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GE Druck ADTS 405 R Mk2 Instruction Manual

Air data test set
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ADTS 405 R/F Mk2
Air Data Test Set
Instruction Manual
www.gemeasurement.com
GE Data Classification: Public

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Summary of Contents for GE Druck ADTS 405 R Mk2

  • Page 1 Druck ADTS 405 R/F Mk2 Air Data Test Set Instruction Manual www.gemeasurement.com GE Data Classification: Public...
  • Page 3 The equipment must be maintained using the manufacturer’s procedures and should be carried out by authorized service agents or the manufacturer’s service departments. For technical advice contact GE or subsidiary manufacturer of this product. A qualified technician must have the necessary technical knowledge, documentation, special test equipment and tools to carry out the required work on this equipment.
  • Page 4 Marks and Symbols on the Equipment Symbol Description This equipment meets the requirements of all relevant European safety directives. The equipment carries the CE mark. This symbol, on the equipment, indicates that the user should read the user manual. This symbol, on the equipment, indicates a warning and that the user should refer to the user manual.
  • Page 5 Abbreviations The following abbreviations are used in this manual; the abbreviations are the same in the singular and plural. Abbreviation Description Ampere Absolute Alternating current Altitude Calibrated airspeed Direct current e.g. For example End of conversion Engine pressure ratio EPROM Electrically programmable read only memory etc.
  • Page 6 Abbreviation Description Total pressure (pitot) Differential pressure Pt-Ps Local atmospheric pressure Barometric pressure at sea level Rate of climb Calibrated velocity True velocity Positive Negative °C Degrees Celsius °F Degrees Fahrenheit Glossary The terminology used in this manual is specific and individual interpretation must not be introduced.
  • Page 7 Ascertain by using the appropriate test equipment that a component or system functions correctly. Returned Goods Procedure If the unit requires calibration or is unserviceable, return it to the nearest GE Service Centre listed at: www.gemeasurement.com Contact the Service Department to obtain a Return Authorization (Worldwide excluding USA).
  • Page 8 Service by unauthorized sources will affect the warranty and may not guarantee further performance. You must inform GE if the product has been in contact with any hazardous or toxic substance. The relevant COSHH or in the USA, MSDS, references and precautions to be taken when handling.

  • Page 9: Table Of Contents

    Contents Description Introduction Operating Range and Performance Operating Limits Installation List of Parts 2.1.1 ADTS 405F Mk2 Standard Packaging List 2.1.2 ADTS 405R Mk2 Standard Packaging List Packaging for Storage or Transportation 2.2.1 Environment 2.2.2 Procedure Power Supply 2.3.1 AC Input 2.3.2 DC Input (Option ADTS 405F Mk2 Only) 2.3.3...
  • Page 10 4.1.3 Pt Only Display Changing the Display 4.2.1 Change to Single, Dual or Triple Display 4.2.2 Changing the Display for Pt Only Changing the Units 4.3.1 Changing the Measurement Units 4.3.2 Changing the Unit Type Leak Measure 4.5.1 UUT Leak Test 4.5.2 ADTS 405 Mk2 Leak Test Aircraft System Protection...
  • Page 11 Cable Tests 5.5.1 Hand Terminal Cables 5.5.2 AC Power Regional Line Plug Cables 5.5.3 DC Power Cable Testing and Fault Finding Introduction Error Messages Warning Messages Standard Serviceability Test 6.4.1 Connection and Power-on Checks 6.4.2 Pump Unit (ADTS 405F Mk2) 6.4.3 Completion Fault Finding...
  • Page 12 7.2.17 PRINT 7.2.18 EXECUTE TEST PROGRAM 7.2.19 HELP 7.2.20  or  (Nudge Keys) 7.2.21 Number 0 to 9 7.2.22 -000 7.2.23 CLEAR/QUIT 7.2.24 ENTER 7.2.25 CLEAR + ENTER (ABORT) SETUP 7.3.1 FULL SETUP 7.3.2 SETUP, [UNITS] 7.3.3 SETUP, [LIMITS] 7.3.4 SETUP, [OSC] 7.3.5...
  • Page 13 7.4.6 MIN ALT, MAX ALT, MIN CAS, MAX CAS 7.4.7 MAX MACH 7.4.8 MAX ROC, MAX RATE CAS 7.4.9 MIN Ps, MAX Ps, MIN Qc, MAX Qc 7.4.10 MAX RATE Ps, MAX RATE Qc 7.4.11 ALTITUDE CORRECTION 7.4.12 ARINC LIMITS 7.4.13 SAVING LIMITS 7.4.14...
  • Page 14 8.4.2 Rate Control 8.4.3 Control Response 8.4.4 Dynamic Testing 8.4.5 Control Offset Appendix A. Menus Full Setup Menu Minimum Setup Menu Configuration Menu Appendix B. Errors and Warnings Error Messages Warning Messages xii | ADTS 405 R/F Mk2 Instruction Manual-English ©...
  • Page 15 Figures Figure Page Equipment and Parts ADTS 405R Mk2 Altitude Reference ADTS 405F Mk2 Altitude Reference ADTS 405F Mk2 General View ADTS 405R Mk2 Front Panel View ADTS 405R Mk2 Rear Panel View ADTS 405 Mk2 Keypad Display Single Display Dual Display Triple Display Rate Timer Display - Aeronautical Units...
  • Page 16 xiv | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.
  • Page 17 Tables Table Page Operating Limits - 850 kts Range Operating Limits - 1,000 kts Range Storage Conditions Spares and Accessories List AC Power Supply Requirements DC Power Supply Requirements Aeronautical Units of Measure Pressure Units of Measure Keypad Key Functions Default IP Address Configuration Default User Name and Password Win SCP Client Credentials...
  • Page 18 xvi | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.

  • Page 19: Description

    Introduction 1. Description 1.1 Introduction There are two versions of this Air Data Test System (ADTS), a 19”, 6U high (10½”) rack- mounted unit (ADTS 405R Mk2) and a flight-line unit (ADTS 405F Mk2). The ADTS 405R Mk2 is a rack-mounted system and, with external pressure and vacuum supplies connected, provides measurement and control of pitot and static systems and components.

  • Page 20: Operating Limits

    Chapter 1. Description Operating limits are set, predefined tabular limits known as STANDARD, CIVIL and MAX these can be selected through the SETUP menu (see Section 7.3.3, “SETUP, [LIMITS],” on page 83). 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.
  • Page 21 Operating Limits Table 1-2: Operating Limits - 1,000 kts Range Parameter Max Limits Standard Limits Civil Limits Min Alt -3,000 ft -3,000 ft -1,000 ft Max Alt 105,000 ft 80,000 ft 50,000 ft Min CAS -100 kts 0.0 kts 0 kts Max CAS 1,000 kts 1,000 kts...
  • Page 22 Chapter 1. Description 4 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.

  • Page 23: Installation

    List of Parts 2. Installation CAUTION Do not use any equipment that is known to be or suspected to be damaged or faulty. Note: Please keep the special packing boxes so that the ADTS can be safely shipped for calibration, repair or storage. 2.1 List of Parts On receipt of the ADTS 405 Mk2 check the contents of the packaging against the following lists.

  • Page 24: Packaging For Storage Or Transportation

    Chapter 2. Installation 2.2 Packaging for Storage or Transportation WARNING The flight-line unit can be moved by use of the handle and wheels, but if it is to be lifted, it is a two-person lift. 2.2.1 Environment The optimum conditions for ADTS 405 Mk2 equipment during transit, preparation for calibration and repair and when being storage are detailed as below.
  • Page 25 Packaging for Storage or Transportation 5a-h 6a-p 10a-b 13a-b 7a-b 8a-b Figure 2-1: Equipment and Parts © 2017 General Electric Company – All Rights Reserved. ADTS 405 R/F Mk2 Instruction Manual-English | 7...
  • Page 26 Chapter 2. Installation Table 2-2: Spares and Accessories List Item Part Number Description Used On ADTS 405F Mk2 Flight-line Air Data Test Set ADTS 405R Mk2 Rack-mount Air Data Test Set AS405-111-1728M0 ADTS Hand Terminal ADTS 405F/R AS505-57-3124M0 Accessory Bag ADTS 405F AA405F-30 AC Power Lead, UK, 2.5 m...

  • Page 27: Power Supply

    Power Supply Table 2-2: Spares and Accessories List Item Part Number Description Used On AA500F-19 Red Hose (State Length in Metres) ADTS 405F/R AA500F-20 Blue Hose (State Length in Metres) AS405-53-1729M0 Yellow Hose, 15 m ADTS 405R AS405-54-1729M0 Green Hose, 15 m AS405-60-1891M0 Altimeter Encoder Cable ADTS 405F/R...

  • Page 28: Positioning Of The Adts

    Chapter 2. Installation The power supply connector on the rear panel of the unit will not be accessible when fitted in the equipment rack. 2.4 Positioning of the ADTS 2.4.1 ADTS 405R Mk2 Rack-mounted Version WARNING Observe the appropriate safety instructions and procedures detailed in the aircraft maintenance manual and component maintenance manuals.

  • Page 29: Adts 405F Mk2 Flight-Line Version

    Positioning of the ADTS 2.4.2 ADTS 405F Mk2 Flight-line Version WARNING The ADTS should not be placed in contact with hazardous fuel vapor concentrations. It is important that the position of the ADTS 405F Mk2 in relation to the aircraft altitude sensors is known.

  • Page 30: Product Views

    Chapter 2. Installation 2.5 Product Views Cover plate for communications Keypad and display option Solenoid valve status indicator System status indicator Elapsed time indicator Fan outlet cover DC power supply fuses (optional) AC power supply fuses DC power supply connector (optional) 10 Cross bonding connector 11 AC power supply connector 12 Vacuum input connector 13 Auxiliary vacuum output connector...
  • Page 31 Product Views Cover plate for communications Altitude sensor datum height (altitude connectors reference level) Solenoid valve status indicator System status indicator Hand terminal connector Altitude encoder connector (optional) Static output connector Keypad and display Pitot output connector 10 Power connection indicators 11 Power supply switch 12 Calibration enable switch Figure 2-5: ADTS 405R Mk2 Front Panel View...
  • Page 32 AC fuses holder Pressure regulator Source vacuum input connector Source pressure input connector Cooling fan air intake Expansion port (used with GE PV103R pump unit) Pitot output connector (optional) 10 Static output connector (optional) 11 Communications connectors 12 Expansion port dongle.

  • Page 33: Getting Started

    Preparation 3. Getting Started WARNING Observe safety precautions stated in local orders and the aircraft or equipment servicing procedures. Make sure the electrical and pneumatic connectors, electrical cables, pipes and positioning of the ADTS 405 Mk2 comply with the instructions in this manual and local regulatory requirements.

  • Page 34: Power-Up

    Chapter 3. Getting Started 3.2.2 Power-up Check the power indicator is illuminated and set the front panel power switch to OPERATE. The display will show the following sequence: Display power-up screen. The display, on the front panel or hand-terminal, shows the following. The system status indicator LED is initially colored red, this is normal.
  • Page 35 Start-up Measuring ground pressure message. The system opens the zero valves and after approximately 7 seconds the valves close and the routine continues. The display shows: Measuring Ground Pressures PLEASE WAIT Equalizing system pressures message. The system opens the output valves, Ps and Pt port pressures will safely remain at the original measured values: Equalising System Pressures...

  • Page 36: Units Of Measure

    Chapter 3. Getting Started 3.2.3 Units of Measure When operating, in either pressure measure or pressure control modes, the ADTS 405 Mk2 can display the following unit information: Table 3-1: Aeronautical Units of Measure Aeronautical Function Display Abbreviation Displayed Units Altitude ft, m Calibrated and True Airspeed...

  • Page 37: Keypad Display

    Keypad Display 3.3 Keypad Display Leak Measure Leak Measure STATIC PITOT SPEED MACH RATE HOLD RATE TIMER Ps RATE LEAK LOCAL MEASURE PORT GROUND REMOTE CONTROL CLEAR EXECUTE PRINT HELP SETUP ENTER TEST QUIT PROGRAM ABORT Figure 3-1: ADTS 405 Mk2 Keypad Display 3.4 Operation Quick Reference The operation quick reference guide shows the key functions.
  • Page 38 Chapter 3. Getting Started Table 3-3: Keypad Key Functions Function Airspeed (Aeronautical units) or Qc (Pressure units). SPEED Mach (Aeronautical units) or Pt (Pressure units). MACH Engine pressure ratio (Pressure units only). Rate of climb (Aeronautical units) or Rate of Ps (Pressure units). Ps RATE Start timing rate of change.
  • Page 39 Operation Quick Reference Table 3-3: Keypad Key Functions Function Press HELP then other key for further information. HELP The settings in the setup menu are only temporary and are lost at power- down. For more details see Appendix A.1, “Full Setup Menu,” on page 108 and SETUP Appendix A.2, “Minimum Setup Menu,”...

  • Page 40: Operating Mode Overview

    Chapter 3. Getting Started 3.5 Operating Mode Overview INFORMATION Once initialized, wait 15 minutes to allow the pressure measurement system to reach a stable operating temperature. The warm- up period can be reduced to 5 minutes if the system has been powered following a short period of inactivity.

  • Page 41: Measure Mode (Pressure Measurement Mode)

    Operating Mode Overview 3.5.1 Measure Mode (Pressure Measurement Mode) To select the measured parameter press: Measured value Measured parameter “Leak Measure” when Units of measurement measure mode selected Change display Change units from single, dual or triple aeronautical to press: pressure: ©...

  • Page 42: Control Mode (Pressure Control Mode)

    Chapter 3. Getting Started 3.5.2 Control Mode (Pressure Control Mode) For ADTS 405F Mk2 set the pump switch to “PUMP ON” From leak measure press: Aim of 5,000 ft press: Return to leak measure at new altitude 24 | ADTS 405 R/F Mk2 Instruction Manual-English ©...

  • Page 43: Leak Measure Mode (Timed Average Leak Rate Measurement)

    Operating Mode Overview 3.5.3 Leak Measure Mode (Timed Average Leak Rate Measurement) Static channel altitude 5,000 ft, measure leak: Rate timer setup: 1. Wait = 05.00 minutes 2. Test = 01.00 minutes Display shows alternating Display shows alternating wait time countdown and time countdown and TIMING WAITING message.

  • Page 44: Go To Ground (Control To Local Ground Pressure)

    Chapter 3. Getting Started 3.5.4 Go to Ground (Control to Local Ground Pressure) Dual parameter display Single parameter display Note: In Leak Measure, use F2 and F3 for QFE and QNH information. F1 is only valid in Control mode. Note: This ground value will not be zero and depends on local atmospheric pressures Note: Safe to disconnect...

  • Page 45: Operation

    Control or Measure Parameter 4. Operation WARNING See Safety and Installation Guide 124M8686 for guidance on safety and standard operating conditions. The procedures show the steps required to make sure the ADTS 405 Mk2 is serviceable and of the settings required to test an aircraft system or component in the following notation: All key presses are highlighted in bold and shown as identified on the keypad.
  • Page 46 Chapter 4. Operation shows the aim and measured values of ALT and CAS as a dual display. With any other selected parameter the display shows the measured values of altitude and airspeed and, the aim and measured value of the other selected parameter. Additional display modes are available for certain options.

  • Page 47: Rate Timer Displays

    Control or Measure Parameter 1228 CAS = 300.0 2995 ft/m 3000< WARMUP Constant indication of values. Measured value. “T” for timed rate of change. Units of measurement. Special messages, e.g. warm-up “<” Pointer for parameter, i.e. aim that period. changes on data entry. Aim (set-point or target) in control Current changing parameter.

  • Page 48: Pt Only Display

    Chapter 4. Operation RtPs -0.500T mbar/m RtPt -0.450T mbar/m RtQc -0.475T mbar/m Timed Rates WARMUP Measured parameter. Measured value. “T” for timed rate of change. Units of measurement. Special messages, e.g. warm-up period. Figure 4-5: Rate Timer Display - Pressure Units 4.1.3 Pt Only Display The Pt only display overrides the other display modes (single, dual and triple).

  • Page 49: Change To Single, Dual Or Triple Display

    Changing the Units 4.2.1 Change to Single, Dual or Triple Display Press SETUP. Select [MORE]. Select [DISPLAYS/OPTIONS]. Select [DISPLAY TYPE]. Using [NEXT] or [PREV]. Select either SINGLE, DUAL or TRIPLE, ENCODER (more display types with options fitted). Press [SAVE] to accept. Press CLEAR/QUIT repeatedly to return to user display.

  • Page 50: Aim

    Chapter 4. Operation Note: (2) Display cannot be changed with SETUP switched off or in minimum mode. 4.4 Aim The ADTS 405 Mk2 must be in control mode to set a new aim (current aim displayed). If the aim field shows “Leak Measure” press LEAK MEASURE/CONTROL to enter control mode. Press the value or rate parameter to change, e.g.
  • Page 51 Leak Measure Press [SEL] to save and then press CLEAR/QUIT until the main pressure screen shown below is displayed. Leak Measure Leak Measure Note: The numeric value of the parameters displayed change with each power-up sequence. The amount of change depends on local atmospheric pressure conditions at the time of power-up.

  • Page 52: Aircraft System Protection

    Chapter 4. Operation Press the LEAK MEASURE/CONTROL key to enter into Leak Measure mode. 4998 Leak Measure 299.0 Leak Measure Press RATE TIMER and select a suitable wait and time period. After the rate timer test has completed, the ADTS will show the leak rates: -1.00T ft/m RtCA...

  • Page 53: Auto Recovery Facilities

    Aircraft System Protection 4.6.1 Auto Recovery Facilities INFORMATION The pressure controllers in the ADTS 405 Mk2 can “feed” a leak in an aircraft system. When first testing an aircraft system, a leak test must be carried out at low altitude and airspeed. If, during a leak test, a leak in the system produces a rate of climb greater than the rate set in limits or a rate of change of airspeed greater than the rate set in limits, then the pressure controllers automatically regain control to minimize damage to the aircraft system.

  • Page 54: Changing Parameters

    Chapter 4. Operation the range of the pitot channel, i.e. either 850 or 1,000 kts. See Section 1.3, “Operating Limits,” on page 2. 4.7 Changing Parameters 4.7.1 Mach Test and Constant Mach To go to 0.8 Mach, enter Control Mode and proceed as follows: Press SPEED then RATE to select rate of change of airspeed.

  • Page 55: Engine Pressure Ratio (Epr)

    Engine Pressure Ratio (EPR) Press LEAK MEASURE/CONTROL to enter control mode. Press SPEED/Qc. If necessary, press RATE and enter a change of airspeed low enough to observe switch operation. Enter an Aim value below the operating limits of the switch (i.e., airspeed switch operating at 130 kts ±...

  • Page 56: Testing Aircraft Systems Or Uut

    Chapter 4. Operation Note: EPR testing can also be performed by specifying the actual INLET and OUTLET values. 4.10 Testing Aircraft Systems or UUT CAUTION Observe the appropriate safety instructions and procedures detailed in the aircraft maintenance manuals or component maintenance manuals.

  • Page 57: Setup Options

    Setup Options Enter a new altitude (static) or new airspeed (Qc) set-point. 4.11 Setup Options The SETUP key provides access to secondary functions using a menu system, extends the keyboard and allows many of the ADTS 405 Mk2 functions to be customized. All changes made under setup are temporary and will be lost when the system is switched off.

  • Page 58: Change Units In Minimum Setup Mode

    Chapter 4. Operation Select [UNITS]. Select required pressure units for display using [NEXT], [PREV] and [SAVE]. Use CLEAR/QUIT to return to pressure display. 4.11.2 Change Units in Minimum Setup Mode Press SETUP. Select [UNITS TYPE]. Select [PRESS]. Use CLEAR/QUIT to return to the main pressure display. Note: Pressure units cannot be selected when setup mode is switched off.
  • Page 59 Communications Panel Options accessible within the communications adapter IP port at this time, however the functionality of the port may be assessed and tested if required. The system is supplied with factory default IP addresses as follows: Table 4-1: Default IP Address Configuration IP Address Function 192.168.2.2...

  • Page 60: Changing The Default Access Password

    Chapter 4. Operation A ping to either of the above ADTS IP addresses should give the following typical response seen in Figure 4-7 Ping Test from Windows Command Prompt below: Figure 4-8: Ping Test From Windows Command Prompt The IP address settings may be changed to match local network requirements using the CONFIG and SETUP menus, as described in Section 4.11 and Section 4.12.

  • Page 61: Access Adts Files

    Communications Panel Options Enter the supervisor IP address and select the SSH as the required connection type, see Figure 4-9. Figure 4-9: PuTTY Configuration Press “OPEN” and select “YES” to any security warnings. Enter the user name “adts” and the default or current password when prompted. At the $ prompt, enter command <passwd>...
  • Page 62 Chapter 4. Operation Open Win SCP and create an SFTP login using the following credentials and save under a suitable name for future connections: Table 4-3: Win SCP Client Credentials Parameter Value Notes Host Name: 192.168.2.2 The IP address of the ADTS supervisor Ethernet adaptor.

  • Page 63: Ieee 488 Option

    IEEE 488 Option The ADTS 405 Mk2 file system directories (under folder fs\etfs) are visible in the right hand pane as shown in Figure 4-11 file system directories screen below: Figure 4-11: ADTS File System Directories Screen The example ETP (Test Programs) directory can be seen to contain two default test programs, “altosc”...

  • Page 64: Ieee 488 Connector

    Chapter 4. Operation Press and hold down F1 then press SETUP to enter the configuration menu. Release both keys. If requested, enter PIN details. Press [MORE], [DISPLAY/OPTIONS], [OPTIONS], [IEEE-488], [SCPI/OPT2]. Check the display shows that SCPI is selected. If the settings are correct, press CLEAR/QUIT until the display shows the main pressure display.

  • Page 65: Enabling The Altimeter Encoder Option

    Enabling the Altimeter Encoder Option Table 4-4: IEEE 488 Connector Pin-out Pin Number Function a. Chassis connection. b. 0V return for signals (not chassis). 4.15 Enabling the Altimeter Encoder Option Press and hold down F1 and press SETUP to enter the configuration menu. Release both keys.
  • Page 66 Chapter 4. Operation 48 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.

  • Page 67: Maintenance

    Introduction 5. Maintenance 5.1 Introduction This section details the recommended maintenance tasks to be carried out by the operator. The maintenance chart shows the periodicity of each task and a code referenced to the task detailed in Section 5.3, “Maintenance Tasks,” on page 50. Table 5-1: Maintenance Chart Task Code...

  • Page 68: Maintenance Tasks

    Chapter 5. Maintenance Table 5-3: Tool and Test Equipment Requirements Example Manufacturer’s part Ref Code Nomenclature number Multimeter, Digital Fluke 87V Insulation Tester, 500 V Fluke 1507 5.3 Maintenance Tasks Visually inspect the unit for obvious signs of damage and check that all the equipment is present;...

  • Page 69: Routine Maintenance

    The power supply cable and connector must be correctly rated for the power supply. Only use power cables supplied by GE specifically for the ADTS. © 2017 General Electric Company – All Rights Reserved.
  • Page 70 Chapter 5. Maintenance 5.4.3.1 Replacing ADTS 405F Mk2 AC Fuses WARNING Only replace the fuses with the correct type. The ADTS 405F Mk2 has two 20 mm High Breaking Capacity (HBC) fuses for the AC supply. They are located in the holder mounted on the pump-rack front panel. They protect the entire unit.
  • Page 71 Routine Maintenance 5.4.3.2 Replacing ADTS 405F Mk2 DC Fuses WARNING Only replace the fuses with the correct type. The ADTS 405F Mk2 has two 1.25” Time Lag fuses for the DC supply. They are located in the holder mounted on the pump-rack front panel. They protect the entire unit. The fuses are connected in the supply positive and the common (0 V) return.
  • Page 72 Chapter 5. Maintenance 5.4.3.3 Replacing ADTS 405R Mk2 AC Fuses WARNING Only replace the fuses with the correct type. 5.4.3.4 The ADTS 405R Mk2 has two 20 mm High Breaking Capacity (HBC) fuses for the AC supply. These are located in the holder mounted on the power input connector on the rear of the rack.

  • Page 73: Cable Tests

    Cable Tests Note: (2) If the fuse blows immediately after switch-on, contact the manufacturer or Service Agent. 5.5 Cable Tests RISK OF ELECTRIC SHOCK Do the Standard Serviceability Test, detailed in Section 6.4, “Standard Serviceability Test,” on page 58, prior to performing a cable test.

  • Page 74: Dc Power Cable

    Chapter 5. Maintenance Measure the insulation resistance between Live and Neutral. In all cases the insulation resistance must exceed 2 MΩ. Table 5-4: AC Input Connector ADTS Pin European Color USA Color Function Brown Black Live Blue White Neutral EARTH Green/Yellow Green Protective Ground...

  • Page 75: Testing And Fault Finding

    Introduction 6. Testing and Fault Finding 6.1 Introduction The ADTS 405 Mk2 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: Standard Serviceability Test

    Chapter 6. Testing and Fault Finding 6.4 Standard Serviceability Test The following procedure can be used to check the functions and facilities of the ADTS 405 Mk2. For further information, refer to Chapter 7., “Reference,” on page 71. In the following procedures: •...

  • Page 77: Pump Unit (Adts 405F Mk2)

    Fault Finding • Equalizing system pressures. Note: See Section 3.2.2, “Power-up,” on page 16 for a typical power-up sequence. Check that the display then changes to show measured altitude and airspeed (CAS or TAS) values. Press the MACH/Pt key and check the display changes to show Altitude and Mach measured values.

  • Page 78: Fault Diagnosis

    Chapter 6. Testing and Fault Finding 6.6 Fault Diagnosis If a fault occurs, refer to the fault finding chart, Figure 6-1 and Table 6-1. SET POWER SWITCH TO OPERATE POWER INDICATOR ON? FRONT HAND-TERMINAL PANEL DISPLAY FITTED? FITTED? FRONT PANEL DISPLAY STATUS LIGHT POWER-UP MESSAGE? FLASHING...
  • Page 79 Fault Diagnosis Table 6-1: Fault Advice and Action Fault Symptom Probable Cause Action Pump power-on indicator does Faulty power supply. Check power supply. not light. Unserviceable fuse, AC/DC Check/replace power supply power supply. Faulty power fuse or reset circuit protection supply cable.

  • Page 80: Ventilating After Overpressure

    Chapter 6. Testing and Fault Finding 6.7 Ventilating after Overpressure INFORMATION Only select items detailed in the following menus, incorrect selections can cause changes to safety limits and the calibration data of the system. To calibrate or test the ADTS 405 Mk2, an external pressure source is connected to the Ps and/or Pt output connectors.

  • Page 81: Further Testing

    Further Testing Select F1. The display shows: (SYSTEM) F1 Vent System F2 Set System Ready F3 View Temperature Select F1. The display shows: Going To Ground PLEASE WAIT When complete, press CLEAR/QUIT three times to reset the system. 6.8 Further Testing Perform the following tests if a pneumatic leak or a controller instability is suspected.

  • Page 82: Vacuum Leak Check

    Chapter 6. Testing and Fault Finding At the end of the “Timing” period, the display shows the rate of change of Ps, Qc and Pt with a “T” to indicate timed average. 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].
  • Page 83 Further Testing Press Ps and wait for the aim values to be achieved. If auto-zero is enabled, wait for an auto-zero to take place. Note: During auto zero, the valve state changes on the mimic panel and the display shows “Zero” in place of the airspeed aim value. The time to auto-zero should be less than 1 minute from achieving the aim value.

  • Page 84: External Communication Ports

    Chapter 6. Testing and Fault Finding 6.8.6 External Communication Ports The following tests should only be done if the serviceability of an option facility is suspected or when an error occurs. Loosen the eight captive screws to remove the cover ADTS 405 Mk2 front panel plate from the communications connector panel.
  • Page 85 Further Testing 6.8.6.1 USB ‘A’ Port This port is for future function expansion only. Current use is for service purposes only. 6.8.6.2 USB ‘B’ Port This port is for future function expansion only. Current use is for service purposes only. 6.8.6.3 RS 232 Port This port is for future function expansion only.

  • Page 86: Altimeter Encoder

    Chapter 6. Testing and Fault Finding Set the bus controller to send EOI with last byte and to expect EOI on last byte of received data. Send interface clear (IEEE 488 command). Send “SOURCE:STATE OFF” (one space between STATE and OFF). Send “SOURCE:STATE?”...
  • Page 87 Further Testing If the test fails again, return the ADTS 405 Mk2 to the authorized maintenance or repair center. Table 6-2: Optional Cable (AAU-32 Units) ADTS Connector Pin Function Cable Color AAU-32 Connector Pin C4 LSB Brown Orange Yellow Green Blue Violet White...
  • Page 88 Chapter 6. Testing and Fault Finding 70 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.

  • Page 89: Reference

    Introduction 7. Reference 7.1 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 • EPR • ROC Ps RATE •...

  • Page 90: Keypad Display

    Chapter 7. Reference 7.2 Keypad Display 7.2.1 F1 - F4 These function keys or soft-keys are used to select choices from menus. The menu choices may be shown directly over the keys or displayed as a list. When a menu is displayed, press the appropriate function key to select the required choice.

  • Page 91: Mach/Pt

    Keypad Display If the Ps aim is changed, after the entry of Pt, then the Qc aim value changes while the Pt remains unchanged 10. SETUP, [UNITS] can be used to change the units of display, if setup mode is not switched off.

  • Page 92: Roc/Ps Rate

    Chapter 7. Reference 7.2.6 ROC/Ps RATE In aeronautical units (ft or m), this key selects a Rate of Climb (ROC) or vertical speed display. In pressure units (mbar, inHg etc.), this key selects a rate of change of Ps display. SETUP, [UNITS] can be used to change the units, if setup mode is not switched off.

  • Page 93: Rate

    Keypad Display Immediately the switch trips, press HOLD. (see Section 7.2.8, “HOLD,” on page 74 for more details) Read the airspeed value - this is the trip value for increasing airspeed. Enter a new airspeed aim below the expected trip value. Immediately the switch trips, press HOLD.

  • Page 94: Leak Measure/Control

    Chapter 7. Reference A new rate aim can be entered using the numeric keys, if the unit is in Control Mode (Aim displayed). Use LEAK MEASURE/CONTROL, to change between Control and Measure mode. If the automatic airspeed rate is selected (using SETUP, RATE) the airspeed rate is automatically adjusted to simultaneously achieve both altitude and airspeed aim values.

  • Page 95: Go To Ground]

    Keypad Display Note: Both channels (Ps and Pt) must be set to ‘Cntrl’ for go to ground. 7.2.12 [GO TO GROUND] Note: The Go-to-Ground operates only in Control Mode. 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.

  • Page 96: Print

    Chapter 7. Reference the remote key when the “REMOTE” message is not displayed forces the unit into remote mode as if the external device has taken control of the unit. Note: This may change operator settings such as the current limit set. Refer to the option user manual for further details.
  • Page 97 Keypad Display Various commands prompts the operator by displaying messages on screen such as: “Press the ETP key”. The “ETP” key is the general key for moving onto the next step. Note: The CLEAR/QUIT key should only be used to terminate test program execution.

  • Page 98: Help

    Chapter 7. Reference To de-select auto run press [NONE]. 7.2.19 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 keypad: Press HELP, then press the required key for information.

  • Page 99: Clear/Quit

    Keypad Display If it is a subsequent key pressed during numeric entry it produces three zeros for fast entry of thousands. Note: When -000 is pressed during entry of an aircraft name for limits, or in the Print facility, it always produces “-”. Example, follow the procedure below to enter -1000: Press -000: (Display shows -) Press 1: (Display shows -1)

  • Page 100: Setup

    Chapter 7. Reference After this restart sequence, the system vents, at a safe rate, both channels (pitot and static) to atmosphere during the power-up sequence. 7.3 SETUP Pressing the SETUP key causes the system to enter a setup mode preset in the configuration mode.

  • Page 101: Setup, [Limits]

    SETUP • mbar • inHg • mmHg • inH O 4°C • inH O 20°C • inH O 60°F • psi • hPa • kPa • kg/cm • % full-scale 7.3.3 SETUP, [LIMITS] The ADTS 405 Mk2 is preprogrammed with the manufacturer's STANDARD, CIVIL and MAX limit sets.

  • Page 102: Setup, [Osc]

    Chapter 7. Reference • Altitude correction value The set of limits used at power-up (default) can be selected using CONFIG, [LIMITS], [DEFAULT AIRCRAFT]. The default aircraft settings can be locked using CONFIG, [LIMITS], [LOCK AIRCRAFT] so that the operator cannot change the limits. 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”...

  • Page 103: Setup, [More], [Displays/Options], [Display Type]

    SETUP 7.3.6 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 104: Setup, [More], [Displays/Options], [Options]

    Chapter 7. Reference Table 7-5: Aeronautical Units Triple Display Key Press Key Press Display 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 Any key ALT, CAS or TAS Table 7-6: Pressure Units Triple Display...

  • Page 105: Setup, [More], [Open Output Valves]

    SETUP Note: For safety, the output valves can only be closed when the ADTS 405 Mk2 is at ground. 7.3.9 SETUP, [MORE], [OPEN OUTPUT VALVES] This function opens the Ps and Pt output valves after using the [CLOSE OUTPUT VALVES] function.

  • Page 106: Setup, Speed, [Cas/Tas]

    Chapter 7. Reference 7.3.13 SETUP, SPEED, [CAS/TAS] This function changes the airspeed display between Calibrated Airspeed (CAS or Vc) and True Airspeed (TAS or Vt). For testing purposes, CAS is equivalent to Indicated Airspeed (IAS). The value of TAS displayed depends on the Pt temperature, see Section 7.3.14, “SETUP, SPEED, [Pt TEMPERATURE],”...

  • Page 107: Setup, Leak Measure Control, [Auto Leak]

    SETUP • ft and mph • m and km/h (m/min) • m and km/h (m/s) • m and km/h (km/min) 7.3.18 SETUP, LEAK MEASURE CONTROL, [AUTO LEAK] This function enables or disables the auto leak recovery facility. See Section 7.2.10, “LEAK MEASURE/CONTROL,”...

  • Page 108: Setup,  Or  (Nudge Keys)

    Chapter 7. Reference 7.3.25 SETUP,  or  (Nudge Keys) INFORMATION Make sure the nudge increment is set to a suitable value before using the nudge facility to change the aim value. This function allows the increment value of the nudge key to be adjusted for every parameter. When SETUP, ...

  • Page 109: Setup, [Limits]

    SETUP 7.3.29 SETUP, [LIMITS] The ADTS 405 Mk2 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 110: Configuration

    Chapter 7. Reference 7.4 CONFIGURATION Any parameters, changed in any mode of SETUP, return to the default settings when the system is next switched on. The CONFIG mode may be used to change the default settings so that the ADTS 405 Mk2 powers-up in a specified state. Most SETUP parameters are also available in CONFIG;...

  • Page 111: Config, [Limits], [Edit Limits], [Edit Existing]

    CONFIGURATION The default [TEMPERATURE] units are used for entry of temperature values in SETUP or CONFIG. The default [AERONAUTICAL] and [PRESSURE] are set in MINIMUM SETUP, [UNITS]. 7.4.4 CONFIG, [LIMITS], [EDIT LIMITS], [EDIT EXISTING] This function allows existing sets of limits to be configured. Use [NEXT] or [PREV] to select the set of limits by aircraft name or component/ system name/number when the display shows the required aircraft limits, press [SEL] to edit the limit values.

  • Page 112: Min Alt, Max Alt, Min Cas, Max Cas

    Chapter 7. Reference To enter a alphabetic character (A to Z), press [ALPHA] and use the nudge keys to change to the required character. Press [ALPHA] again to enter another alphabetic character. Press [BACK] to delete the last character. When editing text use the CLEAR/QUIT key to cancel editing.

  • Page 113: Saving Limits

    CONFIGURATION 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 saved. Maximum altitude rate 20,000 ft/min Maximum airspeed rate 1 Mach/min 1.0 Mach...

  • Page 114: Config, [Limits], [Edit Limits], [Edit New]

    Chapter 7. Reference for setting-up a set of limits similar to the maximum system limits. The system displays an error message if MAX limits already exist. 7.4.15 CONFIG, [LIMITS], [EDIT LIMITS], [EDIT NEW] This function is identical to [EDIT EXISTING] and creates a new set of limits. Default values are taken from “Standard”...

  • Page 115: Config, [More], [Setup Mode]

    CONFIGURATION 7.4.25 CONFIG, [MORE], [SETUP MODE] This function enables, disables or limits access to the secondary functions. There are three setup modes: Table 7-7: Setup Modes Mode Description FULL This mode provides complete access to all secondary functions when the SETUP key is pressed.

  • Page 116: Config, Ground

    Chapter 7. Reference 7.4.35 CONFIG, GROUND CONFIG equivalent of SETUP function. 7.4.36 CONFIG, PORT Refer to the Line Switching Unit User Manual. 7.4.37 CONFIG, REMOTE INFORMATION Changing between sets of limits can cause damage to sensitive instruments. Entering CONFIG disables lock out. There are two sets of limits: “REMOTE”...
  • Page 117 CONFIGURATION Note: Access to maintenance functions may also be PIN protected. This PIN number is not the same as the CONFIG PIN. © 2017 General Electric Company – All Rights Reserved. ADTS 405 R/F Mk2 Instruction Manual-English | 99...
  • Page 118 Chapter 7. Reference 100 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.

  • Page 119: Specification

    8. Specification Table 8-1: Rack-mount ADTS 405R Mk2 Specification Parameter Value Size Standard 19" rack front panel: 6U high (10.50”) Depth behind front panel: 255 mm (10.04”) Rear panel connections available: Weight 12 kg (26.5 lb) EN 61326-1 Electrical Safety EN 61010-1 AC Power Supply Single phase AC in the range...
  • Page 120 Chapter 8. Specification Table 8-2: Flight-line ADTS 405F Mk2 Specification Parameter Value Size Height: 463 mm (18.22") Length: 781 mm (30.73") Width: 331 mm (13.03") Weight 33.5 kg (73.9 lb) EN 61326-1 MIL-STD-461F (Extended environment) Electrical Safety EN 61010-1 AC Power Supply Single phase AC in the range 100/120/230 V, 50/60 Hz (automatic range switching):...

  • Page 121: Pressure/Vacuum Requirements

    Pressure/Vacuum Requirements 8.1 Pressure/Vacuum Requirements See Safety and Installation Guide 124M8686. 8.2 Warm-up Requirements If the ADTS 405 Mk2 temperature has stabilized within the operating temperature range before switching on, the test set requires a warm-up period of 15 minutes to achieve the stated accuracy.
  • Page 122 Chapter 8. Specification 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. Table 8-3: Performance Expressed in Aeronautical Units Calibrated Rate of Climb Rate of change...

  • Page 123: Control Performance

    Control Performance Table 8-5: Qc, Rate Qc and EPR Performance Expressed in Pressure Units Differential (Qc) Differential (Qc) Parameter Rate Qc 1000 kts 850 kts Units mbar diff mbar diff mbar/min Maximum Range -1352 to 3377 -1352 to 2700 10,000 0.1 to 10 Calibrated or -1320 to 2500...

  • Page 124: Control Response

    Chapter 8. Specification The following are possible: Table 8-7: Rate Control Capabilities Channel Rate Control Capabilities ft/min or metres/min - maximum rate 100,000 ft/min Absolute pressure units/min Absolute pressure units/min kts/min or km/h/min - maximum rate 2,000 kts/min Differential pressure units/min Using a single vacuum pump, a rate of 20,000 ft/min can be achieved with a volume of 10 litres (600 cubic inches) connected to the static (Ps) channel and 6.7 litres (400 cubic inches) connected to the pitot (Pt) channel.

  • Page 125: Appendix A. Menus

    Appendix A. Menus Table A-1: Menu Hierarchy Key Nomenclature Description Example key press on keypad display. SETUP Simultaneous key press on keypad display. In this example, press and hold the F1 key, and press the SETUP SETUP key to enter the CONFIG menu. [NEXT] Item in soft menu, keys labeled F1 to F4.

  • Page 126: Full Setup Menu

    Appendix A. Menus A.1 Full Setup Menu Key/selection Function and Comments SETUP Enters the SETUP menu. [Units] Select displayed units. [NEXT] Step through available units. [PREV] As [NEXT], but in reverse order. [SAVE] Select displayed units. [Limits] Select set of limits. [NEXT] (aircraft 1, aircraft 2, …) [PREV]...
  • Page 127 Full Setup Menu Key/selection Function and Comments SETUP Enters the SETUP menu. data entry Altitude correction value. SPEED [Auto Zero] Auto zero function. [ON] [OFF] [CAS / TAS] Select between calibrated or true airspeed. [CAS] Calibrated airspeed. [TAS] True airspeed. [Pt Temperature] Temperature for true airspeed.
  • Page 128 Appendix A. Menus Key/selection Function and Comments SETUP Enters the SETUP menu. PRINT [System Date/Time] Set the ADTS date and time. [DATE] ADTS system date. data entry [TIME] ADTS system time. data entry EXECUTE [Print/Save] TEST Choose destination for results data. PROGRAM [PRN] Print results data.

  • Page 129: Minimum Setup Menu

    Minimum Setup Menu A.2 Minimum Setup Menu Key/selection Function and Comments SETUP Enters the SETUP menu. [Units Type] Select units type. [AERO] Select aeronautical units. [PRESS] Select pressure units. [Limits] Select set of limits. [NEXT] (aircraft 1, aircraft 2, …) [PREV] As [NEXT], but in reverse order.

  • Page 130: Configuration Menu

    Appendix A. Menus A.3 Configuration Menu Key/selection Function and Comments SETUP [Units] [Aeronautical] Sets the default aeronautical units. [NEXT] Step through available units. [PREV] As [NEXT], but in reverse order. [DEF] Select the default aeronautical units. [SAVE] Save the selected units. [Pressure] Sets the default pressure units.
  • Page 131 Configuration Menu Key/selection Function and Comments SETUP [Limits] [Lock aircraft] [ON] [OFF] [Default aircraft] [NEXT] [PREV] [SEL] [More] [Control] [Control mode] [Ps] [Pt] [DUAL] [Control lock] [ON] [OFF] [Displays/options] [Display type] [NEXT] [PREV] [SAVE] [I/O Options] [ENET SUPER] [DHCP] [Fixed IP] [ADDR] [MASK] [BCST]...
  • Page 132 Appendix A. Menus Key/selection Function and Comments SETUP Enters the CONFIG menu. SPEED [Auto zero] Auto zero function. [ON] [OFF] [CAS / TAS] Select between calibrated or true airspeed. [CAS] Calibrated airspeed. [TAS] True airspeed. [Pt temperature] Temperature for true airspeed. data entry Enter pitot temperature.
  • Page 133 Configuration Menu Key/selection Function and Comments SETUP Enters the CONFIG menu. LOCAL [ON] Enables remote control of the ADTS. REMOTE [OFF] EXECUTE [Auto run] TEST Run test program at power-up. PROGRAM [NEXT] [PREV] As [NEXT], but in reverse order. [NONE] Select no test program at power-up.
  • Page 134 Appendix A. Menus 116 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.

  • Page 135: Appendix B. Errors And Warnings

    Error Messages Appendix B. Errors and Warnings B.1 Error Messages The following table lists the ADTS 405 Mk2 error messages: Table B-1: Error Messages Number Message Hexadecimal Code PSU NO LONGER READY UNKNOWN CONTROLLER ERROR RING TIME OUT INTERNAL RAM ERROR ERROR WRITING TO EEPROM Ps SELF-TEST ERROR ...

  • Page 136: Warning Messages

    Appendix B. Errors and Warnings B.2 Warning Messages The following table lists the ADTS 405 Mk2 warning messages with the possible cause and action to be taken: Table B-2: Warning Messages Number Message Probable Cause Action INVALID USER INPUT The numeric value entered Re-enter value within was outside the allowed allowed range.
  • Page 137 Warning Messages Table B-2: Warning Messages Number Message Probable Cause Action Pt PRESSURE FAIL The Pt controller has Restore pressure supply detected loss of supply BEFORE going to control pressure and automatically mode again. Refer to main switched all channels to fault finding chart in the measure mode.
  • Page 138 Appendix B. Errors and Warnings Table B-2: Warning Messages Number Message Probable Cause Action CANNOT CONTROL Failed pump test. Check system limits. PUMP TEST FAILED Pump not achieving limits. Set lower limits. 120 | ADTS 405 R/F Mk2 Instruction Manual-English ©...
  • Page 140 © 2017 General Electric Company – All Rights Reserved. Specifications 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.

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