 2040 Ultrasonic Wind 2030 Wind Speed NADIN Interface and NADIN Remote Displays Satellite Collection 20980 Platform 1 Voice I O e ol E 22285208 oice Temp RH Dew Pt Interface 1791 VHF Radio within 8190 MARS Video Output System Display 7190 Voice RMM Modem Dial Up BP Altimeter Setting Peripheral gt lt Interface Telephone Line PCB Hard
9. 2 minutes 5 minutes 10 min utes 15 minutes 20 minutes 30 minutes and 60 min utes Totake the printer off line click on the Printer Online Offline button To place the printer back online click on the Printer Online Offline button again The cur rent status will be shown at the top of the screen To reset the top of the form take the printer off line again and click on the Reset Top of Form button Place the printer back online to enable printing To return to the Operator Menu click once on the Exit button Click again on the Exit button at the Oper ator Menu to return to the Control Menu AUTOMATED WEATHER OBSERVING SYSTEM OPERATOR MENU PRINT INTERVAL CONTROL MENU PRINTER OFFLINE OF FORM PRINTER MINUTE 2 MINUTES OFFLINE S MINUTES ID MINUTES 15 MINUTES 20 MINUTES 30 MINUTES MINUTES RESET HELP TOP OF EXIT FORM Figure 10 Printer control menu Line Printer Output Format The output of the system line printer contains the fol lowing information Some information will not be displayed ifthe sensor is not installed Airport Identifier Julian Day Zulu Time HHMM Wind Direction Speed and Gust degrees magnetic and knots Visibility statute miles 1f 8364 series sensor 1s installed Lightning at airport or in vicinity TS or VCTS if light ning data available Present Weather Code blank if
10. in addition to any manually recorded voice remarks e Selecting Manual removes all automatically gathered AWOS weather data from the voice output only manually recorded voice remarks are broadcast in this mode Test Mode The Toggle Test Word On Off button causes the AWOS voice output message to include the word Test Click ing this button will toggle the active state between Test mode and the previously active output mode Voice out put must be set for Normal operation to use this feature AUTOMATED WEATHER OBSERVING SYSTEM Setting Radio and Telephone Output Voice output can be broadcast via radio accessed by telephone or both To broadcast the AWOS voice report via VHF ra dio click on VHF Radio On Off The button will be highlighted when VHF outputis on To allow the AWOS voice report to be accessed by telephone click on Telephone Message On Off The button will be highlighted when telephone outputis on To turn on both radio output and telephone output click on VHF Radio On Off and Telephone Mes sage On Off so that both buttons are highlighted To turn off either radio or telephone output click on the associated menu button so that it is no longer high lighted Printer Control Menu The Printer Control Menu Figure 10 allows the user to control printing of AWOS data To the time interval at which AWOS data is printed click on the desired interval button The available in tervals are 1 minute
11. 7 and 8 Note Consult All Weather Inc for RS 485 cable specifications Special cable may be required for runs longer than 100 AUTOMATED WEATHER OBSERVING SYSTEM INSTALLATION RS485 cable from Peripheral Interface 3 Remote Display System Unit rear panel Route the Peripheral Interface data cable and Wind Reporter data cable in through the Remote Display System Unit s back panel 5 Removing the floppy drive cover from the Re mote Display System Unit When installing software itis first necessary to expose the floppy disk drive To do this gently pry the cover from the floppy drive bay witha small screwdriver as shown User s Manual INSTALLATION 6 Remote Display System Unit with floppy drive cover removed Insert the Remote Display software disk in the floppy drive and replace the drive cover Remote Display Connections 1 Set the line voltage selector switches on the Remote Display System Unit and Wind Reporter to the proper settings 2 Connect the Wind Reporter data cable from the Remote Display System Unit to the DB9 connector on the Wind Reporter 3 Connect the monitor and power cables to the Re mote Display System Unit s rear panel connectors 4 Connect the power cables from the System Unit Monitor and Wind Reporter to an AC source Ifa UPS is used connect the power cables to outlets on the UPS and connect the UPS to the AC source ac line voltage selector switch AC
12. AWOS is a multifaceted modular weather monitoring system that pro vides weather data indispensable to recognizing and monitoring airport weather patterns The AWOS contin uously measures an array of weather parameters and can output them to multiple display terminals for interpreta tion by airport personnel The sensor configuration of an AWOS is adaptable to the needs of the airport at which it is installed A com prehensive selection of sensors is available including Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Dew Point Temperature Relative Humidity Barometric Pressure Precipitation Visibility and Variable Visibility Sky Condition Altimeter Setting Density Altitude Present Weather Lightning and Thunderstorm Detection Freezing Rain AUTOMATED WEATHER OBSERVING SYSTEM The output signals of the AWOS sensors are collect ed and processed then displayed on the Central Data Platform s CDP display The CDP is equipped with Weather Inc s user friendly graphic interface which con sists of a hierarchical system of interactive menus pro viding the user direct control over each station s opera tion The CDP also functions as an independent data log ger storing an ongoing record of weather data and sys tem status Kept as a permanent record of system oper ation this archive data can be viewed or printed at any time using the system s straightforward Ar
13. Interface board 8 Connect the 4 pin Molex connector on the Orange wire pair of the interface cable to one of the unused power cables from the power supply in the Peripheral Interface AWOS ATIS Remote Switch Assembly The Remote Switch Model 2941 should be mounted where the mode of the AWOS ATIS switch is controlled The switch assembly can be mounted a vertical or horizontal surface with the provided machine screws ACATS or better patch cord must be run between the Remote Switch assembly and the AWOS ATIS Interface assembly This cable is not part of the kits De not connect to Ethernet From AWOS Do mot connect to Ethernet INSTALLATION provided It is recommended that this be a black cable or be marked in some way as a black cable to keep the color scheme ofthe interface assembly AWOS ATIS Interface Assembly The 2940 Rack Mount Interface assembly is mounted into any 19 equipmentrack with the four 10 32 SEMS screws provided with the assembly The normal location forthe installation of this assembly is in the communication rack for the ATIS equipment This rack has the punch down blocks to connect the ATIS to the VHF radio and the telephone modem The Model 2942 Interface assembly can be located anywhere between the AWOS and ATIS equipment however itis usually located with the AWOS Peripheral Interface Model 20909 Regardless of which model of ATIS Interface is used the connections to the interfaces are the sa
14. To cancel the current remark click on the Cancel Weather Remark and the current remark will be ter minated Tomaintain perpetual display of the weather remark click on the Continuous Weather Remark button The remark will remain valid until changed or can celled by the user To return to the Operator Menu click the Exit button AUTOMATED WEATHER OBSERVING SYSTEM Voice Control Menu The Voice Control Menu Figure 7 allows the user to enter revalidate or cancel voice remarks and to control the output of the AWOS voice report To access the Voice Control Menu click on the Voice Control Menu button on the Operator Menu VOICE CONTROL MENU ENTER REVAL I DATE CANCEL REHRRK REMARK REMARK ONE ONE ONE ENTER REVAL I DATE CANCEL REMARK REMARK REMARK THO THO VOICE HELP OUTPUT EXIT CONTROL Figure 7 Voice control menu Voice Remarks Up to two voice remarks can be stored and output con currently by the system They are recorded using a mi crophone on site Several time constraints apply to voice remarks e Voice remarks must be revalidated hourly if they have not been set to continuous playback mode e Ifavoice remark is recorded between 5 minutes be fore the hour and 45 minutes after it will be broadcast until 55 minutes after the hour fa voice remark is recorded between 45 minutes and 55 minutes afterthe hou
15. Up to 3 Cloud Layers no clouds below 12 500 feet 2696 to 24 sky cover gt 25 to 49 sky cover 25096 to 87 sky cover Thunderstorm Thunderstorm Lightning and 15 minute sliding window 1 minute Direction AUTOMATED WEATHER OBSERVING SYSTEM lt gt User s Manual Installation The CDP installs indoors and consists of System Unit PC Model 20901 Voice RMM Modem Model 20905 A Sound Card Model 20903 Monitor M4821 79 00 Keyboard M406059 Mouse M406060 Printer Model 20910 A B Microphone 20906 Speakers Model 20904 Peripheral Interface Model 20909 UHFRadio Model 20980 A optional NADIN Interface Model M404806 optional e Landline to DCP if no radio VHF Radio Model 1791 Telephone Line customer supplied Optional Uninterruptible Power Source Model 20913 D F Optional KVM extender kit Model M488300 00 All the CDP equipment will fit on a desktop that is at least 30 x 60 It must be located in a conditioned space where the temperature is maintained between 40 and 105 and between 5 and 90 relative humidity and within three feet of an outlet with 120VAC or 220VAC 50 or 60Hz The CDP requires 500VA and should be on adedicated 15Amp circuit Itmust be located within three feet of a telephone line terminated with an RJ 11 con nector The phone line is dedicated to the AWOS and must not be shared with other telephones FAX machines or other equipment Installing the
16. are LTG DSNTN DSNT NANDE DSNT N SE Thunderstorm lightning reporting is in accordance with the following documents 1 FAAAdvisory Circular 150 5220 16C 2 Surface Weather Observing 7900 5B AUTOMATED WEATHER OBSERVING SYSTEM Weather Remark Area This window shows any current weather remark A weather remark is a one line message entered by the operator from the Operator Menu System Status Information SYSTEM STATUS Displays general system generated messages PRN Displays the status of the system printer Itmay indicate OK if operation is normal PA PER OUT NOT READY or OFFLINE The printer may be taken offline from the Operator Menu s Printer Control Menu DSK Displays the status of the system disk drive used for data archiving It should indicate for normal operation COM Indicates OK if data is being received from the sensor station ERROR will be displayed if data is not being received properly from the DCP AUTOMATED WEATHER OBSERVING SYSTEM 9 DisPLAY VHF Indicates the on or off OFF sta tus of the VHF voice radio This setting is controlled from the Operator Menu s Voice Control Menu TEL Indicates the off READY or on ONLINE status of the telephone system used to answer incoming calls and output voice message reports This setting is controlled from the Operator Menu s Voice Control Menu Control
17. ba Ft Hara en Ran pts HB Ca 16 AWOS ATIS Inter 17 IAS TAOTO ss 19 ATIS Peripheral Interface 19 AWOS ATIS Remote Switch 19 AWOS AIS Interface Assembly 19 20 2 Model 20901 System Unit Assembly and Configuration 21 Software MIC 21 Peripheral Interface Assembly 22 CDP CHECKOUT p A 24 Replacing a 20905 A Internal Modem with the 20905 A External Modem Kit 25 M in DISHIAY Me 26 System 27 ean 27 System Status 29 E E 29 uem e 29 User duc eee recs 30 LOGGING OUT ict tm AS 31 LITE 31 Operator MON 32 Weather Remark Control Menwu sse nnns 32 Voice Control av 33 33 Entering eripe 33 Recording accepting and cancelling voice remoarks
18. cable is connected properly and the printer is turned on Diagnostic R eport The Diagnostic Report screen shows the current status of connected sensors including off line missing and er ror conditions This data is updated every hour User s Manual Color Setup Menu The Color Setup Menu Figure 20 allows the user to customize the screen display colors Click on the Color Setup Menu button to access this menu The elements whose colors can be changed through this menu box line and color text color data color low and high alarm off status and error are listed at the top of the screen and are shown in the currently selected color Each time an element button is clicked for exam ple Set Box and Line Color that element s name in the list at the top of the screen will change color For exam ple each time the Set Box and Line Color button is clicked the word BOX at the top of the screen will change colors e When done click the Exit button to return to Mainte nance Menu Two The screen displays will now show the newly selected element colors To return to the Control Menu click on the Exit button on the Main tenance menu SETUP TEXT AND GRAPHICS COLOR MENU BOX TEXT DATA HI ALM LO ALM OFF ERROR SET SET SET BOX AND LINE TERT DATA COLOR COLOR COLOR SET SET SET HIGH ALARM LOW ALARM OFF STATUS COLOR COLOR COLOR SET HELP ERROR EXIT COLOR
19. contain ing data archive and system maintenance controls At any menu click the mouse on the HELP button to see summary of the functions ofall the keys on the menu AUTOMATED WEATHER OBSERVING SYSTEM Logging In and Out The AWOS is protected against unwanted access by a built in password system This system prevents unau thorized users from gaining access to any of the user s menus The first time the Control Menu button is clicked the screen shown in Figure 3 will appear requesting the user to enter his or her user identification code To log in type your user identification code and password using the keyboard if you do not have a user identification code and password see your system administrator to obtain one then click Login Note The data entered on the keyboard will not be shown on the display If you have entered a valid user identification code the Control Menu will appear If the Control Menu does not appear reenter your user identification code and again click Login Ifthe Control Menu still does not appear see your system administrator To return to the main screen click Exit Control Menu User s MENUS USER IDENTIFICATION MENU Enter your USER NAME and PASSWORD Then select LOGIN HELP LOGIN EXIT Figure 3 User identification menu Tolog out of the system and return to the main screen click Logout on the Control Menu This will p
20. expose the Peripheral Interface PCB 2 Route the external cables from the System Unit tele phone line RS 485 landline if used remote dis plays if used and VHF radio through the hole in the case s rear panel and connect to the Peripheral Interface PCB as shown in the Peripheral Inter face Connections table below 3 Install the NADIN interface cable if used see next section INSTALLATION A Bundle the cables on the inside of the Peripheral In terface chassis with the provided cable clamps and hardware 5 Use cable ties every 12 to secure the cables on the outside of the Peripheral Interface Install flex guard tubing between the System Unit and Peripheral In terface 6 Peripheral Interface line voltage selector switch for the proper voltage and connect the power cable to the power input connector on the rear panel 7 Connect the serial cable from the System Unit M491552 to the DB9 COM 1 connector on the rear panel NADIN Interface optional CLH NADIN Interface Board Installation The optional NADIN interface board M404806 used with the CLH NADIN system allows AWOS data to be submitted to the Weather Message Switching Center WMSC for dissemination to flight center stations DUAT etc It can also be used to add thunderstorm lightning detection capabilities to the AWOS The NA DIN interface connects to a plug in connector on the Peripheral Interface board with the incoming RS232 line from t
21. minutes Verify using ARINC di agnostics that the data is being received from the AWOS If data is not received check the Rx and Tx data communication lines They may have to be swapped If no communication is observed check the 20901 BIOS settings for UART2 and verify that it is set according to the setup parameters in this manual The interface inside the 20909 chassis is not required for ARINC NADIN interfaces All Weather Inc also recommends that an RS232 surge suppressor be installed in line with RS232 data This will help prevent dam age to the AWOS CDP in the event of a surge on the RS232 data lines UPS Installation Models 20913 D F If a Model 20913 D or F uninterruptible power source UPS is used at the CDP install it and connect the CDP components as follows 1 Connectasix outlet power strip to an outlet on the UPS 2 Connect the System Unit Peripheral Interface and monitorto the UPS 3 Connect the 1791 VHF radio speaker power sup ply and printer to the outlet strip 4 Connect the UPS to a properly grounded AC out let 5 Power on the outlet strip 6 Power on UPS KVM Extender Installation The KVM Extender kit M488300 00 contains the KVM extender module and all of the components re quired to have a second or remote station attached to the CDP The KVM extender module consists of two AUTOMATED WEATHER OBSERVING SYSTEM INSTALLATION units a transmitter located at the CDP comp
22. no precipitation if 6490 present weather sensor is installed Sky Condition if ceilometer is installed Temperature Dew Point Temperature Celsius Relative Humidity RH Altimeter Setting inches of Mercury Density Altitude feet only if gt 1000 feet above air port elevation Variable Visibility statute miles if 8364 series visibility sensor is installed Variable Wind Direction magnetic degrees Precipitation Accumulation tips since system startup 1 tip 01 inches requires 8364 visibility sensor Day Night sensor output D N requires 8364 visibil ity sensor Lightning Remark requires lightning information input from NADIN User s Manual Maintenance Menu The Maintenance Menu Figure 11 controls were MAINTENANCE MENU designed to provide system and equipment infor DIAGNOSTIC SET SET LOCAL mation to the user for troubleshooting purposes DATE AND System tests can be run and data enhancements made to provide added troubleshooting capabili DISPLAY ENSUE ties SYSTEM ON OFF DISPLAY PARAMETERS CONTROL TIME Note Some screens display information for a NEXT short time and then exit Do not click the mouse these screens unless selection box is displayed that allows mouse input Figure 11 Maintenance menu Diagnostic Display On Off 16 08 18 38 CCU DIAGNOSTIC DISPLAY e Clicking on t
23. on the Peripheral Inter face PCB and screw down power HDD power LED LED COM port 8 Connect the internal cables to the Periph eral Interface PCB e data link radio cable to J12 screw down e power cable to e PowerLED to J16 e HDDLEDtoJ17 Note If the power LED does not come on after power is applied reverse the PCB connector If the HDD LED stays on steadily after applying power re verse its PCB connector AUTOMATED WEATHER OBSERVING SYSTEM gt User s Manual ASSEMBLY J2 pin 1 WHITE 2 GREEN Voice RMM modem card System Unit System Unit Telephone line RS 485 landline if used Remote displays if used VHF radio pin 3 RED pin 4 BLACK 8 SPK OUT ANT on data link radio Speakers INPUT part of 20904 Data link radio antenna M491361 Peripheral Interface Connections 9 the external cables from the System Unit tele CDP Checkout phone line RS 485 landline if used remote dis plays if used and VHF radio through the hole in 0 DE if it the case s rear panel and connect to the Peripheral pium Syster Unaota Interface PCB as shown in the Peripheral Inter Power on the 20909 Peripheral Interface ace Connections table Power on the VHF radio 10 Install the NADIN interface cable if used 11 Bundle the cables on the inside of the Peripheral In Verify that the system boots and that the AWO
24. other stations Weather remarks are also sent to the optional NADIN interface if one is used To access this menu click on the Enter or Revalidate Weather button at the Operator Menu The screen at right will appear Tobeginentering a weather remark click on the ter Weather Remark button and begin typing When done click Exit to activate the weather remark Weather remarks can be up to 71 characters in length Each remark remains valid until 55 minutes past the hour Remarks entered between 45 and 59 minutes pastthe hour will remain valid until 55 minutes past the following hour Remarks entered up to 44 minutes past the hour will remain valid until 55 minutes past the cur rent hour Torevalidate the current weather remark click on the Revalidate Weather Remark button If not re validated the remark will be terminated User s Manual OPERATOR MENU PRINTER CONTROL MENU ENTER OR REVAL I DATE WEATHER VOICE CONTROL MENU Figure 5 Operator menu HEATHER REMARK CONTROL MENU Current Remark New Remark This is a typical weather remark_ ENTER REVAL DATE CANCEL WEATHER HEATHER HEATHER REMARK REMARK REMARK CONTINUOUS HELP WEATHER EXIT REMARK BEGIN ENTERING REMARK Figure 6 Weather remark control menu
25. s worth of archive data to be locked When data is locked it is stored ina special memory location that prevents it from being over written except by newer locked record Once a record is locked it will remain in memory until another archive record is locked in its place To lock 24 hour span of data click the Lock Archive Data button on the Ar chive Menu Archive data is locked using a screen similar to the Archive Retrieval screen By clicking the Select Lock Year Select Lock Month and Select Lock Day but tons you specify the 24 hour period of data to be locked When the displayed date is correct click Lock Selected Archive Data to lock the data If locked data already exists it will be overwritten by the new data To retrieve locked data use the Retrieve Locked Archive Data command on the Archive Retrieval menu AUTOMATED WEATHER OBSERVING SYSTEM 5 Output Modes The output of the AWOS weather observation is con trolled by one of four modes of operation The mode in effect is dependent on a combination of settings and or remarks entered through the Voice Output Control Menu Voice Control Menu and Weather Remark Control Menu all of which are found on the Operator Menu The following sections describe each of the four modes and how to set the AWOS to each of them Mode 1 Full Time Automated Operation In this mode the AWOS operates 24 hours a day with out any manual input The automated weather obser
26. yyyy display sensor online status set sensor sensor to online display sensor offline status set sensor sensor to offline enter a password to enable restricted functions AUTOMATED WEATHER OBSERVING SYSTEM Error log files are retrieved by entering the following with the SOPENFIL command OPENFIL Weather archive data files are retrieved by entering the following with the SOPENFIL command OPENFIL C AWOS PRINTER filename Although other files can be retrieved All Weather Inc does not recommend this practice The CDP does not allow data files to be uploaded to the AWOS This protects against virus contamination etc Retrieving Data F iles After the open command has been processed the AWOS will respond with an acknowledgement of the file open command An error message may be generated if the file was not opened properly Once the file has been opened the SGETFIL command can be used to retrieve the data If the terminal emulator program supports data logging enable this feature to capture the screen data as itis downloaded Status files may take a few seconds to download printer archive files may take up to one minute to download depending on the modem connection baud rate Afterthe files have been downloaded they can be viewed with the terminal emulator program if it supports file viewing or with a text editor or word processor or printed to your system printer S
27. AL AUTOMATIC mode on the Voice Output Control Menu enter a voice remark using the Voice Control Menu and enter a weather remark through the Weather Remark Control Menu Mode 4 Part Time Manual Operation Operation in this mode is normally used for backup and as applicable dissemination of USP over the Service A teletype network Operation in this mode permits a weath er observer to enter a complete manual observation into the system The procedures in FMH 1 or FMH 9 ap ply to the recording and formatting of these manual ob servations As applicable the manual observations are transmitted over the Service A teletype network Voice dissemination of the observations must be done manually using the CDP microphone The manual observations User s Manual include input from the automated AWOS outputs avail able to the weather observer on the CDP display to be modified to FMH 1 or FMH 9 requirements For ex ample the manual observation includes manually derived ceiling sky condition and visibility using FMH 1 or FMH 9 definitions which differ somewhat from the AWOS algorithms Temperature dew point wind direction wind speed and altimeter setting are the same and should be used exactly as presented on the AWOS CDP display Sea level pressure if required to be included in the ob servation must be computed manually since it is not an output included in the AWOS automated output To operate the AWOS in Mode 4 s
28. Automated Weather Observing System AWOS 2090 C DP User s Manual allweatherinc 1165 National Drive Sacramento 95834 800 824 5873 www allweatherinc com Contents Introduction 1 AWOS BOSICS tee 2 system ERE 2 2 Data Collection Platform DCP 2 Ill Central Data Platform CDP 2 IV REMOTES Display exei 2 V Uninterruptible Power Source 2 Lightning and Transient SUAS 3 AWOS 3 AWO d ie sl etc o 3 0 9 AWOS 3 AWOSE 0 3 PES oy o We 4 oil 4 eg ura 4 AWOS 4 Wind Speed and Direction siete staat era rini lt dune Ba RR Rn ra Edna Ro dua a 4 4 Variable Wind Direction 4 RP 5 Mi cow
29. Control Menu Normal and Inoperative Modes The two operative modes controlled by the Toggle Nor mal Inoperative button control overall voice output for the AWOS Clicking this button toggles the active state between Normal and Inoperative Setting this option to Inoperative prevents current weather data from being broadcast The outgoing voice message will contain only the airport identity followed by the message AWOS temporarily inoperative User s Manual VOICE OUTPUT CONTROL MENU AUTOMATIC MODE NORMAL TOGGLE TOGGLE TOGGLE AUTOMATIC NORMAL TEST WORD INOPERATIVE ON lt OFF WHF TELEPHONE RADIO MESSAGE ON OFF ON OFF HELP EXIT Figure 9 Voice output control menu Setting this option to Normal enables the other out put modes available from this menu Automatic Manual and Test Normal operation must be se lected for these modes to function Automatic and Manual Modes When the AWOS voice output is set for Normal oper ation as described above the Toggle ual button sets the outgoing message to include either all AWOS weather data Automatic or only manually re corded weather remarks Manual Clicking this button toggles the active state between Automatic and Manu al Selecting Automatic mode sets the outgoing voice message to include all available AWOS weather data
30. DSP processor Continued operation is not possible Contact Field Service ERROR 36 Processor Fault Main or DSP processor Continued operation is not possible Contact Field Service ERROR 40 Processor Fault Main processor Continued operation is not possible Contact Field Service ERROR 41 Processor Fault Main or DSP processor Continued operation is not possible Contact Field Service ERROR 42 Processor Fault Main processor Continued operation is not possible Contact Field Service ERROR 43 Invalid request DCP Message error will clear once processed Excessive noise on communication lines check wiring b If error occurs frequently contact Field Service ERROR 44 49 Serial Communication DCP Message error will clear once processed a Improper baud rate from DCP b Excessive noise on communication lines check wiring If error occurs frequently contact Field Service ERROR 50 Illegal Serial Heading Value DCP Message error will clear once processed Excessive noise on communication lines check wiring b If error occurs frequently contact Field Service ERROR 51 Invalid Message DCP Message error will clear once processed Excessive noise on communication lines check wiring b If error occurs frequently contact F ield Service ERROR 52 Invalid Antenna Change DCP Message error will clear once processed Request a A request was received to change the antenna mount to a location that does not match the config
31. Disk Drive 6500 Thunderstorm Lightning Sensor Floppy Disk Drive Model 901 AWOS I AWOS I T AWOS 1 0 and AWOS I TU CT option uses Model 6500 or NADIN U version uses Model 2040 2040 Ultrasonic Wind 2090 Central Data Platform Time Standard 5190 noo fF 2 2 222222224 Printer Port Temp RH Dew Pt Data i within 8190 MARS Collection Optional i Optional Wes Com Port Platform UHF Radio UHF Radio Com 7190 20980 A 20980 BP Altimeter Setting 7 es d Voice Visibility Interface Controller Video Output Voice RMM Modem Hard Disk Drive 2030 Wind Speed 2020 Wind Direction NADIN Interface and NADIN Remote Displays Satellite Interface 1791 VHF Radio System Display Dial Up Peripheral 3 Interface PCB Telephone Line 8362 A or 8364 A B C D E Visibility 83339 A Day Night Floppy Disk Drive 6011 A Rain Gauge 6500 Thunderstorm Lightning Sensor Model 902 AWOS II AWOS II T AWOS 11 0 and AWOS II TU C T option uses Model 6500 NADIN version uses Model 2040 Ultrasonic Wind e BK 2030 1 Wind Speed 2090 Central Data Platform 2020 Wind Direction 1190 5190 Time Standard Temp RH Dew Pt ae Printer Port within 8190 MARS 1 NADIN Interf d NADIN lt gt Radio A Radio Com Port Dipldys Satellit
32. F radio DCP landline connection speakers and telephone con nection It includes RS 232 to RS 485 modems with surge suppression telephone line surge suppression and audio filtering circuits This section describes how to assemble a new Model 20909 Peripheral Interface for use in a 900 Series AWOS This procedure is normally performed at Weather Inc prior to system integration but is included foruse during servicing ofthe system unit Use caution in performing all ofthe following steps to prevent damage to the equipment due to electrostatic discharge Work should only be performed by qualified service personnel in a suitable environment 1 Removethecoverfrom the Peripheral Interface 2 Ifadata link radio is to be used mount the radio to the Peripheral Interface PCB M404810 before installing the PCB in the case 3 Mount the data link radio to the underside of the Peripheral Interface PCB through the mounting holes shown 4 Connectthe data link radio cable to the radio User s Manual e AUTOMATED WEATHER OBSERVING SYSTEM ASSEMBLY mounting holes 5 Mount the Peripheral Interface PCB M4048 10 to the standoffs within the Peripheral Interface case with screws inserted through its corner holes oriented as shown chassis 6 Setjumper JP1 for the type of data link used rear Installed for RS 485 landline Removed for radio data link 7 Connect the ribbon cable from the case s external COM port connector to J11
33. Menu The Control Menu key calls up the Control Menu which offers an array of configuration maintenance and archive options These options are explained in detail in the fol lowing chapters Getting Help Click the Help button on any menu to see an explanation ofthe functions available from that menu User s Manual User s Menus IS AUG 97 15 03 VNU FLIGHT DATA DISPLAY WIND VISIBILITY MILES 010 18 3l ive DIR KTS GUST PRESENT WEATHER DENSITY ALTITUDE Light Drizzle FEET VARIABLE WIND DIR SKY CONDITION SCT 100 ALTIMETER SETTING LAST HOUR RAIN 29 97 INHG 0 0 INCHES LIGHTNING DATA Thunderstorm at the Airport LTG DSNT S W HUNDRED FEET MANUAL REMARK SYSTEM STATUS OFFLINE DSK VHF OK OK TEL READY Figure 2 To configure or change system settings position the mouse s cursor over the Control Menu button located in the lower right hand corner of the display screen and click The Control Menu Figure 4 will appear User s Manual Qo TEMPERATURE 23 CELSIUS DEW POINT 5 CELSIUS CONTROL MENU The AWOS user s software available at the CDP tilizes an interactive menu sys tem to configure and operate the AWOS Figure 2 is an example of atypical main display screen showing the range of re ported meteorological conditions with full sensor operation With the click of a mouse the user can customize the system s operation or access nested menus
34. S AWOS III PZ AWOS 2 AWOS AWOS I systems provide data for the following param eters Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude AWOS Il AWOS systems add a visibility sensor rain gauge and day night detector to the AWOS I array The system pro vides data for the following parameters Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude Visibility and Variable Visibility AUTOMATED WEATHER OBSERVING SYSTEM AWOS Basics Rainfall Day Night Detection AWOS Ill AWOS III systems add a ceilometer to the AWOS II array The system provides data for the following param eters Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude Visibility and Variable Visibility Rainfall Day Night Detection Cloud Type and Height up to 3 layers AWOS AWOS systems add a present weather sensor to the AWOS array The system provides data for the following parameters Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Relative Humidity Dew Point Barometric Pressu
35. S pro e gram starts Mo provided Cao 6 Verify printer display keyboard mouse speaker 12 Use cable ties every 10 the cabl th VHF radio and telephone modem operation settee cares ont 7 Replace cover on the Peripheral Interface outside of the Peripheral Interface Install flex guard P P tubing between the System Unit and Peripheral In terface 13 Set the Peripheral Interface line voltage selector switch for the proper voltage and connect the power cable to the power input connector on the rear panel 14 Connect the serial cable from the System Unit M491552 to the DB9 1 connector on the rear panel Un amp User s Manual AUTOMATED WEATHER OBSERVING SYSTEM Replacing 20905 Internal Modem with the 20905 A External Modem Kit Ifreplacing an existing 20905 A internal modem with the 20905 A external modem follow the instructions below The external modem replaces the intenal modem card and mounts inside the peripheral interface 1 the System Unit and Peripheral Interface 2 Disconnect the phone cable and audio cable from the rear of the System Unit Open the System Unit Remove the 20905 A modem card Install the serial card M406076 in place of the modem card Close the System Unit Open thePeripheral Interface Two cables that are routed to the outside of the Peripheral Interface will be connected to the external modem inside the Peripher
36. System Unit PC The System Unit PC 20901 performs data processing on incoming AWOS data and controls I O communica tions with the Peripheral Interface NADIN Interface DCP and peripherals Ifthe optional KVM extender kit is used follow the installation instructions in the section for the optional KVM Extender kit User s Manual 1 Install the System Unit PC in a location where convenient access to power and to the neces sary communication links is available 2 The monitor can be installed on its included desktop stand or mounted to a wall using the M488297 00 wall mount kit Follow the instructions included with the kit to install the wall bracket and monitor A 35 monitor extension cable is included in the kit for installa tions where the monitor is located away from CDP 3 Connect the Monitor to the monitor port on the back of the System Unit PC 4 Connect the keyboard and mouse to the two input connectors on the provided Y cable then connect the Y cable to the DIN port on the back of the System Unit PC 5 Connect the printer if used to the parallel port on the back of the System Unit PC 6 Connect the microphone to the MIC IN connector on the sound card 7 Set the Voltage Selector Switches to the proper settings if not auto switching 8 Connect the System Unit PC power cord to a compatible power source Two speakers connect to the System Unit One speaker is the main speaker to which all speaker c
37. ables connect This speaker also powers the second left speaker 9 Connect the speaker power cord to the main speaker 10 The speaker INPUT cable connects to the speakers from J8 on the Peripheral Interface PCB after installation of the Peripheral Interface in the next section 11 Connect the interface cable to the 1791 radio if used as explained in the Model 1791 User s Manual 12 Setup the printer according to the printer manual ribbon paper etc and connect to the System Unit s printer port 13 Power on the System Unit and set the system clock to the current GMT AUTOMATED WEATHER OBSERVING SYSTEM Installing the Model 20909 P eripheral Interface The Peripheral Interface 20909 is housed within a sep arate enclosure with UHF VHF Data Link Radio if used and optional NADIN interface The Peripheral Interface provides the circuitry and connections neces sary for supporting a NADIN interface UHF Radio VHF radio DCP landline connection speakers and tele phone connection It includes RS 232 to RS 485 mo dems with surge suppression telephone line surge sup pression and audio filtering circuits The Peripheral In terface installs near the System Unit and communicates with it via several cable assemblies These cables are first connected to the Peripheral Interface s PCB as explained below and then to the System Unit Peripheral Interface Connections 1 Removethecoverfrom the Peripheral Interface to
38. acro keys Entering Filenames Filenames are ofthe format MMMDDY Y where is a three character month JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC a two digit day 01 through 31 and a two digit year 00 through 99 For example to retrieve 8 file for Decem ber 31 1998 the file name would 060 198 The AWOS saves data using the above naming con vention in two directories ERRLOG and PRINTER The ERRLOG directory contains status information updated every hour The PRINTER directory contains acopy of AWOS weather in the same format as the line printer output updated at one minute intervals Data is maintained in these directories for one year In order to retrieve an AWOS data file a complete file path must be entered Table 7 AWOS RMM Command Summary RMM Command SHANGUP GETCUR GETSTA CONFIG OPENFIL filename GETFIL SETIME SETIME hh mm ss 55 55 mm dd yyyy ONLINE sensor OFFLINE OFFLINE sensor PASSWD password open a fi set A User s Manual Description end the RMM session display the current AWOS weather report formatted as the system printer output display the current AWOS system status report display the AWOS system configuration le for transmission retrieve the contents of an open data file retrieve the AWOS system time WOS clock to hh mm ss retrieve the AWOS system date set the AWOS system date to mm dd
39. ain Mist Haze Fog Freezing Fog No Precipitation With the addition of optional hardware several fur ther weather types can be detected and displayed Light Ice Pellet Moderate Ice Pellet Heavy Ice Pellet Light Hail Moderate Hail Heavy Hail There are several error or maintenance messages that may also appear indicating the type of maintenance to be performed or the nature of the error The possible messages are INOPERATIVE CLEAN LENSES SENSOR RESET COMM ERRORS NOT REPORTING DATA ERROR ERROR XXXX where XXXX is a status code consisting of four hexadecimal characters see Table 2 in the Maintenance Menu chapterof this manual Rainfall rate is shown in a separate display window Density Altitude Temperature Dew Point RH Values for density altitude temperature dew point tem perature and relative humidity are all displayed within the same window Temperatures are reported in degrees Celsius and relative humidity in percent Density altitude is calculated and reported in feet User s Manual MAIN DisPLAY Sky Condition A laser ceilometer measures sky condition and cloud height reporting both the type of cloud cover and the height of detected clouds The type of cloud cover is represented by the following codes FEW few 26 to 24 sky cover SCT scattered 225 to 49 sky cover BKN broken 250 to 87 sky cover OVC overcast gt 87 sky cover VV00n indefinite ceiling haze or fog The defi
40. al Interface Pull these two cables into the Pepripheral Interface a the phone cable connected to the Phone Out connector on the interface board and b the audio cable connected to J4 on the interface board 69 _ f CABLE POWER CABLE err 3 4 10 12 14 15 AUTOMATED WEATHER OBSERVING SYSTEM gt ASSEMBLY Connect the audio cable to the MIC input on the external modem Connect the ribbon cable M491592 to the DB25 connector on the external modem Connect the phone cable removed from the computer and connected at the other end to the interface board s PHONE OUT connector to the LINE connector on the modem Connect the modem power cable M4918 15 00 to the back of the modem Plug the other end of the cable into one of the power connectors on the power supply Remove the plastic film from the Velcro on the modem and attach it to the bottom of the Periph eral Interface as far toward the front of the chassis as possible Connect the female end of the ribbon cable to the back panel of the Peripheral Interface the metal cover for the DB25 port may have to be removed using the jack sockets M408202 00 and flat washers M009034 00 Close the Peripheral Interface Connect the DB25 to DB9 cable between the installed DB25 connector on the back of the Peripheral Interface and the bottom serial port on the System Unit s serial ca
41. alid test strikes antenna Weather mapping is inhibited in noisy location or faulty a Check antenna wiring for opens and shorts antenna b Fault will clear automatically if interference subsides c Contact Field Service ERROR 19 Processor Fault Main Processor or Antenna Weather mapping is inhibited in noisy location Fault will clear automatically if interference Subsides b Contact Field Service ERROR 20 Configuration Changed Antenna location This may occur the first time the system is top bottom determined by powered on in a new installation Power the processor wiring changed sensor off and back on again If the error since system was last persists contact Field Service powered up ERROR 21 Processor Fault Main processor Continued operation is not possible Contact Field Service ERROR 22 Invalid XY Z Input n a n a AUTOMATED WEATHER OBSERVING SYSTEM Table 5 Thunderstorm Lightning sensor status codes 9 User s Manual MAINTENANCE MENU ERROR PROBABLE CAUSE CORRECTIVE ACTION ERROR 23 Invalid Heading R ef n a n a ERROR 24 MIC KEY STUCK Mic key inhibit line has Weather mapping is inhibited been asserted for at least 60 a Contact Field Service seconds ERROR 25 34 Processor Fault Main processor Continued operation is not possible Contact Field Service ERROR 35 Processor Fault Main or
42. ceived If a password is required to access a function and a pass word has not been entered the AWOS will not respond to the command even though it appears to have been typed correctly Responses to commands HANGUP GOOD BYE is sent to the computer and the connection is terminated GETCUR Current one minute data same as line printer is sent to the RMM computer GETSTA Current system status report is sent to the RMM computer CONFIG Returns the system configuration data on the RMM computer OPENFIL gt gt LOG FILE Filename OPENED OK oran error message is displayed User s Manual User s Manual REMOTE MAINTENANCE MONITORING SGETFIL Sends the contents of file filename to the RMM computer followed by gt gt END OF FILE SETIME Displays the current AWOS time on the RMM computer SETIME hhmmss The AWOS sends time will be set to HH MM SS to the computer The user will be asked to confirm the change by typing SETIME followed by return The AWOS will re spond with current time is HH MM SS SETDAT Displays the current AWOS date on the RMM computer SETDAT mmddyyyy The AWOS sends date will be set to MMM DD YYYY to the RMM com puter The user will be asked to confirm the change by typing SETDAT followed by return The AWOS will respond with The current date is MMM DD YYYY SONLINE The AWOS responds with The fol
43. chive Menu functions A series of remote displays show the current readings computed by the and can be located up to one mile away from the main stations User s Manual 5 Basics System Components The AWOS consists of five major components e Sensor Station Data Collection Platform DCP Central Data Platform CDP Remote Display System RDS Uninterruptible Power Source UPS Sensor Station The AWOS sensor station is located near the touch down zone of the airport runway The sensor station in cludes a combination of the following sensors depend ing on the AWOS model wind speed and direction tem perature dew point rainfall dual barometric pressure sensors cloud height visibility present weather lightning detection and freezing rain Data Collection Platform DCP Located on the sensor tower the Data Collection Plat form DCP collects data from the sensors performs error detection on the received information converts the sen sors data into engineering units and transmits message packets containing sensor data and status information to the Central Data Platform CDP once every five sec onds The data packets contain a cyclic redundancy check CRC character that allows the CDP to deter mine if any transmission errors have occurred The CDP ignores data that is not received correctly Akeypad and display are built into the DCP for sen sor maintenance and visibility
44. cord the re sults on the AWOS Quarterly Technical Performance Record Annual Maintenance During annual maintenance and revalidation perform the procedures listed above for monthly maintenance and record the results on the AWOS Comprehensive Facility Performance and Adjustment Data Form User s Manual Warranty This equipment has been manufactured and will perform in accordance with requirements of FAA Advisory Circular 150 5220 16C Any defect in design materials or workmanship which may occur during proper and normal use during a period of 1 year from date of installation or a maximum or 2 years from shipment will be corrected by repair orreplacement by All Weather Inc User s Manual gt AUTOMATED WEATHER OBSERVING SYSTEM Remote Maintenance Monitoring Overview The CDP can be accessed remotely from another com puter to set system parameters or view system status and data This feature is referred to as No special software is required to access the AWOS CDP Any ter minal emulator program such as ProComm or the Mi crosoft Windows Terminal Emulator program can be used to access the AWOS The CDP is accessed for RMM purposed through the voice telephone line The voice modem will switch to data mode if it detects a tone during the first two seconds after the call is answered Once communication 15 established the user can enter commands to e end the session e enter a password to allow access to rest
45. ction Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude Visibility and Variable Visibility User s Manual Rainfall Day Night Detection Cloud Type and Height up to 3 layers Present Weather rain snow drizzle mist fog freezing fog haze Freezing Rain AWOS Ill PTZ AWOS 12 systems add a freezing rain sensor to the AWOS array The system provides data for the following parameters Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude Visibility and Variable Visibility Rainfall Day Night Detection Cloud Type and Height up to 3 layers Present Weather rain snow drizzle mist fog freezing fog haze e Thunderstorm Lightning Detection Freezing Rain AWOS Algorithms Wind Speed and Direction Wind speed and wind direction are two minute running averages calculated from sensor readings taken at one second intervals When speed is less than or equal to two knots the system indicates calm wind conditions Wind Gust Wind gust is based upon the highest wind speed for the past 10 minutes Variable Wind Direction Variable wind direction is a wind direction that varies around the two minute average wind direction by 60 degrees or more AUTOMATED WEATHER OBSERVING SYSTEM Ambient Temperature Ambient temperature is a five m
46. e BP Altimeter Settin 20980 A 20980 Interface 9 a Voice 1791 VHF Radio 362 A or isibili Video Output Systern Displa 8364 A B C D E Visibility Voice RMM Modem Dial Up Peripheral 83339 A Interface Telephone Line Day Night PCB Hard Disk Drive Floppy Disk Drive 6011 A Rain Gauge Ceilometer Interface Controller 8329 or 8339 Ceilometer 0 Thunderstorm Lightning ensor N on 2 sO 903 AWOS AWOS III U and AWOS III TU CT option uses Model 6500 or NADIN 0 version uses Model 2040 2040 Ultrasonic Wind 2100 Skyvane x 2030 Wind Speed 2090 Central Data Platform Time Standard r i r Printer Port 2020 Wind Direction 1190 Data Collection 5190 Platform Temp RH Dew Pt within 8190 MARS Optional Optional NADIN Interf d NADIN UHF Radio NSA Radio 1 0 Com Port Remote Displays Satellite a Sefi 20980 i 20980 Interface meter senting ARMES 4 CEN Voice I O 1791 VHF Radio 8362 A or Visibility Interface Video Output System Display 8364 A B C D E Conhalet Visibility Voice RMM Modem Dial Up Interface Telephone Line Day Night Ceilometer Interface Hard Disk Drive PCB P Controller 8329 or 8339 Ceilometer Floppy Disk Drive Present Weather Interface Controller 6490 Present Weather 6500 Thunderstorm Lightn
47. e Connect the wire from the satellite TX line to pin 2 RX on the terminal block e Connect the ground wire to pin 3 NADIN terminal block interface board NADIN Interface Connection and Checkout The 2090 Central Data Processor is capable of interfac ing to two NADIN systems CLH and ARINC NA DIN allows the local AWOS weather information to be sent to remote users at Flight Service Stations DUAT terminals and other weather information systems Both User s Manual CLH and ARINC allow AWOS data to be sent to re mote systems via telephone or satellite uplinks CLH also allows lightning information to be processed viaa satellite downlink The NADIN interface is transparent to the AWOS user No periodic maintenance is required Once the ini tial connection as described below has been established no further action is required CLH Interface If the CLH Z Link satellite interface is used the 20909 interface unit will contain an interface board installed above to connect to the RS232 serial data interface of the Z Link system This interface is 1200 baud 8 data bits no parity and 1 stop bit This interface also allows optional lightning detection data to be received by the AWOS CDPif this service has been requested The 2090 CDPis then able to voice display print and archive light ning thunderstorm information Connect a cable from the Z Link System to the 20909 CLH NADIN interface board as specified in
48. e of the Model 20909 Peripheral Interface assembly This cable connects to the power supply inside the Peripheral Interface as well as the modem audio and VHF radio outputs User s Manual o AUTOMATED WEATHER OBSERVING SYSTEM Installation ATIS Peripheral Interface cable The ATIS peripheral interface cable must be installed toallow the AWOS ATIS Interface assembly to connect to the AWOS 1 Tumoffthe powerswitch on the AWOS Peripheral Interface Model 20909 2 Remove the side cover on the Peripheral Interface and lay the interface on its side 3 Disconnect any existing connections at J2 terminals 1 through 4 as well as the J4 Telephone Audio jack 4 Remove the coupler from the ATIS Peripheral Interface cable Model M491 838 00 as necessary to feed the cable RJ 45 connector side from the inside of the peripheral interface through the cable access with the other cables exiting the peripheral interface Reattach the coupler to the RJ 45 connector on the end of the interface cable 5 Wirethe Brown wire pair from the interface cable to terminals 1 and 2 of J2 on the Peripheral Interface PCB The Brown wire should be on terminal 1 and the WHT BRN wire on terminal 2 6 Wire the Green wire pair of the interface cable to terminals 3 and 4 of J2 on the board The Green wire should be on terminal 3 and the WHT GRN wire on terminal 4 7 the 3 5mm stereo jack on the Blue wire pair of the interface cable into J4 on the Peripheral
49. e patch cords and couplers have been provided The couplers are just attached to the end of the long patch cord and to one of the ends of the short patch cord The other end of the short cord is cut off and the insulation stripped back These wires can now be used on the punch block to make the connects to the ATIS 3 Route the White patch cord provided between the Interface assembly white jack and to the outputs provided by the ATIS system These outputs are the VHF PTT Keying output VHF audio output and Telco audio output The Green wire pair connects to the PTT Keying output of the ATIS The VHF audio output connects to the Brown wire pair The Telco audio connects to the Blue wire pair Polarity ofthese wires is not important User s Manual Qo 4 Route the Gray patch cord provided between the Interface assembly silver chrome jack and the VHF radio and telephone modem audio input The Green wire pair connects to the PTT keying input of the VHF radio The Brown wire pair connects to the audio input ofthe VHF radio The Blue wire pair connects to the audio input of the telephone modem Polarity of these wires is not important Checkout 1 Ans Power on the AWOS with the AWOS ATIS mode switch inthe AWOS position Verify the red LED is lit Verify the AWOS audio is heard over the VHF ra dio and adjust modulation as necessary Verify the AWOS audio is heard over telephone modem and adjust audio levels as necessary S
50. ed 48 T 48 AWOS Output Modes 49 Mode 1 Full Time Automated Operation 49 Mode 2 Full Time Automated Operation with Local Notice to Airmen A AE E 49 Mode 3 Full Time Automated Operation with Manual Weather Augmenta TION and Local 49 Mode 4 Part Time Manual Operation 50 CDP Maintenance e 51 Monthly Maintenance sese nennen 51 Quarterly MAINTENANCE a 51 Ann adl MOMCNONCE aao lcu 51 2 Remote Maintenance Monitoring 53 COM CL VIG WW 53 Hardware 53 Establishing Communication with THE 53 AWOS RMM COMMANA S TOT 54 Enteng N 54 Retieving Data FHES cp 55 Specifying Sensor Names for Online Offline Processing 59 Password 55 Command Processing and Command 55 Responses tO COIs TT 55 TS RMM 56 System 57 AUTOMATED WEATHER OBSERVING SYSTEM lt gt User s Manual Intoduction ll Weather Inc s Automated Weather Observ A ing System
51. elect NORMAL MANUAL mode on the Voice Output Control Menu entera voice remark using the Voice Control Menu and enter a weather remark through the Weather Remark Control Menu AUTOMATED WEATHER OBSERVING SYSTEM CDP Maintenance Maintenance of the AWOS CDPis divided into monthly quarterly and annual maintenance tasks The following procedures should be performed according to that sched ule and results recorded as required on the AWOS monthly quarterly and annual forms Monthly Maintenance The following tasks should be performed on a monthly basis and the results recorded on the AWOS Monthly Technical Performance Record Check display operation Check keyboard operation Check printer operation Check the printer ribbon and replace as necessary Check the printer paper and replace as necessary 6 Check microphone operation by recording a voice remark Delete the remark when done 7 Checkdial up telephone operation by dialing the CDP from an outside line 8 Verify VHF radio operation by listening to the AWOS voice output over a remote receiver 9 Check the system clock against a known standard adjust the system clock if the difference is greater than 10 seconds 10 Check speaker operation 11 Check UPS operation if installed 00 Un AUTOMATED WEATHER OBSERVING SYSTEM Quarterly Maintenance During quarterly maintenance perform the procedures listed above for monthly maintenance and re
52. ext section Connect the interface cable to the 1791 radio if used as explained in the Model 1791 User s Manual 13 14 15 16 17 18 19 20 21 22 23 Set up the printer according to the printer manual ribbon paper etc and connect to the System Unit s printer port Power on the System Unit and set the system clock to the current GMT Connect a CATS or better patch cord to the back of the transmitter module at the REMOTE RJ 45 jack Connect the power supply provided with the transmitter module the power supply for the transmitter and receiver modules are the same to the power jack on the back of the transmitter module Plug the power supply into AC power The remainder of the KVM extender kit is installed at the desired use location for the remote station When routing the patch cord from the transmitter module to the location for the remote module ensure that the patch cord is protected from damage and is not readily accessible Plug the patch cord into the RE MOTE V O RJ 45 jack on the back of the receiver module The extender kit monitor can be installed on its included desktop stand or mounted to a wall using the M488297 00 wall mount kit Follow the instructions included with the kit to install the wall bracket and monitor A 35 monitor extension cable is included in the kit for installa tions where the monitor is wall mounted Connect the monitor cable to the monitor connect
53. figuration display DATA COLLECTION PLATFORM STATUS REPORT DCP STATE 100 STORE PTR 0 INPUT 0 CRC ERRORS 0 TIMEOUT ERRORS 0 BP SENSOR Temperature Min ax 73 7 0 7 73 STATE 100 STORE PTR 0 INPUT CTR 0 ERRORS 0 TIMEOUT ERRORS 0 BP SENSOR Temperature Min ax 73 0 73 Figure 18 DCP info display MEMORY CHECK FAR HEAP OK NEAR HEAP OK 38 18 BYTES FREE IN DEFAULT SEG 9818 BYTES FREE IN NEAR HEAP 2442 BYTES FREE IN STACK 167712 EXPANDED BYTES FREE 205516 CONVENTIONAL BYTES FREE Figure 19 Memory status display Display DCP Info To show DCPinformation click on the Display DCP Info button and the screen shown in Figure 18 will appear displaying current DCP status Display Memory Status e To show current memory status click on the Display Memory Status button and the screen shown in Fig ure 19 will appear displaying the available system memory User s Manual MAINTENANCE MENU Printer Test Clicking the Printer Test button will cause a test page to besentfrom the CDPto a connected printer The progress of the test is followed through messages displayed on the Printer Test screen sending form feed to printer for example When the test is complete the test page will print if everything is working properly and the display will automatically return to Maintenance Menu Two If anerror occurs check that the printer
54. found to be acceptable click on Accept Remark The recorded voice remark will be output according to the settings entered through the Voice Output Control Menu User s Manual OPERATOR MENU cancel arecorded remark Click on Cancel Remark The recorded voice re mark will be removed from the system s memory To allow arecorded voice remark to be output continu ously without revalidation Click on Continuous Playback The recorded voice remark will be output continuously until cancelled or replaced by anew remark Revalidating Voice Remarks Voice remarks must be revalidated hourly if they have not been set to continuous playback mode through the Voice Remark Control Menu Revalidation must be done between 45 and 55 minutes after the hour To revalidate acurrent voice remark Click on either Revalidate Remark One or Revali date Remark Two on the Voice Control Menu The voice remark will play until 55 minutes after the fol lowing hour Cancelling Voice Remarks To cancel a current voice remark Click on either Cancel Remark One or Cancel Re mark Two on the Voice Control Menu The remark will be erased from the system s memory Voice Output Control Menu The Voice Output Control Menu Figure 9 allows the user to specify the mode of output of the AWOS voice report The voice output mode can be set to Automatic Manual Inoperative or Test The current mode is shown at the top of the Voice Output
55. gt AUTOMATED WEATHER OBSERVING SYSTEM MAINTENANCE The status field denoted by s 5 5 s 4 bytes in the data output format is a 4 byte field of sensor status bytes The codes can be interpreted as shown in the table SS SSS BYTE 10 11 12 13 14 2 STATUS BIT STATUS BIT STATUS BIT STATUS 0 OK 0 OK 0 OK 0 OK 1 FRU 3 1 FRU 1 1 1 2 FRU 2 2 FRU 9 2 2 B 3 FRU 2 3 3 FRU 9 1 3 3 I 4 FRU 7 4 FRU 5 4 4 T 5 FRU 7 3 5 FRU 5 1 5 5 5 6 FRU 7 2 6 FRU 5 9 6 6 7 FRU 7 2 3 7 FRU 5 9 1 7 7 R 8 FRU 8 8 FRU 4 8 RESET 8 E 9 FRU 8 3 9 FRU 4 1 9 9 5 FRU 8 2 A FRU 4 9 A A E B FRU 8 2 3 B FRU 4 9 1 B B R C FRU 8 7 0 FRU 5 0 FRU 8 7 3 FRU 4 5 1 FRU 8 7 2 FRU 4 5 9 E E D F FRU 8 7 2 3 FRU 4 5 9 1 F F A status code of 0 in bytes 11 12 13 or 14 indicates no problem while a number or letter other than 0 indicates one more may be defective For instance if byte 11 read 9 then both FRU 8 amp FRU 3 should be checked FR Table 2 Present weather sensor status codes AUTOMATED WEATHER OBSERVING SYSTEM User s Manual MAINTENANCE MENU Visibility Sensor Status Word 1 FUNCTION VALUE MEANING 2 1 0 averaging interval I minutes 5 minutes 10 minutes 5 4 3 output interval 10 seconds 1 minute 5 minutes output type units 0 1 10 minutes configuration NVRAM error visibility data incomplete status visibility data missing status v
56. gure 14 will appear showing the name and identification of the airport the CHANGE CHANGE ZERO type of AWOS system field elevation sensor eleva HOUR MINUTE SECONDS tion etc Tihe SYSTEM CONFIGURATION SET Name TEOY YING HELIPORT Airport Ident AA AWOS 6003 Site Contiguratian 0 Field Elevation 16 feet 0 Pressure Sensor Elevation 22 fest DCP 1 Pressure Sensor Elevation 22 teet Magnetic Deviation 2 degrees East DOP 0 Runway 04 DCF 1 Runway 22 DCP 0 Offset 0 BP 1 Offset 0 DCP 1 0 Offset 0 1 Offset 0 values 0 0 150 2 0 3 400 4 2000 5 10000 6 12000 7 0 8 0 Figure 14 System parameters display Turning Sensors On and Off The Sensor On Off Control button is used to set a sen sor s active status to ON or OFF When a sensor is OFF information from that sensor is ignored by the CDP in its data processing operations and it is noted in the voice output as missing To configure the system sensors click the Sensor Off Control button and the screen in Figure 15 will appear SENSOR ON OFF CONTROL MENU uin FH Background Lumnence rt Weather Figure 15 Sensor on off control menu AUTOMATED WEATHER OBSERVING SYSTEM To enable a sensor turn it ON click once on that sensor s button The button will become highlighted To disable a sen
57. he Diagnostic Display On Off button changes the main data display when enabled to in clude instantaneous values for all the sensors connected to the system along with status codes for the Present Weather Sensor Visibility Sensor Ceilometer and the DCP Both raw barometric pressure values and cor rected values with offsets applied are displayed The diagnostic display is shown in Figure 12 This feature is useful when performing system calibration and main tenance Tables 2 3 4 5 and 6 show the status codes forthe Present Weather Sensor Visibility Sensor 8329 Ceilometer Thunderstorm Detector and Freezing Rain Figure 12 Diagnostic data display Sensor The Model 8339 Ceilometer will report sta tus as OK WARNING or FAILURE Consult the main station s Maintenance Menu which then updates Model 8339 Ceilometer User s Manualfortrouble the RDS stations shooting warnings or failures Clickonthe Set Date and Time button and the screen Set Date and Time shownin Figure 13 will appear To ensure that the date and time settings atall the stations Tochange date information click on the appropri agree the controlling main station serves as the master ate buttons Each click will change the information by clock for the system The time must be set to Zulu Green one increment and will be reflected in the information wich time The date and time are set from the controlling shown on the top line of the screen User s Manual
58. he Pan Am satellite connecting to a terminal block on the upper side of the NADIN Interface 1 Mountthe included standoffs between the NADIN interface board and Peripheral Inter face PCB as shown in drawing 20909 003 Peripheral Interface Connections Cable Part Number Voice RMM modem card System Unit part of 20905 A Sound card System Unit M491553 Telephone line RS 485 landline if used Remote displays if used VHF radio M491686 Speakers INPUT part of 20904 Data link radio antenna M491361 AUTOMATED WEATHER OBSERVING SYSTEM 9 2 42 1 WHITE 2 GREEN 3 RED pin 4 BLACK J8 SPK OUT User s Manual INSTALLATION 2 Align connector on the underside of the NADIN interface board with the mating connector on the Peripheral Interface board 14 3 Press down gently on the NADIN Interface board being careful not to bend any pins until it is fully seated and secure with 4 screws 4 Connect the three wires of the incoming RS232 cable from the CLH satellite connection to terminals 1 2 and 3 of the terminal block as follows Note Connection designations refer to the function of the NADIN end of the connection TX RX these designations connect to their opposite counterparts on the satellite end For example TX on the NADIN end connects to RX on the satellite end Connect the wire from the satellite RX line to pin 1 TX on the terminal block
59. ibes how to install a new Model 2091 Remote Display for use in a 900 Series AWOS Use caution in performing all of the following steps to prevent damage to the equipment due to electrostatic discharge Work should only be performed by qualified service personnel in a suitable environment Allthe Remote Display equipment will fit on a desktop that is at least 30 x 60 The Remote Display must be located in a conditioned space where the temperature is maintained between 40 and 105 and between 596 and 90 relative humidity and within three feet of an outlet with 120VAC or 220VAC 50 or 60Hz The Remote Display requires 200VA and should be on a dedicated 15Amp circuit Monitor 1 Remote Display System Unit rear view show ing a typical final configuration To remove the cov er remove the six Phillips head screws shown User s Manual Remote Display UPS System Unit Cover screws ac line voltage selector switch AC power cord RS485 cable from Peripheral Interface monitor cable screws AUTOMATED WEATHER OBSERVING SYSTEM 2 Remote Display System Unit cover removal After removing the screws from the rear panel slide the Remote Display System Unit s cover back several inch es then lift the cover up and off 4 Remote Display internal PCB M404813 Con nect the incoming RS 485 cable from the Peripheral In terface to J2 pins 5 and 6 Connect the Wind Reporter s data cable to J2 pins
60. ing Sensor Model 903 P AWOS III P AWOS III PT AWOS AWOS III PTU CT option uses Model 6500 or NADIN version uses Model 2040 2 Ultrasonic Wind 040 or 2100 Skyvane r 2030 Wind Speed 2020 Wind Direction 5190 Temp RH Dew Pt within 8190 MARS 7190 BP Altimeter Setting 8362 A or 8364 A B C D E Visibility 83339 Day Night 8329 or 8339 Ceilometer 6490 Present Weather 6500 Thunderstorm Lightning Sensor 6495 Freezing Rain Sensor 1190 Data Collection Platform Optional Optional gt Radio MMA UHF Radio 20980 20980 Visibility Interface Controller Ceilometer Interface Controller Present Weather Interface Controller Freezing Rain Interface Controller Model 903 PZ 2090 Central Data Platform Time Standard Printer Port Com Port NADIN Interface and NADIN Remote Displays Satellite Interface 1791 VHF Radio System Display Voice O Video Output Voice RMM Modem Dial Up Peripheral Interface Telephone Line Hard Disk Drive PCB Floppy Disk Drive AWOS 2 AWOS III PTZ AWOS III PZU and AWOS III PTZU CT option uses Model 6500 and or NADIN U version uses Model 2040 D allweatherinc All Weather Inc 1165 National Drive Sacramento CA 95818 Fax 916 928 1165 Phone 916 928 1000 Toll Free 800 824 5873 www allweatherinc com 2090 001 RevisionS ECO 1453 Aug
61. inute average tempera ture calculated each minute from sensor readings taken at one second intervals Temperature will not be report ed 8190 MARS fan fails Dew Point Dew point temperature is a five minute average dew point temperature calculated each minute from sensor read ings taken at one second intervals If less than four valid one minute values are available dew point is reported as missing Dew point temperature will not be reported if the 8190 MARS fan fails Pressure Forquality control purposes the AWOS includes at least two pressure sensors The definitions below apply to AWOS installations Altimeter Setting The pressure value to which the altimeter of an aircraft on the ground is set so that it will indicate the field elevation mean sea level of the airport The two pressure sensors must agree to within 04 inHg for altimeter setting to be reported Also the temperature read inside the 7190 sensor must be gt 40 C and lt 60 C Field Elevation Ha The officially designated field elevation of an airport above mean sea level It is the elevation of the highest point on any of the airport s runways Density Altitude DA The altitude in the standard atmosphere where air densi ty is equivalent to that of the airport This is used by pilots to determine aircraft performance Density altitude is not reported if itis less than 1000 above the field elevation Sensor Pressure P The atmospheric press
62. isibility dirty window status three headed operation indicator unused standard settings displayed as 48 in status word Any other value indicates a configuration error visibility extinction coefficient miles kilometers 5 3 5 error data complete data incomplete from at least 1 head A data missing data from more than 1 head is missing vd dirty Four headed operation normal Three headed operation Table 3 Visibility sensor status codes User s Manual gt AUTOMATED WEATHER OBSERVING SYSTEM MAINTENANCE Status Word 2 _ poe 000 0 5 _ _ ALS D N heater status note this bit is ignored when neither OK an ALS nor Day Night sensor is failed present Vi ntroller 1 ly status Ok is controller power supply statu failed Visibility sensor model 8364 C 1 8364 Table 3 cont Visibility sensor status codes AUTOMATED WEATHER OBSERVING SYSTEM User s Manual MAINTENANCE MENU Functional codes should be 25 Y 0 Y B Blower ON Y 6 Priority Code XXYO 30 XXYI 31 32 34 4 3 5 2 XX10 3 XXII 4 12 10 XX13 6 14 7 XXI5 8 16 9 XX17 11 XXI18 12 XX19 5 XX20 13 XX21 14 XX22 15 XX23 16 XX30 17 XX31 18 XX32 19 XX33 20 XX34 21 XX35 22 XX36 23 XX40 29 XXAI 24 XXA5 25 XX46 26 XX50 27 51 28 52 1 XX60 35
63. it Connect the keyboard and mouse connectors on the DB25 cable to the two input connectors on the provided Y cable then connect the Y cable to the DIN port on the back of the System Unit PC Connect the CDP mouse to the mouse port on the front of the transmitter module Connect the CDP keyboard to the keyboard port on the front of the transmitter module Connect the printer if used to the parallel port on the back of the System Unit PC Connect the CDP microphone to the micro phone connector on the front of the transmitter module Connect one of the 3 5mm stereo cables provided with the transmitter module to the MIC IN connector on the sound card and the microphone connector on the back of the transmitter module Set the Voltage Selector Switches to the proper settings if not auto switching Connect the System Unit PC power cord to a compatible power source Two speakers connect to the System Unit One speaker is the main speaker to which all speaker cables connect This speaker also powers the second left speaker 10 11 12 User s Manual Connect the speaker power cord to the main speaker The speaker INPUT cable connects to the speaker jack on the front of the transmitter module Connect the other 3 5mm stereo cable provided with the transmitter module to the speaker jack on the back of the transmitter module and J8 on the Peripheral Interface PCB after installation of the Peripheral Interface in the n
64. me The back of the interface assembly has four RJ 45 jacks for the connections to the AWOS and ATIS equipment as well as the Remote Switch assembly Each of these jacks are color coded to aid in the installation of the Interface assembly Each of these jacks will have a patch cord connected as part of the installation except for the Black jack if the Remote Switch is not used Each of these patch cords should be routed to prevent undue stress on the cable and should preferrably be protected with some kind of conduit or cable ducting 1 Thepatchcord from the Remote Switch assembly if used must be connected to the Black RJ 45 jack on the back of the Interface 2 The Blue RJ 45 jack receives the cable from the AWOS Peripheral Interface If the Model 2942 is used itis expected that the assembly is close enough to the Peripheral Interface that the coupler is removed from the Peripheral Interface cable and connected directly to the Blue jack on the back of the AWOS ATIS Interface assembly Ifthe Model 2940 15 used the supplied Blue patch cord is used to connect the Peripheral Interface cable assembly to the Blue jack on the back of the Interface assembly net comnect to Ethernet Do 1 VHF io not connect to Elhernet AUTOMATED WEATHER OBSERVING SYSTEM User s Manual INSTALLATION Since the expected wiring of the ATIS to VHF radio and telephone modem is through a punch down block a pair of short solid wir
65. n at the top of the screen will increase by five minutes The archive interval can be set at five minute increments up to 20 minutes AUTOMATED WEATHER OBSERVING SYSTEM User s Manual ARCHIVE MENU Archive Data Retrieval Toretrieve archive data click on the Archive Data Retrieval button This will bring up a menu of choices foridentifying and outputting the desired data Fig ure 22 At the top of the screen are two lines the top line reads Output To and the second line reads Start Date and Hour The top line indicates the device to which the archive data will be output The second line indicates the specific archive data to be retrieved indexed by date and time e To choose an output device click the mouse on the Select Output Device button Continue to click on the button to cycle through the available output de vices printer display unit combination printer display unit or floppy drive A e To choose the year of retrieval click on the Select Retrieval Year until the chosen year appears on the line at the top of the screen Inthe same manner choose the month day and hour of retrieval by clicking on the Select Retrieval Month Select Retrieval Day and Select Retrieval Hour buttons When 23 is displayed for the hour selection click ing the Select Retrieval Hour button again will change the selected hour to read Entire File This selection will recall the entire day s archive data
66. nition of these codes is shown in the Averaging Table in the chapter titled AWOS Basics Cloud height is shown in hundreds of feet 12 000 feet for instance is represented by 120 Altimeter S etting Altimeter setting is displayed in inches of mercury The direct readings of the two pressure sensors can be seen using the Diagnostic Display On Off command on the Maintenance Menu When the diagnostic display option is ON the altimeter setting window will include values for 1 and BP 2 Last Hour Rain Therainfall overthe last one hour period is calculated by the rain gauge or by the present weather sensor based on the type of precipitation detected and the calculated rate and is reported in 0 01 increments This value is updated every five seconds Thunderstorm Lightning Data Thunderstorm lightning data is reported for any lightning activity detected within a 30 nm radius of the installation site Lightning data is divided into three distance ranges 0to 5nm 5nmto 10nm gt 10 nm to and including 30nm Lightning detected in the first range within 5nm is reported as Thunderstorm at airport in the body of the voice report with the present weather data The screen display will show Thunderstorm at the Airport in the lightning data section User s Manual Lightning detected in the second range between Snm and 10nm is reported as Thunderstorm in the vicinity in the body of the voice report with the pre
67. ntable enclosure This model fits into the standard ATIS communication Front rack or any other standard 19 rack The 2940 is a one rack unit I RU enclosure There is no external mode switch on the 2940 therefore a Remote Switch Model 2941 is required Back AUTOMATED WEATHER OBSERVING SYSTEM 6 User s Manual INSTALLATION 2942 The desktop enclosure for ATIS Interface is Model re ea Wear ln ee 2942 This model has a LED and mode switch on the front of the enclosure and does not require the remote AWOS Q ATIS switch However the remote switch can still be used with this model This is not Ethernet This is not Ethernet From AWOS ATIS 2 The Model 2941 Remote Switch can be to 1000 Sig feet away from the ATIS Interface and is connected to the interface with a CATS or better patch cord The Remote Switch has a switch guard overthe switch to allweatherinc prevent the accidental switching to ATIS mode for the ATIS Interface The switch guard must be lifted before the switch canbe changed to AWOS mode When the switch guard is closed the switch is automatically switched to ATIS mode There is a LED that is lit when the switch is in AWOS mode The ATIS Peripheral Interface cable Model M491838 00 is include with both enclosure models 2940 and 2942 This cable provides the CATS or better patch cord connection to all of the required connections to the insid
68. one 20903 sound card Creative Labs Soundblaster Model SB2961 20905 A telephone modem AUTOMATED WEATHER OBSERVING SYSTEM 9 1 Connectthe keyboard monitor and power cables to the 20901 unit 2 Poweronthe monitor and CPU 3 Verify operation ofthe monitor system unit and key board Re boot the system unit press CTRL ALT DEL Power off the CPU Remove the power cable keyboard cable and monitor cable from the system unit Remove the cover from the system unit Install the sound card and serial card Use a Phillips screw driver to fasten the cards into place with the card panel mounting screws 10 Setthe CPU card jumpers to enable the timer and setthe timeout period to the maximum available 11 Reinstall the chassis cover and secure the screws 06 S oftware Installation Install each of the following floppy disks from DOS Mouse driver Sound card drivers Time standard drivers AWOS words AWOS system programs For each disk 1 Insert the disk in drive A 2 Selectdrive A by typing then hitting Return 3 Type the command INSTALL then hit Return User s Manual ASSEMBLY Peripheral Interface Assembly The Peripheral Interface 20909 is housed within a separate enclosure with the Data Link Radio if used and optional NADIN interface The Peripheral Interface provides the circuitry and connections necessary for supporting a NADIN interface Radio VH
69. or on the back of the receiver module Connect the 3 5mm stereo cable provided with the monitor to the speaker jack on the monitor and the speaker jack on the front of the receiver module The volume ofthe speakers built in to the monitor can be adjusted using the monitor s controls Connect the keyboard to the keyboard connec tor on the front ofthe receiver module Con nect the mouse to the mouse connector on the front of the receiver module Connect the microphone to the microphone connector on the front of the receiver module Connect the power supply provided with the receiver module the power supply for the transmitter and receiver modules are the same to the power jack on the back of the receiver module Plug the power supply into AC power AUTOMATED WEATHER OBSERVING SYSTEM INSTALLATION d Checkout Poweron the UPS if used Power on the CDP system System Unit monitor printer speakers Power on the Peripheral Interface Power on the VHF radio Verify that the system boots and that the AWOS pro gram starts 6 Verify printer display keyboard mouse speaker VHF radio and telephone modem operation Replace the cover on the Peripheral Interface Ifthe KVM Extender kit is installed verify the op eration of the remote display keyboard mouse mi crophone and speakers Un amp UC N AUTOMATED WEATHER OBSERVING SYSTEM o User s Manual INSTALLATION R emote Display Installation This section descr
70. pecifying Sensor Names for Online Offline Processing The following abbreviations are valid for AWOS sen sors devices WS for wind speed WD for wind direction TP for temperature DP for dew point BP for barometric pressure VI for visibility CH for cloud height PW for present weather for VHF radio voice ZR for freezing rain AUTOMATED WEATHER OBSERVING SYSTEM REMOTE MAINTENANCE MONITORING Sensors that are set offline will not have their data reported in the voice message on the display terminal printer or archive data Turning off the VHF radio will cause the radio voice output to stop The telephone voice will continue If all sensors are offline the AWOS will report temporarily inoperative to the voice output Password Processing The PASSWD command is required to access the fol lowing functions SONLINE SOFFLINE SOPENFIL GETFIL SETIME and SETDAT Unless PASSWD is entered the AWOS will hang up within two minutes after the call is answered If SPASSWD is entered hangup will be ten minutes after the last command is entered unless a hang up com is received first Contact All Weather Inc for the RMM password for your system RMM Command Processing and Command Responses The input command is processed If the command 1 val id then aresponse will be generated If the command is invalid an error message will be sent The system will hang up if three invalid commands in a row are re
71. peration provided there is no interference with the observer augmentation The weather observeris responsible for the accuracy and time liness of the added weather information The weather to be added is limited to thunderstorms all types of precip itation and obstructions to vision Note Tornadoes wa terspouts and funnel clouds are reported as urgent spe cials USP using Mode 4 The weather added by the observer is to be manually recorded and appended to the automated voice reports using the CDP microphone and as applicable entered manually using the CDP key board into the system for transmission to NADIN The procedures in Federal Meteorological Handbook No 1 FMH 1 or as applicable Federal Meteorological Handbook No 9 FMH 9 apply to the thunderstorm precipitation and obstruction to vision entries except 1 The manual entries are to be included in the remarks portion of the observation prefaced with the phrase OBSERVER WEA 2 The precipitation entries are limited to type and intensity e g OBSERVER WEA R S 3 The thunderstorm entries are limited to inten sity if appropriate and direction OVHD NE etc e g OBSERVER WEA TRW TOVHD 4 Obstructions to vision alone orin combination with precipitation are to be included when the visibility is 3 miles or less e g OBSERVER WEA F User s Manual AWOS Output 5 To operate the AWOS in Mode 3 select NORM
72. power cord RS485 cable from Peripheral Interface monitor cable Remote Display Checkout Power on the UPS if used Power on the CDP System Unit and Peripheral Interface Power on the Remote Display System Unit Power on the Remote Display monitor Power on the Wind Reporter Set the Wind Reporter to INST mode Verify that data is displayed on the Wind Reporter and on the Remote Display monitor NA WB WN User s Manual AUTOMATED WEATHER OBSERVING SYSTEM INSTALLATION AWOS ATIS Interface This section describes how to install an AWOS ATIS Interface for use in 900 Series AWOS The FCC Title 47 regulation 87 527c only allows one VHF frequency for sites that have both ATIS and AWOS systems The AWOS ATIS Interface connect the and telephone modem outputs of both of these systems to one VHF transmitter and one telephone modem A switch controls the mode of the VHF transmitter and modem Power 12V is supplied by the CDP Peripheral Interface 2941 Remote Switch AWOS 900 CDP Peripheral Interface Transmitter VHF Audio VHF Keying VHF Audio Modem Audio 2940 2942 Switching VHF Keying VHF Interface VHF Keying Modem Audio Modem Audio Telephone ATIS System Modem There are two different enclosures for the ATIS Interface The Model 2940 is a 19 rack mou
73. r it will be broadcast until 55 minutes afterthe following hour Entering Voice Remarks e Toenter a voice remark click on either Enter Re mark One or Enter Remark Two on the Voice Con trol Menu The screen shown in Figure 8 will appear AUTOMATED WEATHER OBSERVING SYSTEM OPERATOR MENU Recording accepting and cancelling voice remarks Up to two voice remarks can be stored and output con currently by the system The two Voice Remark Control Menus Figure 8 one for each of the two possible remarks allow the user to enter on site or remote re marks review recorded remarks and cancel outgoing remarks VOICE REMARK ONE RECORD STOP REVIEW MICROPHONE RECORD OR REMARK REMARK PLAYBACK CONTINUOUS ACCEPT PLAYBACK REMARK CANCEL HELP REMARK EXIT Figure 8 Voice remark control menu Voice remarks are recorded for output from a micro phone on site To record a voice remark Click on Record Microphone Remark The micro phone will be activated and you may begin recording immediately Click on Stop Record or Playback to stop record ing To review a recorded remark Click on Review Remark The recorded voice re mark will be played back Tostop playback before the end of the remark click on the Stop Record or Playback button To accept a recorded remark e When the recorded remark has been reviewed and
74. rd RIBBON CABLE lt ENS LU PHONE CABLE LINE Pp 6 2 SE 2 aN User s Manual Main Display The main display screen Figure 2 shows the current In addition to sensor data the main display also shows reported weather conditions for all the sensors in an easy date to read window format The measured parameters are time clearly marked with current values shown in large bold e airport identifier numbers If data has not been received from a sensor or manually entered weather remarks if the sensor has been turned off see Turning Sen sors On and Off data display will be blank If an error has been detected on the sensor an error message will be shown in the specified error color set through the Color Setup Menu Figure 2 Main screen Airport Date Time Identifier FLIGHT DATA DISPLAY WIND VISIBILITY MILES 010 18 oR QUST PRESENT WEATHER DENSITY ALTITUDE VARIABLE WIND DIR Light Drizzle FEET TEMPERATURE SKY CONDITION HUNDRED FEET 23 DEVY POINT LAST HOUR RAIN CELSIUS 0 0 INCHES 39 Lightning Thunderstorm Data Weather Remark Area SYSTEM STATUS OK System OFFLINE Status DSK OK Information TEL READY Control Menu Access Button User s Manual gt AUTOMATED WEATHER OBSERVING SYSTEM System Information Date Displays the current system da
75. re Altimeter Setting Density Altitude Visibility and Variable Visibility Rainfall Day Night Detection Cloud Type and Height up to 3 layers Present Weather rain snow drizzle mist fog freezing fog haze AWOS AWOS systems add thunderstorm detection to the AWOS array The system provides data for the fol lowing parameters Wind Speed and Gust Wind Direction and Variable Wind Direction User s Manual AWOS Basics Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude Visibility and Variable Visibility Rainfall Day Night Detection Cloud Type and Height up to 3 layers Thunderstorm Lightning Detection AWOS Ill PT AWOS systems add thunderstorm detection to the AWOS array The system provides data for the following parameters Wind Speed and Gust Wind Direction and Variable Wind Direction Temperature Relative Humidity Dew Point Barometric Pressure Altimeter Setting Density Altitude Visibility and Variable Visibility Rainfall Day Night Detection Cloud Type and Height up to 3 layers Present Weather rain snow drizzle mist fog freezing fog haze Thunderstorm Lightning Detection AWOS Ill PZ AWOS III PZ systems add a freezing rain sensor to the AWOS III P array The system provides data for the following parameters Wind Speed and Gust Wind Direction and Variable Wind Dire
76. revent ac cess to the user s menus by unauthorized persons since auser identification code will need to be entered again to regain access to the menus The Control Menu Figure 4 gives the user access to the various operating menus Each submenu of the Control Menu is restricted to use by those with access privileges to that menu If you are not authorized to use a certain menu the Control Menu will remain on the screen and you will hear a beep The available submenus are Operator Menu Maintenance Menu Archive Menu DISPLAY OPERATOR ick to access the Operator Menu DISPLAY MAINTENANCE MENU ickto access the Maintenance Menu DISPLAY ARCHIVE MENU ick to access the Archive Menu ick fora description of the functions of the enu keys ick to log outof the system ick to return to the main display screen AUTOMATED WEATHER OBSERVING SYSTEM CONTROL MENU DISPLAY MAINTENANCE MENU OPERATOR MENU ARCHIVE DISPLAY MENU DISPLAY LOGOUT 9 Figure 4 Control menu User s Manual Operator Menu Through the Operator Menu Figure 5 the user can Enter or revalidate a weather remark Enter and control voice remarks Change printer settings Weather Remark Control Menu The Weather Remark Control Menu Figure 6 allows the user to enter a weather remark to communicate with users at
77. ricted functions getacurrent AWOS system status report getthecurrent AWOS reported weather observation getthe AWOS system configuration opena data file for downloading download a data file that has been opened getorsetthe AWOS system time getorset the AWOS system date get or set sensor online offline state get or set the VHF voice radio online offline state Hardware Requirements The following are minimum requirements to call the AWOS for RMM e 80486 PC running DOS 5 0 or Windows 3 1 Terminal emulator program such as Procomm orthe Windows Terminal Emulator terminal emulator programs are included with most modems AUTOMATED WEATHER OBSERVING SYSTEM US Robotics Sportster 28 8 data modem equivalent NOTE not all modems may work properly with AWOS Contact your modem PC vendor for help if the modem will not connect properly to the AWOS Weather Inc assumes no responsibility for supporting the RMM computer system unless it was pur chased from All Weather Inc Dialup telephone line capable of 28 8 or higher data transmission Establishing Communication with the AWOS The following steps are required to access the AWOS CDP viaRMM 1 Boot the computer to be used to access the AWOS 2 Start the computer s terminal emulator program Procomm Kermit MS Terminal Emulator etc 3 Configure the terminal emulatorto communicate with the modem set the comm port baud rate etc 4 Type
78. s of remote display units connected to the CDP Each re mote display station includes a central processor and a display These remote displays present data in the same format as the CDP and are controlled by the CDP They are display stations only with no available menus or con figuration controls V Uninterruptible Power Source The sensor station CDP including peripheral devices and remote displays may all be protected by an uninter ruptible power source UPS which supplies emergen cy power in the event of a power outage Two UPS models are available one will power the system compo nents for a minimum of ten minutes and the other will provide power for up to one hour The systems sensors can be powered by optional backup batteries AUTOMATED WEATHER OBSERVING SYSTEM Lightning and Transient Surge Protection The AWOS is protected by comprehensive network of lightning and transient surge protection components Tranzorbs MOVs and resistors protect all sensor lines power lines telephone lines and communication lines against lightning induced surges and power line transients and surges AWOS Configurations AWOS systems are available in several configurations The configurations differ primarily in the sensors included and the output method used landline or radio The Sys tem Drawings chapter of this manual provides block diagrams of the main configurations AWOS I AWOS AWOS AWOS AWOS AWO
79. sensor configuration 8364 series and above Central Data Platform Meteorological data is transmitted by the Data Collec tion Platform to the Central Data Platform CDP which consists of a central processor a high resolution display a hard disk drive floppy disk drive a keyboard and a mouse The CDP receives data from the DCP and out puts current weather data to the Remote Display System RDS User s Manual 9 Several key functions are initiated at the CDP includ ing Set Date and Time Sensors On Off Enter Voice Remark Enter Weather Remark Up to two 90 second voice remarks can be entered by the operator at the CDP and these will then be ap pended to the ongoing voice report The voice remark is sometimes used in place of an Automatic Terminal Infor mation System or ATIS Weather remarks are entered at the CDP for trans mission to the remote displays This remark will be dis played on the top line of the Weather Remark display box A running record of measured weather conditions and overall system operation is maintained in the CDP s chive files for one year An archive file is an automatic report written to nonvolatile memory once every five min utes These files may be accessed at any time for viewing or printing using the Archive Menu available to autho rized users through the CDP s Control Menu IV Remote Display System The Remote Display System RDS consists of a serie
80. sent weather data The screen display will show Thunderstorm in the Vicinity in the lightning data section Lightning detected in the third range greater than 10nm up to 30nm is reported in the remarks section of the voice report as follows e Iflightning is detected in two octants both will be reported with separating them For example Lightning distant North and South east if octants 1 and 4 are active Iflightning is detected in three octants the data will be reported as a range if the octants are contiguous or if the strikes are spread between four contiguous octants For example Light ning distant North through East if octants 1 2 and 3 are active or Lightning distant North through Southeast if octants 1 2 and 4 active If more than one octant separates any of the three active octants or if the three active octants are spread across more than four contiguous octants the data is reported with and separating the octant descriptors For example Lightning distant North and Southeast and Northwest if octants 1 4 and 8 are active e ffourcontiguous octants are active the data is reported as arange For example Lightning distant North through Southeast if octants 1 2 3 and 4 are active e Iffournon contiguous octants are active or if fiveor more octants are active the data is reported as Lightning distant all quadrants Examples of the screen display
81. sor turn it OFF click on that sensor s highlighted button It will be darkened indicating that the sensor has been turned off Click on the Exit but ton to return to the Maintenance Menu Maintenance Menu Two Toaccess Maintenance Menu Two Figure 16 click on the Next Menu button on the Maintenance Menu MAINTENANCE MENU DISPLAY DISPLAY DISPLAY SERIAL DCP MEMORY INFO INFO STATUS PRINTER DIAGNOSTIC COLOR TEST REPORT SETUP MENU HELP EXIT Figure 18 Maintenance menu two Maintenance Menu Two allows the user to View serial port connection information View data collection platform DCP data e Check current memory status View sensor status Change the colors used to display AWOS information e View a list of equipment connected to the system To exit any of the display screens click on the Exit but ton to return to Maintenance Menu Two Display Serial Info Toshow current serial port connection information click on the Display Serial Info button and the screen shown in Figure 17 will appear AUTOMATED WEATHER OBSERVING SYSTEM MAINTENANCE SERIAL PORT CONFIGURATION COMI IN OUT READ 0 COM2 2400 N 8 1 IN Gia OUT Q0 READ ERRS 0 GUT 0 READ 0 N OUT READ 0 Figure 17 Serial port con
82. ssor memory Continued operation is not possible Contact Field Service ERROR 06 Processor Fault Main processor memory Continued operation is not possible Contact Field Service ERROR 07 Processor Fault Main processor memory Continued operation is not possible Contact Field Service ERROR 08 Processor Fault Main processor memory Continued operation is not possible Contact Field Service ERROR 09 Processor Fault DSP processor memory Continued operation is not possible Contact Field Service ERROR 10 Processor Fault DSP processor memory Continued operation is not possible Contact Field Service ERROR 11 Processor Fault DSP processor memory Continued operation is not possible Contact Field Service ERROR 12 Processor Fault DSP processor memory Continued operation is not possible Contact Field Service ERROR 14 Processor Fault DSP processor Continued operation is not possible Contact Field Service ERROR 15 Processor Fault DSP processor Continued operation is not possible Contact Field Service ERROR 16 Antenna Fault Antenna or antenna wiring Weather mapping is inhibited a Check antenna wiring for opens and shorts b Contact Field Service ERROR 17 Processor Fault No test strikes antenna in Weather mapping is inhibited noisy location or faulty a Check antenna wiring for opens and shorts antenna b Fault will clear automatically if interference subsides c Contact Field Service ERROR 18 Processor Fault Inv
83. step 4 above then follow the steps below to check operation of the interface 1 Perform CDP checkout as explained on the next page 2 Poweron the AWOS and the Z Link Systems 3 Using diagnostics available on the Z Link System confirm that the AWOS transmits the binary ADAS message every minute If data is not received check the Tx and Rx communication lines They may need to be swapped 4 Ifalightning interface is available verify that the AWOS transmits TMOK in response to lightning input data messages If data is not received check the Tx and Rx communication lines They may need to be swapped 5 Ifnodatais sent by the AWOS to NADIN inter face confirm with the AWOS Configuration pro gram that the output to NADIN is enabled 6 Ifno lightning data messages are displayed by the AWOS and lightning data is active on the Z Link system confirm with the AWOS Configuration pro gram that NADIN Lightning Input is enabled 7 Replacethe Peripheral Interface cover AUTOMATED WEATHER OBSERVING SYSTEM ARINC Interface If the ARINC NADIN interface is used follow the steps below to connect the interface and check its operation 1 Perform CDP checkout as explained below 2 Connecta data cable with a DB 9 connector to the 2090175 Serial 2 port 3 Connect the other end of the data cable to the ARINC equipment 4 The AWOS will output a METAR formatted text message ASCII 9600 baud 8 data bits no parity 1 stop every five
84. te User s Manual 9 Thunderstorm Detection Model 6500 Thunderstorm lightning data is reported for any lightning activity detected within a 30 nm radius of the installation site as explained in the Sensor Displays section of this manual The data is divided into three distance ranges 5 nm 5 10 nm and 210 30 nm Activity detected in the 10 30nmrange also includes direction information reported in octants Northwest Southeast etc Light ning data is updated every 5 seconds and uses a 15 minute sliding window reported lightning activity includes all strikes detected within the past 15 minutes The sys tem displays may take up to one minute to reflect the new input Thunderstorm Detection NADIN Interface Using the optional NADIN interface link thunderstorm lightning data is updated every one minute The system displays may take up to one minute to reflect the new input AUTOMATED WEATHER OBSERVING SYSTEM AWOS Basics Averaging Table Table 1 Sensor Reporting Units Averaging Times Time to First Report after averaging CDP Power Up Wind Gust Knots 5 seconds 90 seconds last 10 minutes Wind Direction Nearest 10 degrees 2 minutes 90 seconds magnetic Variable Wind Direction Nearest 10 degrees 5 seconds 90 seconds magnetic Density Altitude Feet 5 seconds 3 minutes not reported if lt 1000 above field elevation Precipitation 0 01 inches 5 second update gt 1 minute Sky Condition 100 feet 24 minutes
85. te This is set from the primary station s Maintenance Menu The date should be set to the UTC date Time Displays the current system time This is also set from the primary station s Maintenance Menu and should be set to UTC time Airport ID Displays the three or four character airport identification code Sensor Displays Immediately below the system information line showing date time airport name and active runway are the sen sor data windows Each window contains the sensor data for a specific weather parameter or set of parameters Wind speed and direction for instance are found within the Wind data window Wind Values for wind speed direction gust and variable di rection are shown in the wind window Wind direction and variable direction are shown in degrees magnetic wind speed and gust are shown in knots Visibility Visibility is measured by the forward scatter visibility sen sor and is reported in statute miles Present Weather The present weather sensor discriminates between dif ferent types of precipitation and calculates the rate of pre cipitation The possible precipitations types that may be shown in the display are Light Drizzle Moderate Drizzle Heavy Drizzle Light Rain Moderate Rain Heavy Rain Light Precipitation AUTOMATED WEATHER OBSERVING SYSTEM Q MAIN DisPLAY Moderate Precipitation Heavy Precipitation Light Snow Moderate Snow Heavy Snow Freezing Drizzle Freezing R
86. uration jumpers Request is ignored b If error occurs frequently contact Field Service ERROR 53 54 Communications Buffer DCP Message error will clear once processed Overload Excessive noise on communication lines check wiring b If error occurs frequently contact Field Service User s Manual Table 5 cont Thunderstorm Lightning sensor status codes AUTOMATED WEATHER OBSERVING SYSTEM MAINTENANCE MENU Freezing Rain Sensor Commands and Responses Command Description Command Response ZPS 40000 Z Sensor ID P Status P F D P Pass F Fail D Deice S Status Descriptor Okay blank 1 Probe Failure 2 Deicing Failure 3 Electronics Failure 40000 frequency in Hz Send Routine Data 21 Z3XX XX 01 60 secs 250 Perform Deice Cycle ZF2 Z Sensor ID F Status P F D P Pass Fail Z4 D Deice 2 Status Descriptor Okay blank 1 Probe Failure 2 Deicing Failure 3 Electronics ZPS40000 Z Sensor ID P Status P F D P Pass F Fail D Deice S Status Descriptor Okay blank 1 Failure 2 Deicing Failure 3 Electronics Failure 40000 Calibration frequency Perform Extended Diagnostics Field Calibration F5 Table 6 Freezing Rain Sensor commands and responses with status codes AUTOMATED WEATHER OBSERVING SYSTEM User s Manual MAINTENANCE MENU
87. ure at the actual elevation of the sensor Hz Station Elevation Hp The officially designated height above mean sea level to which station pressure Ps pertains Hp is the same as for Ha for AWOS airport installations AUTOMATED WEATHER OBSERVING SYSTEM AWOS Basics Ceiling S ky Condition Ceiling and sky condition are determined from sensor outputs at least every 30 seconds integrated over a 30 minute sample period A weighting scheme is employed for data collected during the last 10 minutes of the 30 minute sample period to make the algorithm more re sponsivetorapid changes in ceiling sky conditions Heights are reported in hundreds of feet for example 30 repre sents a height of 3000 feet Visibility Visibility is aten minute average calculated each minute from sensor readings taken at ten second intervals The visibility sensor also performs self checks of communi cations window condition and a number of operational functions and reports any errors in its status word s Variable Visibility Variable visibility is based on visibility readings and is only reported if visibility is 3 miles and the difference between the maximum and minimum visibility values mea sured in the last ten minutes is greater than one half mile Rainfall Accumulation Rainfall accumulation shows the amount of rainfall in 0 01 increments measured during the past hour This value is updated every five seconds and is reset to
88. ust 2008
89. uter and the receiver located at the desired use location LONGVIEW LONGVIEW Each of the two units have their own power supply and are connected to each other through a standard CATS or better patch cord up to 500 feet apart Both units can have a keyboard mouse monitor and microphone connected Each set can access the CDP and both moni tors will show the same display The DIPswitch on the back and the selector switch on the front of the transmit ter module should be left in their default position Refer to the manual provided with the KVM extender mod ules for more information on the switch settings 1 Install the System Unit PC in alocation where convenient access to power and to the neces sary communication links is available 2 Connectthe DB25 end ofthe cable provided with the transmitter module of the KVM to the input connector on the back of the transmitter module 3 The CDP monitor can be installed on its in cluded desktop stand or mounted to a wall using the M488297 00 wall mount kit Follow the instructions included with the kit to install the User s Manual INSTALLATION 8 9 wall bracket and monitor A 35 monitor extension cable is included in the kit for installa tions where the monitor is located away from the CDP Connect the Monitor to the monitor connector on the back of the transmitter unit Connect the monitor connector on the DB25 cable to the monitor port on the back of the System Un
90. va tions are updated on a minute by minute basis There is no weather observer input to the AWOS However a manual observing capability may be maintained as back up provided that an agreement with the National Weather Service NWS to maintain a manual observing capabil ity exists To operate the AWOS in Mode 1 select NORMAL AUTOMATIC mode on the Voice Output Control Menu Mode 2 Full Time Automated Operation with Local Notice to Airmen NOTAM Operation in this mode is the same as Mode 1 with the addition of the capability to append a manually recorded NOTAM to the automated voice reports The airport manager is responsible for the information The NOTAM information is heard on the local voice broad cast it is not transmitted longline There is no weather observer input To operate the AWOS in Mode 2 select NORMAL AUTOMATIC mode on the Voice Output Control Menu and enter a voice remark using the Voice Control Menu AUTOMATED WEATHER OBSERVING SYSTEM Q Mode 3 Full Time Automated Operation with Manual Weather Augmentation and Local NOTAM Option Operation in this mode provides the capability for a weather observer to manually augment the automated observation by appending a weather entry to the obser vation during the published weather observer duty hours The observer duty hours should be published in the Air port Facility Directory The addition of a local NOTAM is also permitted in this mode of o
91. witch the mode switch to ATIS Verify the ATIS audio is heard over the VHF radio Verify the ATIS audio is heard overthe telephone modem AUTOMATED WEATHER OBSERVING SYSTEM Assembly This section explains how to assemble and configure a Model 20901 System Unit Model 20909 Peripheral In terface and Model 2091 Remote Display for use in a 900 Series AWOS These procedures are normally per formed at All Weather Inc prior to system integration but are included for use during servicing of the system Use caution in performing all of the following procedures to prevent damage to the equipment due to electrostatic discharge Work should only be performed by qualified service personnel in a suitable environment Model 20901 System UnitAssembly and Configuration This section explains how to assemble and configure a Model 20901 System Unit for use in a900 Series AWOS and how to install new software or hardware in the sys tem unit This procedure is normally performed at All Weather Inc prior to system integration but is included for use during servicing of the system unit Unpack and identify the following components 20901 central processor unit Pentium 133 or higher 16 Mb ram or more 1 2 GB hard disk or greater 3 5 floppy drive 4 free ISA slots 2 serial ports 1 parallel printer port M482179 00 monitor M406060 2 button PS2 mouse M406059 keyboard with PS2 connector M406061 mouse pad 20904 speakers 20906 microph
92. zero at five seconds past the hour Present Weather optional Present weather data is averaged over a one minute pe riod by the present weather sensor and is updated every one minute The type of precipitation detected Rain Drizzle Snow is reported as explained in the Sensor Displays section of this manual Rainfall rate is deter mined from the type and concentration of the detected precipitation and is updated every one minute If a present weather sensor a visibility sensor installed and reporting properly the following will be re ported when the present weather sensor is reporting PRECIPITATION HAZE Visibility 7 smand dew point depression gt 4 MIST Visibility gt 1 2 sm and 7 sm and dew point depression lt 4 F User s Manual AWOS Basics FOG Visibility lt 1 2 sm dew point depres sion and temperature gt 32 F FREEZING FOG Visibility X1 2sm dew point depres sion and temperature lt 32 F Note In order for the Present Weather sensor 5 rain fall rate value to be displayed the Rain Gauge op tion must be turned ON through the Sensors ON OFF menu found on Maintenance Menu This option must be ON whether or not a separate rain gauge is installed Freezing Rain Detection With the addition of a Model 6495 Freezing Rain Sen sor the AWOS Present Weather field can incorporate freezing rain detection The Freezing Rain Sensoris polled once per minu

AWOS - AllWeatherInc

Contents

Download Pdf Manuals

Related Search

Related Contents