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AWOS Operations and Maintenance Manual

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1. 2 90 51 CalibEdtOU C VOL TO Woo err 3 3 3 2 PWD Functional Check Calibration ALITSE ON em AME Dede 25265 a 3 4 PREVENTIVE MAINTENANCE PROCEDURES 3 4 1 Obstruction Debris 342 ui 2 ecu S EA RI VAA 3 4 31 Window Cleaning Procedures IPEA 3 4 3 2 Checking the Door Gasket 3 4 3 3 Battery 1 3 44 Present Weather 3 4 41 Window Cleaning 3 442 RAINCAP Cleaning Procedures
2. PE AED ASLAN OOM 4 5 Fe TVA T tato MAUA SN MEE OV es a m JAMN NA Reach AS Cae 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 4 6 RETT ec RD 44 AOL 44 4 02 45 4 7 45 dtd ROO onse 45 CE EE 46 4 8 pDCLU BATTERY seas ee ieee 47 ERREUR 47 47 49 FDCUZENO 3200 47 REMOVA NECESITE 47 EC TANGU NO mm 46 za WA AA MED PER rU Ker 49 4 10 1 EO WA
3. PE E 66 Ju OMIT OL CIA tarte c aun E ot p 67 DRUG CT SUOMI DIRE 67 page xii 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SdvesParameters TO EEPROM 68 C Ree ea REA er RA 68 SENE Dor oT m 66 IIA PFU COMEL O EERE O T E ENO Ls 68 Sr zT 66 II AWA DMI WE ERROR 69 5 5 10 ISDN AI 69 5 5 11 Display Relay aua ARS coeant 69 2 244 2 TOS CUETO SA TON D 69 5 6 EROGRA MI eas sendy eee ORR ML RUNG II uL 70 5 7 CALIBRATION 74 5 8 MESSAGE 75 5 9 ACTIVETRUNMA YS WITC LII 5a 76 SECTION 6 Parts LISC uade NH vc Pede di aee UE deis eve cei ovv 77 6 1 AE 77 6 2
4. eerte ertet tette 3 4 4 3 Window Cleaniga Neu 3 45 AT RH ME dE 3 4 6 Wind Senga a MEE o oor EH E eed eed p EB wamama eed ide 3 4 61 SAT D ala erc Du UP MEME E c M M E odo seneral C teh 24625 Pareme Loo Piles scsi SECTION 4 Component Removal and Installation Procedures e eeeeeeer 4 1 EINTRODUCTIONJ2S tae oe ee DD Dl due LE the Be 4 2 WIND INS OUR pes gta ace 421 Removal 422 DIURNO ADS MandsensorzAl orient DI 4 3 AMBIENT TEMPERATURE RELATIVE HUMIDITY AT RH SENSOR 22 4000402000 ORO nete fM LL IN MM 4 4 PRESENT WEATHER DOB TE CT OR
5. redu i 67 FIGURE S 12 VERSION 67 FIGURE 53135 SENSOR DE Cua ot dues esatta 68 FIGUR o A LIGHTER VE 75 FIGURE 59 15 ACTIVE RUNW AX SWITCH mi eb M IMEEM Ld LEE 76 page xiv 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 LIST OF TABLES TABLE 1 1 OUTDOOR EQUIPMENT POWER REQUIREMENTS csccssccsccsccsscssesccescesscessesccescesccessesseesees 16 TABLE 1 2 INDOOR EQUIPMENT POWER REQUIREMENTS 0 0 2 ese se neri enne 16 WIND SENSOR SPECIFICATION DAT 18 TABLE 2 2 A VRH SENSOR SPECIFICATION DATA 19 TABLE 7 32 W tte bete god done 19 TABLE 2 4 CEILOMETER SPECIFICATION DATA 2 000 25 06010000 00 0000 000 ese esa sese esa sse 20 TABLE 2 5 CEILOMETER CL31 MECHANICAL SPECIFICATIONS cese eee hene nennen eser nnne 21 TABLE 2 6 BAROMETER SPECIFICATION 0 0 660000 22 TABLE 2 7 SENSOR FDCU DATA SPECIFICATION
6. 49 4 10 2 VISION 49 TIL ii 50 4 11 1 T C211 17017 ETE 50 4 11 2 LL Aiii E I 51 412 FDCU BATTERY CHARGER P52 eee EE aee 51 4 12 1 ReniOYdl ee E 51 4 12 2 Testa lla o acce 6 52 4 13 FDCU 5 04 fli ERA 52 4 13 1 ee 32 4 13 2 Installation iiic E 53 4 14 KEDCU SIGHT GLASS AND 53 4 14 1 Removal AWA oS unde 53 4 14 2 Installation an O 54 4 15 FDCU PRESSURE POR TRB 54 4 15 1 WA dom 54 4 15 2 Installati gg WEBBER WP nnnm nnn nnn nnn n nnn nnn nnn nnn nnne 55 4 16 DPU SERVEMA LAE 55 4 16 1 Eaa a O NEEE NOA 55 4 16 2 INSTAL A
7. 1 6 Summary of Equipment Power Requirements Table 1 1 Outdoor Equipment Power Requirements FDCU 120 Vac 3000W Table 1 2 Indoor Equipment Power Requirements RLIM 120Vac 30W DPU 120 Vac 2000W page 16 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SECTION 2 THEORY OF OPERATION 2 1 Introduction This section provides detailed information about the AWOS components and their interactions 2 2 System Signal and Data Flow FDCU Enclosure AT RH Server ZENO Wind Sensor Barometers HF HF SSEM Modem Modem Ceilometer Present Weather Detector Figure 2 1 AWOS Signal Flow Diagram 23 Sensors The AWOS uses COTS sensors A brief description of each sensor including sensor specifications 1s provided in the following sections 2 3 1 Wind Sensor The wind sensor measures both horizontal wind speed and wind direction The wind sensor is mounted at the top of a 10 m tower so that disturbance from ground objects is minimized The wind sensor has an array of four equally spaced transducers in a horizontal plane used to determine horizontal wind speed and direction The measurement principle is based on transit time the time it takes for the ultrasound to travel from one transducer to an
8. 5 0 0000 6 60 23 TABLE 3 1 SCHEDULED MAINTENANCE INTERVALS SUMMARY 5 27 TABLE 3 2 SPECIAL TOOLS AND SUPPORT EQUIPMENT 28 TABLEOsSS GENERAE PURPOSE TOOLS lt 28 TABLE 322 lt lt CONSUMABLE ITEM Sarona o eo C Ueto oix 29 TABLE 6 1 DPU PARTS MIS A iB oc 78 TABLE 6 2 PRESENT WEATHER SENSOR PARTS 15 02 2 22 6 78 TABLE 6 3 CEILOMETER PARTS 18 diffs 78 TABLE 6 4 AT RH SENSOR PARTS LIST Ead e Rene 78 TABLE 6 5 RAIN GAUGE PARTS LIST 4227 WA 79 TABLE 6 6 LIGHTNING SENSOR PARTS 4 7 79 TABLE 6 7 VISIBILITY SENSOR PARTS LIST 79 TABLE 6 8 SOLAR RADIATION SENSOR PARTS 1167 02 400000000 0 0 79 TABLE 6 9 WIND SENSOR PARTS LIST VB EA 79 TABLE 6 10 RLIM PARTS LIST LLore
9. 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 The PWD22 detects the presence or absence of precipitation The PWD22 uses an infrared LED as a light source Two photo detector sensors detect and analyze the measured scintillation produced when precipitation falls through the light beam This scintillation analysis then determines precipitation occurrence type and intensity sensor present weather report 2 3 4 Ceilometer The ceilometer is a Vaisala CL31 The Vaisala CL31 Laser Ceilometer is a general purpose cloud height sensor employing LIDAR technology for detection of clouds precipitation and other obstructions to vision The CL31 provides reliable determination of cloud height up to 25 000 feet 7 5 km thus covering most heights where dense clouds appear The CL31 is capable of reporting up to three cloud layers simultaneously It detects the cloud base reliably also in fog rain snow and haze In case the cloud base is obscured the CL31 measures and reports the vertical visibility The laser meets Class 1 laser product eye safe Class IM IEC EN 60825 1 Table 2 4 Ceilometer Specification Data Property Description Value At nominal line voltage 230 V Power consumption typical Window conditioner heater page 20 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 45 65 Hz Type Binder series 693 09
10. 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Table 6 10 Parts List Item Part Number Description 29 1201 130 073 FASSY RLIM CURRENT SENSOR 30 2150 000 043 MODEM FO SM 1310NM TERM RS232 115V 31 4050 000 104 POWER SUPPLY SW 30W 85 265IN 15V 22A Table 6 11 FDCU Parts List Item Part Number Description 32 2930 000 464 SENSOR BARO RMY 0 5 500 1100 0 3MB 33 2531 000 031 PRESSURE PORT 34 2531 130 002 ASSY DESICCANT AND FIXTURES 35 1220 000 002 SASSY SIGHT GLASS DESICCANT TRAP 36 1602 000 011 lt SILICA GEL INDICATING GRANULES 37 3315 000 030 TUBING SILICONE 1 8ID 1 4OD 50D RED 38 6003 153 006 CABLE AWOS AC POWER FDCU 220VAC 39 2150 000 043 MODEM FO SM 1310NM TERM RS232 115 40 4302 000 006 FUSE SLOW 1 X 250V SAMP 4 4302 000 109 FUSE SLOW 1 4 X 250V 2 5AMP 42 4301 000 201 FUSE SLOW 1 X 14 250V LAMP 43 1602 000 033 DESICCANT 1 6 UNIT SILICA GEL 44 3903 000 035 BATT LEAD ACID 34AH DEEP CYCLE SEALED 45 1220 144 001 ASSY AWOS ZENO 3200A 46 1220 144 002 ASSY AWOS SSEM 47 1201 116 177 FASSY 73200 4 20A CHARGER 14 20VIN 48 4050 000 066 POWER SUPPLY SW 14 5V 20A OUT 40 page 80 2010 COASTAL ENVIRONMENTAL SYSTEMS INC
11. Operations and Maintenance Manual for Aviation Weather Observing Stations AWOS Version 1 0 June 19 2010 Submitted by COASTAL ENVIRONMENTAL SYSTEMS INC 820 First Avenue South Seattle Washington 98134 206 682 6048 www coastalenvironmental com AWOS Operations Maintenance Manual Version 1 0 Intentionally blank page ii 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 ARRANGEMENT OF MANUAL SAFETY AWARENESS EQUIPMENT RETURN PROCEDURES REVISIONS CONVENTIONS USED WARNINGS CAUTIONS AND NOTES REFERENCES TABLE OF CONTENTS Chapter 1 System Overview provides a brief overview of the AWOS components Chapter 2 Theory of Operation describes the AWOS components in detail and analysis of major functions including signal flow and theory of operation Chapter 3 Maintenance provides recommended procedures for repairing and maintaining the AWOS suggested maintenance intervals functional test procedures and a listing of special tools and support equipment Chapter 4 Component Removal and Replacement Procedures provides detailed removal and replacement installation instructions Chapter 5 RLIM provides information about the Runway Lighting Intensity Monitor Chapter 6 Parts List provides repair part information Appendix A Drawings and Schematics includes system schematics mechanical drawings and wiring Appendix B COTS Sensor
12. N N page 72 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 Sensor 5 Location E C A N N 6 Sensor 6 Location E C A N N 7 Sensor 7 Location E C A N N 8 Sensor 8 Location E C A N N After setup gt L Control Loops Menu Cn m Change Item n to Value m Q Quit M Main Menu S System Menu gt Sensor Sensor Sensor Sensor Sensor Sensor Sensor Sensor RL18 RL12 RL18 RL18 12 12 gt gt gt gt m 7 E Save Parameters EEPROM D Diagnostic Menu 1 Sensor Location C A E 2 Sensor 2 Location E C A N E 3 Sensor 3 Location E C A N A 4 Sensor 4 Location C A A 5 Sensor 5 Location E C A A 6 Sensor 6 Location E C AN A 7 Sensor 7 Location E C A N N 8 Sensor 8 Location E C A N N 796 5 000 000 000 000 000 0 0 000 Press ENTER to continue 2010 COASTAL ENVIRONMENTAL SYSTEMS INC page 73 Jel AWOS Operations and Maintenance Manual Version 1 0 Calibration Gn Set Levels for Sensor n This menu is where the RLIM is calibrated to the light levels used Every lighting system is unique and this provides a method of configuring the RLIM to the needs of the location Calibration is achieved by querying the sensor at each light intensity level Recording the value received in the corresponding f
13. Sensor Value page 68 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 5 5 9 5 5 10 5 5 11 33 12 AWOS Operations and Maintenance Manual Version 1 0 Raw A D Values R Raw A D Values are the A D values that the RLIM uses to compute light settings and are for factory use only Bit Messages B Bit Messages Returns all active bite messages to the terminal display If there are no active bit messages the message No BIT Message is returned Some of the bit messages that can be generated are listed below Low AC Voltage ARS Err Both high ARS Err Both low ARL Err Both off ARL Err Both on Display Relay and ARS Bits Y Display Relay and ARS Bits menu is not used Reset to factory Defaults F Reset to factory Defaults sets the RLIM back to a known default state This is used when the RLIM configuration is corrupted or needs to be reprogrammed and a known state must be verified page 69 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 6 Programming Programming the RLIM is essential for correct data flow to the server The serial RS232 connection using the maintenance port is setup by selecting 9600 baud 8 N 1 no flow control The DB9 female connector of the RLIM maintenance port will connect with a PC serial port using a straight serial DB9F to DB9M extension cable Cn m Change Item n to Value m command This is the command line syntax to make
14. e Generation of data display e System setup and configuration e Security to control access to system setup and displays e Archival of data and the ability to retrieve archived data The DPU is equipped with industry standard hardware and software interfaces At the hardware level the interfaces include RS 232 ports and Ethernet ports The Ethernet NIC connects to CATS cable At the software level the Aviation Intercept M supports TCP IP PPP and ANSI among many other protocols The AI application and the Operating System are used during system installation or modification to configure the ports and route information as required The AI can connect to a variety of communication links and protocols The physical data link and transport layers of the OSI model are integral parts of the AI hardware and software Data and algorithm values can be viewed remotely in real time delayed only by the communications transport media Data can be asynchronous and synchronous 2 6 Software The system software consists of firmware running on the FDCU and application software running on the DPU The DPU software includes a data recorder database algorithms graphical user interface and a communication module for sending messages Software running on the DPU is divided into two major categories communications and processing and storage The communications software can be run on the same CPU as the other applications or can be partitioned off on another CPU if
15. field pressure and SENSOR raw pressure Figure 1 5 gt R M Young Barometric Pressure Sensor 1 3 FDCU The Field Data Collection Unit FDCU is the outdoor component of the AWOS It contains data acquisition and processing equipment that sends polling signals to the sensors and receives data from the sensors performs processing and error checking then formats and passes the messages to the SSEM page 5 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 Figure 1 6 Inside the FDCU FDCU consists of a ZENO 3200 Datalogger a Serial Sensor Expansion Module SSEM various communications links and power supply circuitry in an aluminum enclosure The ZENO 3200 Datalogger is a general purpose datalogger that accepts and stores sensor data from the AT RH Sensor Pressure sensor and wind sensor It also checks alarms and control functions diagnostic inputs including ZENO 3200 Datalogger power monitor battery charger load voltage charge monitors FDCU DC power monitor and FDCU AC power failure The SSEM is a microcomputer that expands the capability of the ZENO 3200 Datalogger It accepts RS 232 serial data from the Present Weather Detector and Ceilometer It also accepts diagnostic data and data from the other sensors via the ZENO 3200 Datalogger 1 4 DPU The Data Processing Unit DPU consists of a Dell server monitor keyboard and mouse The DPU software includes
16. 1 3 A em 5 1 4 hc 6 15 GRAPHICAL USER INTERFACES GUD WE 7 B 1 5 1 Observer 7 7 1 5111 Lightning Total 7 8 1 5 1 2 User 9 11 Wie anti 12 5 2 b epi m RE EM TP 12 E322 UTE 13 Data DEDI y rete tarte LLL 14 boo Admon 15 1 6 SUMMARY OF EQUIPMENT POWER REQUIREMENTS 16 SECTION Z2 THEORY OE OPERATION 5924 17 2 1 TINT OD UC 17 2 2 SYSTEM SIGNAL AND DATA ter rear ee 17 2 3 S ANSOR 17 PAA KAA M LII ELLE N 17 2 3 2 Ambient Te
17. 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 0 00 23 0 00 geno raw r n Jgi18 095 12422 00 02 30 258 0 2 0 2 21 2 37 10086 0 00 00 03 geno rain_accum 4h 00 03 geno Timel 0921221 00 03 zeno Timez 59 00 03 zeno Bat 14 2 00 03 zeno Times 57 00 03 zeno rain accum 3 z 00 03 zeno wetat 0 00 03 09 03 zeno solar 1 00 03 zeno 0 00 03 zeno gust 0 2 00 03 zeno pressurel 1006 8 00 03 zeno pressured 1006 86 00 03 pressure 1006 98 00 03 zeno air temp 21 2 00 03 zeno dir 258 00 03 zeno ID 4018 00 03 zeno speed 0 2 00 03 zeno humidity 37 00 08 zeno rain accum 4h 00 08 zeno Timel 0981272 00 08 zeno Timez 00 00 08 zeno Bat 14 2 00 08 zeno Times 02 08 rain accum s0s 0 00 Figure 1 14 Raw Logs page 11 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 1 5 22 Maintenance GUI The Maintenance GUI is used by users with maintenance privileges to view system conditions and edit system settings 1 5 2 1 Aviation Dashboard Select the Aviation Dashboard tab to see a graphical display of the overall system status Green bubbles indicate normal condition Red bubbles indicate an alarm for that particular item Click on the icon to display a popup window that gives de
18. 4223 00 04 4 pin male Type Binder series 693 99 4222 70 04 female elbow 12 V Sealed Lead Acid Battery 2 Ah Low press filter VDR 1190 mm 47 1 4 in 12 kg 26 5 Ib 18 5 kg 41 Ib 1400 x 490 x 450 mm 55 x 19 1 4 x 17 3 4 in 52 kg 115 Ib 2 3 5 Barometer The RM Young 61302V Barometric Pressure Sensor is housed in the FDCU enclosure The data is sent to the ZENO where it is processed The system uses atmospheric pressure and site specific constants to compute altimeter setting The sensor is a versatile electronic barometer featuring high accuracy low power wide operating temperature range and a calibrated voltage output accuracy of 20 3 hPa rms is maintained over the entire specified operating pressure and temperature range Full scale voltage output 2 5V or 5V may be set to span any portion of the 500 to 1100 hPa operating range page 21 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 Table 2 6 Barometer Specification Data Operating temperature range 18 C to 80 C Operating pressure ranges 600 to 1100 hPa Output voltage 0 5 VDC Current consumption operating mode 8 mA 0 2 Watts 2 4 Field Data Collection Unit FDCU FDCU consists of a ZENO 3200 Datalogger a serial sensor expansion module SSEM a barometer various communications links and power supply circuitry in an aluminum enclosure The FDCU sends control and polli
19. FDCU AC power switch Open FDCU circuit breaker Cut cable ties securing cables to ZENO 3200 Datalogger ears Loosen ground screw at left edge of ZENO 3200 Datalogger and remove braided ground cable Loosen two captive screws on each of two ribbon cable connectors at top of ZENO 3200 Datalogger Tag and disconnect two ribbon cable connectors from 7 0 3200 Datalogger Tag and disconnect four header connectors from ZENO 3200 Datalogger Loosen four screws securing 7 0 3200 Datalogger to FDCU chassis Lift ZENO 3200 Datalogger such that keyholes in mounting ears clear screw heads and remove ZENO 3200 Datalogger Installation Position ZENO 3200 Datalogger on FDCU chassis such that keyholes and notches in ZENO 3200 Datalogger mounting ears are positioned over four screws FDCU chassis Tighten four screws to secure ZENO 3200 Datalogger Connect four header connectors to ZENO 3200 Datalogger Connect two ribbon cable connectors to ZENO 3200 Datalogger connectors and secure using two captive screws each Secure braided ground cable to ground connection at left edge of ZENO 3200 Datalogger and tighten ground screw Secure cables to ZENO 3200 Datalogger ears using cable ties Reconnect FDCU battery leads Close FDCU circuit breaker Turn on FDCU AC Power switch Remove used desiccant bag from FDCU enclosure Place fresh desiccant bag in FDCU enclosure Close FDCU enclosure cover and secure latches page 48 2
20. H stand such that the holes on the motor housing face down Secure sensor to stand using U bolts Connect sensor cable to FDCU Perform functional test Present Weather Detector Removal Disconnect Present Weather Detector cable from sensor Remove four bolts securing sensor mounting bracket and remove sensor Installation Position Present Weather Detector with receive lens facing north Secure sensor using mounting bracket and four bolts Connect signal cable to sensor Perform functional test Ceilometer Removal Turn battery switch inside the ceilometer to the off position Open circuit breaker to remove AC power from Ceilometer Disconnect Ceilometer signal cable from signal junction box on pedestal and pull cable out through port on junction box page 43 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 4 5 2 4 6 4 6 1 AWOS Operations and Maintenance Manual Version 1 0 Disconnect Ceilometer AC power cable from AC power junction box on pedestal and pull AC power cable out through port on junction box Remove ground strap from pedestal WARNING EXERCISE CAUTION WHEN HANDLING THE CEILOMETER IT WEIGHS OVER 60 POUNDS TWO PEOPLE MAY BE REQUIRED Remove four bolts securing Ceilometer to pedestal Installation WARNING EXERCISE CAUTION WHEN HANDLING THE CEILOMETER IT WEIGHS OVER 60 POUNDS TWO PEOPLE MAY BE REQUIRED Position Ceilometer on pedestal and secure using 4 bolts Connect ground
21. MAINTENANCE PARTS LIST 77 0 2 1 Part Number OG TT ae ee 022 OLAS COLI ee Tr alo eee 77 6 3 PARTS 57 78 APPENDIX DRAWINGS APPENDIX ED COTS MANUALS page xiii 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 LIST OF FIGURES FIGURE 1 1 GILL eats 2 FIGURE 1 2 AT RH SENSOR MOUNTED IN ASPIRATED 2 0 0 0 00000000000 nennen enne 3 FIGURE 1 3 VAISALA PWD22 PRESENT WEATHER DETECTOR 4 44000 0 0 0 4 FIGURE EST CBIDOMETER 4 1 a 4 FIGURE 1 5 R M YOUNG BAROMETRIC PRESSURE 5 5 4 0440 0 0 0 5 FIGURE 126 INSIDE THE FDC U sd ecce en n td RD a onto edet n 6 EIGURE I OBSERVBB OUT cete tot tte ei 7 8
22. P 9 FIGURE 1 10 USER PROEIBE WINDOW utes co cnc 9 FIGURE Te NIGHT S ENG 10 EIGUREJ 12 DAN SKN cst tare a 10 FIGURE USER LOGS S 11 FIGURE 1 14 RAW LOGS ex OR ee 11 FIGURE 1 15 MAINTENANCE DASHBOARD WITH PRESSURE WINDOW 12 FIGURE 1 16 AVIATION SETTINGS 6 13 FIGURE 1 17 5 14 FIGURE 1 18 USER ADMINISTRATION MT E 15 FIGURE 2 1 AWOS SIGNAL FLOW DIAGRAM c VE 9M 17 FIGURE 2 2 XSTREAM PKG R RF 2 tesa 25 FIGURE 2 3 PCTEL 15DB URL nnne 25 FIGURE 3 1 SUM L SUMMARY SCREEN TA WEB 30 FIGURE 3 2 SUM SUMMARY SARREN
23. a data collector a database algorithm processing a graphical user interface and a message engine for sending messages The DPU software runs on a Dell server running the Windows Server 2003 operating system The Communications Sub System CSS is built into the DPU software Communications components include the recorder that takes incoming data and passes it on to the appropriate handler and the messenger that sends out messages page 6 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 1 5 Graphical User Interfaces GUD There are three user types for AWOS that restrict access to certain screens The types are Observer Maintenance and Administrator 1 5 1 Observer GUI The Observer GUI shows the weather data and basic status information about each of the attached sensors The GUI also displays the most recent message sent from the system INTERCE I 07L 25R kts E 0 1 11 Winds Speed Wind Dir Speed Min Speed Min Timestamp kts deg deg 10 Minute 0 1 357 257 Sue Winds Speed Wind Dir CCW Variation windAlg gust_speed 2 a ee es Temperature 2 1 3 5 5 Air Temp Dewpoint Solar Radiation Pressure 1023 3 1023 3 3 Alti
24. calibrator plates to the lens hoods making sure transmitter plate mounts to transmitter lens and receiver plate mounts on receiver lens Refer to Figure 3 2 below Figure 3 3 Assembling the Opaque Glass Plates page 32 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 h Move away from the optical path and wait for 30 seconds i Type open lt enter gt j CHEC lt enter gt k After one minute read the displayed signal 1 If the difference is less than 5 from the values the calibrator plates calibration is correct Hit the ESC key to terminate followed by lt ctrl gt a both keys pressed simultaneously then g lt enter gt to exit chat mode If the value is not within 5 proceed to the next step m Type open lt enter gt n Type CAL calibrator signal value from value on glass plates enter For example CAL 485 PWD22 calculates a new scaling factor and stores it in the non volatile memory EEPROM Type open enter p Type CHEC enter to verify that the new scaling factor 15 in use The displayed signal value should be equal to the calibrator signal value If the difference between the new scaling factor and the factory calibrated one is more than 20 the CAL command will be ignored Check PWD22 and the calibrator for hardware or mechanical errors Also consult Vaisala q Terminate the CHEC command by pressing t
25. changes in this software C this tells the RLIM that you are going to make a change n this represents a number all possible user changes will be identified with a number inside of parenthesis ie 1 or 6 separates item to be changed and item to change to m this represent a value it can be alpha or numeric and is what your changing the n to Example To change 3 Runway 1 name RLIM to RLIS in the System menu Type C3 RLIS enter When multiple runways are to be monitored attention must be given to which sensors are assigned to each runway by the RLIM using the lt A gt Sensor Values menu Example Configuration lt S gt System menu is used to setup the RLIM to match the Runway configuration gt S System Menu Cn m Change Item n to Value m Q Quit M Main Menu E Save Parameters to EEPROM page 70 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 L Control Loops Menu D Diagnostic Menu 1 Input configuration O Output configuration Gn Set Levels for Sensor n 1 RLIM ARS identifier RLIM 2 Loop Sensor Type R C C 3 Runway 1 name RL18 4 Number of sensors 1 5 First position runway heading 18 6 Second position runway heading 36 7 Runway 2 name RL12 8 Number of sensors 1 9 First position runway heading 12 10 Second position runway heading 30 Item 1 RLIM ARS identifier RLIM Typical Item 2 Set to C
26. the communications requirements warrant it page 26 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SECTION 3 MAINTENANCE 3 1 Recommended Preventive Maintenance Schedule Normal scheduled maintenance intervals are shown in Table 3 1 NOTE In certain locations local conditions may warrant more frequent cleaning and corrosion control Table 3 1 Scheduled Maintenance Intervals Summary Days Equipment General Corrosion Functional Cleaning Control Performance 8 4 7 7 7 7 84 84 27 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 3 2 Support Equipment Tools and Consumable Items Table 3 2 Special Tools and Support Equipment Sensor Functional Tests Dell Inspiron 1501 or comparable model Sensor Functional Tests Radio Shack 26 117B Sensor Functional Tests TrippLite U209 000 R Wind Alignment Suunto KB 14 or equivalent Temperature Humidity Test Vaisala 70 M170 indicator and HM75b probe with carry case PWD22 PWD20 Vaisala PWAI1 Calibration Table 3 3 General Purpose Tools Rain Gauge Test Any page 28 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 Table 3 4 Consumable Items 5 Bag Desiccant minimum 1 1 3 ULINE p n S 5163 6 Desiccant Granule Indicating IMPAK p n 64
27. 0 60Hz single phase fused AC mains source provided by the host facility Maximum current consumption is less than 0 5 amperes The unit has no power switch so it cannot be accidentally turned off Switch off the AC power source at the breaker panel to de energize the RLIM Power input 100 240 VAC 50 60Hz Current input 0 5 Amperes max Programming port baud rate 9600 baud 8 N 1 Message port baud rate 9600 baud 8 N 1 Channels 1 8 current clamp 4 20 mADC Active Runway Switch ARS 12 VDC 5 4 Menu Structure The RLIM is configured using a menu structure which is accessible via the RS232 maintenance port on the processor CPU board Any ASCII terminal can be used to configure the RLIM 5 5 Main Menu The Main Menu provides access to the other menus All menu items can be activated from any submenus Therefore once the menu items have been memorized there is no need to use the submenus Main Menu S System Menu E Save Parameters to EEPROM L Control Loops Menu D Diagnostic Menu V Program Version Q Quit Figure 5 9 Main Menu page 65 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 5 5 1 System Menu AWOS Operations and Maintenance Manual Version 1 0 The S System Menu is where system wide configurations are entered You access this menu by typing S from the main menu System Menu Cn m Change Item n to Value m M Main Menu Lj Loops Control Menu I Input Configuration Gn Se
28. 010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 4 10 SSEM 4 10 1 Removal a Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed and so prolongs battery life b Disconnect FDCU battery leads c Turn off FDCU AC Power switch d Open FDCU circuit breaker e Rotate latch 1 4 turn and open FDCU left door CAUTION SSEM consists of two individual circuit boards attached to a bracket Boards are electrostatic discharge ESD sensitive f Disconnect communication link cable connector from SSEM g Tag and disconnect all cable connectors from SSEM h Remove four screws securing SSEM bracket to FDCU chassis and remove SSEM 4 10 2 Installation a Ensure ribbon cable that connects to right side of SSEM 15 properly positioned under SSEM bracket channel position SSEM on FDCU chassis and secure using four screws b Connect all cable connectors to SSEM c Connect communication link cable connector to SSEM d Close FDCU left door and rotate latch 1 4 turn to secure page 49 2010 COASTAL ENVIRONMENTAL SYSTEMS INC C 4 11 AWOS Operations and Maintenance Manual Version 1 0 Reconnect FDCU battery leads Close FDCU circuit breaker Turn on FDCU AC powe
29. 0AG05 7 Cable Ties 14 in UV Res TY527MX 3 3 Sensor Functional Performance Checks Sensor functional checks require viewing sensor data on a laptop computer This section describes how to set up a laptop computer for this purpose The remaining sections describe the sensor functional tests 3 3 1 Laptop Terminal Emulator Setup Support Equipment Required Cable DB 9F to DB 9M Computer Personal Laptop with terminal emulation software such as Hyper Terminal a Connect laptop to FDCU maintenance port inside FDCU using DB 9F to DB 9M cable With laptop running Windows select Start Programs Accessories Communications Hyper Terminal The Connection Description dialog box appears If not select Call Disconnect Connect and the Connection Description dialog box for a new Connection to appear b Type FDCU as the connection name select any icon and select OK c The Connect To dialog box appears In Connect Using the pull down list select Com 1 Com 2 Com 3 or Com 4 as appropriate and Select OK d The COM Properties dialog opens Set port settings to 115200 bits per second 8 data bits No Parity 1 Stop bit No Flow Control and Select OK e Press lt enter gt f At the password prompt type awos lt enter gt page 29 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Type sum enter A summary similar to Figure 3 1 will appear and continually
30. 80 Figure 5 2 Microprocessor Board page 58 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 5 1 3 Serial Programming Interface Port This standard RS232 interface is used to initially program the specific message output that the RLIM will generate in response to the input signals This port is not used during normal operations as programming occurs during initial installation and generally does not need to be configured again This port is provided on the Microprocessor board as a standard serial interface to any PC laptop or RS232 terminal device A common connection is established using a windows based laptop and windows HyperTerminal software configured to 9600 baud 8N1 A standard Serial DB9 male to female cable is required to communicate with the port Figure 5 3 Serial Programming Interface Port 5 1 4 Serial Communication Port This port provides a serial interface with a Modem Either twisted wire pairs or fiber optic cable carries messages related to the detected runway lighting levels and Active Runway Heading to the server for system processing page 59 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 5 1 5 Current Clamps The PCS series of current clamps are AC only current sensors that measure the RMS level of the current passing through the aperture These sensors provide electrical isol
31. AL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 1 5 2 3 Data Display Select the Data Display tab to create and edit user selected alerts for specific weather conditions INTERCEPT Aviation Dashboard Settings Data Display errs Condition Editor Alert Settings Alert ID E Alert text Confirmation Require confirmation ov Apply to All Stations Foreground m Background m Effect blink Conditions Type AND Figure 1 17 Alerts page 14 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 1 5 3 Administrator GUI The Administrator GUI allows users with administrator privileges to create and edit users of the system Observer Mamtenance 1 INTERCEPT User Administration Select a User to Edit Create New User admin feed observer maintenance User Defaults Console View Lock Password la Observer la Administrator Maintenance Technician Scent Save New User Tue Dec 22 22 22 18 2009 UTC Welcome admin Expand Teannfarrina dats fam 197 4CO 4776 Figure 1 18 User Administration page 15 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0
32. CU battery from supplying power to FDCU circuits when main AC power is removed b Disconnect FDCU battery leads page 54 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 4 15 2 gt pu cde 4 16 4 16 1 AWOS Operations Maintenance Manual Version 1 0 Turn off FDCU AC Power switch Open FDCU circuit breaker Disconnect tubing from pressure port fitting Loosen bottom feed through fitting securing pressure port on plug and remove pressure port Loosen top feed through fitting and remove plug and fitting from FDCU Installation Ensure pressure port is not blocked with dirt or debris and clean using water if necessary Position plug and top feed through fitting in FDCU and tighten fitting to secure Position bottom feed through fitting and pressure port on plug and tighten fitting to secure Inspect condition of tubing If brittle or cracked replace with new tubing cut to proper length Connect tubing to pressure port Reconnect FDCU battery leads Close FDCU circuit breaker Turn on FDCU AC Power switch Remove used desiccant bag from FDCU enclosure Place fresh desiccant bag in FDCU enclosure and date bag Close FDCU enclosure cover and secure latches DPU Server Removal Close all open applications on the server Click Start in the lower left corner of the screen Click Shutdown when options appear When pop up appears add comment then selec
33. Current Clamps Item 3 Match the Runway Heading eg RL18 Item 4 This will be set to 1 if monitoring Edge OR Center or set to 2 if monitoring Edge AND Center Item 5 Set to Primary runway heading Item 6 set to Runway rollout Heading For 2 runway monitoring set 7 10 else leave blank Item 7 Match the Runway Heading eg RL12 Item 8 This will be set to 1 if monitoring Edge OR Center or set to 2 if monitoring Edge AND Center Item 9 Set to Runway 2 Primary heading Item 10 Set to Runway 2 Rollout heading page 71 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Using the lt A gt Sensor Values command the RLIM will show which sensor it has assigned to each runway gt A Sensor 1 RLI8 E 796 5 Sensor 2 RLI2 0 0 Sensor 3 FREE N 0 0 Sensor 4 FREE N 0 0 Sensor 5 FREE N 0 0 Sensor 6 FREE N 0 0 Sensor 7 FREE N 0 0 Sensor 8 FREE N 0 0 Press ENTER to continue Using the L Control Loops menu command setup the sensors to the appropriate type E Edge C Center A Active Heading N None If PAPI lights are being monitored they require 2 sensors for each heading gt L Control Loops Menu Cn m Change Item n to Value m Q Quit M Main Menu E Save Parameters to EEPROM S System Menu D Diagnostic Menu 1 Sensor Location C A E 2 Sensor 2 Location E C A N N 3 Sensor 3 Location E C A N N 4 Sensor 4 Location E C A
34. Manuals provides COTS sensor manufacturer s manuals Aviation Intercept is 2004 2010 Coastal Environmental Systems Inc including all weather algorithms which resides on the AWOS server the FDCU operating system known as Zenosoft and all other ancillary software that is part of the FDCU and server software exclusive of other third party software page iii 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SAFETY AWARENESS ELECTRIC SHOCK RESCUE METHODS Alternating current tends to cause a person s muscles to contract often preventing him from letting go Voltages as low as 25 or 30 volts have been known to cause this muscle contraction by burning the skin and eliminating skin resistance When skin resistance is low current flows more readily and depending upon the duration of the electric contact the severity of electric shock is determined Therefore electrical accidents call for prompt intelligent action promptness if the victim 15 to be saved and intelligence if two casualties rather than one are to be avoided ACT AT ONCE DELAY OR INDECISION MAY BE FATAL l Remove source or casualty from electrical contact 2 Commence artificial respiration immediately 3 Treat for burns bleeding and shock REMOVING A CASUALTY FROM ELECTRICAL CONTACT Low voltage 0 to 240 volts Household use Switch off the current if possible and if time permits If th
35. NSOR CEILOMETER CL 31 230V AC 13 6003 144 020 CABLE AWOS FDCU TO JBOX CLOUD SIG 14 2150 000 043 MODEM FO SM 1310NM TERM RS232 115V Table 6 4 AT RH Sensor Parts List Item Part Number Description 15 1220 153 005 SENSOR AT RH ASPIRATED NO SW page 78 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Table 6 5 Rain Gauge Parts List Item Part Number Description 16 2930 000 438 SENSOR PRECIP TIPPING BUCKET 200MM 17 2109 000 163 CONN 26482 PLUG STRT 5POS 14 P SR Table 6 6 Lightning Sensor Parts List Item Part Number Description 18 1220 153 006 ASSY SENSOR LIGHTNING DET L3 WX 500 19 6003 150 002 CABLE ASSY LMOS LIGHTNING SENSOR 20 2109 000 831 CONN 26482 PLUG STRT 5POS 14 SW Table 6 7 Visibility Sensor Parts List Item Part Number Description 21 2930 000 444 SENSOR VISIBILITY PWD 20 W AMB LIGHT 22 6003 153 002 CABLE SENSOR FDCU TO VISIBILITY ALS 23 2109 000 139 CONN 26482 PLUG STRT 12POS 14 PW Table 6 8 Solar Radiation Sensor Parts List Item Part Number Description 24 2930 000 053 SENSOR SOLAR RAD PYRANOMETER 25 2109 000 163 CONN 26482 PLUG STRT SPOS 14 P SR Table 6 9 Wind Sensor Parts List Item Part Number Description 26 2930 000 321 SENSOR WIND S amp D ULTRASONIC H OPT 3 27 6003 153 001 CABLE WIND SONIC TO FDCU ANA SER 28 2109 000 108 CONN 26482 PLUG STRT 12POS 14 P page 79
36. Number of hours in use Nature of defect Return address Manufacturer Country of Manufacture Station Equipment Serial Number Date Installed page v 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 REVISIONS 1 0 Initial Release 6 18 2010 page vi 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 CONVENTIONS USED In this manual text or field names that appear on a computer display screen are indicated by bold type Text or commands that are entered into a computer via a keyboard are indicated by italic type Keyboard single stroke inputs are indicated by brackets such as enter or T gt page vii 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 WARNINGS CAUTIONS AND NOTES WARNING and CAUTION statements are strategically placed throughout this text prior to operating procedures practices and or conditions which are considered essential to ensure the protection of personnel WARNING or equipment and property CAUTION A WARNING or CAUTION will appear each time the related step is repeated Prior to starting any task the WARNINGS or CAUTIONS included in the text before the task shall be reviewed and understood a A warning identifies a procedural step that 1f not correctly followed will result in injury loss of life or destruct
37. Record Temperature Humidity Meter and laptop relative humidity field readings n Wait 2 minutes and repeat step m For inclement weather wait 15 minutes o Wait 2 more minutes and repeat step m For inclement weather wait 15 minutes p Average the three Temperature Humidity Meter readings and laptop relative humidity field readings q Compare average Temperature Humidity Meter reading to average laptop relative humidity field reading Difference should be less than 5 NOTE In cold weather it may take longer for the hand held meter to stabilize It might be beneficial to take a large rubber band or tape and attach the hand held meter to the sensor Perform other tests and return to the AT RH readings at a later time more than 15 minutes 3 3 5 Wind Sensor Support Equipment Required Cable DB 9F to DB 9M Computer Personal Laptop Standard Screwdriver Gill WindSonic Packing Box a Connect laptop to FDCU maintenance port and at the prompt type sum enter b Put the Gill WindSonic Packing Box over the wind sensor c Wait 30 seconds before performing the test to ensure that the wind speed average has stabilized d Ensure that the resultant wind speed output 1s zero page 34 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 3 3 6 Barometer Support Equipment Required Cable DB 9F to DB 9M Computer Personal Laptop Barometer Reference a Connect lapto
38. U left door and rotate latch 1 4 turn to secure Close FDCU right door and rotate latch 1 4 turn to secure Reconnect FDCU battery leads Close FDCU circuit breaker Turn on FDCU AC Power switch Remove used desiccant bag from FDCU enclosure Place fresh desiccant bag in FDCU enclosure and date bags Close FDCU enclosure cover and secure latches FDCU Battery Charger PS2 Removal Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed b Disconnect FDCU battery leads c Turn off FDCU AC Power switch d Open FDCU circuit breaker e Rotate latch 1 4 turn and open FDCU right door f Tag and disconnect wires from battery charger terminals page 51 2010 COASTAL ENVIRONMENTAL SYSTEMS INC B AWOS Operations and Maintenance Manual Version 1 0 Remove four screws securing battery charger to FDCU enclosure and remove battery charger 4 12 2 Installation o mh E 4 13 4 13 1 a b Position battery charger in FDCU enclosure and secure using four screws Connect wires to battery charger terminals Close FDCU right door and rotate latch 1 4 turn to secure Reconnect FDCU battery leads Close FDCU circuit breaker Turn on FDCU AC Power switch Remove used desiccant bag from FDCU enclo
39. User Profile User Profile Edit profile Change User Password New Password First Name Last Name Username Email Default View Skin Figure 1 10 User Profile Window page 9 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 INTERCEPT Coastal Environmental User Records 25R 2 Minute Winds 10 Minute Winds Temperature Pressure Visibility Runway Help Tower Air Temp Altimeter 1 Minute Vis Touchdown Wind Dir Wind Dir Dewpoint 10 Minute Vis Rollout Maintenance Speed Min Speed Min Timestamp CCW Variation CW Variation windAlg gust_speed 2 Humidity Solar Radiation Sensor 10 Min Min Vis Ambient Light 10 Min Max Vis Center Figure 1 11 Night Skin Administrator Ise Records Help server INTERCEPT 07L 225 u mu m ps 0501 1 o Winds Speed Wind Dir Speed Min Speed Min Timestamp kts deg deg 10 Minute 0 1 357 257 46 Winds Speed Wind Dir CCW Variation CW Variation windAlg gust_speed 2 ec ec Temperature 21 3 5 5 35 1 Dewpoint Humidity Solar Radiation mb mb mb Pressure 1023 4 1023 3 1023 3 A
40. YSTEMS INC AWOS Operations Maintenance Manual Version 1 0 TABLE OF CONTENTS ARRANGEMENT OE MANUA ill SAFETY AWARENESS iv 55259595 a DR VIDE REVISION S EE CONVENTIONS USE 225 t Vil WARNINGS CAUTIONS AND NOTES Reb EN ERU viii REFERENC bn da itc qd vea ix x BIGURBE S uere EHE E RC xiv SECTION 1 System 1 INTRODUCTION aaa cod ves poeta 1 1 2 SENSORS a OM a MEINE EE Ei c ocn 2 1 2 1 Wind Sensor E eoo 2 1 2 2 Ambient Temperature Relative Humidity AT RH 5 1 2 3 Present Weather 4 EZ 4 72 92 IAM 5
41. and suspect module field equals None f Type CLOSE to exit out of the CEILO gt command prompt Key lt ctrl a gt 4 enter to exit out of sensor chat At the prompt type sum h lt enter gt h Note values from CloudB1 CloudB2 and VertVis fields from the SSEM summary screen i Wait 2 4 minutes type sum 1 enter and the values should change if clouds are being detected j Turn off the ceilometer battery power switch wait two minutes and verify the ceilometer battery failure message 15 present in the summary screen k Turn on the ceilometer battery power switch wait two minutes and verify the ceilometer battery failure message is no longer present l Repeat steps k and I substituting the Main power switch for the battery power switch m Key lt ctrl c gt to return to the SSEM prompt n Close ceilometer electronics housing door close ceilometer front access door 3 3 3 Present Weather Detector Support Equipment Required Cable DB 9F to DB 9M Computer Personal Laptop 11 Calibration Kit Standard Screwdriver 3 3 3 Calibration Overview PWD22 has been calibrated at the factory and needs no recalibration if the circuit boards are not changed and there are no warnings or alarms If any mechanical damage changes or weakens the optical measurement path the PWD22 must be replaced If the receiver unit PWC22 or transmitter unit PWTII is replaced both visibility and contamination measurements need r
42. ation between the light loop circuit being measured and the output These sensors are clamped around the out going supply cables that run directly to the airfield lights being monitored They detect the amount of current flowing though cable and output a DC current 4 20mA proportional to the sensed current Figure 5 4 Current Clamp page 60 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 5 1 6 Input Output The Current Clamp inputs are channels 1 8 Channel 9 amp 10 are not used They are configured to receive a 4 20mADC signal These inputs are programmed during installation the procedure is found in section 7 later in this manual The Active Runway Switch input is a RJ45 jack and is monitoring pins 1 amp 2 for runway 1 and 7 amp 8 for runway 2 The input detects a voltage polarity across the pins Figure 5 5 Input Output Terminals page 61 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 5 1 7 Active Runway Switch The Active Runway Switch or ARS interface is used when the active runway cannot be automatically detected The input is from a switch mounted in the ATCT and is physically switched by the tower personnel The switch inverts the polarity of the 12 VDC signal depending on the position it is in It is connected to the RLIM via one unconditioned twisted copper telephone pair The polarity o
43. attery is completely discharged Do not store empty batteries in freezing temperatures Replace the battery if signs of mechanical rupture are observed NOTE When disposing of old batteries be sure to follow local environmental regulations page 36 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 3 4 4 Present Weather Detector Support Equipment Required Cable DB 9F to DB 9M Computer Personal Laptop Standard Screwdriver Material Required Cloth Cotton Lint free Isopropyl alcohol 3 4 4 1 Window Cleaning Procedures 1 Moisten a soft lint free cloth with isopropyl alcohol and wipe the lenses Be careful not to scratch the lens surfaces Lenses should dry indicating that the lens heating is functioning 2 Check that the hoods and lenses are free of condensed water or ice and snow deposits 3 Wipe the dust from the inner and outer surfaces of the hoods 4 After the optical surfaces are properly cleaned give the CLEAN command 3 4 4 2 RAINCAP Cleaning Procedures Material Required Cloth Cotton Lint free Mild detergent w water CAUTION To ensure proper ESD protection of the RAINCAP electronics ground your hand first by touching grounded metallic parts of the installation to remove static charges from your body a Check that the RAINCAP is free of ice and snow deposits b Clean the RAINCAP with a soft lint free cloth moistened with mild detergent b
44. cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This process prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed page 45 2010 COASTAL ENVIRONMENTAL SYSTEMS INC mh h 4 7 2 B 09 C AWOS Operations and Maintenance Manual Version 1 0 Disconnect battery leads Turn off FDCU AC Power switch Open FDCU circuit breaker Remove battery from FDCU Tag and disconnect all external cables connected to FDCU connectors Loosen ground lug and remove ground strap from FDCU WARNING EXERCISE CAUTION WHEN HANDLING THE FDCU IT WEIGHS APPROXIMATELY 60 POUNDS TWO PEOPLE MAY BE REQUIRED Remove four bolts nuts and washers securing FDCU to stand and remove FDCU WARNING Installation EXERCISE CAUTION WHEN HANDLING THE FDCU IT WEIGHS APPROXIMATELY 60 POUNDS TWO PEOPLE MAY BE REQUIRED Position FDCU enclosure on cross members on stand Secure FDCU enclosure to rails using four bolts nuts and washers Attach ground strap to FDCU ground lug and tighten screw Connect external cables to FDCU connectors Loosen FDCU enclosure cover latches and open cover If FDCU was replaced connect communication links and cables retained during FDCU removal Position battery battery tray and reconnect FDCU battery leads Close FDCU circuit breaker and turn on FDCU AC p
45. disconnect cable from bottom of sensor 4 2 2 Installation a Route the Wind Sensor signal cable through the Wind Sensor adapter b Mount adapter to tower c Plug Wind Sensor signal cable into the bottom of the Wind Sensor d Mount Wind Sensor to Wind Sensor adapter and secure using screws e Align Wind Sensor to north see alignment procedure f Perform functional test 4 2 3 Wind Sensor Alignment Procedure a Loosen the mounting screws on the wind sensor b Using a compass align the north markings on the wind sensor with north c Tighten the mounting screws page 41 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 Measurement Plane 163 mm 3 equally spaced mounting holes ar TOWS North alignment notch Support tube Use hole in 1 75 ins 44 45 mm dia support tube to x 4 wall secure cable fitted with 3 mounting with Tyrap holes tapped 8 Figure 4 1 North Markings on Wind Sensor 4 3 Ambient Temperature Relative Humidity AT RH Sensor 4 3 1 Removal a Disconnect AT RH sensor cable from FDCU b Remove U bolts securing AT RH Sensor to stand and remove AT RH Sensor page 42 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 4 3 2 p m 4 4 4 4 1 4 4 2 QU UEM um 4 5 4 5 AWOS Operations and Maintenance Manual Version 1 0 Installation Position AT RH Sensor on
46. down breakdown of maintenance related parts for the assembly The parts lists contain all parts coded for replacement at the applicable maintenance level all parts that must be removed disconnected or handled to gain access to replaceable parts and all assembly part numbers required to show relationship indenture to their next higher assemblies 6 2 1 Part Number Column This column lists the Coastal part numbers for each part 0 2 2 Description Column This column lists the item names and modifiers required to adequately identify the parts page 77 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 6 3 Parts List Table 6 1 DPU Parts List Item Part Number Description 1 2025 000 075 COMPUTER SERVER DELL T 105 2 1201 130 033 UNINTERRUPTIBLE POWER SUPPLY 3 2025 000 076 MONITOR COMPUTER 22INCH 4 6016 000 030 CORD POWER 220 W C13 CONN UK 5 2070 000 130 CARD PCI E SERIAL 4 PORT RS 232 DE 9 6 2070 000 130 CARD PCI E SERIAL 4 PORT RS 232 DE 9 7 2150 000 043 MODEM FO SM 1310NM TERM RS232 115V 8 4050 000 087 POWER SUPPLY 100 240VAC 12VDC 30W Table 6 2 Present Weather Sensor Parts List Item Part Number Description 9 2930 000 312 SENSOR PRESENT WEATHER PWD 22 10 6003 153 002 CABLE SENSOR FDCU TO VISIBILITY ALS 11 2109 000 139 CONN 26482 PLUG STRT 12POS 14 PW Table 6 3 Ceilometer Parts List Item Part Number Description 12 2930 000 460 SE
47. e switch cannot be located and the supply is through a flexible cord or cable the current may be shut off by removing the plug or even breaking the cable or wrenching it free Never attempt to shut off current by cutting cord with a knife or scissors If the current cannot be shut off the greatest care is necessary in removing the casualty household rubber gloves rubber or plastic water hose if there is no water present a dry unpainted stick or a clean dry rope can be used to free victim High voltage 240 volts and up industrial machines and power lines Do not touch any person or equipment in contact with a wire Use a dry unpainted pole clean dry rubber or plastic water hose to separate the person from the contact Keep as far away as possible and do not touch the person until he or she is free page iv 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 EQUIPMENT RETURN PROCEDURES All equipment being returned should be marked field return and addressed to Coastal Environmental Systems Inc 820 First Avenue South Seattle WA 98134 Attn Customer Service This will ensure proper attention to the request and will expedite the dispatch of replacements Please include Name of equipment system Type number of equipment system Serial number of equipment system Name of assembly Type number of assembly Serial number of assembly Name of part Part number
48. e the lenses Be careful not to scratch the lens surfaces Lenses should dry indicating that the lens heating is functioning 2 Check that the hoods and lenses are free of condensed water or ice and snow deposits 3 Wipe the dust from the inner and outer surfaces of the hoods 4 After the optical surfaces are properly cleaned give the CLEAN command page 38 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 3 4 7 FDCU Material Required Bag Desiccant minimum of 1 33 Screw driver flathead Desiccant Granule Indicating Tubing a Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This prevents the battery from supplying power to circuits and prolongs battery life b Disconnect battery leads Turn off FDCU AC Power switch d Open FDCU circuit breaker e At the bottom of FDCU cabinet inspect the pressure port assembly to ensure there is no foreign object or excessive moisture blocking the port opening Taian amv Fs 3200 Se eS LLL V pL a 1 is Fieure 3 4 FDCU Barometer and Desiccant Tra page 39 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 f Check color of desiccant in desiccant trap If blue desiccant is ok If BRIGHT pink re
49. ecalibration The calibration page 31 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 is checked and adjusted with the PWAI1 calibration kit The kit consists of a blocking plate and two opaque glass plates with known scatter properties The calibration procedure checks two points zero scatter signal and a very high scatter signal The zero signal 1s obtained using a blocking plate and the high signal using opaque glass plates When visibility measurement 15 calibrated visibility should be better than 500 meters Calibration is not recommended to be carried out in heavy rain or in bright sunshine However light rain does not matter 3 3 3 2 PWD Functional Check Calibration Clean the lenses according to paragraph 3 4 4 1 Also clean the opaque glass plates 1f necessary a Connect laptop to FDCU maintenance port per laptop terminal emulator procedures and at the prompt type chat visi lt enter gt b Place the blocking plate with foam in the receiver hood wait for 30 seconds c Type open lt enter gt NOTE After typing the open command a prompt gt appears If there is no activity for 90 seconds the prompt gt will disappear If this happens the open command must be typed again d Type ZERO enter PWD22 should answer as follows ZERO SIGNAL OK e Remove the blocking plate f Note signal value printed on glass calibrator plates Install the
50. eing careful not to scratch the surface page 37 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 3 4 4 3 Window Cleaning Procedures 3 4 5 1 Moisten a soft lint free cloth with isopropyl alcohol and wipe the lenses Be careful not to scratch the lens surfaces Lenses should dry indicating that the lens heating is functioning 2 Check that the hoods and lenses are free of condensed water or ice and snow deposits 3 Wipe the dust from the inner and outer surfaces of the hoods 4 After the optical surfaces are properly cleaned give the CLEAN command AT RH Sensor Material Required Cloth Cotton Lint free Detergent Mild If the radiation shield is coated with dirt film wash it thoroughly inside and out with solution of warm water and mild detergent If radiation shield 15 coated with oil film clean it using Isopropyl alcohol b Position radiation shield and probe cover on AT RH Sensor and screw probe cover onto sensor c Check shield mounting bolts for possible loosening from tower vibration Tighten bolts if necessary 3 4 0 Wind Sensor Material Required Cloth Cotton Lint free Mild detergent w water a b Inspect and clean wind Sensor as necessary Check alignment of wind sensor If alignment 15 necessary perform alignment procedure 3 4 6 1 Window Cleaning Procedures 1 Moisten a soft lint free cloth with isopropyl alcohol and wip
51. er The ZENO 3200 Datalogger accepts and stores sensor data from AT RH Sensor Barometer and Wind Sensor It also checks alarms and control functions diagnostic inputs including ZENO 3200 Datalogger power monitor FDCU battery charger load voltage charge monitors FDCU DC power monitor and FDCU AC power fail Analog data are converted to serial digital data with low 12 bit 10 000 samples s 2 channels maximum high 15 bit 10 samples s or ultra high 18 bit 2 samples s resolution The ZENO 3200 Datalogger processes the sensor data in a 32 bit microcontroller with 1 MB flash memory and MB static random access memory SRAM and sends the processed sensor and other data to the SSEM in RS 232 serial format The microcontroller allows extremely fast and powerful computing of multiple routines and uses advanced power management for very low power consumption A true real time executive 15 used to achieve multi tasking which samples and communicates simultaneously The ZENO 3200 Datalogger operates using embedded firmware The SRAM stores all sensor and program settings Functions include analog signal conversion digital input output serial communication programming and data memory A real time clock is also provided ZENO 3200 Datalogger is normally not turned off If main power is disrupted the ZENO 3200 Datalogger operates on the FDCU s battery back up If power and the FDCU s battery back up are lost the ZENO 3200 Datalogge
52. erations Maintenance Manual Version 1 0 2 9 Data Processing Unit DPU The Data Processing Unit runs Coastal Environmental S AVIATION INTERCEPT AI software AVIATION INTERCEPT is Coastal s COTS software application for fully automated and or operator assisted aviation meteorological reporting It is a complete program for meteorological data processing display analysis reporting storage and long term management It collects data from the FDCU and processes the data in accordance with approved algorithms data 16 then sent to any external data sources or data feeds and displayed on a graphical user interface AVIATION INTERCEPT runs on Windows server 2003 It displays both graphical and alphanumeric data The DPU has the primary responsibility for processing formatting storing and disseminating the meteorological data received from the FDCU station s and RLIM It is also the command and control center for the system s diagnostic and maintenance activities The DPU is designed to run continuously and is constructed from components hardware and software made for this purpose DPU automatically boots after a power outage but users must launch the AWOS service and log on The DPU performs the following functions e Data Acquisition from the FDCUs RLIM e Data Processing e Generation of Log files e Generation of reports The following functions are accessed through the Graphical User Interface
53. est page 3 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 1 2 3 Present Weather Detector The sensor is a Vaisala Present Weather Detector PWD22 This sensor is used for providing visibility luminance and precipitation detection and identification Figure 1 3 Vaisala PWD22 Present Weather Detector The Present Weather field of the GUI displays the code from the PWD22 These codes are documented in the sensor manual This field may also contain TS for thunderstorm or VCTS for thunderstorm in the vicinity which the algorithms produce from data received from the thunderstorm sensor 1 2 4 Ceilometer The ceilometer is Vaisala CL31 Laser Ceilometer that detects clouds precipitation and other obstructions to vision Displayed on the Observer GUI in feet are cloud cover Instant base amount and height Amount Height for up to 4 cloud layers Figure 1 4 Vaisala CL31 Ceilometer page 4 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 1 2 5 Barometer The barometers Setra model 270 Barometric pressure sensors housed in the FDCU They provide precise and stable atmospheric pressure measurement Every second three values are obtained Every 5 seconds an average is computed and sent to the DPU where algorithms compute and display 60 second averages of ASI altimeter setting QFE
54. f the voltage is detected by the RLIM electronics The RLIM then transmits its data to the Server via the modem port Figure 5 6 Active Runway Switch page 62 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 2 Block Diagrams 5 2 1 Signal Path Passive RLIM with edge center lights and ARS Single Runwa Center Lights Regulator Current Clamps Airfield Center Lights Figure 5 7 Signal Path with ARS There are two inputs into the RLIM The ARS switch will receive a 12VDC signal and Channels 1 8 are waiting for a 4 20mADC signal The RLIM outputs ASCII text string that 15 modulated by the Line driver modem then transmitted over one unconditioned twisted copper telephone pair or fiber optic cable The data is demodulated and processed at the server page 63 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 2 22 Signal Path Passive RLIM with edge center lights and PAPI lights Single Runwa Airfield lar i 3 i gi ii PAPI Lights Figure 5 8 Signal Path with PAPI Lights There are 4 inputs into the RLIM They are all current clamps and are a 4 20mADC signal page 64 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 953 Operating Specifications The RLIM is powered by means of a 100 240V 5
55. for one or more configured runways An example is shown below This is the message that 15 sent to the server via the modem port KTDAURLIMmetmlimORLIM active_heading 18 RL18 edge_lights_level 1 RL18 center_lights_level 0 page 75 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 5 9 Active Runway Switch The active runway switch is a module that incorporates a 12VDC power supply circuit card with connectors for power input output and switch connections One or two DPST switches are connected depending on the number of runways that are configured 12 VDC is applied to pins 3 amp 4 and GND applied to pins 1 amp 6 of J3 and J4 switch connectors This allows the switch to reverse the polarity on the output of J2 pins 1 2 and 7 8 when two switches are used This output is connected to the RLIM Active Runway Switch input INCLUDED IN 1716139015 ONLY Figure 5 15 Active Runway Switch page 76 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SECTION 6 PARTS LIST 6 1 Introduction The parts list is provided to assist supply and maintenance personnel in the identification requisition and stocking of replaceable parts Maintenance should be performed by authorized personnel using the appropriate maintenance procedures in this manual 6 2 MAINTENANCE PARTS LIST The maintenance parts list consists of a top
56. he ESC key Type lt ctrl gt a both keys pressed simultaneously then q enter to exit chat mode 3 3 4 AT RH Sensor Support Equipment Required Cable DB 9F to DB 9M Computer Personal Meter Temperature Humidity Standard Screwdriver a Connect laptop to FDCU maintenance port and at the prompt type sum enter b Note air temperature field reading on laptop c Set Temperature Humidity Meter to read temperature d Position Temperature Humidity Meter at mouth of AT RH Sensor shield assembly such that air drawn into aspirated shield is drawn across Temperature Humidity Meter e Wait several minutes for Temperature Humidity Meter to stabilize f Record Temperature Humidity Meter and laptop air temperature field readings page 33 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Wait 2 minutes and repeat step f noting each reading For inclement weather wait 15 minutes h Wait another 2 minutes and repeat step f noting each reading For inclement weather wait 15 minutes i Average the three Temperature Humidity Meter readings Separately average the three laptop air temperature field readings j Compare average Temperature Humidity Meter reading to the average laptop air temperature field reading Difference should be less than 1 5 C k Note relative humidity field reading on laptop 1 Set Temperature Humidity Meter to read humidity m
57. he day and minimizes overnight cooling during the night A switch which is essentially a paddle on the end of the airflow tube is pushed open by the correct amount of airflow This switch 16 electronically monitored and its status open or closed included in the output data stream allowing the operator to tell not only if the fan is operating but also if there is severe blockage of the air passage due to insects debris etc page 18 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Table 2 2 AT RH Sensor Specification Data 0 100 equals 0 VDC 2 3 3 Present Weather Detector The sensor is a Vaisala Present Weather Detector PWD22 The PWD22 identifies precipitation type by estimating the water content of precipitation with a capacitive device Vaisala RAINCAP sensor element and combining this information with optical forward scatter and temperature measurements PWD22 has a single RAINCAP sensor element This sensor is used to provide precipitation detection and identification It is also used for visibility and luminance measurements Table 2 3 PWD22 Specification Data Forward scatter measurement 60 s 40 C to 55 C up to 100 RH up to 60 m s 0 05 mm h or less within 10 min Weather type identification 4 different types of precipitation rain drizzle snow ice pellets Precipitation unknown type Fog mist haze page 19
58. ield The threshold values must be calculated and inserted by hand for each queried light intensity level Place the lighting system in the OFF position Query the sensor with the g1 command This value will be inserted into Level 0 with the c1 value command Continue by incrementing lighting intensity levels and querying the sensor then writing the value to the corresponding level After all of the levels have been written the thresholds must be calculated and entered The calculation 15 as follows Level 1 Level 0 2 Level 0 This will set the threshold near the middle of the range between the two levels Example 272 164 2 164 218 This process is required for each sensor in the system Typing g1 will query sensor 1 g2 will query sensor 2 and so When the current clamps sense no current they produce 4mADC This will produce a value of 164 which can drift slightly but should never trigger the RLIM to produce a faulty reading when the threshold values are set properly page 74 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 Level Menu Channel l Level 0 164 27 Threshold 4 Level 1 443 47 Threshold 2 502 67 Threshold 7j Level 3 570 81 Threshold O Level 4 682 10 Threshold ll Level 5 812 Figure 5 14 Light Levels 5 8 Output Messages The RLIM will output a formatted message
59. ill issue a Window Contaminated warning which indicates that the window must be cleaned as follows 1 Flush the window with clean water to remove coarse grains keep the enclosure door closed 2 Clean the window with a soft lint free cloth moistened with a mild detergent Be careful not to scratch the window surface While cleaning the window you can also check the operation of the window blower Unless it is already running the blower should start when you block the laser beam with the cleaning cloth for some 5 seconds or more This will verify that the blower is functional If there are no low clouds precipitation or fog present the blower should stop after the window is cleaned In case of a malfunction the window blower has to be replaced 3 4 3 2 Checking the Door Gasket The door of the measurement unit utilizes an electrically conductive rubber gasket to suppress electromagnetic radiation When the door 15 opened check that the gasket and the opposite contact surface is clean Use a wet cloth for cleaning if necessary 3 4 3 3 Battery Check Check the battery condition annually If any signs of aging such as a bulging battery case white powder or residue near the battery vent leaking electrolyte or corroded terminals is observed replace the battery Lead acid batteries may age in 3 to 5 years time and result in a rupture and loss of electrolyte CAUTION In freezing temperatures there is a danger of battery rupture if the b
60. ion of equipment b caution identifies a procedural step that if not correctly followed may result in damage to equipment c A note identifies information operating procedure etc requiring special emphasis Examples of notes warnings and cautions are as follows NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This process prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed WARNING DO NOT WEAR JEWELRY Remove earrings watches and other metallic objects that may cause shock or burn hazards CAUTION Do not short or bridge battery terminals with any object Do not operate UPS without battery page viii 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 REFERENCES A soft copy of the following Commercial Off The Shelf COTS sensor manuals are provided in Appendix B to this manual 1 WindSonic Wind Sensor User Manual Doc No 1405 PS 0019 Issue 10 Gill Instruments Ltd April 2004 2 Humidity and Temperature Probes models HMP50 Operating Manual U274en 1 2 Vaisala 29 September 1997 3 Ceilometer model CL31 User s Guide M21048EN B Vaisala October 2004 4 Barometric Pressure Sensor model 270 Operating Instructions Rev D Setra June 1998 5 Present Weather Detector model PWD22 User s Guide M210543 EN B Vaisala January 2004 page ix 2010 COASTAL ENVIRONMENTAL S
61. ltimeter Fed Senor BET UE m Visibility 1443 1537 cdi Sa 1 Minute Vis 10 Minute Vis Ambient Light 10 Min Max Vis 10 Min Min Vis Runway Touchdown Rollout Edge Center NCD Instant Base Cloudi Cloud 2 Cloud Cloud 4 m Present Weather TS VCTS Total iahtnina Striket Hour Precin 6 Hoaur Precin Figure 1 12 Day Skin page 10 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 1 5 1 3 User Logs AWOS Operations and Maintenance Manual Version 1 0 Click on the Records tab and select View Logs to display the Log View popup where you can display system data logs View VECES Manage 25R 2 Minute Winds 10 Min ute Winds Temperature 347 m windDir 5 Min Speed Min Timestamp mm dur 356 25 Speed Wind Dir CCW Variation CW Variation windAlg gust te See e Air Temp Dewpoint Humidity Solar Radiation B Figure 1 13 User Logs Log Dates 12 22 2005 cic 0001 2009122 Itng 0001 200912 maintenance 0001 0001 2009122 visi 0001 2009122 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009 12 22 2009
62. m nnn nennen 90 TABLE 6 11 FDCU PARTS 90 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Intentionally blank page xvi 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SECTION 1 SYSTEM OVERVIEW 1 1 Introduction This manual contains operations and maintenance instructions for the Aviation Weather Observing Stations AWOS AWOS is an automated meteorological system that provides 24 7 weather data used in the production of Hourly Aviation Weather Reports METARs and Special Aviation Weather Reports SPECIs The complete AWOS measures or calculates and reports the following information Wind speed Wind direction Wind gust Visibility Present weather Cloud base heights Cloud coverage Temperature Dew point temperature 9 Atmospheric pressure Reporting of Runway Visual Range The AWOS includes both hardware sensors data collection equipment data processing and display cables backup power sources etc and software data collector algorithm processing database main Graphical User Interface GUI also referred to as the Observer GUI Administrator GUI Maintenance GUI message engine and logging engine System components will be covered in detail in the subse
63. main AC power is removed b Disconnect FDCU battery leads c Turn off AC Power switch d Disconnect tubing from desiccant sight glass fittings e Remove two screws securing sight glass bracket to FDCU right door and remove sight glass f Remove three screws from top of sight glass and remove sight glass top cover g Empty desiccant from sight glass ensuring all desiccant debris is removed page 53 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 4 14 2 p e C 4 15 4 15 1 AWOS Operations and Maintenance Manual Version 1 0 NOTE Do not lose mesh screen gaskets Dispose of desiccant per local regulations If necessary clean corrosion from sight glass and fittings Installation Position mesh screen gasket in bottom of sight glass Fill sight glass with fresh desiccant Position mesh screen gasket and cover on top of sight glass and secure using three screws Position sight glass on FDCU right door and secure using two screws Reconnect tubing onto desiccant sight glass fittings Reconnect FDCU battery leads Turn on AC Power Remove used desiccant bag from FDCU enclosure Place fresh desiccant bag in FDCU enclosure and date bag Close FDCU enclosure cover and secure latches FDCU Pressure Port Removal Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This prevents FD
64. meter Field Sensor im 1443 1537 1 Minute Vis 10 Minute Vis Ambient Light 10 Min Max Vis 10 Min Min Vis Runway Touchdown Rollout Edge Center 0 NCD Instant Base Cloud 1 Cloud 2 Cloud 3 Cloud 4 Present Weather TS VCTS Total Lightning Strike amp Hour Precip 6 Hour Precip z METAR WIII 2223002 AUTO 00000 0900 R25R 0600 HZ NCD 21 05 Q1022 OMO WIII 2223352 AUTO 00000KT 0900 R25R 0500V0600 HZ NCD 21 05 Q1023 Active Runway me M i ng Total n Figure 1 7 Observer GUI page 7 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 1 5 1 1 Lightning Totals By clicking on the Lightning Totals button at the bottom of the Observer GUI a popup window appears with a graphical display of lightning data within the last 15 minutes 15 Minute Lightning Totals Figure 1 8 Lightning Totals page 8 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 1 5 1 2 User Profile Click on the User tab and select User Profile to display the User Profile popup where you can edit your username password and choose day or night skin See Figure 1 11 for an example of night skin view Winds Wind Dir Speed Min Speed Min Tin ES 0 1 x 357 Nr 44 Winds Speed Wind Dir CCW Variation CW Variation h cf pe SS fnm m em Fi Figure 1 9
65. mperature Relative Humidity Sensor eene nnne eene nnne 18 Wealer DECECO tM 19 CEOE OT E TTE 20 OL HA TTL 21 2 4 FIELD DATA COLLECTION UNIT FDCU ya 22 241 3200 DI uei eb o te vete 23 24 2 Serial Sensor Expansion Module SSEM 23 JPOWOLEDUDDDS a eR D 24 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 24 Commurical Ons IK 2 4 4 1 Point to Point RF Modem 22 000002 00010 00000 000 0 00000 002 2 3 DATA PROCESSING UNE LL 2 6 RENE SECTION 3 Ma ee ITS 3 1 RECOMMENDED PREVENTIVE MAINTENANCE 2 2 SUPPORT EQUIPMENT TOOLS AND CONSUMABLE ITEMS 000000 3 3 SENSOR FUNCTIONAL PERFORMANCE CHECKS 3 34 Laptop Terminal Emulator SIGN SITA
66. ng signals to the sensors and receives data signals from the sensors Sensor data are received by the FDCU in the formats shown in Table 2 7 FDCU operates on DC voltage from 10 to 35 Vdc but uses a standard 120 volt AC input The power supply is a Mil grade switching power supply A battery is included in the FDCU Once power is applied to the system it regulates and supplies power to all the other sensors and components of the system If the FDCU loses power or resets due to a power surge it will automatically return to normal operation without human intervention Normal operation is resumed within thirty seconds with all weather parameters achieving normal indications within ninety seconds FDCU power circuitry includes the components that regulate the line voltage supplied to the entire system and also distribute the power to the various sensors The FDCU power components include a single phase transformer the power supply an AC DC converter 4 20 Amp battery charger and 12 Vdc 17 AH battery The FDCU is powered by 110 to 240 Vac 45 65 Hz single phase power source page 22 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Table 2 7 Sensor FDCU Data Specification Formats Present Weather Detector Serial RS 232 SSEM AT RH Sensor DC Volts 7 0 3200 Datalogger Serial RS 485 ZENO 3200 Datalogger DC Volts ZENO 3200 Datalogger 241 ZENO 3200 Datalogg
67. nnne 30 FIGURE 3 3 ASSEMBLING THE OPAQUE GLASS 5 32 FIGURE 3 4 FDCU BAROMETER AND DESICCANT TRAP 39 FIGURE 4 1 NORTH MARKINGS ON WIND 5 5 00000 42 FIGURE 5 1 POWER 57 FIGURE 5 2 CN Eco Nave cid 58 FIGURE 5 3 SERIAL PROGRAMMING INTERFACE 1 reser ee nie 59 FIGURES A URRENT EAR LII A EE 60 FIGURE 5 5 INPUT OUTPUT TERMINALS 61 FIGURE 5 6 ACTIVE RUNWAY SWITCH ccccsssccssccssscccsscccscccsscccscccssccecsccecscccscccssccessccecsceesccessccessseeess 62 FIGURE 5 7 SIGNAL PATH WITHONRS 5 Aai 63 FIGURE 5 8 64 FIGURE MAIN MEN secre Rp ates uen dad 65 lt 66 FIGURE 5 1 1 CONTROL LOOPS MENU
68. onvert AC input power to DC power for use by the other FDCU circuits A line filter and suppressor remove noise and provide protection from voltage spikes and other transients on the AC input The AC power distribution module also contains mains power failure detection circuitry It supplies a Power Supply that converts the AC input to DC for distribution to the ZENO 3200 Datalogger SSEM Barometers sensors and communications links 3 amp constant voltage battery charger maintains charge a 12 Vdc 32 amp hr sealed lead acid battery This battery and circuits in the power distribution module form an uninterruptible power supply UPS that provides DC power to all essential system components should the main AC power input be interrupted page 24 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 2 4 4 Communications Link All sensors are connected to the FDCU The FDCUs communicate point to point with the DPU via line of sight radio modems Each radio is tuned to a separate channel in the range of 2 4 Ghz A radio modem in the FDCU communicates with a radio modem in the DPU via 15 dB Yagi antennas at each end 2 4 4 Point to Point Modem Configuration The data transceivers in the FDCU and DPU are Xstream RF modems model PKG R Figure 2 2 Xstream PKG R RF Modem Figure 2 3 Pctel MYP 15dB Yagi Antenna page 25 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Op
69. ops Menu 5 5 3 Version Menu V Version Menu will display the version of the firmware currently installed amp running Runway Light Intensity Monitor Firmware Version 2 1 CES Press ENTER to continue Figure 5 12 Version Menu page 67 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 5 4 Save Parameters to EEPROM 9 99 5 5 6 5 5 7 5 5 8 E Save Parameters to EEPROM will save the current configuration into non volatile memory You must save the changes into the EEPROM every time you affect a change If you do not save the changes and power to the RLIM is removed your configuration will revert back to the last EEPROM save Quit Q Quit exits out of the main menu Diagnostic Menu D Diagnostic Menu 15 for assisting with the installation testing and troubleshooting the RLIM and its sensors DPU Comm Test P DPU Comm Test is for Factory testing Sensor Value A Sensor Values displays all sensors in a list by sensor number sensor name type of light raw A D value and light step This is the display for Current sensor setup Figure 5 13 shows Sensor 1 edge lights at level 3 and Sensor 3 Active approach at level 1 Sensor 1 RLIM Sensor 2 RLIM Sensor 3 RLIM Sensor 4 RLIM Sensor 5 RLIM Sensor 6 RLIM Sensor 7 RLIM Sensor 8 RLIM Z 2 22 gt ZT 5 gt w Prece ta Figure 5 13
70. other Transit time is affected by wind speed along the ultrasonic path The transit time is measured in both directions For zero wind speeds both the forward and reverse transit times are equal page 17 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 Table 2 1 Wind Sensor Specification Data 2 32 Ambient Temperature Relative Humidity AT RH Sensor The AT RH sensor consists of a Vaisala model 50 relative humidity temp probe installed into the aspirated radiation shield as a single unit The output voltage of the probe ranges from 0 to 1 VDC Output signals from both the sensor are sent to the ZENO 3200 in the FDCU for processing via an integral cable The AT RH sensor is mounted vertically in an R M Young Model 43408 aspirated radiation shield The shield protects the sensor from incoming short wave solar radiation as well as outgoing long wave radiation and provides excellent sensor contact with the incoming ambient The shield employs concentric downward facing intake tubes for thermal separation and isolation of the sensors Intake air is drawn by a blower and flows between the inner and outer shield tubes as well as across the sensor to minimize heat transfer from outer to inner surfaces The shield material provides low thermo conductivity and low heat retention secondary radiation shield mounted below the temperature sensor blocks reflected radiation during t
71. ower switch Remove used desiccant bag from FDCU enclosure Place fresh desiccant bag in FDCU enclosure and date bag Close FDCU enclosure cover and secure latches Perform Barometer functional test 1f changing an FDCU with barometers and ensure all sensors are reporting page 46 2010 COASTAL ENVIRONMENTAL SYSTEMS INC TEE 9 Ss oF 4 9 4 9 1 AWOS Operations and Maintenance Manual Version 1 0 FDCU Battery Removal Loosen FDCU enclosure cover latches and open cover Disconnect FDCU battery leads Turn off FDCU AC Power switch Open FDCU circuit breaker NOTE Dispose of battery in accordance with applicable regulations Remove battery from tray taking care that exposed battery terminals do not contact cabinet Installation Position battery on FDCU battery tray in enclosure Connect FDCU battery leads Close FDCU circuit breaker Turn on FDCU AC Power switch Close FDCU enclosure cover and secure latches FDCU ZENO 3200 Datalogger Removal Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This process prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed b Disconnect FDCU battery leads page 47 2010 COASTAL ENVIRONMENTAL SYSTEMS INC 4 9 2 D C AWOS Operations and Maintenance Manual Version 1 0 Turn off
72. p to FDCU maintenance port and type sum enter b Turn Digital Barometer on and wait 5 minutes for Digital Barometer to stabilize c Note barometric pressure indicated on Digital Barometer a Note pressure indicated in barometric pressure field on laptop The barometric pressure reading should be within 0 67 hPa of Digital Barometer reading 3 4 Preventive Maintenance Procedures 3 4 1 Obstruction Debris Inspection Visually check all outdoor equipment for the following and correct as required Tree obstruction b Blown twigs grass or plastic objects caught in the sensors c Spider webs insect nests bird nests etc 3 4 2 Physical Check Physically check all outdoor equipment for the following and correct as required a Lightning damage scorch marks b Corrosion and chemical deposits c Loose connections tie wraps grounding cable or loose mountings d Look for physical damage abraded or frayed cable 3 4 3 Ceilometer Material Required Cloth Cotton Lint free Mild detergent w water page 35 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 3 4 3 1 Window Cleaning Procedures Data messages include a warning that informs when the window is contaminated After the system has detected contamination on the window it will start the blower which is designed to remove light contaminants and dry off raindrops If the contamination cannot be removed CL31 w
73. place g Inspect condition of tubing from desiccant trap to pressure port If brittle or cracked replace with new tubing cut to proper length h Check condition of the gasket around the FDCU door opening If worn or brittle replace gasket 1 Reconnect battery leads j Within a few seconds close FDCU circuit breaker and switch on FDCU AC Power k Remove used desiccant bags from FDCU enclosures 1 Place fresh desiccant bags in FDCU enclosure and date bags m Close FDCU enclosure cover and secure latches 3 4 8 DPU 3 4 8 1 General Cleaning a Clean server front panel b Perform routine cleaning and corrosion control Inspect cable connections check for signs of wear Repair or replace as needed a Check ground connection 3 4 8 2 Purging Log Files Goto Start gt My Computer gt D gt Coastal Environmental Systems gt AWOS 1 the current software version gt logs gt data The file folders inside are arranged by year month and day b Delete all files that are older than one year page 40 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 SECTION 4 COMPONENT REMOVAL AND INSTALLATION PROCEDURES 4 1 Introduction This section describes the removal and replacement installation procedures for AWOS primary components 4 2 Wind Sensor 4 2 1 Removal Loosen screws securing Wind Sensor to coupler b Remove Wind Sensor and
74. quent sections page 1 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 12 Sensors 1 2 1 Wind Sensor The AWOS wind sensor is a Gill WindSonic Wind Sensor This sensor consists of a wind speed and wind direction sensor combined into a single unit with no moving parts Figure 1 1 Gill WindSonic Wind Sensor Wind data are displayed on the Observer GUI Wind direction is displayed in degrees true to the nearest 10 degrees wind speed is displayed in knots kts to the nearest 0 1 kt The units are the same for all wind data shown on the Observer GUI The wind sensor outputs two parameters wind speed and wind direction each updated every five seconds The following parameters are displayed on the GUI a Instant wind direction and speed values at the time the wind sensor 15 polled b 2 minute mean once every 5 seconds the average values of wind speed and direction are calculated using the 5 second averages from the previous 2 minutes c 10 minute mean once every 5 seconds the average values of wind speed and direction are calculated using the 5 second averages from the previous 10 minutes d 2 minute Peak the highest wind speed during the previous 2 minutes f 10 minute Gust wind gust speed computed during the previous 10 minutes g 10 min VRB variation in wind direction during the previous 10 minutes Wind data are also shown in graphic form at the righ
75. r automatically reboots on power restoration using only the configuration data previously stored 8 of electrically erasable programmable read only memory EEPROM Settings and changes stored in SRAM are retained by a battery within the ZENO 3200 Datalogger 2 4 2 Serial Sensor Expansion Module SSEM The SSEM is essentially a microcomputer that expands the capability of the ZENO 3200 Datalogger SSEM accepts RS 232 serial digital sensor data inputs from the Present Weather Detector and Ceilometer It also accepts diagnostic data and digitized serial data from the other sensors via the ZENO 3200 Datalogger Maximum data rate is 15 kbits s System memory is 32 MB with 48 MB of non volatile storage memory The SSEM uses a 32 bit microcontroller to direct data transfer into and out page 23 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 of a 16 bit buffer The SSEM interprets formats and sends processed sensor data and other information to the DPU via the communications link Messages are passed between the FDCU DPU using the SSEM remote communication protocol The FDCU maintenance port connects with the SSEM The maintenance port is an RS 232 serial interface that allows viewing of sensor data on a terminal emulator Some sensors can also be commanded to perform self test or other functions via the maintenance port 2 4 3 Power Supply The Power Supply circuits c
76. r switch Remove used desiccant bag from FDCU enclosure Place fresh desiccant bag in FDCU enclosure and date bags Close FDCU enclosure cover and secure latches FDCU Power Supply PSI 4 11 1 Removal a Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed and so prolongs battery life b Disconnect FDCU battery leads c Turn off FDCU AC Power switch d Open FDCU circuit breaker e Rotate latch 1 4 turn and open FDCU left door f Rotate latch 1 4 turn and open FDCU right door Loosen one screw in each of two Power Supply PS1 end stops h Reach under PS1 and pull down release latch securing PS1 to mounting rail i Tag and disconnect wires from PS terminals Terminals are spring tension type There no screws To loosen wire connection insert screwdriver in slot above wire and gently push handle forward Remove PSI page 50 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 4 11 2 Installation pom o 0 mh C 4 12 4 12 1 Position Power Supply PS1 in FDCU enclosure Connect wires to power supply terminals Snap latch to secure PS1 to mounting rail Reinstall both end stops snugly against PS and tighten one screw in each Close FDC
77. strap to pedestal Route AC power cable through port on AC power junction box and connect AC power cable to terminal strip in junction box Route signal cable through port on signal junction box and connect to terminal strip Close breaker to apply AC power to Ceilometer Turn battery switch inside the ceilometer to the on position Perform functional test Barometer Removal Loosen FDCU enclosure latches and open FDCU door page 44 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This process prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed o Ln 4 6 2 pe dee ces de 4 7 4 7 1 Disconnect FDCU battery leads Turn off AC Power to the FDCU at the power panel open the breaker Remove signal cable from barometer Disconnect air tubing from Barometer Remove screws securing Barometer to right door Installation Inspect condition of tubing If brittle or cracked replace with new tubing cut to proper length Position Barometer against FDCU right door and secure using 2 screws Connect tubing to Barometer Connect signal cable to Barometer Reconnect FDCU battery leads Turn on AC Power Close FDCU door and secure latches Perform functional test FDCU Removal Loosen FDCU enclosure
78. sure Place fresh desiccant bag in FDCU enclosure and date bags Close FDCU enclosure cover and secure latches FDCU Fuses Removal Loosen FDCU enclosure cover latches and open cover Visually check for blown fuse indicated by lit fuse holder cap NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This process prevents FDCU battery from supplying power to FDCU circuits when main AC power is removed m Disconnect FDCU battery leads Turn off AC Power switch Open FDCU circuit breaker Turn fuse holder cap 1 4 turn counterclockwise and pull cap with fuse away from FDCU holder door Pull fuse from fuse holder cap page 52 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 4 13 2 Installation a Place fuse in fuse holder cap b Insert fuse holder cap into fuse holder and turn 1 4 turn clockwise c Reconnect FDCU battery leads d Close FDCU circuit breaker Turn on AC Power switch f Remove used desiccant bag from FDCU enclosure g Place fresh desiccant bag in FDCU enclosure and date bag h Close FDCU enclosure cover and secure latches 4 14 FDCU Sight Glass and Desiccant 4 14 1 Removal a Loosen FDCU enclosure cover latches and open cover NOTE Be sure to disconnect FDCU battery leads before opening FDCU AC Power switch This prevents FDCU battery from supplying power to FDCU circuits when
79. t Tag and disconnect cables from server rear panel page 55 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 4 16 2 Installation WARNING EXERCISE CAUTION WHEN HANDLING THE SERVER TWO PEOPLE MAY BE REQUIRED a Connect cables to server rear panel connectors b Server should power up automatically If not press power button on front of server page 56 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 SECTION 5 5 1 Main Components The RLIM is housed in a metal enclosure and has the following main components Power Supply Microprocessor Board Serial Programming Interface Port Serial Communication Port Current Clamp Sensor Inputs ARS Input 5 1 1 Power Supply This converts the input of 100V to 240VAC 50 60Hz to 15 Other supplies on the board convert this into 12vdc 10 4 and 5vdc All are needed to power the microprocessor board Typical current draw is less than 0 5 amperes Figure 5 1 Power Supply page 57 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 1 2 Microprocessor Board Microchip PIC 18 8720 or equivalent industrial embedded control board This board incorporates many of the components of the RLIM system HOT USED NOT USED Microprocessor Board 4 20 mADC Ho 0
80. t Levels for Sensor n CIJRLIM ARS identifier ELIM 2 Loop Sensor Type 3 Euoway 1 name 4 Number of Sensors an 3 First Position muway heading 6 Second Position rumway heading 7 Rumway 2 name 8 Number of Sensors 0 9 First Position heading 10 Second Position rumway heading Quit 1 Save Parameters to EEPROM D Diagnostic Menu O J Output Configuration Figure 5 10 System Menu page 66 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 5 5 2 Control Loops Menu The L Control Loops Menu is where the configuration for the individual current sensors is entered and maintained It is used to configure each sensor for the type of light it is monitoring Each sensor is tied to a loop of lights Edge Center or Active Heading The setup below shows Edge lights configured for Sensor 1 input Center lights configured for Sensor 2 and Active Heading configured for Sensors 3 and 4 Control Loops Menu Cn miChanze Item n to Value m Menu Parameters EEPROM S System Menu D D1agnostics Menu 1 Sensor 1 location 2 Sensor 2 location 3 Sensor location 4 Sensor 4 location 3 Sensor 5 location 6 Sensor location 7 Sensor 7 location 0 0C 42444 2 S Sensor location Figure 5 11 Control Lo
81. t of the GUI The instantaneous wind speed is shown at the center of the display The instantaneous wind direction is indicated by an arrow on the inside of the display The 10 minute variability VRB is shown by the arc on the inside of the display Wind data are shown on the GUI after 75 of the time necessary to produce averages has passed page 2 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 1 2 2 Ambient Temperature Relative Humidity AT RH Sensor The relative humidity and ambient temperature sensors are installed in the RM Young aspirated radiation shield as a single unit Figure 1 2 AT RH Sensor Mounted in Aspirated Shield Input data are averaged over 5 minutes to minimize the effect of small scale temperature perturbations The ambient air temperature and relative humidity data are used to calculate the dew point temperature Temperature data is also used by other calculations within the algorithms Values of Temp DP and RH are updated every 60 seconds on the GUI The following parameters are displayed on the GUI a Ambient Temperature Temp Temperature of free air reported to the nearest 0 1 C The value reported in this field is a five minute average temperature b Dewpoint Temperature DP Cooling temperature at which saturation occurs reported to the nearest 0 1 C Relative Humidity RH Ratio of actual to saturation vapor pressure reported to near
82. tailed information about the alarm TERE EF Avistion Dashboard Settings Data Display FDCU rv Deve TER Pressure Ceilometer Temperature aiaia es Pressure DPU Status Alarm Last Timestamp no timestamp Last Received Message em Alarms Interfaces Tue Dec 22 22 22 18 2009 UTC Welcome admin Figure 1 15 Maintenance Dashboard with Pressure Window Displayed page 12 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations and Maintenance Manual Version 1 0 1 5 2 2 Settings Select the Settings tab then the Aviation window to adjust specific system information INTERCEPT Aviation Dashboard Settings Data Display Intercept Set Runways Primary End Secondary 258 NS Reports ATIS Station Eo Cleese HN A M ATIS COM Baud Rate Select rate 7 Station Select station M AFTN COM Baud Rate 111 4810 ICAO ID Wo METAR Interval METAR Generation Time SYNOP Initial Generation SYNOP Generation Time SPECI Sky Threshholds SPECI Visibility Threshholds TAF Initial Generation TAF Report Frequency TAF Validity Interval Expand 22 22 22 18 2009 Figure 1 16 Aviation Settings page 13 2010 COASTAL ENVIRONMENT
83. ti ON 56 a 57 5 1 MANGO MPO NE NI Sa 57 NES ED SIEMPRE Tm 57 JMICKODFOCOSSOP BOOKS edited ue E d des 58 oJ Seral Programming ES 59 Serial Communication 59 CURE CIONS doctae osi tua 60 2 sO 61 ACUE HY 62 2 2 BLOCK DISGRAMSA A D I EM 63 5 2 1 Signal Path Passive with edge center lights and ARS Single Runway ees 63 5 2 2 Signal Path Passive with edge center lights and PAPI lights Single Runway 64 5 3 OPERATING SPECIFICATIONS 65 5 4 MENU erase Ge 65 2 9 ale tte beu tute uentus tt ct t cd 65 De
84. update the data As an alternative you can type sum h lt enter gt and a summary similar to Figure 3 2 will appear This summary does not update the data but it supplies labels for each of the data elements 236 115 H 4 3860 21 Ahmm Ahmm H z 1625 7 H PAGE A HBHHHHHHS H2H 5290 3400 236 HZ 2489776 34H2 Figure 3 1 Sum Summary Screen 5 gt sum h Sus ld Sernum Cmd Data Ser Rx Tx RunT ime IRQ CPU Z4hrHain Wodir distdir CloudEi Vertis Ui1sim 1 BG lum U1sim 1 Instant Recent TotalPkts 5 115 H 4 38680 Ahmm H Ahmm 245 1625 7 PAGE H2 H 5757 5278 3406 23b HZ 2489 76 3402 Figure 3 2 Sum h Summary Screen page 30 2010 COASTAL ENVIRONMENTAL SYSTEMS INC AWOS Operations Maintenance Manual Version 1 0 3 3 2 Ceilometer Support Equipment Required Cable DB 9F to DB 9M Computer Personal Laptop Standard Screwdriver a Open ceilometer access cover and electronics housing door requires supplied key Verify Main power switch Ceilometer Heater and Ceilometer Battery switches are all in the ON position b Connect laptop to FDCU maintenance port and at the prompt type chat cl31 lt enter gt c Type OPEN to access CL31 command prompt which will be d Type GET FAILURE STATUS at the CEILO gt prompt double echoed characters should appear e Verify all Alarms Warnings and System fields read

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