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Druck ADTS 505 User Manual

3 - 17

K0260 Issue No. 8

3.7.2 Testing the Aircraft Pitot System

CAUTIONS:

BSERVE

ALL

SAFETY

PRECAUTIONS

DETAILED

THE

IRCRAFT

AINTENANCE

ANUAL

HEN

USING

(

PITOT

ONLY

MAKE

SURE

THAT

THE

DIFFERENTIAL

PRESSURE

)

STAYS

WITHIN

THE

LIMITS

THE

ASI.

Remove the Pitot and static blanking caps and switch ON.

Connect the ADTS 505 to the Aircraft Pitot System.

Press

SPEED/Qc

and make sure the display shows Qc Leak Measure.

Note:

To monitor the rate of change press RATE after pressing SPEED/Qc. The control rate of change
for airspeed is fixed at 300 kts/min.

If necessary, select Units in the Main Menu, press F1 [ft, kts, ft/min]. Press

CLEAR/QUIT

to go back

to the Main Menu.

If necessary change the limits in the Main Menu, press F6 [More], F1 [Limits]. After setting the limits,
press repeatedly

CLEAR/QUIT

to go back to the Main Menu.

Press

LEAK MEASURE/CONTROL

to select control mode and, using the numeric keys, set the control

aim. Press

ENTER

, the airspeed changes to the control aim the rate of change slows as it gets near

the control aim and does not "overshoot" the aim value.

Enter another aim or use the nudge facility to change the aim value. At the end of testing, press

GROUND

to return to zero pressure.

On completion of testing, select

GROUND

and wait for the `Safe at Ground' message to be displayed,

see 3.7.8., refit the pitot and static blanking caps.

Содержание Druck ADTS 505

Страница 1: ...GE Measurement Control Druck ADTS 505 Air Data Test Set User Manual K0260 ...

Страница 2: ...ions are subject to change without notice GE is a registered trademark of General Electric Company Other company or product names mentioned in this document may be trademarks or registered trademarks of their respective companies which are not affiliated with GE ...

Страница 3: ...ans and good engineering practice for all procedures in this publication PIN Protection The ADTS 505 contains two protected menus the operating limits described in this manual and the maintain calibration menu described in the calibration manual The factory set PIN codes are contained in an envelope addressed to the Supervisor IMPORTANT NOTE Change these codes for authorised access Unauthorised ac...

Страница 4: ...k This symbol on the instrument indicates that the user should refer to the user manual This symbol in this manual indicates a hazardous operation Do not dispose of this product as household waste Use an approved organisation that collects and or recycles waste electrical and electronic equipment For more information contact one of these our customer service department contact us at www ge mcs com...

Страница 5: ...ctions and Units of Measure 3 2 3 3 Quick Reference 3 3 3 4 First Time Operators 3 4 3 4 1 Operating Modes 3 6 3 5 Operation and Example Procedures 3 10 3 5 1 Operating Procedures 3 10 3 5 2 Power up 3 10 3 5 3 Control or Measure Parameter 3 11 3 5 4 Leak Testing the ADTS 505 3 11 3 5 5 Changing the Units of Measurement 3 13 3 5 6 Setting Limits 3 13 3 6 Tests Before Use 3 15 3 6 1 Aircraft System...

Страница 6: ...t 5 2 5 3 Fault Diagnosis 5 3 5 4 Warnings and Self test Errors 5 3 5 5 Further Testing 5 6 5 6 Fault Finding 5 14 6 REFERENCE and SPECIFICATION 6 1 Introduction 6 1 6 2 Key pad Selections and Functions 6 1 F1 F6 6 1 ALT Ps 6 2 SPEED Qc 6 2 MACH 6 3 ROC Ps RATE 6 3 RATE 6 4 LEAK MEASURE CONTROL 6 5 GROUND 6 5 0 to 9 6 6 000 6 6 CLEAR QUIT 6 6 DELETE 6 6 HELP 6 7 ENTER 6 7 CLEAR QUIT ENTER ABORT 6 ...

Страница 7: ...nal Hours 6 17 Software Versions 6 17 Security 6 17 Maintain Calibration 6 17 Auto Leak 6 18 6 4 Other Features 6 19 Elapsed Time Counter 6 19 Auto Zero 6 19 Hand Terminal Option A 6 19 Hand Terminal Option B 6 19 Template Format for Creating Test Sequence Files 6 32 Option B Advanced Hand Terminal Specification 6 41 6 5 Specification 6 42 CONTENTS ...

Страница 8: ...de Correction On aircraft 6 15 6 3 Altitude Correction Off aircraft 6 16 6 4 Interconnection 6 20 6 5 Power up Displays 6 21 6 6 Main Menu Screen 6 22 6 7 Main Menu Structure 6 23 6 8 Manual Control Selections 6 24 6 9 Set up Menu Selections 6 27 6 10 Test Sequence Selections 6 30 6 11 Customer Test Sequence File Selections 6 31 6 12 System Status 6 38 6 13 Example Error Screen 6 39 List of Tables...

Страница 9: ...ine pressure ratio etc And so on F Degrees Fahrenheit Fig Figure ft Foot g Gauge h Hour HBC High breaking capacity Hg Mercury hm Hecto metre Hz Hertz IAS Indicated airspeed i e That is in Inch kg Kilogram km Kilometre kts Knots LCD Liquid crystal display m Metre mA Milliampere max Maximum mbar Millibar min Minute or minimum mm Millimetre mph Miles per hour MSDS Material safety data sheet mV Milliv...

Страница 10: ...GA Return Goods Authorization Druck procedure RH Relative humidity RMS Root mean square ROC Rate of climb Rt Rate SST Standard serviceability test V Volts ve Positive ve Negative C Degrees Celsius F Degrees Fahrenheit Druck ADTS 505 User Manual ...

Страница 11: ... detach the connection between to separate keyed or matched equipment parts Dismantle To take apart to the level of the next smaller unit or down to all removable parts Examine To perform a critical visual observation or check for specific conditions to test the condition of Fit Correctly attach one item to another Inspect Review the work carried out by Specialists to ensure it has been performed ...

Страница 12: ...lfunctioning equipment to a serviceable usable or operable condition Replace Remove an item and fit a new or a serviced item Reset To put back into a desired position adjustment or condition Service To perform such operations as cleaning lubricating and replenishing to prepare for use Test Ascertain by using the appropriate test equipment that a component or system functions correctly Druck ADTS 5...

Страница 13: ... s e r P s l a c s a P r o t c a F r a b 0 0 0 0 0 1 t f f b l 2 3 0 8 8 7 4 n i f b l 2 i s p 6 7 4 9 8 6 g H n i 9 3 6 8 3 3 H m 2 O 5 6 6 0 8 9 H n i 2 1 O 9 8 0 9 4 2 r a b m 0 0 1 H t f 2 1 O 7 0 9 8 9 2 m c f g k 2 5 6 6 0 8 9 m t a 0 5 2 3 1 0 1 m f g k 2 5 6 6 0 8 9 t f l d p 2 6 1 8 8 4 1 g H m m 2 2 3 3 3 1 m c n y d 2 1 0 g H m c 2 2 3 3 3 1 r a b h 0 0 0 0 0 0 0 1 g H m 0 2 2 3 3 3 1 t...

Страница 14: ...xii K0260 Issue No 8 Druck ADTS 505 User Manual ...

Страница 15: ...sly entered rates of change and then informs the user when both channels are safely at ground Pre defined sets of limits stored in the system prevent excessive pressures and rates damaging aircraft systems and components A further five sets of operating limits can be defined by the supervisor or quality assurance engineer The user can select sets of limits but cannot change the values The user int...

Страница 16: ...1 1 ADTS 505 GENERAL VIEW Option A Hand Terminal Option B Hand Terminal Air Data Test Set Hand Terminal Leak Measure LEAK MEASURE MODE Mach 0 001 Mach DO NOTOBSTRUCT THESEVENTS W ATE R D R A IN Advanced Hand Terminal Advanced Hand Terminal g T5 0A 250V HBC ...

Страница 17: ...ARINC LIMITS OFF ALT CORRECTION 0 ft MIN Ps 115 972 mbar MAX Ps 1050 406 mbar MIN Qc 0 0 mbar MAX Qc 368 01 mbar MAX Rate Ps 109 85 mbar min MAX Rate Qc 109 85 mbar min Standard Limits Parameter Limit MIN ALT 2 000 ft MAX ALT 60 000 ft MIN CAS 0 0 knots MAX CAS 650 0 knots MAX MACH 1 732 Mach MAX ROC 10 000 ft min ARINC LIMITS OFF ALT CORRECTION 0 ft MIN Ps 65 00 mbar MAX Ps 1088 6 mbar MIN Qc 0 0...

Страница 18: ... ARINC LIMITS OFF ALT CORRECTION 0 ft MIN Ps 10 90 mbar MAX Ps 1355 00 mbar MIN Qc 1355 00 mbar MAX Qc 2490 00 mbar MAX Rate Ps 1000 mbar min MAX Rate Qc 1000 mbar min EPR Limits Parameter Limit MIN INLET 27 0 mbar MAX INLET 1355 0 mbar MIN OUTLET 27 0 mbar MAX OUTLET 2500 0 mbar MIN EPR 0 1 MAX EPR 10 0 MIN INLET RATE 0 MAX INLET RATE 1000 mbar min MIN EPR RATE 0 MAX EPR RATE 60 EPR min ...

Страница 19: ...sory Bag iv Option B comprising Advanced hand terminal Hand terminal cable 18 m option B only Cable communications Cable power supply Power pack Accessory Bag v 3 m hose red vi 3 m hose blue vii User Manual this publication viii Quick Reference Guide K0274 ix Kit fuse o ring also see Figure 2 1 item1 2 2 Packaging for Storage or Transportation Tostoretheunitortoreturntheunitforcalibrationorrepairc...

Страница 20: ...king materials other than the original proceed as follows Wrap unit in polyethylene sheeting Select a double wall cardboard container Inside dimensions must be at least 15 cm greater than the equipment The carton must meet test strength requirements of 125 kg Protect all sides with shock absorbing material to prevent equipment movement within the container Seal carton with approved sealing tape Ma...

Страница 21: ...n Material Authorization RMA in USA providing the following information Product i e ADTS 505 Serial number Details of defect work to be undertaken Calibration traceability requirements Operating conditions Safety Precautions You must also tell us if the product has been in contact with anything hazardous or toxic and the relevant COSHH MSDS in USA references and precautions to be taken when handli...

Страница 22: ... 2 1 ADTS 505 ACCESSORIES Air Data Test Set Hand Terminal Leak Measure L M EAK EASURE MODE Mach 0 001 Mach Advanced Hand Terminal Advanced Hand Terminal g 191 198 2 1 5 18m 3A 6 9 12 13 11 Note Item 13 supplied for the country of use 10 18m 4 ...

Страница 23: ...M0 AC Power 5M 250V European plug 1 4 AS505 56 3124M0 Option A Hand terminal Assembly 1 4 1 Option A and B Hose red 5M Hose blue 5M 1 5 AS505 54 3124M0 Option A Cable Hand terminal 18M option 1 6 AS505 57 3124M0 Option A and B Bag Accessory Hand Terminal 1 7 AS505 60 3124M0 Handbook User Manual K0260 1 8 AS505 61 3124M0 Handbook Calibration Manual K0272 1 9 AS505 56 3124M1 Option B Hand terminal A...

Страница 24: ...thatcanbesafelyused e g a NEMA 5 15P terminated cable for use in the U S A is approved for a maximum of 125 V ac it must be replaced for a higher supply voltage Make sure that the power supply is off before connecting the power cable If required connect the hand terminal to the connector on the front panel Note Connecting the hand terminal to the unit disables the front panel key pad Fuses The two...

Страница 25: ...ply voltage The Safety Extra Low Voltage SELV power adaptor complies with EN61010 including safety requirements for laboratory instruments Note The instrument can be powered from other DC power supplies of the correct voltage range It is the user s responsibility to make sure the power supply is safe Make sure that the power supply is off before connecting the power cable Communications Connection...

Страница 26: ...EN IN CONTROL MODE CHECK THAT A SMALL FLOW OF AIR COMES OUT OF THE DRAIN PIPE Notes 1 When checking for a small flow of air do not block the drain pipe completely this causes a back pressure in the pipe and controller instability 2 If no air flows from the drain pipe when in control mode switch off and start again If no air flows after a re start switch off and do not use the ADTS 505 return the u...

Страница 27: ...Druck ADTS 505 User Manual 2 9 K0260 Issue No 8 2 FIGURE 2 2 ADTS 505 ALTITUDE CORRECTION ON AIRCRAFT FIGURE 2 3 ALTITUDE CORRECTION OFF AIRCRAFT ...

Страница 28: ...ch Hand terminal connector option Ps static connector Pt pitot connector Power supply connector G stud round Earth Key pad and display Air vent Water drain D O N O T O B S T R U C T T H E S E V E N T S W A T E R D R A I N T5 0A 250 V HB C F IGURE 2 4 ADTS 505 G ENERAL VIEW ...

Страница 29: ...re the aircraft adaptors are serviceable and the pipe connections are air tight Note Do not connect the air data test system to a contaminated aircraft system Inspect the static vents and pitot probes for dirt and debris before connecting If necessary check the pitot static system water drain traps Connect to the air data test system the hoses necessary for the test procedures to be carried out ST...

Страница 30: ...tly selected pressure units from the following list mbar inHg mmHg inH2O 4 C inH2O 20 C inH2O 60 F psi hPa kPa Operating Range and Performance The ADTS 505 is supplied with a full scale range of 650 knots for measurement and control of the pitot pressure channel The unit can measure altitude up to 105 000 ft altitude control depends on the performance of the pump the integral pump is capable of ac...

Страница 31: ...ate of change of Pitot or Mach parameter press parameter then RATE read only GROUND Controls Ps to atmospheric pressure and Qc to zero both at current rates of change SETUP Changes functions limits and units if save lock pressed changes are permanent HELP Press HELP for further information on current selection display 0 9 Number entry 000 Minus sign for first number entry 000 thousand if not first...

Страница 32: ... 06 LAST CALIBRATED DD MM YYYY THERMAL TEST PLEASE WAIT ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABORT DELETE ENTER LEAK MEASURE CONTROL HELP SETUP Software Version 1 06 LAST CALIBRATED DD MM YYYY CHECKING FOR VACUUM LEAKS ADTS 505 ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABO...

Страница 33: ... will be QUAD format see above unless changed in SETUP and Save Settings selected 6 The connection of an optional hand terminal option A or B causes the front panel display to show one of two messages or To change between these two displays see SETUP and Display Hand Term Monitor or Message See paragraphs 3 4 1 and 3 9 ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8...

Страница 34: ...go to ground show the key presses and selections required for each mode Measure Mode The system automatically enters measure mode after a successful self test To change the display press To store display for the next power up press To return to measure mode press To set the display to show Monitor or Message pressF6 Thisswitches between the two settings and operates only when the hand terminal is ...

Страница 35: ...Limits Enter PIN ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABORT DELETE ENTER LEAK MEASURE CONTROL HELP SETUP USER 1 USER 2 USER 3 USER 4 USER 5 MAX STANDARD CIVIL Active Limit Set CIVIL Available Preset Limits Available User Limits t s Select Limit Limits Save Settings Modify Details Modify Name User Supervisor ALT Ps SPEED Qc MACH Pt R...

Страница 36: ...int To change the Aim value press the required parameter key and using the numeric keys set the new Aim value If necessary use DELETE to remove the last digit set in the Aim value display field The display shows each numeric key press a beep sounds with each key press When the display shows the new Aim value press ENTER The display shows the parameter changing as the system controls to the set poi...

Страница 37: ...e display changes to At ground and zero the display shows safe at ground for 5 secondsthentheADTS505systemclosestheoutputvalves to isolate the aircraft system and goes into a system datum check routine includes operation of the pump and control valves go to 3 7 8 for more details After completion of the system datum check routine the displayshowssafeatgroundandthemessage PressClear Quit to continu...

Страница 38: ...o ON and check the power indicator lights The display shows the following sequence a ADTS 505 power up screen with the software version and the last calibration date b Sequence of system and pneumatic tests i Thermal test ii Testing for vacuum leaks iii Testing for pressure leaks iv Pressurizing pumps v Finding valve bias vi Measuring ground pressure vii Equalising system pressures c Display shows...

Страница 39: ...is displayed as it is pressed The existing aim is replaced when the first digit of the new aim is pressed If an error is made during the entry of data press CLEAR QUIT to restore the original aim Press ENTER to action the new aim Note 1 The 000 key can be used as a quick way of entering thousands If this key is pressed first i e beforeanumberisentered thevaluebecomesnegative pressagainthevaluebeco...

Страница 40: ...der LEAK MODE WAIT TIMING RATES AVAILABLE Wait until rate timer has completed the rate parameters on the display changes from Leak Measure to Timed Leak Measure and shows the results in units min Check ROC is less than 25 ft min and Rt CAS is less than 0 25 kt min Press CLEAR QUIT to return to the main menu Press LEAK MEASURE CONTROL to return to Control mode Press GROUND to go to atmospheric pres...

Страница 41: ...ng message Changed aim to current limit Press CLEAR QUIT the system automatically modifies the aim values so that the limits are not exceeded All limits of associated parameters are checked if these limits are exceeded the display shows the warning message and the parameter modified Similarly if an ARINC 565 limit is exceeded when entering a value and ARINC limits are enabled the display shows a w...

Страница 42: ...storethenewdetails or name to be used on the next power up of the system Notes 1 For temporary changes press QUIT CLEAR in place of Save Settings 2 The factory defined limit sets STANDARD MAX and CIVIL cannot be changed Limits t s View Details Select Limits Enter PIN ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABORT DELETE ENTER LEAK MEASU...

Страница 43: ...eter rate RtPt ROC during leak testing ThepressurecontrollerswithintheADTS505havetheabilitytofeedaleakwithinanaircraftsystem When first testing an aircraft system carry out a leak test in accordance with the aircraft maintenance manuals If during a leak test a leak in the system produces a rate of climb greater than 3000 ft min or a rateofchangeofairspeedgreaterthan 300knots min thenthepressurecon...

Страница 44: ... control rate of change for altitude can be changed within the selected limits 4 If necessary select Units in the Main Menu press F1 ft kts ft min Press CLEAR QUIT to go back to the Main Menu 5 If necessary change the limits in the Main Menu press F6 More F1 Limits After setting the limits press repeatedly CLEAR QUIT to go back to the Main Menu 6 PressLEAKMEASURE CONTROLtoselectcontrolmodeand usin...

Страница 45: ... 300 kts min 4 If necessary select Units in the Main Menu press F1 ft kts ft min Press CLEAR QUIT to go back to the Main Menu 5 If necessary change the limits in the Main Menu press F6 More F1 Limits After setting the limits press repeatedly CLEAR QUIT to go back to the Main Menu 6 PressLEAKMEASURE CONTROLtoselectcontrolmodeand usingthenumerickeys setthecontrol aim Press ENTER the airspeed changes...

Страница 46: ...hen in turn press ALT Ps ROC RATE Ps SPEED Qc and Rate this will display the parameters in the most appropriate order 4 If necessary select Units in the Main Menu press F1 ft kts ft min Press CLEAR QUIT to go back to the Main Menu 5 If necessary change the limits press SETUP select F3 Limits After setting the limits press repeatedly CLEAR QUIT to go back to the Main Menu Note The control rate of c...

Страница 47: ... MACH Pt Enter an aim of 0 45 Wait for the Mach aim to be achieved The system keeps the Mach aim constant by controlling changing Pt pitot leaving Ps static at a constant value Oncompletionoftesting selectGROUNDandwaitforthe SafeatGround messagetobedisplayed see 3 7 8 refit the pitot and static blanking caps Notes 1 If the altitude Ps static changes the system automatically adjusts Pt pitot to kee...

Страница 48: ... mode Press ROC RATE Ps and set an Aim of 5000 ft min Press ALT Ps and set an Aim value of 30 000 ft and press ENTER The system starts to control to the new set point 5 Press the LEAK MEASURE CONTROL to enter measure mode Press F1 Rate Timer and press F1 Start Timing 6 At the end of the timing check the rate of change leak rate this should be within the required limits stated in the Aircraft Maint...

Страница 49: ...R and observe the airspeed changing Using the NUDGE facility to step increase at a fixed increment 0 2 knots the Aim value Increase the Aim until the switch operates contacts close and record the value ChangetheAimtoabovetheairspeedoperatingrange i e 133knots Repeatthesteps decreasing the Aim value until the airspeed switch operates contacts open and record value Oncompletionoftesting selectGROUND...

Страница 50: ...o control Press Rate Inlet F2 and set 200mbar min Press Rate EPR F4 and set 0 8 EPR min Press Inlet F1 set an aim value of 500 mbar 15 inHg Select EPR F3 set an aim value of 1 8 Wait for the controller to achieve the EPR aim value Press Outlet F5 to confirm 900 mbar Note EPR testing can also be performed by specifying the actual INLET and OUTLET values In the above example with inlet at 500 mbar a...

Страница 51: ...bles the key pad it is safe to disconnect the pipes from the aircraft system or UUT After completing this operation the display changes back to safe at ground with the message Press Clear Quit to continue It is now safe to continue testing or to switch off and disconnect the aircraft system or UUT Note If the ADTS 505 stays in the safe at ground for 30 minutes the confirmingsystemsettings operatio...

Страница 52: ... connected the system auto detects the hand terminal and disables the front panel key pad Thefrontpaneldisplayshows RemoteHandTerminalOperating message monitor orthecurrent valuesandmodesofthehandterminal monitor Thedisplaymenuinset upprovidestheselection between message and monitor Advanced Hand Terminal Option B CAUTION ONLY USE THIS ADVANCED HAND TERMINAL WITH ADTS 505 UNITS AT MODIFICATION STA...

Страница 53: ... C F2 H O C F3 H O F F4 kPa F5 hPa F6 more 2 of 2 Pt 2 4 2 20 2 60 F1 psi F2 mmHg F3 H O C F4 H O C F5 H O F F6 more 2 of 3 CAS Qc 2 4 2 20 2 60 ROC Rt Ps F1 ft min F2 m min F3 m s F4 hm min F5 mbar min F6 more 1 of 3 ROC Rt Ps F1 Hg min F2 psi min F3 mmHg min F4 min min F6 more 2 of 3 H O C F5 H O C 2 4 2 20 ROC Rt Ps F1 min F2 kPa min F3 hPa min F4 F5 F6 more 3 of 3 H O F 2 60 Mach Pt F1 Mach F2...

Страница 54: ...3 26 Operation K0260 Issue No 8 ...

Страница 55: ...Druck ADTS 505 User Manual 3 27 K0260 Issue No 8 3 ...

Страница 56: ...3 28 Operation K0260 Issue No 8 ...

Страница 57: ...s product as household waste Use an approved organisation that collects and or recycles waste electrical and electronic equipment For more information contact one of these our customer service department Contact us at www ge mcs com your local government office Task Code Period Inspect A Daily before use Inspect B Weekly Test C Before use Test D Daily before use Calibrate E Every 12 months Replace...

Страница 58: ...can be used TABLE 4 2 MATERIALS LIST Note Equivalent substitutes can be used TABLE 4 3 TOOL AND TEST EQUIPMENT REQUIREMENTS Item Number Item Name Description 1 Cloth Cotton Lint free 2 Alcohol Isopropyl MIL A 10428 Grade A 3 Detergent Mild Liquid 4 Brush Soft bristle MIL B 43871 Ref Code Nomenclature Manufacturer s part number 1 Voltmeter Digital GE DPI620 2 Insulation Tester 250V Robin ...

Страница 59: ...nd before use carry out the SST detailed in Section 5 E Normal calibration period 12 months When calibration is due the unit should be withdrawn from service and returned to depot or calibration facility The date of calibration is stored in the unit and displayed in the power up sequence and on a label on the front panel Do not use a unit with out of date calibration Engineering authority may chan...

Страница 60: ...e operator Return the unit to the repair depot for further testing and replacement of items Replacing the output connector o ring After inspection as detailed in maintenance task B carry out the following if the o ring is worn or damaged Carefully remove the o ring from the small groove at the top of the connector Fit a new o ring in the small groove at the top of the connector Make sure the o rin...

Страница 61: ...power supply connector 1 Unscrew and remove the fuse cap 2 and fuse cartridge 3 from the front panel and replace the fuse cartridge 3 Note Fit the correct type of fuse detailed in Section 2 Installation and on the front panel Refit the fuse cap 2 and fuse cartridge 3 to the front panel Reconnect power supply connector 1 Switch on the power supply The instrument should now be operational If a fuse ...

Страница 62: ...sured resistance must not exceed 0 10 Measure insulation using the Insulation tester item 2 Table 4 3 set to an appropriate range Measure the insulation resistance between the shell of the connector andall individual pins in turn Measure the insulation resistance between the shell of the appropriate connectors and all pins in turn Measure also the resistance between individual pairs of pins i e 1 ...

Страница 63: ...re displayed during normal operation if out of range values are entered or if faults occur This section details the standard serviceability test and the possible error messages and codes that can be displayed A fault diagnosis flow chart and table provide the probable cause and procedures to rectify specific symptoms Error messages When the display shows a message indicating entry of incorrect dat...

Страница 64: ...1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABORT DELETE ENTER LEAK MEASURE CONTROL HELP SETUP ADTS 505 Software Version 1 06 LAST CALIBRATED DD MM YYYY THERMAL TEST PLEASE WAIT ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABORT DELETE ENTER LEAK MEASURE CONTROL HELP SETUP Software Version 1 06 LAST CALIBRATED DD MM YYYY CHECKING FOR VACUUM LEAKS ...

Страница 65: ...l completion of this test procedure switch off and disconnect the power supply 5 3 Fault Diagnosis If a fault occurs refer to the fault location chart Figure 5 1 and Table 5 1 for possible fault causes and recommended action If the display shows a warning or error message refer to the section below If a pneumatic leak or controller is suspect refer to section 5 5 5 4 Warnings and Self Test Errors ...

Страница 66: ...5 4 Testing and Fault Finding K0260 Issue No 8 FIGURE 5 1 FAULT FINDING CHART ...

Страница 67: ...turn ADTS 505 to depot for repair F2 Power supply indicator lights no display Internal fault Record fault and return ADTS 505 to depot for repair F3 No self test message Internal fault Record fault and return ADTS 505 to depot for repair F4 Display shows error message Error detected Refer to fault finding tables F5 Display does not show Leak Measure mode If display stops at Thermal Test System com...

Страница 68: ...ar with the whole of the test procedure before beginning the test procedure The unit must be thermally stable switch on and leave the unit for at least one hour to achieve thermal stability Make sure the blanking caps are fitted to the Ps and Pt front panel outputs Change the units to mbar as follows 1 Select UNITS then select mbar and mbar min 2 Select Save Lock and then press CLEAR QUIT and the ...

Страница 69: ...mance Any values shown on the screen are an indication and not a precise value To assess the system enter a set point and a rate so that achieving the set point takes at least 5 minutes Once set and controlling select setup and display the system data screen using the menu selection below FIGURE 5 2 SYSTEM SCREEN FOR DIAGNOSIS SETUP F4 F6 F2 1 of 2 Maintain Calibration View Manifold Setup Maintena...

Страница 70: ...gnostics Controller Source Pressures Pressure Pressure pump drive state POV Pressure On Flow or blank pump off Vacuum Vacuum pump drive state VOF Vacuum On Flow or blank pump off Processed information Major Measurement Control Parameters Ps Ps Channel Pressure mbar absolute 0 to 1355 Qc Qc Channel Pressure mbar differential 1355 to 2490 Pt Pt Channel Pressure mbar absolute 0 to 3845 ground Ambient...

Страница 71: ...Druck ADTS 505 User Manual 5 9 K0260 Issue No 8 5 FIGURE 5 3 SYSTEM SCHEMATIC Schematic shown on the advanced hand terminal ...

Страница 72: ...lity in the maintenance calibration selection of the set up menu The procedure to test the key pad requires each key to be pressed in turn and to confirm the correct key press on the display Make sure the display shows only the appropriate key press Note Connecting the hand terminal disables the front panel key pad FIGURE 5 4 KEY PAD TEST DISPLAY ...

Страница 73: ...ait for 1 min 4 Press LEAK MEASURE CONTROL to return to Leak Measure mode 5 Select Rate Timer and select Set Wait 05 00 Set Time 01 00 and then select Start Timing 6 At the end of the timing period the display shows the rate of change of Ps Qc and Pt 7 Check that the Ps Qc and Pt rates are less than or equal to 0 5 mbar min If the leak rate is not achieved allow further thermal stabilization time ...

Страница 74: ...t the end of the timing period press ROC RtPs to display the measured rate of change of ALT Ps 7 Check that the Ps Qc and Pt rates are less than or equal to 0 5 mbar min If the leak rate is not achieved allow further thermal stabilization time and re test by selecting Rate Timer and select Set Wait 05 00 Set Time 01 00 8 Press CLEAR QUIT to exit rate timer display Range check Control the Ps and Qc...

Страница 75: ...an ALT Ps Aim of 510 mbar with a rate of change of 204 mbar min 3 Enter a Speed Qc Aim of 0 mbar with a rate of change of 204 mbar min 4 Press ALT Ps and wait for the aim values to be achieved 5 Observe the measured values of Ps and Qc on the display for 1 min 6 Check that the displayed value of Ps remains within 0 068 mbar 7 Check that the displayed value of Qc remains within 0 068 mbar ...

Страница 76: ... Pressure leak in Ps Leaking Ps channel pressure control valve Return unit to repair depot 33 Pressure leak in Pt Leaking Pt channel pressure control valve Return unit to repair depot 36 Ps Aim Overshoot Connected system leak rate changing Check hoses and aircraft systems for leaks 37 Ps aim value unobtainable Leak rate on Ps too high to control Check port caps hoses and connectors for leaks 40 Pt...

Страница 77: ...n select EPR 227 Changed Aim to Current Limit Value out of limit range Re enter value within allowed range 228 Limit Overlap Value conflicts with limit ranges Re enter value within allowed range 229 Limit Saved Valueoutofacceptable range Re enter value within allowed range 241 Ground Request in Leak Mode System must be in control mode Select control mode 243 LDK has an invalid EEPROM archive Inval...

Страница 78: ... failure Return unit to repair depot 293 LimitentrychangedtoMAXlimit set User tried to enter limit out of range of instrument Re enter within maximum range of instrument 295 CAS is outside MAX limits Differential pressure applied at Ps Pt ports over range Check reduce Ps Pt pressure applied to ADTS 505 296 Alt is outside MAX limits Pressure applied at Ps port over range Check reduce Ps pressure ap...

Страница 79: ...de the display flashes between the normal aim measure screen and Ps Sensor Outside Calibrated Range In control mode the display shows CONTROL HALTED the system stops controlling and switches off the pumps When the sensor detects a temperature of 55 C the display stops flashing Before re entering control mode check the air vents for obstructions To re enter control mode press LEAK MEASURE CONTROL t...

Страница 80: ...5 18 Testing and Fault Finding K0260 Issue No 8 Intentionally left blank ...

Страница 81: ...D HELP SETUP 0 to 9 000 CLEAR QUIT DELETE ENTER Double key press ABORT CLEAR QUIT ENTER 6 2 Key pad Selections and Functions F1 F6 These function keys or soft keys are used to select choices from menus The main menu choices are shown next to the keys After making a menu choice the display shows further selections in a sub menu or the display changes indicating a successful selection When a sub men...

Страница 82: ...pressure and the display shows Qc Note For testing purposes Calibrated Airspeed CAS equates to Indicated Airspeed IAS If the altitude aim is changed after the entry of CAS the Mach aim value changes while the CAS value remains unchanged If the altitude aim is changed after the entry of Mach the CAS aim value changes while the Mach value remains unchanged If the Ps aim is changed after the entry of...

Страница 83: ...he Ps aim is changed after the entry of Pt then the Qc aim value changes while the Pt remains unchanged When in Control Mode AIM display a new Mach or Pt aim can be entered using the numeric keys Use LEAK MEASURE CONTROL to change between Control and Leak Measure mode ROC Ps RATE In aeronautical units ft or m this key selects the Rate of Climb ROC or vertical speed display In pressure units mbar i...

Страница 84: ...change of pressure Rate Qc display In leak measure mode the display shows the current rate of change In control mode this key selects the fixed rate of change of airspeed Rate CAS of 300 kts min or the equivalent rate Rt Qc in pressure units min Select UNITS from the main menu to change between aeronautical and pressure units Use LEAK MEASURE CONTROL to change between Control and Leak Measure mode...

Страница 85: ...ircraft system to return to local atmospheric pressure Note The go to ground operates only in control mode The ADTS 505 records local atmospheric pressure during the power up sequence When GROUND is pressed a prompt asks the user to confirm YES or NO The system automatically enters an altitude or static aim equivalent to local atmospheric pressure QFE and an airspeed or dynamic pressure aim of zer...

Страница 86: ...ces three zeros for fast entry of thousands e g to enter 1000 Press 000 Display shows Press 1 Display shows 1 Press 000 Display shows 1000 Note When 000 is pressed during entry of an aircraft name for limits it always produces CLEAR QUIT During numeric entry CLEAR QUIT removes the new number and restores the previously entered number Note Once the ENTER key has been pressed the old number cannot b...

Страница 87: ...ABORT When CLEAR QUIT and ENTER are pressed simultaneously the ADTS 505 restarts from the power up sequence When these keys are pressed all output valves immediately close isolating the aircraft systems The ABORT function should only be used as a last resort When a restart is required after the system has shutdown displaying an error message As an emergency measure If the system is restarted by pr...

Страница 88: ...ect each in turn and using the numeric keys change the time and rate time to the required values Select Start Timing to begin the test The display shows Waiting 0 00 at the bottom of the screen and counts down the waiting period The display then changes to Timing 0 00 and counts down the timing period After the timing period the ROC and RtCAS changes to Timed Leak Measure and shows the units min l...

Страница 89: ...lect the units and then press CLEAR QUIT The available units are Example Aeronautical units ft and kts ft min includes Mach m and km h m min includes Mach Units of pressure measurement mbar Note See set up to change to another unit of pressure measurement Selecting Units F4 from the main menu displays the three available sets of units as follows F1 F2 F3 F4 F5 F6 F2 Units Main Menu ft kts ft min m...

Страница 90: ...ol and Leak Measure mode Rate EPR When in Control Mode AIM display the rate of pressure change can be set using the numeric keys Use LEAK MEASURE CONTROL to change between Control and Leak Measure mode Hold Selecting HOLD causes a changing pressure to instantaneously hold Selecting HOLD again releases the pressure to continue to the aim value The HOLD facility applies to both channels simultaneous...

Страница 91: ...t pressing a key pad function key the display changes the displayed parameter The display will not change if RATE is pressed when ROC RtPs is displayed Dual The display shows two parameters only one can be a rate The display will not show RtCAS and ROC RtPs together and automatically changes to show CAS or ALT respectively The display highlights the last selected parameter Quad The display shows f...

Страница 92: ...ement mbar inH2O 60 F inHg psi mmHg hPa inH2O 4 C kPa inH2O 20 C Selecting Units from the main menu displays the three available sets of units to change the available sets press SETUP and select Setup units Select a parameter to change i e ALT Ps the current unit in brackets The display shows units of altitude ft or metres and pressure units Similarly selecting the other parameters causes the disp...

Страница 93: ...being outside the limits the display shows the warning message Changed entry to current limit the system automatically changes the aim value to within the selected limits This warning message is also displayed if the pressures measured directly after power up are outside the limits used at power up After selecting a set of limits the altitude correction value can be changed using SETUP Altitude Co...

Страница 94: ... seven screens of characters compose the name of the new limit set press ENTER Select Modify Details F4 set the units aeronautical and pressure to be used and after each entry of a completed value press ENTER ARINC Limits The ARINC 565 limit can be selected ON or OFF in a set of user defined limits When selected the values entered and or achieved in control mode are checked within the operating en...

Страница 95: ...and the aircraft system or UUT are at different heights Enter the height difference between the aircraft system or UUT and the ADTS 505 reference level If the ADTS 505 front panel is vertical use a reference level of the mid point on the front panel If the ADTS 505 front panel is horizontal then use the reference level of the top of the case If the aircraft system or UUT is below the ADTS 505 ente...

Страница 96: ...6 16 Reference and Specification K0260 Issue No 8 FIGURE 6 3 ALTITUDE CORRECTION OFF AIRCRAFT Date Format The format of the date can be changed to satisfy local requirements ...

Страница 97: ... characterisation menu This security menu allows the code or number of digits to be changed Both PIN code can be up to 10 digits A single zero disables the PIN protection allowing unrestricted access to the settings Maintain Calibration Test Keypad The display shows a schematic of the key pad with indications of each key press A test procedure for the key pad test is detailed in section 5 Testing ...

Страница 98: ...alve requires exercising to bed into the valve seat The recommended time for this function is 8 hours SelectingthisfunctionoperateseachapplyandreleasevalveseveryseconduntilCancel Test is selected Cancel Test This stops the work valves function Calibrate Sensors The calibration function requires the calibration switch on the front panel to be enabled This procedure must be carried out by a qualifie...

Страница 99: ...key pad The system auto detects the hand terminal at power up or when connected and automatically disables the front panel key pad The front panel display can be set to show the message Remote Hand Terminal Operating or to monitor mode showing the current values and modes selected by the hand terminal In monitor mode the front panel display shows only these values and modes but no function key sel...

Страница 100: ...cable 191 198 Normal operation using option A and option B ALT Ps SPEED Qc MACH Pt ROC RATE Ps GROUND RATE 7 F6 F5 F4 F3 F2 F1 4 1 _ 000 8 5 2 0 9 6 3 CLEAR QUIT ABORT DELETE ENTER LEAK MEASURE CONTROL HELP SETUP REMOTE HAND TERMINAL OPERATING Option A Hand Terminal Option B Advanced Hand Terminal Air Data Test Set Hand Terminal Leak Measure LEAK MEASURE MODE Mach 0 001 Mach ...

Страница 101: ...heck the pump operates the power indicator lights air discharges through the water drain Connect the cable to the AHT communication connector on the ADTS 505 Check that the screen shows the correct display Check that the ADTS 505 screens show the correct display messages Note This Windows based facility hides many of the normal features of Windows FIGURE 6 5 POWER UP DISPLAYS ...

Страница 102: ...theup downfunction Back Returns to the previous screen Control Switches all channels between measure and control modes Restore Default Values Restores the last set of stored data values or unit selection saved as a default Save Settings Data Values or unit selection saved as a default Select Activates the highlighted function Exit Program Exits Program Enter Confirms data entry to a numeric field ...

Страница 103: ...Druck ADTS 505 User Manual 6 23 K0260 Issue No 8 6 FIGURE 6 7 MAIN MENU STRUCTURE System Set up Manual Control Screen Engine Pressure Ratio Screen Select Customer Test Sequence File Screen ...

Страница 104: ...easure mode displaying pressures in the last selected units of measurement The system can be switched between aero units and pressure units these units can only be changed in set up mode Selecting control leak measure switches between leak measure mode and control mode In control mode the set of limits provide protection for the aircraft system and can only be changed in set up mode ...

Страница 105: ... Numbers higher than 60 are interpreted and displayed as minutes and seconds i e 90 1 minute 30 seconds 1 30 2 After selecting the timer values and with the required the Ps1 Ps2 and Pt readings press the START key The time counter shows the progress of the test wait time then test time The results at the end of the test shows the timed rates for each channel indicated by T after the digits 3 Press...

Страница 106: ...s show GROUND the controller takes all channels to ground pressures and Qc to zero as shown above Note At any time during this operation pressing Leak Measure stops the operation 2 The display shows At Ground Pressures see above Pressing OK cancels the yellow message box but leaves the system At Ground Pressing Leak Measure returns the system to Leak Measure mode ...

Страница 107: ...Druck ADTS 505 User Manual 6 27 K0260 Issue No 8 6 Select Set up 1 From the main menu select system set up FIGURE 6 9 SET UP MENU SELECTIONS see page 38 see page 28 see page 29 ...

Страница 108: ...e SETUP LIMITS display Select one of the preset limits of MAX STANDARD and CIVIL or define and enable USER 1 limits An eight character name code can replace USER 1 title Default limits This set of limits identified as CIVIL are enabled when the ADTS 505 is switched on MIN ALT 1000 ft MAX ALT 50 000 ft MIN CAS 0 0 knots MAX CAS 450 knots MAX MACH 1 0 Mach MAX ROC 6 000 ft min ARINC LIMITS OFF ALT C...

Страница 109: ... the correction value see Fig 2 2 Auto leak Auto leak automatically regains control if the leak rate becomes too high for any of the control channels Auto leak operates at preset rates of 3000ft min and 300knots min This facility can be switched off and on in set up menu Select Test Sequence File Files stored in the computer 1 From the main menu select Custom Test Sequence File 2 Use the Up and Do...

Страница 110: ...h screen keys to select each test procedure value 3 After selecting the test procedure value use the Control Leak Measure key to select CONTROL 4 The screen changes to CONTROL MODE and shows the actual measurement and rate Measure Control Actual rate of pressure Actual channel readings Set of aim values to be used in control mode Only available in Control Mode changes to Rate Timer in Leak Measure...

Страница 111: ...may be viewed and edited using a spread sheet program such as Excel Files would normally be saved with an applicable name for easy identification and selection A template file TEMPLATE CSV provided on the software distribution with this product may be used as the basis for creating new aircraft test sequences An example below shows how the data fields of the file can be used in the test screens FI...

Страница 112: ...y of the data sheet MUST be saved in CSV file format for direct use by the ADTS 505 user interface program CSV files do not use the colour and column width of the XLS When necessary use and single quotes in free text fields Do not use double quotes this causes program lock up Alternatively copy values entered for Ps1 Test Identifier Parameter Label Prompt Message Ps1 Aim Ps2 Aim Pt Aim Ps1 Rate Ps...

Страница 113: ...s1 Aim a Ps1 Aim b Ps1 Aim c Ps1 Aim d Ps1 Aim e Ps1 Rate a Ps1 b Rate Ps1 c Rate Ps1 d Rate Ps1 e Rate Ps2 Aim a Ps2 Aim b Ps2 Aim c Ps2 Aim d Ps2 Aim e Ps2 a Rate Ps2 b Rate Ps2 c Rate Ps2 d Rate Ps2 e Rate Pt Aim a Pt Aim b Pt Aim c Pt Aim d Pt Aim e Pt a Rate Pt b Rate Pt c Rate Pt d Rate Pt e Rate Ps1 Aim Ps1 Rate Ps2 Aim Ps2 Rate Pt Aim Pt Rate feet feet knots feet min feet min knots min 180...

Страница 114: ...r to find the new csv file Use the file transfer program explorer to find Hand Terminal and file contents of Hard Disc Test Scripts Check that no file exists with the same name as the new csv file If necessary delete the file with the same name To transfer the new csv file click on the file and use the FILE drop down menu and select FILE COPY Go to Hand Terminal and file contents of Hard Disc Test...

Страница 115: ...communications cable Table 2 1 item 5 into an available 9 way D COM port on the PC and the connector of the Advanced Hand Terminal Use the icon on the windows CE desk top to start the File Transfer Utility To start the File Transfer Utility on the PC double click the icon set the File Transfer Utility click the to expand the Advanced Hand Terminal drive as shown Notes 1 Check which serial communic...

Страница 116: ...n condition After approximately 20 seconds this file transfer error message appears Software Settings Refer to 2 7 for the list of software supplied with the ADTS 505ADTS 505 The following details the adjustments that can be made using this software DK285 RTC Adjuster This program enables the adjustment of the system clock in Windows and the real time clock on the control computer board To execute...

Страница 117: ... by clicking the Save Screen Calibration button or restoring the default screen calibration stored by clicking the Restore Default Calibration Data button The system stores the calibration data On completion click the Exit button DK287 Display Backlight Brightness Setting Program This program enables the user to adjust the brightness of the display back light To execute this program exit the ADTS2...

Страница 118: ... Specification K0260 Issue No 8 FIGURE 6 12 SYSTEM STATUS Leak Measure Mode At ground Control Mode valves closed valves open valves closed valves open p u m p s o f f valves open valves open p u m p s o f f p u m p s o n ...

Страница 119: ...Druck ADTS 505 User Manual 6 39 K0260 Issue No 8 6 FIGURE 6 13 EXAMPLE ERROR SCREEN Ps aim value unobtainable Ps aim value unobtainable ...

Страница 120: ...uipment Directive class sound engineering practice SEP Vibration MIL T 28800 Class 2 Shock Mechanical shock conforms to EN61010 CE marked refer to page ii ATEX approval refer to page xii Zone 2 definition refer to page 6 40 For indoor and outdoor use Operating temperature 0 C to 50 C 32 F to 122 F Storage and shipping temperature 25 C to 70 C 13 F to 158 F Operating humidity 0 to 90 RH non condens...

Страница 121: ...55 mm 10 4 x 20 5 x 14 Weight 15 kg 33 lb EMC EN 61326 refer to the declaration of conformity for details Electrical safety EN61010 1 Pressure safety Pressure Equipment Directive class sound engineering practice SEP Shock and vibration MIL T 28800 Class 2 For indoor and outdoor use Operating altitude Up to 2 290 metres 7 500ft Operating temperature 0 C to 50 C 32 to 122 F Storage and shipping temp...

Страница 122: ...at airfield altitudes to a maximum of 7 500 ft above sea level 2 Accuracy at ambient 5 to 35 C 3 Not all combinations are available to prevent excessive Mach number For the Mach number 2 8 limit to be maintained Altitude of 60 000 ft means a CAS limit of 590 2 knots Airspeed of 650 knots means a limit of 55 147 ft Altitude Rate of Climb ROC Calibrated Airspeed Mach Units feet ft min knots Operatin...

Страница 123: ... capacity controls to 71 7 mbar absolute 35 mbar is the lowest calibration point Max Pt 3000 mbar absolute with Ps 500 mbar absolute Max Qc 2500 mbar differential with Ps 500 mbar absolute Altitude Sensor Ps Airspeed Sensor Qc EPR Units mbar abs inHg abs mbar diff inHg diff Maximum Range 1 71 7 3 to 1355 2 1 to 40 950 to 2490 1 to 73 53 0 1 to 10 Accuracy 2 0 1 0 003 0 1 reading 0 125 mbar 0 1 rea...

Страница 124: ...6 44 Reference and Specification K0260 Issue No 8 Intentionally left blank ...

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