All Weather Inc 8339 Скачать руководство пользователя страница 1

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All Weather Inc. • 1065 National Drive • Sacramento, CA 95834 • USA • 800.824.5873 • www.allweatherinc.com

Model 8339
Cloud Height Indicator Laser Ceilometer

User’s

Manual

Rev. M

Содержание 8339

Страница 1: ...All Weather Inc 1065 National Drive Sacramento CA 95834 USA 800 824 5873 www allweatherinc com Model8339 CloudHeightIndicatorLaserCeilometer User s Manual Rev M...

Страница 2: ...e trademark owner and with no intention of infringement All Weather Inc and the All Weather Inc logo are trademarks of All Weather Inc Disclaimer The information and specifications described in this m...

Страница 3: ...ntrol warning status bits H 2011 Oct 1 Corrected 8329 mode baud rate J 2011 Oct 4 Enhanced description of grounding requirements during installation K 2014 Nov 20 Added cross reference to status codes...

Страница 4: ...8339 Sky Condition Format 14 3 2 1 Data Format 15 3 3 8329 Format 16 3 3 1 Communication Parameters 16 3 3 2 Data Format 16 3 4 8339 ASOS ICD 17 3 4 1 Communication Parameters 17 3 4 2 8339 ASOS ICD...

Страница 5: ...SHOOTING 37 7 1 Using the Status Message 37 8 REMOVAL AND REPLACEMENT 40 8 1 Removing Modules 40 8 1 1 Data Acquisition Board 41 8 1 2 Optical Module 42 8 1 3 DIN Rail Components 43 8 2 Replacing Modu...

Страница 6: ...mirrors with concave curvatures The Ceilometer is safe only as long as the beam remains unmodified from its output form Though the system is also safe with the door opened an interlock switch prevent...

Страница 7: ...algorithms and digital techniques developed by All Weather Inc based on 20 years of cloud detection research and manufacturing experience are are used by the Model 8339 Ceilometer to provide accurate...

Страница 8: ...ckup Kit 83396 00 100 120 V AC Heater Blower for use with 8339 F 83397 00 200 240 V AC Heater Blower for use with 8339 G M488261 00 Ceilometer Mounting Kit M491742 00 Ceilometer Data Cable M491745 01...

Страница 9: ...mitted at a maximum rate of 1 kHz vertically into the atmosphere and the resulting backscattering is analyzed for water density Clouds are identified when the water density changes abruptly Vertical v...

Страница 10: ...ally monitored using sophisticated signal analysis techniques In heavy fog for instance the Ceilometer can only see through so much water droplet density before the laser beam has been completely depl...

Страница 11: ...and memory The Power Supply M438200 00 accepts AC power and provides 13 5 V DC to the Ceilometer electronics A Circuit Breaker M442095 00 is installed between the AC power input and the power supply T...

Страница 12: ...bias for both the laser and the APD Special circuits ensure that the Ceilometer s eye safe parameters are maintained under all operating conditions Extensive self testing electronics continuously mea...

Страница 13: ...meaning Figure 4 Ceilometer Status LEDs Location Table 1 Ceilometer Status LEDs Meaning Name Meaning SYSTEM STATUS red a ON continuously when Ceilometer is in standby mode with no failures or warning...

Страница 14: ...er inside the unit may cause condensation on the inside glass surfaces and may leave a residue behind on the optics 2 3 2 Data Acquisition Board Note A metal cover protects a portion of the Data Acqui...

Страница 15: ...quisition Board LEDs Name Meaning DIRTY WINDOW Dirt or moisture buildup on windows windows need cleaning POWER SUPPLY Fault in power supply module OPTICAL MODULE Fault in optical module COMPUTER On wh...

Страница 16: ...F 1200 Baud X X X X ON OFF 4800 Baud X X X X OFF ON 9600 Baud X X X X ON ON 2 4 FAULT DETECTION When a fault is detected during the Ceilometer s self testing a fault message is output over the communi...

Страница 17: ...shown in Table 5 Table 5 8339 Ceilometer Communication Settings Parameter Setting Baud Rate 9600 bps Data Bits 8 Parity None Stop Bits 1 Handshaking None 3 1 2 Data Format The 8339 Native Data format...

Страница 18: ...ZZZZZ VVVVV SSSSSS N 0 0 0 CCCC Character Sequence Meaning XXXXX First cloud base YYYYY Second cloud base ZZZZZ Third cloud base VVVV Vertical visibility SSSSSS Status message see Troubleshooting for...

Страница 19: ...ve configuration that is stored in flash followed by a CRC 16 Return String 000799a58f00003000ef0bb862620308275d11090080205740015a5ae60100ffffff CCCC Character Sequence Meaning Sample string Active co...

Страница 20: ...ontain up to four distinct layers The Sky Condition output field from the Ceilometer is acceptable for METAR reporting based on the ICAO Annex 3 requirements The possible Sky Condition outputs are lis...

Страница 21: ...to be put onto a universal bus It communicates the data source 8339 Ceilometer to the data receiver AAAAAA Status message see Troubleshooting for a definition of the status message HHHHH Cloud height...

Страница 22: ...0 bps baud rate Table 9 8329 Format Ceilometer Communication Settings Parameter Setting Baud Rate 300 9600 bps programmable Data Bits 8 Parity None Stop Bits 1 Handshaking None 3 3 2 Data Format The 8...

Страница 23: ...following specifications Table 11 8339 Ceilometer ASOS ICD Communication Settings Parameter Setting Baud Rate 300 9600 bps programmable Data Bits 8 Parity None Duplex Full Start Bits 1 Stop Bits 1 Ha...

Страница 24: ...orted cloud height layer Note 2 TTTT is the penetration depth in feet Note 2 VVVV is the vertical visibility in feet RRRRR is the range setting in feet 70 Sensor Heater Energized 0 off 1 if heater is...

Страница 25: ...Note 1 6 Receiver Board Status Note 1 7 Blower Heater Status Note 1 8 Laser Temp Control Status Note 1 10 11 Optical Module VREF XX corresponding to hex count 13 14 Battery Voltage XX corresponding t...

Страница 26: ...age Return CR 59 Line Feed LF Note 1 P Pass indicates all diagnostic tests have passed and the sensor is functioning normally F Fail indicates one or more of the diagnostic tests have failed Note 2 Th...

Страница 27: ...escription Value 1 Start of Transmission STX 2 Sensor ID ASCII C 3 Command Identifier A 4 Sensor Status F 6 68 Cloud Height and Monitoring Information 000000 97654 0000 97654 0000 97654 0000 97654 000...

Страница 28: ...Command ASOS Cloud Height Indicator All Weather Inc Model 8339 Firmware version 1 40 Serial Number XXXX Available commands Name Function CA Send routine cloud height data CD Perform extended diagnosti...

Страница 29: ...the command will use internal algorithms to control the heater operation The result of the command indicates the status of the heater at completion Table 17 Responses to ASOS CL Command Position Desc...

Страница 30: ...fter processing the command will energize the heaters To disable manual override of energizing the heater a CL CN or CR command must be sent to the Ceilometer Table 18 Responses to ASOS CM Command Pos...

Страница 31: ...Position Description Value 1 Start of Transmission STX 2 Sensor ID ASCII C 3 Command Identifier N 4 Sensor Heater Energized 0 heater is not energized 5 6 Checksum CC 7 End of Text ETX 8 Carriage Retur...

Страница 32: ...acement Table 21 Responses to ASOS CS Command CS Extended diagnostic ASOS Cloud Height Indicator All Weather Inc Model 8339 Firmware Version 1 40 Serial Number XXXX Optical Module Status Pass Fail Con...

Страница 33: ...eilometer in Shipping Container CAUTION The equipment must be kept dry and not exposed to temperatures below 50 C or above 70 C during shipment and storage 4 2 INSTALLATION The 8339 must be firmly mou...

Страница 34: ...for the Ceilometer s built in lightning protection to function properly the Ceilometer must be grounded To install grounding follow the steps below see Figure 7 1 Drill and tap a 20 hole in the mast...

Страница 35: ...talls directly beneath the Ceilometer s top bracket and the its bottom bracket installs directly above the Ceilometer s bottom bracket 3 Install the blower hood onto the blower unit The screws are alr...

Страница 36: ...hold the ground wire in place Figure 8 Connect Ground Wire to Terminal Block Inside Lightning Surge Suppressor 3 Replace the cover on the Lightning Surge Suppressor 4 Mount the Lightning Surge Suppre...

Страница 37: ...DCP 5 Connect the other unterminated end of the cable inside the DCP as follows a Connect the green wire to terminal block TB4 pin 3 b Connect the brown wire to terminal block TB4 pin 4 c Connect the...

Страница 38: ...s circular connector to the INPUT POWER connector on the underside of the Ceilometer see Figure 10 3 Connect the other unterminated end of the cable to a suitable AC source according to wiring diagra...

Страница 39: ...nt Installation 2 The desiccant package M028179 00 is secured inside the Ceilometer by tie wraps To preserve the desiccant material the package is sealed within a plastic bag during shipment Remove an...

Страница 40: ...reaches its operating temperature Depending on the outside temperature it may take a few minutes for the laser to reach its required operating temperature Slow blinking of the STATUS LED beyond this...

Страница 41: ...altitude clouds will no longer be detected 6 1 2 Blower Check Monthly Each time the windows are cleaned check blower operation by covering the receiver window with an opaque object such as a sheet of...

Страница 42: ...3 Replace the rear panel and secure with six screws removed in Step 1 6 2 FUSE REPLACEMENT The Ceilometer contains two replaceable fuses F1 and F2 located on the DIN rail to the right of the Circuit...

Страница 43: ...not currently used 000100 control board failure configuration failure 000080 optical module board failure 000040 receiver board failure 000020 blower heater fault 000010 optical module heater failure...

Страница 44: ...ower supply fuses When replacing fuses use only those specified for the Ceilometer Failure to use these exact types of fuses may result in permanent damage to the system Figure 15 DIN Rail Components...

Страница 45: ...om the Data Acquisition Board to ensure it is not causing the Data Acquisition Board to fail see Figure 16 Figure 16 Optical Module Connections at the Data Acquisition Board Self testing is not always...

Страница 46: ...ow precipitation to enter the interior of the Ceilometer Whenever a module is being changed the prime power should be shut off remotely The only time the remote power switch should be on with the Ceil...

Страница 47: ...ure 17 Data Acquisition Board Removal 1 The Data Acquisition Board is mounted to the Ceilometer door 2 Disconnect eight cables from the Data Acquisition Board 3 Remove the six screws at the corners an...

Страница 48: ...nnect the heater cable and power supply cable from the Optical Module 3 Remove the two screws securing the Optical Module to the enclosure 4 Remove the two bolts securing the Optical Module to the enc...

Страница 49: ...d to the Power Supply by removable connectors at the top and bottom of the Power Supply Remove the top connector by pulling up until the connector pops free Remove the bottom connector by pulling down...

Страница 50: ...ch should be on with the Ceilometer door open is when checking system operation during troubleshooting 8 2 1 Data Acquisition Board Figure 17 1 Set the Data Acquisition Board in place aligning the hol...

Страница 51: ...hook the top DIN rail clip onto the DIN rail 2 Lower the bottom of the Power Supply onto the DIN rail and press until the lower DIN rail clip snaps into place 3 Connect the five terminal snap on conn...

Страница 52: ...del 8339 Ceilometer User s Manual 46 9 FIRMWAREUPDATES The Ceilometer Firmware Update Tool User s Manual M595167 00 001 describes the tools and procedures for updating the Model 8339 Ceilometer firmwa...

Страница 53: ...ector Si avalanche photodiode variable gain temperature compensated Optics Side by side optical channels Safety Laser Safety FDA Class I 21 CFR 1040 EN 60825 1 Electrical Supply Voltage 100 120 V AC 4...

Страница 54: ...ure Ceilometer NEMA 4X electro polished 304 stainless steel Optional Heater Blower Aluminum Dimensions Ceilometer 19 H 16 W 9 D 48 cm 41 cm 23 cm With Optional Heater Blower 27 H 20 W 16 D 67 cm 51 cm...

Страница 55: ...Com pany determines the part to be defective in material or workmanship the Company shall prepay the cost of shipping the repaired instrument to the claimant Under no circumstances will the Company re...

Страница 56: ...evel Wiring Diagram M403437 04 019 Heater Blower Wiring Diagram 100 120 V AC M403438 04 019 Heater Blower Wiring Diagram 200 240 V AC M403434 01 019 Optical Module Wiring Diagram M403435 04 019 Enclos...

Страница 57: ...allweatherinc...

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Страница 66: ...Model 8339 Ceilometer Site Preparation...

Страница 67: ...s Address 1165 National Drive Sacramento CA 95834 The Low Voltage Directive 73 23 EEC Conforms to the following product specifications EN 61010 1 2001 2nd Edition Issued by Test Laboratory 670 Nationa...

Страница 68: ...st Laboratory 670 National Ave Mountain View CA 94043 650 988 0900 Tel 650 988 6647 Fax www ecmg global com Manufacturer ______________________________ Signature __________________________________ Res...

Страница 69: ...All Weather Inc 1065 National Drive Suite 1 Sacramento CA 95818 8339 F 001 Fax 916 928 1165 Revision M Phone 916 928 1000 February 2021 Toll Free 800 824 5873...

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