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GE ADTS 403 User Manual

GE ADTS 403 User Manual

Air data test set
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©
Druck Limited 2011
This document is the property of Druck Limited and may not, either in part or whole, be copied or otherwise
reproduced, communicated in any way to third parties, nor stored in any data processing system, without the
express written authority of Druck Limited.
Page 1 of 134
Do Not Print This Page
Pressure measurement
for research & industry
Druck Limited
Fir Tree Lane
Groby
Leicester LE6 0FH
England
Tel: 0116 231 7100
ADTS 403
Air Data Test Set
User Manual
K0285
K0285 Issue No. 2

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  • Page 1 Druck Limited Fir Tree Lane Groby Leicester LE6 0FH England Tel: 0116 231 7100 ADTS 403 Air Data Test Set User Manual K0285 © Druck Limited 2011 This document is the property of Druck Limited and may not, either in part or whole, be copied or otherwise reproduced, communicated in any way to third parties, nor stored in any data processing system, without the express written authority of Druck Limited.
  • Page 2 2-1. Add section 2.3, add 24/08/11 26910 Robert Lee Robert Lee 167895 fuse detail in section 2.4 and fuse replacement in section 4.5. Reformat to GE branding requirements. Approvals Engineering P MCCARTHY Marketing Publications M SINGLETON...
  • Page 3 Print Instructions Print colour on white, double-sided as supplied on disk. Print on at least 140 gsm paper with cover, at least 210 gsm matt card and wiro-bind. Size: 180 mm wide and 230 mm high. THIS PUBLICATION IS PRINTED EXTERNALLY, THIS HARDCOPY IS NOT TO BE USED AS CAMERA COPY.
  • Page 4 Page 4 of 134 K0285 Issue No. 2 Do Not Print This Page...
  • Page 5 Measurement & Control Solutions Druck ADTS 403 Air Data Test Systems User Manual K0285 AD TS 40 3...
  • Page 6 © General Electric Company. All rights reserved.
  • Page 7 Druck ADTS 403 Air Data Test System User Manual K0285 AD TS 40 3 K0285 Issue No. 2...
  • Page 8 K0285 Issue No. 2...

  • Page 9: Preliminary

    Preliminary pages Introduction This technical manual provides operating instructions for the Air Data Test System compatible with the requirements of first line servicing. Scope This technical manual contains a brief description, operation and testing procedures for the user of this equipment. Safety The manufacturer has designed this equipment to be safe when operated using the procedures detailed in this manual.

  • Page 10: Associated Publications

    Druck ADTS 403 User Manual Associated Publications This lists the Druck manuals and publications referenced in this manual. Calibration Manual * K0199 Air Data Test System ADTS 405 IEEE 488 OPT 2 Manual * K0154 Air Data Test System ADTS 405...

  • Page 11: Table Of Contents

    Packaging for Storage and Transportation ................2-1 Installation ..............................2-4 Electrical Connection ..........................2-4 Pneumatic Pressure Connections ....................2-6 Positioning of the ADTS 403 ........................ 2-7 3 OPERATION Preparation ..............................3-1 Display Functions and Units of Measure ..................3-2 Quick Reference ............................3-3 First Time Operators ..........................
  • Page 12 Druck ADTS 403 User Manual Table of Contents (contd) Section page 3.15 Testing Aircraft Systems or UUT ....................... 3-24 Go to Ground and Shut-Down ................... 3-24 3.16 Options ................................3-25 SCPI IEEE 488 Option ....................... 3-25 Altimeter Encoder Option ..................... 3-25 3.17...
  • Page 13 Contents Table of Contents (contd) Section page ROC Ps RATE ..........................6-4 RATE TIMER ........................... 6-4 HOLD ............................... 6-5 RATE ..............................6-6 LEAK MEASURE/CONTROL ....................6-6 GROUND ............................6-7 PORT ..............................6-9 REMOTE ............................6-9 PRINT ............................... 6-9 EXECUTE TEST PROGRAM ...................... 6-10 HELP ..............................
  • Page 14 Druck ADTS ADTS 403 User Manual Table of Contents (contd) Section page MINIMUM SET-UP ............................6-26 SETUP, [UNITS], [AERO] ......................6-26 SETUP, [UNITS], [PRESS] ......................6-26 SETUP, [LIMITS] ........................... 6-26 SETUP, ALT ............................ 6-27 SETUP, [PORT] ..........................6-27 SETUP, HELP ..........................6-27 CONFIGURATION ............................
  • Page 15 CONFIG, 000 ..........................6-34 Specification ..............................6-35 Table of Illustrations Figure page ADTS 403 General View ......................... 1-2 Parts Illustration ............................2-3 Power Supply Label ..........................2-4 ADTS 403 Altitude Reference ......................2-7 ADTS 403 General View ......................... 2-8 ADTS 403 Rear Panel ..........................2-9 Front Panel ..............................

  • Page 16: Abbreviations

    Druck ADTS 403 User Manual viii Abbreviations The following abbreviations are used in this manual; the abbreviations are the same in the singular and plural. Ampere Absolute a.c. Alternating current Altitude Calibrated airspeed d.c. Direct current e.g. For example End of conversion...

  • Page 17: Glossary

    Glossary Glossary Terminology The terminology used in this manual is specific and individual interpretation must not be introduced. The terms are defined as follows: Adjust To bring to a more satisfactory state; to manipulate controls, levers, linkages, etc. to return equipment from an out-of-tolerance condition to an in-tolerance condition.
  • Page 18 Druck ADTS 403 User Manual Reconnect: To rejoin or refasten that which has been separated. Refit: Fit an item which has previously been removed. Remove: To perform operations necessary to take an equipment unit out of the next larger assembly or system. To take off or eliminate. To take or move away.

  • Page 19: Returned Goods Procedure For Europe

    Returned Goods Procedure for Europe Should the unit become unserviceable and require repair it can be returned to a GE Service Centre. Approved Service Agents For the list of service centres visit our web site: www.ge-mcs.com Please contact the GE Service Centre, either by 'phone, fax or e-mail to obtain a Returned Goods Authorization (RGA) number, providing the following information: Product (i.e.

  • Page 20: Returned Material Procedure

    Approved Service Agents For the list of service centers visit our web site: www.ge-mcs.com Please contact the GE Service Center, either by 'phone, fax or e-mail to obtain a Returned Material Authorization (RMA) number, providing the following information: Product (i.e. ADTS 403) Pressure medium (i.e.
  • Page 21 xiii Pressure units and conversion factors f b l t f / f b l n i / ) i s c / f t f / l t f / n i / Table of pressure units and conversion factors Unit Conversion To convert FROM pressure VALUE 1 in pressure UNITS 1 TO pressure VALUE 2 in pressure UNITS 2, calculate as follows:...
  • Page 22 NTENTIONALLY LEFT BLANK K0285 Issue No. 2...

  • Page 23: Description

    DESCRIPTION Introduction The Druck ADTS 403 Air Data Test System is a rack-mounted system. With external pressure and vacuum supplies connected, the ADTS 403 measures and controls pressures for leak checks, calibration accuracy checks and functional tests of air data instruments, components and systems.

  • Page 24: Adts 403 General View

    1 - 2 Druck ADTS 403 User Manual AD TS 40 3 1-1 ADTS 403 G IGURE ENERAL VIEW K0285 Issue No. 2...

  • Page 25: Operating Range And Performance

    1 - 3 Operating Range and Performance The ADTS 403 is supplied with a full-scale range of 1000 knots for measurement and control of the pitot pressure channel. Operating limits are set pre-defined tabular limits known as STANDARD, CIVIL and MAX these can be selected through the SETUP menu (see Reference section 6).
  • Page 26 1 - 4 Druck ADTS 403 User Manual NTENTIONALLY LEFT BLANK K0285 Issue No. 2...

  • Page 27: Installation

    Installation 2 - 1 INSTALLATION Packaging On receipt of the ADTS 403 check the contents of the packaging against the following lists: Packaging List - ADTS 403 ADTS 403 Air Data Test System Power supply cable iii) User Manual (this publication) Output, hose, 2.5m, red, AN6 - open...
  • Page 28 2 - 2 Druck ADTS 403 User Manual Procedure The unit should be at zero/ambient pressure. Set the power switch to off. Disconnect the hose assemblies from the front panel. Switch off and isolate the electrical power supply to the unit. Remove the unit from the equipment rack to access the rear panel.

  • Page 29: Installation

    Installation 2 - 3 2-1 P IGURE ARTS LLUSTRATION Qty per Part Num ber Description assy Kit , Fuse/o-ring comprising: AD TS401-2970-11-M 0 o-ring, AN4 o-ring, AN6 fuse, T3.15A/250V H BC AD TS405-1729-34-M 0 Plug, expansion port H ose set comprising: AD TS405-1728-49-M 0 H ose, Static (Ps), red, ST/OPN, AN 6...

  • Page 30: Electrical Connection

    2 - 4 Druck ADTS 403 User Manual Installation This rack-mounted unit fits in a standard 19 inch rack. General There must be enough space at the rear of the unit for all the cables and pipes. The length of the cables and pipes must allow for the removal and fitment of the unit in the equipment rack.
  • Page 31 HE POWER SUPPLY CABLE AND CONNECTOR MUST BE CORRECTLY RATED FOR THE POWER SUPPLY Note: The ADTS 403 is normally supplied with an approved power supply cable for use in the country of delivery. This can limit the maximum supply voltage that can be safely used.

  • Page 32: Pneumatic Pressure Connections

    2 - 6 Druck ADTS 403 User Manual Pneumatic Pressure Connections (Figures 2-4 and 2-5) Static (Ps) ............................. AN-6 37° flare Pitot (Pt) ............................. AN-4 37° flare Pressure supply ............................AN-4 37° flare Vacuum supply ............................AN-6 37° flare Connect pressure and vacuum supplies to the rear panel PRESSURE and VACUUM connectors.

  • Page 33: Positioning Of The Adts 403

    2 - 7 Positioning of the ADTS 403 It is important that the position of the ADTS 403 in relation to the components under test is known. An altitude correction must be made to allow for the difference in height between the reference level, indicated on the front panel, and the components under test.
  • Page 34 2 - 8 Druck ADTS 403 User Manual K0285 Issue No. 2...
  • Page 35 Installation 2 - 9 K0285 Issue No. 2...
  • Page 36 2 - 10 Druck ADTS 403 User Manual NTENTIONALLY LEFT BLANK K0285 Issue No. 2...

  • Page 37: Operation

    HAND TERMINAL connector on the rear panel. Note: An additional extension cable can be used with this option. Before use, the ADTS 403 should be tested, for first time users see section 3.4, for users requiring more operating detail see section 3.5.

  • Page 38: Display Functions And Units Of Measure

    3 - 2 Operation Display Functions and Units of Measure When operating in either pressure measuring or pressure controlling modes, the ADTS 403 can display the following information: Aeronautical Functions Display Abbreviation Displayed Units (if applicable) Altitude ft, m Calibrated and True Airspeed CAS, TAS kts, km/h, mph Mach...

  • Page 39: Quick Reference

    Druck ADTS 403 User Manual 3 - 3 Quick Reference The quick reference chart shows normal operation key functions. In the key/selection column the following applies: Key. [NEXT] Item in menu (soft key). (SINGLE DOUBLE) Sequence of parameters selected by NEXT key.

  • Page 40: 3.4 First Time Operators

    DK282 Iss 1.xx Display Power Up Please Wait After a short time the display shows: SYSTEM STATUS DRUCK ADTS 403 ORANGE DK 263 Ver 6.xx Note: Where x is the current issue number of the software. Last Calibration mm/dd/yy (mdy)
  • Page 41 PLEASE WAIT At switch on, check the hand-held terminal display. Note: The ADTS 403 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 Testing.
  • Page 42 3 - 6 Operation Leak Measure Mode K0285 Issue No. 2...
  • Page 43 Druck ADTS 403 User Manual 3 - 7 Control Mode K0285 Issue No. 2...
  • Page 44 3 - 8 Operation Leak Rate Timer Note: Compressing a gas generates heat. Gas heated or cooled in an enclosed volume causes a pressure change. It is important, especially for leak testing, to allow enough time for the heated gas to cool and the pressure to stabilize. When setting the rate timer consider three factors: 1 The volume of the system to be tested (large volumes take longer to stabilize).
  • Page 45 Druck ADTS 403 User Manual 3 - 9 Go to Ground K0285 Issue No. 2...

  • Page 46: 3.5 Operation And Example Procedures

    3.5.2 Operating Procedures The procedures show the steps required to make sure the ADTS 403 is serviceable and the settings required to test an aircraft system or component. For further information refer to the quick reference charts, at the end of this section, and Section 6 - Reference and Specification.

  • Page 47: Control Or Measure Parameter

    The 000 key can be used as a quick way of entering thousands. Note 2: The ADTS 403 must be in control mode to enter a new aim (current aim displayed). If the aim field shows "Leak Measure" press LEAK MEASURE/CONTROL to enter control mode.

  • Page 48: Leak Testing The Adts 403

    Operation Leak Testing the ADTS 403 It is important to check that the ADTS 403 and the connecting equipment does not leak. Before use a leak check should be carried out as follows: Connect the pitot and static hoses to front panel. Temporarily seal the free ends of the hoses.
  • Page 49 Druck ADTS 403 User Manual 3 - 13 To apply an altitude of 5000 ft at a rate of climb of 6000 ft/min and an airspeed of 300 kts at a rate of 600 kts/min press the following keys: SPEED then RATE to select rate of change of speed.

  • Page 50: Leak Measure

    Press GROUND, F1, [Go to Ground]. Wait until for the display shows Safe At Ground. After a successful leak test, the ADTS 403 is now ready to be connected to an aircraft system or unit under test. After an unsuccessful, first-time leak test, leave the system to achieve thermal stability for a further five minutes, press QUIT and repeat the leak test.

  • Page 51: Displays

    The display can be set-up to show, at the same time, one parameter (single), two parameters (dual) or three parameters (triple). The ADTS 403 automatically reverts to the pressure display if left inactive in any set-up or menu type display for a period of more than one minute.

  • Page 52: Dual Display

    3 - 16 Operation 3-5 D IGURE ISPLAY 3-6 T IGURE RIPLE ISPLAY K0285 Issue No. 2...

  • Page 53: Rate Timer Displays

    Druck ADTS 403 User Manual 3 - 17 3.10 Rate Timer Displays (Fig 3.7 and Fig 3.8) When in Leak Measure mode and, after completing a rate timing, the system generates the rate timer displays. These displays do not depend on the display mode (single, dual, triple or option).

  • Page 54: Pt Only Display

    3 - 18 Operation 3.11 Pt Only Display (Fig 3.9) The Pt only display overrides the other display modes (single, dual and triple). The measured altitude and the CAS are produced from Ps in measure mode. 3-9 P IGURE ISPLAY 3.12 Changing the Display The display can show either one, two or three parameters as follows: Note: Display cannot be changed with SETUP switched off or in minimum mode.

  • Page 55: 3.13 Changing The Units

    Using the SETUP function, previously stored sets of limits can be recalled for use. Each set of limits is stored under an aircraft name. Three pre-defined sets of limits “Standard“, “Civil“ and “Max“ limits are supplied with the ADTS 403. K0285 Issue No. 2...
  • Page 56 Auto recovery facilities The pressure controllers within the ADTS 403 have the ability to feed a leak within an aircraft system. When first testing an aircraft system, a leak test must be carried out at low altitude and airspeed.

  • Page 57: Aircraft System Protection

    Druck ADTS 403 User Manual 3 - 21 Aircraft System Protection The ADTS 403 protects the aircraft system against user error and leaks in the aircraft system. Note: The pneumatic supply pumps must be switched on. The system protection operates: Limit checking of user entered set-points.

  • Page 58: Airspeed Switch Test

    3 - 22 Operation Airspeed Switch test The following example shows how an airspeed switch can be functionally checked. Press LEAK MEASURE/CONTROL to enter control mode. Press SPEED. If necessary, press RATE and enter a change of airspeed low enough to observe switch operation.

  • Page 59: Engine Pressure Ratio (Epr)

    3 - 23 Engine Pressure Ratio The ADTS 403 may be used to check EPR sensors and indicators. Use Ps for INLET pressure and Pt for OUTLET pressure. To carry out an EPR check, the display must be showing pressure units e.g., mbar or inHg.

  • Page 60: 3.15 Testing Aircraft Systems Or Uut

    (QFE). During this period, the display shows the message "Checking Ground". The ADTS 403 then reconnects to the aircraft system and equalises the system pressures. Commands cannot be entered when these two messages are displayed.

  • Page 61: 3.16 Options

    OBSERVE ALL SAFETY PROCEDURES IN THE AIRCRAFT MAINTENANCE MANUALS. SCPI IEEE 488 Option The SCPI IEEE 488 interface provides remote control of the ADTS 403 from a suitable PC, using standardised commands. The ADTS 403 implements the full SCPI command set with the exception of expressions and units suffixes.

  • Page 62: 3.17 Setup And Configuration

    The SETUP key provides access to secondary functions using a menu system, extends the keyboard and allows many of the ADTS 403 functions to be customised. All changes made under SETUP are temporary and will be lost when the system is switched off.
  • Page 63 Druck ADTS 403 User Manual 3 - 27 FULL SET-UP Key/selection Function and comments SETUP Full or minimum set-up selected in configuration. [UNITS] Select units [NEXT] Step through available units [PREV] Step back through available units [SAVE] Select displayed units...
  • Page 64 3 - 28 Operation FULL SET-UP (contd.) Key/selection Function and comments SETUP contd... RATE TIME Set-up WAIT and TIME time periods [WAIT/TIME ON F1] For F1 [TIME] Change to TIME [WAIT] Change to WAIT data entry of TIME time data entry of WAIT time See [Wait/Time on F1] [WAIT TIME F2]...
  • Page 65 Druck ADTS 403 User Manual 3 - 29 MINIMUM SET-UP Key/selection Function and comments SETUP Full or minimum set-up selected in configuration. [UNITS TYPE] Set units type [AERO] Set units to default aero units [PRESS] Set units to default pressure units...
  • Page 66 3 - 30 Operation CONFIGURATION Key/selection Function and comments SETUP + F1 Hold F1 and press SETUP to enter CONFIG [UNITS] Default units [AERONAUTICAL] Select default aeronautical units [NEXT] Step through available units [PREV] Step back through available units [SAVE] Save selected units [PRESSURE] Select default pressure units...
  • Page 67 Druck ADTS 403 User Manual 3 - 31 Key/selection Function and comments CONFIG (SETUP + F1) contd... [MORE] [CONTROL] Ps Pt DUAL control [Ps Pt DUAL] Ps single pipe testing of altimeters. Pt single pipe testing of airspeed and Mach indicators.
  • Page 68 3 - 32 Operation Key/selection Function and comments contd... CONFIG (SETUP + F1) + KEY PRESS Airfield altitude for QNH display GROUND data entry PORT Refer to option user manual REMOTE Remote mode lock [ON] [OFF] Run test program on power up AUTO RUN [NEXT] [PREV]...

  • Page 69: Maintenance

    Druck ADTS 403 User Manual 4 - 1 Maintenance Introduction This section details the maintenance tasks to be carried out by the operator. The maintenance chart shows the maintenance tasks, the periodicity of each task and a code referenced to the task detailed in 4.3.

  • Page 70: Materials

    Maintenance Materials This lists materials required for the user to maintain the ADTS 403. The item number and name in the table identifies the item in the maintenance tasks (for example, "Use a soft bristle brush, item 4, Table 4-2").

  • Page 71: Maintenance Tasks

    Druck ADTS 403 User Manual 4 - 3 Maintenance Tasks Visually inspect the unit for obvious signs of damage and check that all the equipment is present; record any deficiencies. Visually inspect the pneumatic output connectors for damage. Inspect the small o- ring on each pneumatic output connector for cuts and any signs of wear;...

  • Page 72: Routine Maintenance

    4 - 4 Maintenance Routine Maintenance WARNING: S WITCH OFF AND DISCONNECT THE POWER SUPPLY BEFORE STARTING ANY MAINTENANCE TASK Carrying out the maintenance tasks detailed 4.3. Servicing Procedures The following procedures provide instructions to test and replace items for the operator.

  • Page 73: Fuse Replacement

    Druck ADTS 403 User Manual 4 - 5 Fuse Replacement (Fig 4-1) Replace the fuse when detailed in Section 5, Testing and Fault Finding: • Set the power switch to OFF. • Isolate the power supply to the instrument and disconnect the IEC power supply connector (1).
  • Page 74 4 - 6 Maintenance NTENTIONALLY LEFT BLANK K0285 Issue No. 2...

  • Page 75: Warning Messages

    TESTING AND FAULT FINDING Introduction The ADTS 403 contains a built-in, self-test and diagnostic system. The system continuously monitors the performance of the unit and at power-up carries out a self- test. Warning and error messages are displayed during normal operation if out of range values are entered or if faults occur.

  • Page 76: Testing And Fault Finding

    DRUCK ADTS 403 DK 263 Ver 6.xx Note: "ADTS 403" may be replaced by an alternative identity string. The software version may also be supplemented by extra alpha characters. K0285 Issue No. 2...
  • Page 77 Druck ADTS 403 User Manual 5 - 3 The ADTS 403 displays any detected errors. Check that the power-up sequence continues through the following stages without error: Calibration date. Self-test. Measuring ground pressures. Equalizing system pressures. Check that the display then changes to show measured altitude and airspeed (CAS or TAS) values.

  • Page 78: Self-Test Errors

    5 - 4 Testing and Fault Finding Self-Test Errors At power-up, the ADTS 403 indicates if there is a fault by displaying an error code for example: 701:HHHH PS SELF-TEST ERROR The HHHH is a hexadecimal code containing additional information record the whole error code.
  • Page 79 Druck ADTS 403 User Manual 5 - 5 SWITCH POWER ON POWER INDICATOR Power-up sequence DISPLAY SYSTEM STATUS DK126 Iss 1.xx POWER-UP STATUS LIGHT Display Power Up MESSAGE Please Wait GREEN FLASHING RED/ ORANGE HAND-TERMINAL FITTED? HAND-TERMINAL STATUS LIGHT DISPLAY POWER-UP...
  • Page 80 Use an available hand-terminal. No display power-up Display fault. Record fault and return ADTS 403 to message, status light green. depot for repair. No hand-terminal display, Replace hand-terminal. Hand-terminal fault (cable OK).

  • Page 81: Further Testing

    Druck ADTS 403 User Manual 5 - 7 Further Testing The following tests should only be carried out if a pneumatic leak or a controller instability is suspected. Test Environment and Preliminary Operations These tests should be carried out in a room with a stable temperature environment within the operating temperature range.

  • Page 82: Vacuum Leak Check

    5 - 8 Testing and Fault Finding 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 pressing RATE TIMER and selecting WAIT 05:00, TIME 01:00. Press CLEAR/QUIT to exit rate display.

  • Page 83: Controller Stability

    Druck ADTS 403 User Manual 5 - 9 Controller Stability This section verifies the control stability. Press LEAK MEASURE/CONTROL to turn the pressure controllers on. “Aim” replaces “Leak Measure” on the display. Enter a Ps aim of 510 mbar with a rate of change of 204 mbar/min.

  • Page 84: Testing An Option Facility

    Configuring and Enabling the IEEE 488 Facility To enable the IEEE 488, set the ADTS 403 to the SCPI IEEE option and set to Address 1 as follows: Press and hold down F1 then press SETUP to enter the configuration menu.

  • Page 85: Programming A Test Of The Ieee 488 Facility

    The response string should be "OFF". If the above procedure is unsuccessful, check the continuity of the IEEE 488 cable. If faulty, replace the cable. If the continuity of the cable is correct, return the ADTS 403 to the repair depot. K0285 Issue No. 2...
  • Page 86 5 - 12 Testing and Fault Finding The rear panel connector details are as follows. Chassis connection 0V return for signals (not chassis) K0285 Issue No. 2...

  • Page 87: Testing The Altimeter Encoder Option

    ERROR" in the place of the decoded value. If the above procedure is unsuccessful, check the continuity of the Altimeter Encoder cable. If faulty, replace the cable. If the continuity of the cable is correct, return the ADTS 403 to the repair depot. K0285 Issue No. 2...

  • Page 88: Optional Cable

    5 - 14 Testing and Fault Finding Optional cable (AAU-32 units) The 15-core cable is supplied for the AAU-32 encoder unit: Note: The D2 data line (turquoise cable) is not defined for the AAU-32, it is for above 62,000 ft and not connected.

  • Page 89: Fault Finding

    Druck ADTS 403 User Manual 5 - 15 Fault Finding 5.8.1 Error Messages In the event of a malfunction, the built-in, self-test and diagnostic system displays an error message and error code. A unit displaying this type of error should be returned...

  • Page 90: 5.8.2 Warning Messages

    5 - 16 Testing and Fault Finding 5.8.2 Warning Messages The following table lists the warning messages with the probable cause and action to be taken. 5-3 W ABLE ARNING ESSAGES (continued) K0285 Issue No. 2...
  • Page 91 Druck ADTS 403 User Manual 5 - 17 5-3 W ABLE ARNING ESSAGES CONTINUED K0285 Issue No. 2...
  • Page 92 5 - 18 Testing and Fault Finding NTENTIONALLY LEFT BLANK K0285 Issue No. 2...

  • Page 93: Reference And Specification

    6 - 1 Druck ADTS 403 User Manual REFERENCE AND SPECIFICATION Introduction This section includes a full description of each key function including references to associated functions. The available keys are: F1 - F4 ALT Ps SPEED Qc MACH Pt...

  • Page 94: Alt Ps

    Reference and Specification 6 - 2 ALT Ps In aeronautical units (ft or m), this key selects an altitude display. In pressure units (mbar, inHg etc.), this key selects a static pressure (Ps) display. SETUP, [UNITS] can be used to change the units of display, if set-up mode is not switched off.

  • Page 95: Mach Pt

    6 - 3 Druck ADTS 403 User Manual If the Ps aim is changed, after the entry of Pt, then the Qc aim value changes while the Pt remains unchanged*. The display shows symbol next to the parameter that remains unchanged.

  • Page 96: Epr

    Engine Pressure Ratio (EPR) is only available in pressure units (mbar, inHg etc.). The ADTS 403 can be used to check EPR sensors and indicators. For EPR testing, use Ps as INLET pressure and EPR to set the ratio of OUTLET pressure (Pt) to INLET pressure.

  • Page 97: Hold

    6 - 5 Druck ADTS 403 User Manual Press F1, F2 or F3 to select the required WAIT and TIME periods. The main pressure displays shows the WAIT or TIME period counting down. After timing, the timed average value, identified by a T directly to the right of the value, replaces the instantaneous rate value.

  • Page 98: Rate

    Reference and Specification 6 - 6 RATE In aeronautical units (kts, km/h), this key selects a rate of change of airspeed (Rate CAS) display. In pressure units (mbar, inHg etc.), this key selects a rate of change of pressure (Rate Qc, Rate Pt or Rate EPR) display.

  • Page 99: Ground

    This key enables a display of ground pressure or automatically controls the pressures in the aircraft system to local atmospheric pressure. The local atmospheric pressure is recorded by the ADTS 403 during the power-up sequence. When GROUND is pressed, a menu gives a choice of three ground functions:...
  • Page 100 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 403 continues going-to- ground.

  • Page 101: Port

    Druck ADTS 403 User Manual 6 - 9 PORT This function sets the port option, this changes the ADTS 403 from a single pitot-static output system to a multi-port system by using a Druck Line Switching Unit (LSU Series). Refer to the option manual.

  • Page 102: Execute Test Program

    ADTS 403. Once down-loaded, the ADTS 403 stores the program for future use. A test program can contain operator prompts to enter numeric values from instruments; test results can be stored in the ADTS 403 and later printed, by a suitable printer.
  • Page 103 Auto Running a Program To run a program each time the ADTS 403 is switched on, the “Auto run” feature should be enabled. The enabled program starts, from the first line, after successful completion of the ADTS power-up sequence.

  • Page 104: Help

    6 - 12 Reference and Specification HELP The HELP key provides help on each key. The help message generally gives associated functions and ways of changing the use of each key. To get help on any of the keys on the key-pad: Press HELP, then press the required key for information.

  • Page 105: Clear/Quit

    Druck ADTS 403 User Manual 6 - 13 -000 This key performs two functions during numeric entry. If it is the first numeric key pressed, it produces a minus sign for the entry of negative numbers. If it is not the first key pressed during numeric entry, it produces three zeros for fast entry of thousands e.g.

  • Page 106: Clear + Enter (Abort)

    Reference and Specification ENTER The ENTER key completes numeric entry. CLEAR + ENTER (ABORT) Pressing CLEAR/QUIT and ENTER together, restarts the ADTS 403 from the power-up sequence. Output valves close immediately and open during the restart sequence. Note: The restart sequence starts with the display showing:...

  • Page 107: Setup

    Any parameter changed under set-up returns to the default settings on power-down. The CONFIGuration mode may be used to change the default settings so that the ADTS 403 powers up in the required state. Most set-up parameters are also available under CONFIG.

  • Page 108: Setup, [Units]

    % full-scale SETUP, [LIMITS] The ADTS 403 is preprogrammed with the manufacturer's STANDARD, CIVIL and MAX limit sets. Different sets of additional aircraft limits can be programmed using the CONFIG mode. SETUP, [LIMITS] allows the selection of the set of limits to be used, each set of limits is identified by its aircraft name.

  • Page 109: Setup, [Osc]

    SETUP, ALT. The maximum Mach limit can be changed or switched off using SETUP, MACH. SETUP, [OSC] The ADTS 403 has an oscillation facility that causes the pressure to oscillate about the aim value at a user defined frequency and amplitude. Select oscillation channel Ps or Pt.

  • Page 110: Setup, [More], [Displays/Options],[Display Type]

    6 - 18 Reference and Specification SETUP, [MORE], [DISPLAYS/OPTIONS], [DISPLAY TYPE] The display can be configured for SINGLE, DUAL or TRIPLE displays. The key press sequence changes the display parameters, the 2nd key press column shows the parameter that changes on entry of a numeric value. The tables show all available parameter combinations with an associated key press sequence.
  • Page 111 Druck ADTS 403 User Manual 6 - 19 1st Key 2nd Key Display Press Press Any key SPEED ALT, CAS or TAS Any key MACH ALT, CAS or TAS, MACH Any key ALT, CAS or TAS, ROC SPEED RATE ALT, CAS or TAS, RATE CAS...

  • Page 112: Set-Up, [More], [Displays/Options],[Options]

    ADTS 403 , with the aircraft system isolated, but still connected. All the normal functions of the ADTS 403 may be used in this mode. Note: For safety, the output valves can only be closed when the ADTS 403 is at ground.

  • Page 113: Set-Up, Speed [Auto Zero]

    The altitude correction facility corrects for the pressure difference when the ADTS 403 and the aircraft system are at different heights. The ADTS 403 altitude reference is on the front panel. If the ADTS 403 is below the aircraft system, enter the value as a negative number.

  • Page 114: Altitude Correction Rack Mounting

    6 - 22 Reference and Specification 6-1 A IGURE LTITUDE CORRECTION RACK MOUNTING 6-2 A IGURE LTITUDE CORRECTION ON AIRCRAFT K0285 Issue No. 2...

  • Page 115: Set-Up, Speed [Pt Temperature]

    Druck ADTS 403 User Manual 6 - 23 SET-UP, SPEED, [Pt TEMPERATURE] The function allows the value of Pt temperature to be entered, this is used in the calculation of TAS. Enter the Pitot temperature measured by the aircraft's Pitot temperature sensor in the units shown on the display.

  • Page 116: Setup, Leak Measure Control, [Auto Leak]

    ADTS 403. Pressing F1, the [PRINT/SAVE] key, sets the option. Any of the results files, stored in the ADTS 403, can be sent to the printer port. Press F2, the [PRINT FILE] key, to select the required file.

  • Page 117: Setup, Help

    Druck ADTS 403 User Manual 6 - 25 SETUP, HELP This function provides help on the set-up key. SETUP, (nudge keys) This function allows the increment value of the nudge key to be adjusted for every parameter. When SETUP, are pressed, the display shows the value of nudge for the parameter last displayed.

  • Page 118: Minimum Setup

    CONFIG, [UNITS], [PRESS]. SETUP, [LIMITS] The ADTS 403 is preprogrammed with the manufacturer's STANDARD, CIVIL and MAX limit sets. Different sets of additional limits can be programmed using the CONFIG mode. SETUP, [LIMITS] allows the selection of the set of limits to be used, each set of limits is identified by an aircraft name or component/system number.

  • Page 119: Setup, Alt

    The altitude correction facility corrects for the pressure difference when the ADTS 403 and the aircraft system are at different heights. The ADTS 403 altitude reference is on the front panel. If the ADTS 403 is below the aircraft system, enter the value as a negative number.

  • Page 120: Configuration

    The CONFIGuration mode may be used to change the default settings so that the ADTS 403 powers-up in a specified state. Most SETUP parameters are also available in CONFIG; other parameters are only available in CONFIGuration.

  • Page 121: Config,[Units]

    Druck ADTS 403 User Manual 6 - 29 CONFIG, [UNITS] This function allows the default units to be configured. The default [AERONAUTICAL] units are used at power-up for the altitude (and airspeed) display. The default units are also used for the limits entry in CONFIG and entry of any altitude or airspeed related functions in SETUP or CONFIG e.g., airfield...

  • Page 122: Name

    6 - 30 Reference and Specification NAME The aircraft name or component/system name/number is used for selecting the set of limits in SETUP or CONFIG. Enter up to 8 characters using 0 to 9, - (minus), . (decimal point) and any alphabetic characters in any order or combination. To enter a alphabetic character (A to Z), press [ALPHA] and use the nudge keys to change to the required character.

  • Page 123: Altitude Correction

    Druck ADTS 403 User Manual 6 - 31 6-3 ARINC 565 O PERATING IMITS ALTITUDE CORRECTION The altitude correction value for a specific aircraft may be entered as well as its limits. The altitude correction value can be changed during operation in full and minimum set-up modes using SETUP, [ALT].

  • Page 124: Config, [Limits], [Edit Limits], [Max Limits]

    6 - 32 Reference and Specification CONFIG, [LIMITS], [EDIT LIMITS], [MAX LIMITS] This function makes a set of maximum limits; a set of MAX limits can be edited using CONFIG, [LIMITS], [EDIT LIMITS], [EDIT EXISTING] and saved with a new name. This is a quick method for setting-up a set of limits similar to the maximum system limits.

  • Page 125: Config, [More], [Setup Mode]

    Druck ADTS 403 User Manual 6 - 33 CONFIG, [MORE], [SETUP MODE] This function enables, disables or limits access to the secondary functions. There are three set-up modes: FULL This mode provides complete access to all secondary functions when the SETUP key is pressed.

  • Page 126: Config, Port

    "REMOTE" message. To return to "local" control (key-pad) press LOCAL/REMOTE key, the remote device can disable this key. Note: Some ATE systems may require the ADTS 403 set in the remote mode before the remote device starts communicating. If remote lock is disabled, set the ADTS 403 while in local control, by pressing the REMOTE/LOCAL key.

  • Page 127: Specification

    ........................0 to 90% non condensing Warm-up If the ADTS 403 temperature has stabilized within the operating temperature range before switching on, the ADTS 403 requires a warm-up period of 15 minutes to achieve the stated accuracy. K0285 Issue No. 2...

  • Page 128: Pneumatic Requirements

    15 microns and a flow rate equivalent to 2.8 litres/min (0.1 cubic ft/min) at the above pressure. Note: The Druck PV 103 is a 19" rack unit that meets the requirements of the ADTS 403. Front panel pneumatic fittings Static (Ps) ............................
  • Page 129 Druck ADTS 403 User Manual 6 - 37 Performance expressed in example aeronautical units / t f ± ± ± ± ± ± ± ± ± ± ± ± ± ± ± OTES Altitudes above 80,000 ft and the peak rates of climb are available but subject to the use of a suitable vacuum pump.
  • Page 130 6 - 38 Reference and Specification Performance expressed in example pressure units f f i ± ± ± ± ± ± i l i OTES Pressures below 35 mbar absolute and the peak rates of change are available but subject to the use of a suitable vacuum pump. The accuracy figures stated relate to operation over the temperature range 5°...
  • Page 131 The repeatability does not include curve fit errors. Accuracy Accuracy figures stated include curve fit errors, repeatability and temperature effects over the range 5°C to 35°C. The ADTS 403 can achieve the stated accuracy after a 15 minute warm-up period K0285 Issue No. 2...

  • Page 132: Control Performance

    Control Performance Stability The ADTS 403 provides stable pressure values at the outlet ports and continues to control smoothly without oscillation into volumes of up to 17 litres (1,000 cubic inches) on Ps and a volume of up to 10 litres (600 cubic inches) on Pt at rates up to 6000 ft/min.
  • Page 133 6 - 41 Dynamic Testing The ADTS 403 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. Maximum drift from the mean value during dynamic testing should be no more than twice that specified for steady state testing.
  • Page 134 6 - 42 Reference and Specification NTENTIONALLY LEFT BLANK K0285 Issue No. 2...