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Laversab 6500 Скачать руководство пользователя страница 7

vi

TABLE OF CONTENTS (contd.)

6.2 General Notes ............................................................................................................ 47

6.3 Ps Calibration ........................................................................................................... 48

6.4 Pt Calibration ........................................................................................................... 49

Section 7:

Maintenance ................................................................................................. 53

Section 8:

Communication Interface ............................................................................ 54

8.1 RS232 Serial Interface .............................................................................................. 54

8.2 IEEE-488 Interface .................................................................................................... 54

8.3 Communication Syntax ........................................................................................... 55

Appendix A:  Error Codes     ..................................................................................................  58
Appendix B:  Specifications    ................................................................................................  59
Appendix C:  Repair and Return Policies     ........................................................................  60

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Содержание 6500

Страница 1: ...TX 77478 281 325 8300 FAX 281 325 8399 Email aservice laversab com Document Number 9014 REV F4 Date February 23 2011 http www avionteq com Laversab 6500 Automated Air Data Test Set aspx www avionteq c...

Страница 2: ...g free of charge FOB Houston Texas any such parts proving defective within the period of this warranty but Laversab Inc will not be responsible for transportation charges consequential or incidental d...

Страница 3: ...in part or in whole without the prior written permission of Laversab Inc DISCLAIMER No representations or warranties are made with respect to the contents of this user s manual Further Laversab Inc re...

Страница 4: ...anual 9014 Rev C 12 28 2004 6500 Rev C User s Manual 9014 Rev D 02 15 2005 6500 Rev D User s Manual 9014 Rev E 06 06 2005 6500 Rev E User s Manual 9014 Rev F 08 27 2009 6500 Rev F User s Manual 9014 R...

Страница 5: ...Y OR LOSS OF LIFE HENCE THE EQUIPMENT DESCRIBED IN THIS MANUAL SHOULD BE OPERATED ONLY BY PERSONNEL TRAINED IN PROCEDURES THAT WILL ASSURE SAFETY TO THEMSELVES TO OTHERS AND TO THE EQUIPMENT BEFORE PE...

Страница 6: ...3 4 Self Test Screen 30 3 5 Function Select Screen 31 3 5 0 Function 0 IEEE Address 32 3 5 1 Function 1 View Limits 32 3 5 2 Function 2 Set Limits 33 3 5 3 Function 3 Set Knots Rate 35 3 5 4 Function...

Страница 7: ...48 6 4 Pt Calibration 49 Section 7 Maintenance 53 Section 8 Communication Interface 54 8 1 RS232 Serial Interface 54 8 2 IEEE 488 Interface 54 8 3 Communication Syntax 55 Appendix A Error Codes 58 App...

Страница 8: ...ws the user to control EPR on the pitot output The model 6500 features programmable limits on altitude airspeed mach number and climb rate These limits are checked during data entry and thereby prohib...

Страница 9: ...the viewing angle of the display 3 Remote Connection An optional Remote Unit may be connected to the 6500 at this connector 4 Ps Test Port This 1 8 NPT port is the Ps Static port of the unit This por...

Страница 10: ...3...

Страница 11: ...4...

Страница 12: ...an be adjusted using the Contrast knob There are five function keys just below the display NEXT SCREEN and PREVIOUS SCREEN are used to move between the different operating screens of the 6500 At prese...

Страница 13: ...ey is used to select Climb value entry and the Ps ALTITUDE key is used to select Ps or Altitude value entry After selecting the target value key the new value can be entered using the numeric keypad T...

Страница 14: ...must be capable of achieving a pressure that is at least 0 5 inHg lower than the lowest desired controllable pressure on the 6500 i e if the lowest controllable pressure is 2 0 inHg absolute then the...

Страница 15: ...es please refer to Section 4 For more details on communication with the 6500 please refer to Section 8 5 AC input connector and Fuse A 5x20 mm fuse is located inside the fuse holder The fuse is a time...

Страница 16: ...port is the Pt Pitot port of the unit This port can be used to connect to the Pitot port of the Unit Under Test UUT This port will have a factory installed AN 4 fitting This port is Teed into the Pt...

Страница 17: ...he Vacuum port of the 6500 Note DO NOT connect the pressure or vacuum supplies until the 6500 has been turned ON DO NOT connect any UUT to the test ports The 6500 will turn ON with two beeps The displ...

Страница 18: ...t Screens 2 0 IEEE address 1 View Limits 2 Password Change Limits 3 Change knots rate 4 Execute profile Return to Main 5 Setup Profile 6 Height Correction 7 Set Ground 8 Go to Ground 9 Encoder Next Sc...

Страница 19: ...to change Target values Units and Modes The following sub sections explain the various uses of the Main Screen 3 2 1 DISPLAYED PARAMETERS There are 11 basic parameters of importance while using the 65...

Страница 20: ...isplay as shown below The two values 3500 and 3000 that appear below it are in these units Units knots Feet min Feet Actual M 101 2 3500 1005 M Target 20 0 3000 0 Parameter 4 Pitot Actual value This i...

Страница 21: ...t is in the Control mode This is explained later in this section How to change the Pitot Target value is explained in section 3 2 2 Units knots Feet min Feet Actual M 101 2 3500 1005 M Target 20 0 300...

Страница 22: ...t valve inside the 6500 that is used to change the pressure at the Pitot output is pneumatically isolated from the Pitot output In the Measure mode the Pitot Target value is meaningless since the 6500...

Страница 23: ...Main Operating screen to the Leak screen The Leak screen is detailed in section 3 3 When the Static output is in the Control mode the 6500 is actually attempting to achieve the Static Target value Th...

Страница 24: ...exceeds limits Profile Execution When a profile is being executed the 4th line of the display will indicate the profile number and the point in the profile A sample screen is shown below where point...

Страница 25: ...l beep for a longer time period if extra invalid digits are entered It is not necessary to enter the decimal point and the digit after the decimal point if that digit is 0 That is if you want to enter...

Страница 26: ...L mode Therefore it is desired that both Pitot and Static values be entered so that both are blinking before the GO key is pressed Static target value For entering Ps or altitude target values press t...

Страница 27: ...s Knots 1 Feet 1 feet min 10 mach 0 001 Psin 0 001 inhg min 0 01 PtinHg 0 001 mtrs 1 mtrs min 10 QcinHg 0 001 mbar 0 01 mbar min 0 1 Ptmb 0 01 Qcmb 0 01 mph 1 kmph 1 EPR 0 001 Use of the HOLD key Whil...

Страница 28: ...will scroll left When the cursor is moved to the last selection line 4 will look like this Pt units Qcmbar Mph Kmph EPR Select the desired units by moving the cursor to the unit of choice and then pre...

Страница 29: ...be noted that the units change does not perform a conversion between the units of feet minute or meters minute to Ps inHg min or Ps mbar min The target values for inHg min and mbar min are distinct fr...

Страница 30: ...ts connected to the UUT or PLUGGED if not connected to a UUT and both of them achieving a specific target value Leaving one output in Measure or Leak and the other output in Control should be done onl...

Страница 31: ...changed from Measure or Leak to Control mode a sequence of events takes place that needs explaining Since the controlling portion of the 6500 is isolated from the output during Measure or Leak modes...

Страница 32: ...d will take place only when the transition to Control takes place within 2000 feet of Ground and 150 knots 3 3 LEAK SCREEN Although most of the operation of the 6500 will be performed while in the Mai...

Страница 33: ...mode It will then display a message as follows Static leak exceeds 2000 ft min Returning STATIC to Control Mode Please press GO While in the Pitot Leak Screen if the leak ever exceeds 50 knots min th...

Страница 34: ...lues and total leak at the end of 1 minute The third line shows the Actual values and total leak at the end of 2 minutes The fourth line shows the Actual values and total leak at the of 3 minutes The...

Страница 35: ...ppear as below Change the 3rd leak timer value if desired using the Arrow keys The leak timer value must be changed before the elapsed time reaches 58 seconds The 3rd leak timer value can be adjusted...

Страница 36: ...9 5 0 5 14965 35 2m 3m 1 02 When the elapsed time reaches 2 02 the leak screen is updated again The third line shows that at the end of 2 minutes the knots value leaked to 99 1 knots and the accumulat...

Страница 37: ...elow SELF TESTS Vent Ps and Pt ports to ambient Turn On pressure and vacuum supplies Then press GO There are seven tests performed on the system These tests check every subsystem for acceptable operat...

Страница 38: ...e CANCEL key to return to the Main Operating Screen If any of the tests fail then note the failure turn OFF the unit and contact the factory 3 5 FUNCTION SELECT SCREEN There are 10 different functions...

Страница 39: ...of each of the functions is given below 3 5 0 FUNCTION 0 IEEE ADDRESS This function allows the user to enter a valid IEEE 488 address for the 6500 This address is meaningful only if the IEEE option i...

Страница 40: ...500 0 4 max feet 50000 2 min knots 200 0 5 min feet 2000 3 max mach 1 000 6 max ft min 6000 There are six limit values that can be set These limits are checked when a Target value is entered If the ta...

Страница 41: ...is limit is usually set to the minimum altitude that the UUT can tolerate It is usually a negative number The maximum value for this limit is 80 000 and the minimum is 16 000 A typical setting for thi...

Страница 42: ...into the Main Screen as shown below You will need to enter the profile number that you want to execute A full explanation of profiles is given in Section 4 x Units knots Feet min Feet Actual M 101 2 3...

Страница 43: ...ng Function 4 At any time to exit out of the profile viewing or execution function press CANCEL and the screen will revert back to the last executed point 3 5 5 FUNCTION 5 SETUP PROFILES This function...

Страница 44: ...Press GO to Set Ground or press CANCEL to exit 3 5 8 FUNCTION 8 GO TO GROUND The Go To Ground function is used to bring the UUT down to Ground The target altitude is set to the value memorized in the...

Страница 45: ...e 10 bit code on line 2 and flight level on line 3 will correspond to the altimeter reading The value of the target altitude can be changed by pressing 1 followed by the desired value followed by the...

Страница 46: ...that is created in Excel A typical profile named Sample is shown below as it would appear in Excel A B C D E F G 1 Profile 2 Sample 3 0 3 knots Control 100 0 Feet Control 0 6000 4 knots Control 200 0...

Страница 47: ...point in the profile tells the 6500 to go in Control mode to 100 knots on the Pitot side and in Control mode to 0 feet at 6000 feet min on the Static side Row 4 point 2 makes the 6500 go to 200 knots...

Страница 48: ...delete rows 51 52 and 53 7 Format the cells with values so that they show the correct number of digits after the decimal point For instance knots values have 1 digit after the decimal Mach values hav...

Страница 49: ...UUT 10 Now that the profile is complete save the profile as an Excel file xls file using the name of the profile as the filename Then save it again using the Save As command but this time change the f...

Страница 50: ...n should appear If it does not appear then you will need to repeat steps 1 and 2 above 4 4 DOWNLOADING PROFILES 1 Connect the one to one RS232 cable to the RS232 port on the 6500 You will need to remo...

Страница 51: ...e a particular point can be specified the user can start a profile at any point not necessarily at point 1 x can have a value between 1 and 20 and y can have a value between 1 and 50 When a profile nu...

Страница 52: ...ofile point 7 When the last point in the profile is executed pressing ENTER will cause line 4 of the display to be cleared This will be the only indication that the profile has been completed 8 Each p...

Страница 53: ...ke sure the unused port is plugged Plug the spare Ps and Pt ports Caution When testing an airspeed indicator make sure the Ps port is connected to the Static Reference port on the airspeed indicator 8...

Страница 54: ...ideal hoses to use are Teflon or Teflon coated hoses because they have a very low absorption and out gas coefficient Stainless steel hoses may also be used If the wrong type of hoses are used then th...

Страница 55: ...PsinHg of the 6500 This is the first of your Before calibration adjustment reading It will indicate the zero drift since the previous calibration Note If your Standard cannot generate 1 000 inHg abs t...

Страница 56: ...of the remote unit press PREV SCREEN The display will return to the Main Screen If you press CANCEL the calibration adjustment will become void Step 9 Turn the 6500 OFF wait 30 seconds and then turn...

Страница 57: ...tment for the Pt port on the 6500 move to the the CALIBRATION screen using the NEXT SCREEN key and enter the password The calibration screen appears as follows CALIBRATION Pt inHg Ps inHg Vacuum 1 ___...

Страница 58: ...n If you press CANCEL the calibration adjustment will become void Step 9 Turn the 6500 OFF wait 30 seconds and then turn it back ON The calibration adjustment is now complete for the Pt port Step 10 V...

Страница 59: ...5 100 000 0 005 _______________________________________________________________________ VERIFICATION RESULTS STATIC PRESSURE Ps PITOT PRESSURE Pt APPLIED DISPLAYED APPLIED DISPLAYED inHg inHg inHg inH...

Страница 60: ...tenance of the 6500 includes calibration once a year The calibration procedure is described in Section 6 In addition to calibration there is only one other item that requires regular maintenance repla...

Страница 61: ...he pin out of the interface is as follows Pin 2 Transmit TX Pin 3 Receive RX Pin 5 Signal ground GND The baud rate parity bits per byte and number of stop bits cannot be altered and is set to 9600 No...

Страница 62: ...COMMUNICATION SYNTAX All commands to the 6500 are two letter commands Some commands are used both to read and write data Others are used only to read data back from the 6500 If a command is used to wr...

Страница 63: ...ad Set Pt mode to Measure 1 Leak 2 control 3 SM n R W Read set Ps mode to Measure 1 Leak 2 Control 3 ER R Read current error 0 if no error L1 n R W Read set max knots limit L2 n R W Read set min knots...

Страница 64: ...point C3 n R W Read set Ps vacuum cal point C4 n R W Read set Ps fullscale calibration point CC W Activate new calibration points after new values have been entered for either C1 and C2 or C3 and C4 T...

Страница 65: ...eds Qc limits 4 Pt target value exceeds Mach limit 5 Ps rate target exceeds Rate limit 6 Ps target exceeds altitude limits 7 Pt actual value exceeds Qc limit 8 Pt actual value exceeds Mach limit 9 Rat...

Страница 66: ...inHg resolution 0 001 inHg accuracy 0 003 inHg Airspeed function range 0 to 1100 knots resolution 0 1 knots accuracy 1 5 knots 20 knots 0 5 knots 50 knots 0 25 knots above 100 knots 0 1 knots above 3...

Страница 67: ...ice laversab com for further assistance Before shipping any equipment to Laversab for repair please call the customer service department at 281 325 8300 or fax 281 325 8399 or e mail to aservice laver...

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