GE Druck ADTS 405 R/F Mk2 Instruction Manual Download Page 36

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Chapter 3. OPERATION

18 | ADTS 405 Mk2 Instruction Manual-English

3.2.3 Units of Measure

When operating, in either pressure measure or pressure control modes, the ADTS 405 can display
the following unit information:

Table 3-1: Units of Measure

Figure 3-1: Front Panel

Aeronautical Functions

Display

Abbreviation

Displayed Units

(if applicable)

Altitude

ALT

ft, m

Calibrated and True Airspeed

CAS, TAS

kts, km/h, mph

Mach

MACH

Rate of Climb

ROC

ft/m, m/m, m/s, hm/m

Rate of Airspeed

Rt CAS,

kts/m, km/h/m, mph/m

Rate of Mach

RtMCH

Mach/m

Pressure Functions

Display

Abbreviation

Displayed Units

(if applicable)

Static (Absolute)

[P]

Pitot (Absolute)

[P]

Dynamic or Impact (Differential)

[P]

Engine Pressure Ratio

EPR

Rate of Ps

Rt Ps

[P]/m

Rate of Pt

RtPt

[P]/m

Rate of Qc

Rt Qc

[P]/m

Rate of EPR

Rt EPR

EPR/m

Where

[P]

is the currently selected pressure units from the following list:

mbar, inHg, mmHg, inH

O (4°C), inH

O (20°C), psi, hPa, kPa, inH

O (60°F), kg/cm2,%FS

Summary of Contents for Druck ADTS 405 R/F Mk2

Page 1: ...m GE Data Classification Public Druck ADTS 405 R F Mk2 Air Data Test Set Instruction Manual ADTS HAND TERMINAL POWERSUPPLY 100 120 230V 50 60Hz500VA 115 400Hz500VA FUSES T5 0A250VHRC POWERSUPPLY24 30V FUSES 500VA T20A T32A ...

Page 2: ......

Page 3: ...ed for essential operating and Safety instructions that must be followed to ensure safe operation Use suitably qualified Technicians and good engineering practice for all procedures in this publication A qualified technician must have the necessary technical knowledge documentation special test equipment and tools to carry out the required work on this equipment PRESSURE Do not apply pressure grea...

Page 4: ...e user should refer to the user manual This symbol warns the user of the danger of electric shock Do not dispose of this product as household waste Use an approved organization that collects and or recycles waste electrical and electronic equipment For more information contact your Customer Service using the details shown at the back or your local Government Office Safety and Installation Guide Ai...

Page 5: ...ibratedairspeed d c Directcurrent e g Forexample EOC End ofconversion EPR Engine pressureratio EPROM Electricallyprogrammablereadonlymemory etc And soon Fig Figure ft Foot g Gauge Hg Mercury Hz Hertz IAS Indicatedairspeed i e That is IEEE488 InstituteofElectricalandElectronicEngineers standard488data in inch kg Kilogram LED Light emitting diode M Magnesiumalloy m Meter mA Milliampere max Maximum m...

Page 6: ...Company All rights reserved Pt Total pressure pitot Qc Differential pressure Pt Ps QFE Local atmospheric pressure QNH Barometricpressureatsealevel ROC Rate ofclimb Vc Calibratedvelocity Vt Truevelocity ve Positive ve Negative C DegreesCelsius Abbreviation Description ...

Page 7: ...ual 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 satisfactorily Install To perform operations necessary to properly fit an equipment unit into the next larger assembly or system Maintain To hold or keep in any particular state or condition especially ...

Page 8: ...124M8686 Note Do not use unauthorized sources to service this equipment as this will affect the warranty and may not guarantee further performance PRESSURE UNITS AND CONVERSION FACTORS Pressure units Factor hPa Pressure units Factor hPa mbar 1 0 cmH2O 20 C 0 978903642 bar 1000 0 mH2O 20 C 97 8903642 Pa N m2 0 01 kg m2 0 0980665 hPa 1 0 kg cm2 980 665 kPa 10 0 torr 1 333223684 MPa 10000 0 atm 1013 ...

Page 9: ...ny All rights reserved ADTS 405 Mk2 Instruction Manual English vii Unit Conversion To convert FROM pressure Value 1 in pressure Units 1 TO pressure Value 2 in pressure Units Calculate as follows Value 2 Value 1 x Factor 1 Factor 2 ...

Page 11: ...Start up 15 3 2 1 Connections 15 3 2 2 Power up 16 3 2 3 Units of Measure 18 3 3 Operation quick reference 19 3 4 Operating modes 20 3 5 Operating Procedures 24 3 5 1 Control or Measure Parameter 24 3 5 2 Aim 28 3 5 3 Leak Measure 29 3 5 4 Aircraft system protection 31 3 5 5 Limit Checking 31 3 5 6 Changing Parameters 33 3 5 7 Engine Pressure Ratio EPR 34 3 6 Testing Aircraft Systems or UUT 35 3 6...

Page 12: ...ations 65 5 6 2 Pressure Leak check 65 5 6 3 Vacuum leak check 66 5 6 4 Range Check 66 5 6 5 Controller Stability 66 5 6 6 Testing of Standard and Optional External Communication Ports 67 5 6 7 Testing of IEEE 488 Facility 68 5 6 8 Testing the Altimeter Encoder Option 69 6 REFERENCE AND SPECIFICATION 71 6 1 Introduction 71 6 2 1 F1 F4 72 6 2 2 ALT Ps 72 6 2 3 SPEED Qc 72 6 2 4 MACH Pt 73 6 2 5 EPR...

Page 13: ... and 6 6 86 6 2 38 SETUP SPEED AUTO ZERO 86 6 2 39 SETUP SPEED CAS TAS 86 6 2 40 SET UP SPEED Pt TEMPERATURE 87 6 2 41 SET UP MACH 87 6 2 42 SET UP RATE TIMER 88 6 2 43 SET UP RATE 88 6 2 44 SETUP LEAK MEASURE CONTROL AUTO LEAK 88 6 2 45 SETUP LEAK MEASURE CONTROL AUTO LIMIT 88 6 2 46 SETUP GROUND 88 6 2 47 SETUP PORT 88 6 2 48 SETUP PRINT DATE TIME 88 6 2 49 SETUP EXECUTE TEST PROGRAM 89 6 2 50 S...

Page 15: ... Rate Timer Display Pressure Units 27 3 7 Pt Only Display 27 3 8 Set up example 36 3 9 Configuring Windows For ADTS Subnet IP Address 45 3 10 Ping Test From Windows Command Prompt 46 3 11 PuTTY Configuration 46 3 12 Changing the default password 47 3 13 WinSCP Login Screen 47 3 14 ADTS File System Directories Screen 48 4 1 Output Connector O ring Seal 53 4 2 ADTS 405F AC Fuse Positioning 54 4 3 AD...

Page 17: ...Messages 32 3 3 IEEE 488 facility 49 4 1 Maintenance Chart 51 4 2 Materials List 51 4 3 Tool and Test Equipment Requirements 52 4 4 AC Input Connector 57 4 5 DC Input Connector 57 5 1 Error Messages 59 5 2 Fault Advice and Action 63 5 3 Optional cable AAU 32 units 69 6 1 Aeronautical Units Dual Display 83 6 2 Pressure Units Dual Display 84 6 3 Aeronautical units triple display 84 6 4 Pressure unit...

Page 19: ...quipment a ground facility automatically and safely controls both channels to atmospheric pressure at the previously entered rates of change and then informs the operator when both channels are safely at ground The operator interface is either a hand terminal connected to the front panel or the key pad and display on the front panel Both provide information and control selections for the user thro...

Page 20: ...ft 50 000 ft Min CAS 100 kts 0 0 kts 0 kts Max CAS 850 kts 850 kts 450 kts Min Ps 3 0 mbar 27 615 mbar 115 972 mbar Max Ps 1355 00 mbar 1088 657 mbar 1050 406 mbar Min Qc 1 352 00 mbar 0 0 mbar 0 0 mbar Max Qc 1 700 00 mbar 1688 00 mbar 368 01 mbar Max Mach 12 35 2 5 1 Max ROC 100 000 ft min 9 000 ft min 6 000 ft min Max Rate CAS 2 000 kts min 600 kts min 600 kts min Max Rate Ps 10 000 00 mbar min...

Page 21: ...1 000 kts 1 000 kts 450 kts Min Ps 3 0 mbar 27 615 mbar 115 972 mbar Max Ps 1355 00 mbar 1 128 029 mbar 1050 406 mbar Min Qc 1 352 00 mbar 16 303 mbar 0 mbar Max Qc 2 500 00 mbar 2 490 50 mbar 368 01 mbar Max Mach 14 97 5 1 Max ROC 1000 000 ft min 15 000 ft min 6 000 ft min Max Rate CAS 2 000 kts min 700 kts min 600 kts min Max Rate Ps 10 000 00 mbar min 200 00 mbar min 100 00 mbar min Max Rate Qc...

Page 23: ...ollowing conditions apply for storage or shipping Procedure 1 The unit should be at zero ambient pressure 2 Disconnect all hose assemblies and stow them in the shoulder bag 3 Switch power OFF and disconnect from the electrical power supply 4 Disconnect the power supply cable and the hand terminal cable 5 Disconnect the hand terminal cable from the hand terminal Standard Packaging List ADTS 405F St...

Page 24: ...than the equipment The carton must meet test strength requirements of 125 kg 3 Protect all sides with shock absorbing material to prevent equipment movement within the container 4 Seal carton with approved sealing tape 5 Mark carton FRAGILE on all sides top and bottom of shipping container Note For ADTS 405R rack units loose or peripheral items should be placed in a sealed polythene bag For ADTS 4...

Page 25: ... 405R A 1 3 2 ALTIMETER ENCODER CABLE OPTION SERVICE KIT 2m 18m HAND TERMINAL CABLES DC CABLE OPTION AC CABLE ADTS 405F 2m or 10m REGIONAL LINE PLUG AIRCRAFT HOSES Ps Pt RED BLUE OPTIONAL CONFIGURABLE ORDER ITEMS SERVICES HOSES ADTS 405R ONLY PRESSURE VACUUM YELLOW GREEN 15m AC CABLE ADTS 405R 2 5m REGIONAL LINE PLUG IEC A ACCESSORIES 6 7 9a d 10 12 8 11 EXPANSION PORT DONGLE ADTS 405R ONLY 13 4a ...

Page 26: ...5 15P ADTS 405R 5a 5b 5c 5d 5e 5f 5g 5h 5i 5j 5k 5l 5m 5n 5o 5p AA405F 1 AA405F 2 AA405F 3 AA405F 4 AA405F 5 AA405F 6 AA405F 7 AA405F 8 AA405F 9 AA405F 10 AA405F 11 AA405F 12 AA405F 13 AA405F 14 AA405F 15 AA405F 16 LEAD AC POWER UK 2m LEAD AC POWER UK 10m LEAD AC POWER USA 2m LEAD AC POWER USA 10m LEAD AC POWER EUROPE 2m LEAD AC POWER EUROPE 10m LEAD AC POWER NEW ZEALAND 2m LEAD AC POWER NEW ZEALA...

Page 27: ...entire unit The fuses are connected in the live and neutral supply circuit and are T5A 250V HRC type Only replace the fuses with the correct type see Figure 2 1 item 11 section 4 4 2 3 2 405F Flightline version 1 The power switch on the front panel is not a power isolator as defined by EN61010 To isolate the power supply disconnect the power supply connector Fuses AC Power The fuses fitted in the ...

Page 28: ...RVE THE APPROPRIATE SAFETY INSTRUCTIONS AND PROCEDURES DETAILED IN THE AIRCRAFT MAINTENANCE MANUAL AND COMPONENT MAINTENANCE MANUALS Figure 2 2 ADTS 405R Altitude Reference 2 4 2 405F Flightline version It is important that the position of the ADTS 405F in relation to the aircraft altitude sensors is known An altitude correction must be made to allow for the difference in height between the refere...

Page 29: ...de output decreased by height difference requires positive altitude correction value entered when above ADTS ADTS reference level Aircraft reference level Instruments Air Data Computer PITOT STATIC Cover plate for communications connectors Altitude sensor datum height Solenoid valve status indicator System status indicator Calibration enable switch Power supply switch Pitot output connector Key pa...

Page 30: ...rt Plug MUST be fitted 100 120 230V 50 60Hz 115V 400Hz 400VA FUSED2x T5A250VHRC AC INPUT 24 30V 400VA DC INPUT Cooling fan air intake Expansion port used with GE PV103R pump unit Pitot output connector Static output connector IEEE 488 interface connector Source Pressure Input connector Source Vacuum Input connector Pressure regulator DC power supply Connector option AC fuses holder AC power supply...

Page 31: ... 18m Altimeter encoder connector optional Static output connector Pitot output connector Altitude sensor datum height Power supply switch Calibration enable switch Pump switch Pressure input connector Auxiliary Vacuum output connector Vacuum input connector AC power supply connector DC power supply connector optional DC power Supply fuses Fan outlet cover Elapsed time indicator System status indic...

Page 33: ... Make sure the air data test system power supply switch on the front panel is set to OFF c Connect the air data test system to the electrical supply d Inspect the pneumatic hoses for damage ingress of dirt and moisture Make sure the aircraft adapters are serviceable 3 2 Start up Before use the ADTS 405 should be tested Review and become familiar with the overall operating states and test procedure...

Page 34: ...test message 5 Measuring ground pressure message 6 Equalizing system pressures message 7 Display shows Leak Measure mode and the number of parameters last selected in configuration i The display on the front panel or hand terminal shows Note V xx will display the current software version number ii After a short time the display shows iii Date format can be set to a leading value of day or month in...

Page 35: ...ow be used but for full specification accuracy and stability wait the WARMUP period of 15 minutes The display shows WARMUP in the lower right hand corner this message clears automatically after the time period Note 1 The ADTS 405 is a continuous self monitoring system If the system detects an error the display shows an error message Lists of errors are detailed in Section 5 Fault Finding and Testi...

Page 36: ...ltitude ALT ft m Calibrated and True Airspeed CAS TAS kts km h mph Mach MACH Rate of Climb ROC ft m m m m s hm m Rate of Airspeed Rt CAS kts m km h m mph m Rate of Mach RtMCH Mach m Pressure Functions Display Abbreviation Displayed Units if applicable Static Absolute Ps P Pitot Absolute Pt P Dynamic or Impact Differential Qc P Engine Pressure Ratio EPR Rate of Ps Rt Ps P m Rate of Pt RtPt P m Rate...

Page 37: ...E LEAK MEASURE CONTROL Switches between measure mode for leak testing and control mode GROUND Controls Ps to atmospheric pressure and Qc to zero at current rates of change GO TO GROUND DISPLAY QFE Display local atmospheric ground pressure DISPLAY QNH Display sea level equivalent of local atmospheric pressure PORT See Line Switching Unit User Manual REMOTE Switches toggles between remote and local ...

Page 38: ...rol to local ground pressure The ADTS 405 always powers up in Measure mode with the pressure controllers off When changing to Control Mode the pump unit must be switched on and producing the correct pressure and vacuum Each operating function shows the required key presses to set displays and selections Measure Mode Pressure measurement mode To select the measured parameter press STATIC PITOT ALT ...

Page 39: ...ontrol Mode Pressure control mode Alt Alt Alt Alt From leak measure press For ADTS 405F set the pump switch to PUMP ON 0 ft Leak Measure LEAK MEASURE CONTROL 0 ft Aim 0 Aim of 5000 ft press 5 ENTER LEAK MEASURE CONTROL 000 Return to leak measure at new altitude Aim 5000 5000 ft 5000 ft Leak Measure PUMP ON PUM ...

Page 40: ...1 The volume of the system to be tested large volumes take longer to stabilize 2 The pressure change the higher the change the greater heat generated 3 The ambient air temperature result Display Alt WAIT Alt Alt shows rate timer Static channel altitude 5000 ft measure leak 5000 ft Leak Measure Set rate timer wait 05 00 miutes test 01 00 minutes RATE TIMER TIME F1 00 00 F2 00 00 F3 05 00 00 30 01 0...

Page 41: ...asure Leak Measure Leak Measure CAS 350 kts kts Dual parameter display Single parameter display Note In leakMeasure use F2 and F3 for QFE and QNH information F1 invalid in this mode LEAK MEASURE CONTROL GROUND USER MODE F1 F2 F3 5000 Aim 0 0 Aim Ground CAS 350 0 Aim Ground 5000 ft Aim Ground Alt Aim 120 Ground 120 ft CAS 0 0 Aim 0 0 kts Note This ground value will not be zero and depends on local ...

Page 42: ... change the displayed parameter a Value parameters Press the parameter key e g press SPEED Qc to display airspeed b Rate parameter Press the associated parameter key followed by the rate key for that channel e g display airspeed rate press SPEED Qc then RATE ROC Ps Rate may be directly pressed without first pressing ALT Ps Note The displayed parameters depend on the last keys pressed To display tw...

Page 43: ...able for certain options Note The ADTS 405 automatically returns to the pressure display if left inactive in any set up or menu type display for a period of more than one minute Figure 3 2 Single Display Figure 3 3 Dual Display Controlled or measured parameter Measured value T for timed rate of change Units of measurement Alt Aim 10000 10000 ft WARMUP Aim set point or target or leak measure when c...

Page 44: ...be entered in the rate timer displays Pressing a parameter key ALT ROC etc or CLEAR QUIT exits the rate timer displays Figure 3 5 Rate Timer Display Aeronautical Units Measured values T for timed rate of change Constant indication of values Current changing parameter Aim set point or target or leak measure when controller selected off Pointer for primary parameter aim that changes on data entry Sp...

Page 45: ...ISPLAYS OPTIONS d Select DISPLAY TYPE e Using NEXT or PREV f Select either SINGLE DUAL or TRIPLE ENCODER more display types with options fitted g Press SAVE to accept h Press CLEAR QUIT repeatedly to return to user display Parameters Measured Timed values T for timed rate of change Special message Units of measurement Timed Rates Rt Ps Rt Pt Rt Qc 0 637 T 0 341 T 0 224 T mbar m mbar m mbar m Alt a...

Page 46: ...not be changed 3 5 1 4 Change the unit type a Press the SETUP key b Select UNITS TYPE c Select either AERO or PRESS to select the unit type d Select SAVE to accept e Press CLEAR QUIT repeatedly to return to the main pressure display The default pressure and aeronautical units are defined in the CONFIGuration mode Display cannot be changed with SETUP switched off or in minimum mode 3 5 2 Aim The AD...

Page 47: ...nnecting equipment does not leak a Before use a leak check should be carried out as follows b Connect the pitot and static hoses to front panel of ADTS 405F c Temporarily seal the free ends of the hoses d Set the display to dual display see 3 9 Display e Set the units to feet and knots see 3 13 Changing the Units f Using the SETUP menu choose the limits set for the aircraft or UUT see 3 14 Limit C...

Page 48: ...im values to be achieved Observe over a period of 1 minute that the value of Alt stays within 10 ft and the value of CAS with 1 kt After a successful leak test the ADTS 405 is ready to be connected to an aircraft system or unit under test If the preliminary leak test is unsuccessful h Leave the system to achieve thermal stability for a further five minutes press CLEAR QUIT and repeat the leak test...

Page 49: ...rol This AUTO LIMIT RECOVERY facility can be disabled If negative airspeed or Qc occurs in measure mode the zero valve is automatically opened for one second to balance the airspeed This only applies when the minimum CAS or Qc limit is zero Limits cannot be changed with SETUP switched off or Limit Lock enabled 3 5 5 Limit Checking The system checks all data entered against minimum and maximum limi...

Page 50: ...t in the service manual 222 Pt PRESSURE FAIL The Pt controller has detected loss of supply pressure and automatically switched all channels to measure mode This can occur at very high rates of pressure change in large volume systems if the pumps cannot produce enough pressure Restore pressure supply BEFORE going to control mode again Refer to main fault finding chart in the service manual 223 Pt V...

Page 51: ...To go to 0 8 Mach enter Control Mode and proceed as follows a Press SPEED then RATE to select rate of change of airspeed b Enter required rate e g 300 kts min c Press MACH d Enter 0 8 e Wait for the Mach to be achieved Note If the altitude changes the system automatically adjusts the airspeed to keep the Mach value constant 3 5 6 2 True Airspeed The normal airspeed parameter is Calibrated Airspeed...

Page 52: ...i e 133 knots Repeat the steps 3 to 5 decreasing the Aim value until the airspeed switch operates contacts open and record value This procedure can be repeated If many operations of a switch are required use the oscillating facility detailed in Full Set up see 6 2 30 The above method steps a to g can be applied for the other parameters Examples Altitude switch Low altitude warning Landing gear con...

Page 53: ...ate aircraft or component manual to make sure that the connections to the aircraft system or UUT are not leaking 3 6 1 Go To Ground and Shut down At the end of testing and before disconnecting from the aircraft system or UUT the pressures in the system must be taken to the local atmospheric pressure ground with zero airspeed as follows a If the display shows Leak Measure press LEAK MEASURE CONTROL...

Page 54: ...ows the message Safe At Ground The ground vent and zero valves remain open to keep the aircraft system vented to atmosphere b Press CLEAR QUIT to continue with normal operation The ground vent and zero valves automatically close 3 6 2 SETUP and CONFIGuration options The SETUP key provides access to secondary functions using a menu system extends the keyboard and allows many of the ADTS 405 functio...

Page 55: ...lt settings of the ADTS 405 functions a Holding down F1 then pressing SETUP causes the system to enter CONFIGuration mode CONFIGuration may be password protected using a four digit PIN If PIN protected the display prompts for entry of the PIN Press each digit of the PIN in turn ENTER is not required as each digit is entered an asterisk appears If an incorrect PIN is entered the complete PIN is req...

Page 56: ...ly Pt only or Dual channel control Select single dual or triple display SINGLE DUAL TRIPLE ENCODER CONTROL Ps Pt DUAL DISPLAYS OPTIONS DISPLAY TYPE As NEXT reverse order NEXT PREV SAVE I O SETUP Save displayed Display Type Configure Ethernet ENET SUPER Supervisor node Ethernet parameters IP Address Setup fixed IP Address FIXED IP ADDR MASK Subnet Mask Broadcast BCST Menu option not available DHCP ...

Page 57: ...CAS TAS Pt TEMPERATURE data entry DeƉrih fy current limits Removes Mach limit Orefpiw Wegl pmqmt DEFAULT OFF ON Enter new Mach limit data entry RATE TIME WAIT TIME ON F1 Set up WAIT and TIME time periods For F1 TIME Change to TIME WAIT Change to WAIT of TIME time of WAIT time See Wait Time on F1 data entry data entry WAIT TIME F2 See Wait Time on F1 WAIT TIME F3 RATE Automatic Automatic airspeed r...

Page 58: ...c RATE EPR Pressure units Requireh ryhki mrgrement d Nyhke DOWN SETUP As Nudke UP UNITS TYPE Set units type Minimum set up selected in conƉkuration AERO Set units to default aeronautical units PRESS LIMITS Set units to default pressure units Select set of limits NEXT PREV aircraft 1 aircraft 2 As NEXT in reverse order Select displayed limit set Altitude correction value See user manual K0157 Help ...

Page 59: ...EDIT limits NEXT PREV SEL NEXT PREV As NEXT in reverse order Switch tog gle to ARINC 565 limits Limit value ON OFF data entry ALPHA c Insert alphabet character in name NAME MAX ALT MIN ALT MAX CAS MIN CAS MAX MACH MAX ROC MAX RATE CAS MIN Ps MAX Ps MIN Qc MAX Qc MAX RATE Ps MAX RATE Qc ARINC LIMITS ALTITUDE CORRECTION d Nudge up select next letter in alphabet Nudge down select previous letter in a...

Page 60: ... displayed Display Type MsrƉkyvi Ethernet I O SETUP Supervisor node Ethernet parameters ENET SUPER DHC Network Allocated IP FIXED IP ixyt Ɖ ih SZ Khdress IP Address Subnet Mask Broadcast ADDR MASK BCST CsrƉvq egxmzi SZ wixxmrks Communications node Ethernet parameters SHOW ACTIVE ENET COMMS Network Allocated IP DHCP FIXED IP ixyt Ɖ ih SZ Khdress ixyt Ɖ ih SZ Khdress Subnet Mask Broadcast ADDR MASK ...

Page 61: ...ata entry RATE TIME ConƉgure Pt temperature ConƉgure WAIT and TIME times WAIT TIME ON F1 For F1 Change to TIME TIME Change to WAIT TIME time period WAIT data entry WAIT time period See Wait Time on F1 data entry WAIT TIME ON F2 See Wait Time on F1 WAIT TIME ON F3 RATE Automatic airspeed rate Automatic ON OFF Manual LEAK MEASURE AUTO LEAK ON OFF Auto leak recovery lock ON OFF AUTO LEAK LOCK Lock au...

Page 62: ...iv xs stxmsr ywiv qeryep ERASE PROGRAMS Dipixi xiwx tvskvem NEXT PREV DEL PRINT SAVE Zvmrx ezi qshi wipigxmsn RESULTS PRINT Girivetih viwypx dexe tvmrxid Qirivexih viwypx dexe wezih mr e Ɖpi Riwypx Ɖpih hipixi stxmsn ipigx ri x viwypx Ɖpi SAVE ERASE FILE ipigx tvizioyw viwypt Ɖpi NEXT PREV DEL Dipixi wipigxid viwypx Ɖpi Xyhki yt c NEXT PREV ew XOb mr vizivwi svhir Riuymvih ryhki mrgviqirt Kw nydki...

Page 63: ...tory default IP addresses as follows The ports are most simply tested using a network ping to these addresses Connect the ADTS to a computer equipped with a network interface using a UTP network cable The network interface should be configured with an IP address on the same subnet Example If the ADTS has the default IP addresses then the host network address should be configured as 192 168 2 1 255...

Page 64: ... user name and password for accessing the server is It is strongly advised that the default password be changed as part of the initial end user customisation 3 7 1 1 Changing the Default Access Password Configure the network interface with an IP address on the same subnet as described above Open an SSH client program If using a PC then a third party client such as PuTTY may be used Example a Open ...

Page 65: ...re 5 7 below Figure 3 12 Changing the default password g Close the PuTTY window and confirm that a new connection can still be gained using the new password 3 7 2 Access ADTS files Working with the filing system is best done using a window based FTP client that also supports SSH such as Win SCP The following example sequence shows how access is gained and what file directories are visible a Open W...

Page 66: ...ed from the ETP directory as required Similarly any reports previously generated using the PRINT key will be available under the SPOOL directory This may be transfer to the PC window for archive or hard copy print as required d The access session can now be closed using the Win SCP Session tab Disconnect 3 7 3 Connection of the IEEE 488 Facility CAUTION THE OPTION CONNECTOR COVER MUST ALWAYS BE FI...

Page 67: ...tings are correct press CLEAR QUIT until the display shows the main pressure display 3 8 Enabling the Altimeter Encoder Option a Press and hold down F1 and press SETUP to enter the configuration menu Release both keys b Press MORE DISPLAY OPTIONS DISPLAY TYPE NEXT ENCODER c Check the display shows Encoder is selected d Press SAVE then repeatedly press CLEAR QUIT until the display shows the followi...

Page 69: ... the item in the maintenance tasks for example Use a soft bristle brush item 4 Table 4 2 The description provides further information required to identify the item Table 4 2 Materials List Note Equivalent substitutes can be used 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 F As detailed in fault finding o...

Page 70: ...en calibration is due the unit should be withdrawn from service and returned to depot or calibration facility 1 The date of calibration is stored in the unit and displayed in the power up sequence and on a label on the front panel 2 Do not use a unit with out of date calibration 3 Engineering authority may change the periodicity of calibration depending on usage and the operating environment f As ...

Page 71: ...e task B do the following if the o ring is worn or damaged a Carefully remove the o ring from the small groove at the top of the connector b Fit a new o ring in the small groove at the top of the connector c Check the o ring is located in the groove and not damaged after fitting Note Damage to this o ring causes leaks Figure 4 1 Output Connector O ring Seal 4 4 3 Fuse Replacement Replace the fuse ...

Page 72: ...he fuse cartridges 3 d Refit the fuse holders 2 in the front panel e Connect the power supply connector and switch on the power supply f Set the unit power switch to ON Note If the fuse blows immediately after switch on contact the manufacturer or Service Agent 4 4 3 2 Replacing ADTS 405F DC Fuses On the ADTS 405F two 1 25 Time Lag fuses are located in the holders mounted on the pump rack front pa...

Page 73: ... Pull the capped lid of the fuse carrier 2 on the power supply input socket assembly c Replace the fuse cartridges 3 d Refit the fuse carrier 2 flush in the power supply inlet socket assembly e Refit and reconnect rack mounted units as detailed in Section 2 INSTALLATION f Switch on the power supply and set the power switch to ON The instrument should now be operational Note 1 To gain access to rac...

Page 74: ...nd of each cable assembly The measured resistance must not exceed 2 0 ohms Note This resistance value is the expected maximum value for the 18 metre 60ft cable The resistance value varies depending on the length of the cable c Measure insulation using the Insulation tester item 2 Table 4 3 set to the 250V test range d Measure the insulation resistance between the shell of the connector and all ind...

Page 75: ...e insulation resistance must exceed 2 M ohms Table 4 4 AC Input Connector DC Power Cable part AS405 31 1891M0 a Prepare to measure continuity using the DMM item 1 Table 4 3 set to the applicable resistance range b Measure the continuity between corresponding ADTS connector pin and the conductors at the open end of the cable using the connectivity table 4 5 below The measured resistance should not ...

Page 77: ...ining additional information record the whole error code check that the error code is complete and listed in the table before returning the unit to the repair depot In the event of a fault the built in self test and diagnostic system displays an error message and error code A unit displaying an error should be returned to the repair depot Table 5 1 Error Messages Error Code Error Message Hexadecim...

Page 78: ...selections F1 to F4 indicated on the display screen Note When the display shows a message indicating entry of incorrect data or values pressing CLEAR QUIT clears the message and allows the correct entry to be made 5 3 1 Procedure 5 3 1 1 Connection and power on checks a Connect power to the unit and if necessary connect the hand terminal b Make sure that the blanking caps are fitted to the Ps and ...

Page 79: ... message to clear 3 An automatic zero if enabled takes place regularly The display shows ZERO and the state of the valves on the mimic panel change for approximately six seconds Commands may still be entered while auto zero takes place 5 3 1 2 Pump unit ADTS 405F a Set the front panel switch for the pump unit to PUMP ON and check that the pump power indicator lights b Press LEAK MEASURE CONTROL to...

Page 80: ...AYSAN ERROR MESSAGE TO CONFIRM SERVICEABILITY CARRY OUT THE STANDARD SERVICEABILITY TEST FUNCTIONALTESTING COMPLETE MAKE SURE POWER UP SEQUENCE IS COMPLETED WITHOUT ERRORS N Y N POWER UP MESSAGE HAND TERMINAL DISPLAY POWER UP MESSAGE Power up sequence Last Calibration mm dd yy mdy PLEASE WAIT RPT Transducer Self Test PLEASE WAIT Measuring Ground Pressures PLEASE WAIT Equalising System Pressures Va...

Page 81: ...fuses Record fault and return ADTS 405 to depot for repair F3 Displaypower upmessage appears and status light remains red Internal control computer fault Record fault and return ADTS 405 to depot for repair F4 No front panel display power up message status light green Display fault Use an available hand terminal Record fault and return ADTS 405 to depot for repair F5 No hand terminal display statu...

Page 82: ...s Calibration PIN is enabled and not entered the system will not execute the following procedure CAUTION ONLY SELECT ITEMS DETAILED IN THE FOLLOWING MENUS INCORRECT SELECTIONS CAN CAUSE CHANGES TO SAFETY LIMITS AND THE CALIBRATION DATA OF THE SYSTEM d In maintenance mode with the following screen display e Select F3 The display shows f Select F3 The display shows g Select F1 and when complete pres...

Page 83: ... of mbar 5 6 2 Pressure Leak check This check confirms that the unit does not leak under positive pressure conditions a Press LEAK MEASURE CONTROL to enter control mode The display shows Aim in place of Leak Measure b Enter a Ps aim of 1016 mbar by pressing ALT Ps 1 0 1 6 ENTER c Enter a Qc aim of 272 mbar by pressing SPEED Qc 2 7 2 ENTER Wait for the aim values to be achieved then wait for 1 min ...

Page 84: ... the Ps and Qc pressures to the normal limits of operation and make sure that these are achieved Use minimum Ps and zero Qc and then maximum Ps and maximum Qc Note Do not exceed the maximum Pt as shown on the front panel of the unit Use maximum available rates of change to minimise test times 5 6 5 Controller Stability This check confirms the control stability a Press LEAK MEASURE CONTROL to turn ...

Page 85: ... service purposes only RS232 Port This port is for future function expansion only Current use is for service purposes only Note There are no operator accessible functions on any of the USB ports Ethernet Port This port provides password controlled access to various sections of the internal ADTS filing system Areas available and relevant to operator activities are 1 The Printed records archive see ...

Page 86: ... display perform the test detailed in 5 6 7 1 Programming a Test of the IEEE 488 Facility 5 6 7 1 Programming a Test of the IEEE 488 Facility There are many different programs and items of equipment for communicating over the IEEE 488 interface In the following example the user must be familiar with the IEEE 488 bus controller to be used The following example commands can be used to check for corr...

Page 87: ...5 4 Optional cable AAU 32 units a If the cable is unserviceable replace the cable b Repeat the procedure 3 8 Enabling the Altimeter Encoder Option If the test fails again return the ADTS 405 to the authorised maintenance or repair centre Note The D2 data line turquoise cable is not defined for the AAU 32 it is for above 62 000 ft and not connected Table 5 3 Optional cable AAU 32 units Front panel ...

Page 89: ... full description of each key function including references to associated functions The available keys are F1 F4 ALT Ps SPEED Qc MACH Pt EPR ROC Ps RATE RATE TIMER HOLD RATE LEAK MEASURE CONTROL GROUND PORT REMOTE PRINT EXECUTE TEST PROGRAM HELP SETUP nudge up nudge down 0 to 9 000 CLEAR QUIT ENTER decimal point Double key presses give ABORT CLEAR ENTER CONFIGURATION F1 SETUP ...

Page 90: ...g etc this key selects dynamic pressure and the display shows Qc 2 The airspeed can be displayed and entered as either Calibrated Airspeed CAS Vc or True Airspeed TAS Vt Note For testing purposes Calibrated Airspeed equates to Indicated Airspeed IAS 3 The Pt temperature value affects the calculation of TAS The value of Pt temperature normally measured by the aircraft temperature sensor can be chan...

Page 91: ...ASURE CONTROL to change between control and measure mode 6 2 5 EPR The ADTS 405 can be used to check EPR sensors and indicators 1 Engine Pressure Ratio EPR is only available in pressure units mbar inHg etc 2 For EPR testing use Ps as INLET pressure and EPR to set the ratio of OUTLET pressure Pt to INLET pressure 3 Before entering a new EPR aim the rate of change should be set using the RATE key 4 ...

Page 92: ...ds can be changed using SETUP RATE TIMER providing SETUP lock is not enabled 6 2 8 HOLD When HOLD is pressed a changing pressure is instantaneously held Pressing HOLD again releases the pressure to continue to the aim value The HOLD facility applies to both channels simultaneously Two examples of how the HOLD facility can be used are shown below Example 1 Airspeed switch test a Take the airspeed t...

Page 93: ...tment normally requires a reduction in the rate from the aim value the rate does not exceed the aim value When airspeed not Qc is automatically reduced the display shows A after RATE CAS 6 2 10 LEAK MEASURE CONTROL This key switches between MEASURE and CONTROL mode The controllers are switched off in Measure mode so it can be used to measure leaks in the aircraft system Note The pneumatic supply p...

Page 94: ...Mode 1 Selecting GO TO GROUND automatically enters an altitude or static aim equivalent to local atmospheric pressure QFE and an airspeed or dynamic pressure aim of zero The system pressures will then be controlled towards these aims in the normal way at the rates set by the ROC Ps Rate and RATE keys At any time when going to ground a new rate of change can be entered the ADTS 405 continues going ...

Page 95: ...details 6 2 17 PRINT The ADTS 405 contains a print facility to print the displayed readings together with up to nine user readings e g Pilot Copilot Aux to a text file stored within the ADTS internal file storage system which may be accessed and printed via PC Access to the stored Print files area within the ADTS is gained via the Ethernet port using a PC to create a secure file transfer connectio...

Page 96: ... has a choice of continuing exiting test program execution or going to manual mode In manual mode any of the normal key pad functions may be used e When the manual testing is complete press EXECUTE TEST PROGRAM and the test program continues from where it left off This feature may be disabled by including the KEYLOCK command in the test program While in manual mode the display prompts TPM f When a...

Page 97: ... or down by a small increment This facility can be used to align a pointer of an instrument to a precise indicated value and compare this indicated value with the measured value This facility may be used for pressure switch testing as follows a Aim for a pressure just below the expected operating point b When the pressure is achieved repeatedly press 1 until the switch operates c Record the pressu...

Page 98: ...enus are displayed CLEAR QUIT exits the menu generally to the previous display 3 For those displays containing a SAVE option changes made before pressing CLEAR QUIT are ignored For all other displays changes are saved when CLEAR QUIT is pressed 4 When warning messages are displayed pressing CLEAR QUIT removes the message 6 2 24 ENTER The ENTER key completes numeric entry 6 2 25 CLEAR ENTER ABORT P...

Page 99: ... parameter causes the display to show a warning message 2 Pressing the SETUP key makes the set up functions available Pressing the function keys selects the set up menus using the appropriate function key selects the required menu choice To set up a parameter key press SETUP then press the required parameter key Each parameter key set up provides settings to the normal user mode function of the ke...

Page 100: ...tings can be locked using CONFIG LIMITS LOCK AIRCRAFT so that the operator cannot change the limits d If the selected set of limits result in the measured pressures being outside the limits the display shows the warning message OUTSIDE LIMITS GO TO GROUND the Ps and Pt channels should be taken to ground or to pressures within the new selected limits This warning message is also displayed if the pr...

Page 101: ...To return to dual channel operation a Select SETUP MORE CONTROL Ps Pt DUAL and select DUAL and connect both channels to the unit or aircraft system under test b The channel controllers must be in measure mode when changing CONTROL c The Ps static pressure must be within 10 mbar of the recorded QFE to select Pt only The control channel selection can be locked in CONFIG 6 2 32 SETUP MORE DISPLAYS OP...

Page 102: ...ress 2nd Key Press Upper Display Lower Display Ps Qc Ps Qc Ps Pt Ps Pt Ps EPR Ps EPR Any key RATE Ps Ps RATE Ps Qc RATE Qc RATE Qc Pt RATE Pt RATE Pt EPR RATE EPR RATE EPR Pt Qc Pt Qc Qc Ps Ps Qc Pt Ps Ps Pt EPR Ps Ps EPR Qc Pt Pt Qc 1st Key Press 2nd Key Press Display Any key SPEED ALT CAS or TAS Any key MACH ALT CAS or TAS MACH Any key ROC ALT CAS or TAS ROC SPEED RATE ALT CAS or TAS RATE CAS An...

Page 103: ...o the option user manual 6 2 34 SETUP MORE CLOSE OUTPUT VALVES This function closes the Ps and Pt valves to enable leak checking of the internal pneumatics of the ADTS 405 with the aircraft system isolated but still connected All the normal functions of the ADTS 405 may be used in this mode Note For safety the output valves can only be closed when the ADTS 405 is at ground 6 2 35 SETUP MORE OPEN O...

Page 104: ...e level The units of entry are the current units or default aeronautical units see CONFIG UNITS AERONAUTICAL 6 2 38 SETUP SPEED AUTO ZERO This function enables or disables the auto zero function When enabled this optimizes airspeed accuracy at low airspeeds 1 When enabled the ADTS 405 performs an auto zero when the following conditions are met Ps and Pt pressures are stable If in control mode a ze...

Page 105: ... the Mach limit to be changed or disabled The initial Mach limit comes from the current aircraft limits To change the limit enter a numeric value or select as follows a Select OFF to disable the Mach limit b Select ON to enable the Mach limit c Select DEFAULT to restore the Mach limit from the aircraft limits in use rack mounted ADTS 405R ADTS panel marked reference level UUT UUT reference level r...

Page 106: ... and kts ft and mph m and km h m min m and km h m s m and km h km min 6 2 44 SETUP LEAK MEASURE CONTROL AUTO LEAK This function enables or disables the auto leak recovery facility See LEAK MEASURE CONTROL 6 2 45 SETUP LEAK MEASURE CONTROL AUTO LIMIT This function enables or disables the auto limit recovery facility See LEAK MEASURE CONTROL 6 2 46 SETUP GROUND This function enables the station airf...

Page 107: ... Press CLEAR QUIT when the nudge values of all the required parameters have been changed In aeronautical units the parameters available are In pressure units the parameters available are 5 The nudge value can be used for large increments e g 100 kts or 5000 ft to step through the cardinal points of a test CAUTION Make sure the nudge increment is set to a suitable value before using the nudge facil...

Page 108: ...en to ground or to pressures within the new 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 ALT The maximum Mach limit can be changed or turned off using SETUP MACH 6 2 56 SETUP HELP This function provides help on ...

Page 109: ...section each description of a CONFIGuration function is headed by the menu key sequence required to select it Intermediate menus are not described Many of the functions are equivalent to the set up functions refer to SETUP for the details of the function 6 2 58 CONFIG UNITS This function allows the default units to be configured 1 The default AERONAUTICAL units are used at power up for the altitud...

Page 110: ...e keys to change to the required character Press ALPHA again to enter another alphabetic character b Press BACK to delete the last character When editing text use the CLEAR QUIT key to cancel editing 6 2 59 2 MIN ALT MAX ALT MIN CAS MAX CAS These are the fundamental aeronautical unit limits 6 2 59 3 MAX MACH This limit only applies in aeronautical mode It can be used to set a maximum Mach e g Mach...

Page 111: ...airspeed and Mach limits Using the ON OFF function key select the required ARINC limits ON or OFF 3 When used in combination with another set of limits the lower more restricting limits apply 4 If ARINC limits are selected and any of the other limits are greater than the values of the ARINC limits a display message requests confirmation that the lower ARINC limit is to be used before the limit is ...

Page 112: ...EL to clear the limits followed by YES 6 2 59 12 CONFIG LIMITS LOCK AIRCRAFT This function prevents changes to the default limits If lock is ON no changes to the power up default aircraft limits can be made from set up 6 2 59 13 CONFIG LIMITS DEFAULT AIRCRAFT This function selects the set of limits used at power up Use NEXT or PREV to display the name of the required limits Select SEL 6 2 59 14 CO...

Page 113: ... functions 6 2 59 21 CONFIG SPEED AUTO ZERO CONFIG equivalent of SETUP function 6 2 59 22 CONFIG SPEED CAS TAS CONFIG equivalent of SETUP function 6 2 59 23 CONFIG SPEED Pt TEMPERATURE CONFIG equivalent of SETUP function 6 2 59 24 CONFIG RATE TIMER CONFIG equivalent of SETUP function 6 2 59 25 CONFIG RATE CONFIG equivalent of SETUP function 6 2 59 26 CONFIG LEAK MEASURE AUTO LEAK ON OFF CONFIG equ...

Page 114: ...loaded test program to operate Execute Test Program on power up See the Test Program Manager User Manual for further details 6 2 59 34 CONFIG ETP ERASE PROGRAMS Removes a down loaded test program from non volatile memory See the Test Program Manager User Manual for further details 6 2 59 35 CONFIG ETP RESULT 1 Configures the PRINT SAVE mode as in set up mode 2 Selects and deletes a result file sto...

Page 115: ... 50 60 Hz 115V 400 Hz 400VA No switching required All automatic Transient over voltages up to the levels of Overvoltage Cat egory II Operating altitude Up to 15 000ft 4 570 metres Operating temperature 20 C to 50 C 4 to 122 F Storage and shipping temperature 51 C to 70 C 60 to 158 F Ingress Protection IP23 Operating humidity 0 to 95 RH non condensing Pollution degree 3 Pressure safety Pressure Equ...

Page 116: ... of conformity for details MIL STD 461F Extended environment Electrical safety EN61010 1 Power supply Single phase AC in the range or 100 120 230V 50 60 Hz 115V 400 Hz 500VA No switching required All automatic Transient over voltages up to the levels of Overvoltage Cat egory II Operating altitude Up to 15 000ft 4 570 metres Extended operating temperature 40 C to 55 C 40 to 131 F Standard operating...

Page 117: ... automatically loads the maximum values appropriate for the full scale range Operators may also configure the display to aeronautical or pressure units but should be aware that when units of pressure are selected wider full scale pressure limits will be enabled for some parameters ADTS 405F and ADTS 405R Performance expressed in example aeronautical units Altitude Rate of Climb ROC Calibrated Airs...

Page 118: ...rential Qc 1000 knts Differential Qc 850 knts Rate Qc EPR Units mbar abs mbar min mbar abs mbar abs mbar diff mbar diff mbar min Maximum Range a a Pressures below 35 mbar absolute and the peak rates of change are available but subject to the use of a suitable vacuum pump 3 to 1355 10 000 3 to 3500 3 to 2700 1352 to 3377 1352 to 2700 10 000 0 1 to 10 Calibrated or Standard Range a 35 to 1355 200 35...

Page 119: ...ll be achieved without any overshoot independent of the system volume on either Ps or Pt channels The system response to input commands takes place within a 400 millisecond period Dynamic Testing The ADTS 405 can generate sinusoidal variations of either the Ps or Pt or both channels Frequency and amplitude of the required oscillation can be programmed external volumes limit the achievable results ...

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