INSTALLATION MANUAL KLN 90B GPS RNAV MANUAL NUMBER 006-10521-0005 REVISION 5 April, 2003
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BENDIX/KING KLN 90B SECTION I GENERAL INFORMATION Paragraph Page 1.1 INTRODUCTION...........................................................................................1-1 1.2 EQUIPMENT DESCRIPTION ......................................................................1-1 1.3 TECHNICAL CHARACTERISTICS ..............................................................1-1 1.3.1 ARINC 429 GAMA FORMAT INFORMATION .............................................1-1 1.3.3 UNIT TECHNICAL CHARACTERISTICS .
BENDIX/KING KLN 90B SECTION II INSTALLATION ParagraphPage 2.1 GENERAL INFORMATION .......................................................................... 2-1 2.2 UNPACKING AND INSPECTING EQUIPMENT .......................................... 2-1 2.3 EQUIPMENT INSTALLATION...................................................................... 2-1 2.3.1 AVIONICS COOLING REQUIREMENTS FOR PANEL MOUNTED EQUIPMENT........................................................ 2-1 2.3.
BENDIX/KING KLN 90B SECTION III OPERATION Paragraph 3.1 Page GENERAL INFORMATION ......................................................................... 3-1 LIST OF ILLUSTRATIONS Figure Page 2-1 KLN 90B CONNECTOR PIN FUNCTIONS .................................................. 2-9 2-2 KLN 90B CRIMPING AND INSERTION/EXTRACTION TOOLS.................. 2-11 2-3 KLN 90/A/B INSTALLATION DRAWING ...................................................... 2-13 2-4 KA 91 OUTLINE DRAWING .................
BENDIX/KING KLN 90B APPENDIX A RS-232 FORMAT DEFINITIONS APPENDIX B KLN 90B SUPPLEMENTAL PROCEDURES MANUAL KLN 90B AIRPLANE FLIGHT MANUAL SUPPLEMENT KLN 90B SUPPLEMENTAL TYPE CERTIFICATE APPENDIX C GPS FAULT/ERROR CODES DATABASE LOADER MESSAGES TSO APPENDIX ENVIRONMENTAL QUALIFICATION FORMS Page iv 10521I05.
BENDIX/KING KLN 90B SECTION I GENERAL INFORMATION 1.1 INTRODUCTION This manual contains information relative to the physical, mechanical, and electrical characteristics of the BENDIX/KING KLN 90B Global Positioning System (GPS) Receiver. General installation procedures are also included. 1.2 EQUIPMENT DESCRIPTION The KLN 90B is a panel mounted, long range, GPS based airborne navigation system with a data base.
BENDIX/KING KLN 90B The following labels are received on the EFIS 429 receiver inputs (Pins 4 and 5 of P901): TABLE 3-1 EFIS 429 Receiver Inputs LABEL(OCTAL) DESCRIPTION 100 SELECTED COURSE 306 NAV/WPT/APT LATITUDE 307 NAV/WPT/APT LONGITUDE 314 OR 320 TRUE HEADING MAGNETIC HEADING The following labels are received on the Radar Graphics 429 receiver inputs (Pins 6 and 7 of P901): TABLE 3-2 Radar Graphics 429 Receiver Inputs LABEL(OCTAL) DESCRIPTION 306 NAV/WPT/APT LATITUDE 307 NAV/WPT/APT L
BENDIX/KING KLN 90B The following labels are transmitted by the KLN 90B on the ARINC 429 transmitter output (Pins 23 and 24 of P901): TABLE 3-4 Arinc 429 Gama Transmitter Output) LABEL(OCTAL) Rev 5, April/2003 DESCRIPTION 001 DISTANCE TO GO (BCD) 002 TIME TO GO (BCD) 012 GROUND SPEED (BCD) 074 DATA RECORD HEADER 075 ACTIVE WAYPOINT FROM/TO DATA 100 SELECTED COURSE #1 113 MESSAGE CHECKSUM 114 DESIRED TRACK (TRUE) 115 WAYPOINT BEARING (TRUE) 116 CROSS TRACK DISTANCE 121 HORIZONTAL C
BENDIX/KING KLN 90B 310 PRESENT POSITION LATITUDE 311 PRESENT POSITION LONGITUDE 312 GROUND SPEED 313 TRACK ANGLE (TRUE) 314 TRUE HEADING 315 WIND SPEED 316 WIND ANGLE (TRUE) 321 DRIFT ANGLE 326 LATERAL DEVIATION SCALE FACTOR 351 DISTANCE TO DESTINATION (VIA FLIGHT PLAN) 352 TIME TO DESTINATION (VIA FLIGHT PLAN) 371 SPECIFIC EQUIPMENT IDENT 377 EQUIPMENT HEX ID CODE For RS 232 I/O formats, refer to Appendix A. Page 1-4 10521I05.
BENDIX/KING KLN 90B 1.3.3 UNIT TECHNICAL CHARACTERISTICS Table 3-6 KLN 90b TSO Compliance SEE TSO APPENDIX Physical Dimensions: Width: 6.312 in. (16.03 cm.) Height: 2.00 in. (5.08 cm.) Length: 12.55 in. (31.87 cm.) Weight: 6.30 lbs. (2.86 Kg.
BENDIX/KING KLN 90B Table 3-7 KLN 90B Signal Inputs GPS DISPLAYED: OPEN = GPS displayed (when an indicator resolver is connected to the OBS resolver inputs) GND = GPS not displayed (when an indicator resolver is not connected) TAKE HOME: OPEN = Normal Operation GND = Take Home Mode SDI 1/2: OPEN = Primary Long-range Navigation System GND = Secondary Long-range Navigation System EFIS 429 RCVR inputs: See Section 1.3.1 RDRG (Radar Graphics) 429 inputs: See Section 1.3.
BENDIX/KING KLN 90B Table 3-9 KLN 90B Signal Outputs OBI SYNC, CLOCK, & DATA: Honeywell Serial Data containing bearing to the active waypoint RS 232 OUT: The RS232 output is designed to interface with certain ARNAV ELTs and certain moving map displays, storm scopes, and Shadin fuel flow systems (refer to Appendix A) WPT ALERT: (Waypoint Alert) OPEN = Inactive LOW = Active (Output can sink up to 250 mA MSG: (Message) OPEN = Inactive LOW = Active (Output can sink up to 250 mA) APPROACH ACTIVE: OPEN
BENDIX/KING KLN 90B Table 3-11 KLN 90B To/From Flag Output To Indication: +40 to +160 mV on Pin 21 with respect to Pin 20 From Indication: -40 to -160 mV on Pin 21 with respect to Pin 20 Output capable of driving up to five 200 W parallel loads Arinc 429 Xmitter: See Section 1.3.1 DATA LOADER OUT: The Data Loader RS 232 output is designed to communicate with an IBM compatible personal computer ALT ALERT: HIGH = Inactive LOW = Active (can sink up to 250 mA).
BENDIX/KING KLN 90B Table 3-13 KA 92 KA 92 ANTENNA TSO Compliance: SEE TSO APPENDIX Physical Dimensions: Width: 2.70 in. (6.86 cm.) Height: 0.70 in. (1.78 cm.) Length: 4.30 in. (10.92 cm.) Weight: 0.27 lbs. (0.12 Kg.) Airspeed Rating: 600 Kts. TAS Output Impedance: 50 Ohms (nominal) DC Voltage: 5 Volts $0.5 Volt DC Current: 50 mA maximum Table 3-14 KA 198 Comm Filter P/N 071-01565-0000 Center Notch Frequency: 1575.42 MHz. Attenuation at 1575.42 ;1.5 MHz: 35 dB min.
BENDIX/KING KLN 90B 1.4 UNITS AND ACCESSORIES SUPPLIED 1.4.1 KLN 90B GPS RECEIVER The KLN 90B is available in the following versions. New manufactured KLN 90B units are P/N 066-04031-1X21/1X22/1X24 and KLN 90/A units that have been converted to KLN 90B are P/N 066-04031-2X21/2X22/2X24.
BENDIX/KING KLN 90B 1.4.2 GPS ANTENNA The KA 91 antenna is available by ordering P/N 071-01545-0200. The KA 92 antenna is available by ordering P/N 071-01553-0200. 1.4.3 KLN 90/90B INSTALLATION KITS The KLN 90/90B Installation Kit (P/N 050-03096-0000) is available with crimp connectors only. A list of the required crimp tools and insertion/ extraction tools can be found in Section 2 of this manual. The kit and a complete list of the items contained in the kit is given below.
BENDIX/KING KLN 90B 1.4.4 KA 91/92 INSTALLATION KIT The KA 91 Installation Kit (P/N 050-03195-0000), including its contents, is shown below.
BENDIX/KING KLN 90B 1.5 ACCESSORIES REQUIRED, BUT NOT SUPPLIED A. Forced Air Cooling A KA 33 Cooling Kit or equivalent is required for the KLN 90B installation. 1. KA 33 Blower for 14 VDC installations is available under P/N 071-4037-00. 2. KA 33 Blower for 28 VDC installations is available under P/N 071-4037-01. 3. The installation kit for the KA 33 Blower is available under P/N 050-02204-0000. B. Indicators and HSIs An indicator, CDI or HSI, is required for IFR.
BENDIX/KING KLN 90B Functions of the -0101 include converting 3-wire heading sources to ARINC 429, converting the resolver output of a non-driven HSI to ARINC 429 so that the KLN 90B can read the selected course from the HSI, converting binary ARINC 429 data to BCD ARINC 429, and converting low speed ARINC 429 to high speed ARINC 429.
BENDIX/KING KLN 90B NOTE The part numbers shown in parenthesis are annunciators previously called out and may be used until supply is depleted. Replacement bulbs for 031-00785-xxxx 5V 037-00009-0007 14V 037-00009-0008 28V 037-00009-0006 KLN 90B Enroute/Terminal Set for CDI or Elect. Mech. HSI Installations The following switch/annunciators are being offered for CDI or HSI switching and annunciation in the KLN 90B IFR enroute/terminal installations. They are optional for KLN 90B/KLX 135 VFR installations.
BENDIX/KING KLN 90B KLN 90B Ann. Set NAV/GPS Sw. Ann. WPT/MSG Ann. GPS CRS OBS/LEG Sw. Ann. GPS APR ARM/ACT Sw. Ann. (28 V. Ltg.) 031-00785-0711 or (031-00763- 0711) 031-00785-0505 or (031-00763- 0505/-0718) 031-00785-0778 or (031-00785-0763) 031-00785-0766 KLN 90B Ann. Set (14 V. Ltg.) NAV/GPS Sw. Ann. 031-00785-0712 or (031-00763- 0712) WPT/MSG Ann. 031-00785-0762 or (031-00763- 0762/-0719) GPS CRS OBS/LEG Sw. Ann. 031-00785-0779 or (031-00785-0764) GPS APR ARM/ACT Sw. Ann. 031-00785-0767 KLN 90B Ann.
BENDIX/KING KLN 90B EFIS or KLN90A to 90B Upgrade Ann. Set (28 V. ltg.) GPS CRS OBS/LEG Sw. Ann. 031-00785-0778 or (031-00785-0763) GPS APR ARM/ACT Sw. Ann. 031-00785-0766 EFIS or KLN90A to 90B Upgrade Ann. Set (14 V. ltg.) GPS CRS OBS/LEG Sw. Ann. 031-00785-0779 or (031-00785-0764) GPS APR ARM/ACT Sw. Ann. 031-00785-0767 EFIS or KLN90A to 90B Upgrade Ann. Set (5 V. ltg.) GPS CRS OBS/LEG Sw. Ann. 031-00785-0780 or (031-00785-0765) GPS APR ARM/ACT Sw. Ann.
BENDIX/KING KLN 90B FOUR FIELD ANNUNCIATORS (WPT/MSG/---/---) LIGHTING Honeywell P/N 28 V 031-00763-0718 14 V 031-00763-0719 5V 031-00763-0720 NOTE: (WPT) AND (MSG) will be in amber color and the dashes in green. These annunciators will be deadface and readable only when lit. Dashes will only be lit during an annunciator test as a function of the aircraft installation.
BENDIX/KING KLN 90B GPS APR, ARM/ACTV Switch/Annunciator The KLN 90B requires a switch/annunciator for arming, disarming, or deactivating the approach mode. It will provide remote annunciation of ARM and ACTV and provide a momentary switch function to arm, disarm, or deactivate the Approach Mode and change the CDI scale factors. LIGHTING 28V 14V 5V Honeywell P/N 031-00785-0766 031-00785-0767 031-00785-0768 (Eaton Series 582) D.
BENDIX/KING KLN 90B NOTE The KPI 552/553/553A’s interfaced to the KNR 665 digital Gold Crown are not compatible with the KLN 90B. xOBS Interface For approach approval, the OBS resolver must be interfaced so that selected course through the HSI/CDI indicator will be sent to the KLN 90B for D-Bar resolution. In mechanical indicators, it will be accomplished by switching the OBS resolver lines; and in EFIS installations, it will be usually through the serial busses.
BENDIX/KING KLN 90B The KLN 90/90A’s upgraded to KLN 90B’s that are below S/N 1542 still will not have isolation diodes and may need to have them added to the installation. If the KLN 90B is without diode isolation and is paralleled with another unit such as a transponder, the combination can cause a loading effect which may result in one or all of the units in parallel being disabled. If the KLN 90B is connected to a dedicated encoding altimeter, the diodes are not necessary. 3.
BENDIX/KING Page 1-22 KLN 90B 10521I05.
BENDIX/KING KLN 90B SECTION II INSTALLATION 2.1 GENERAL INFORMATION This section contains general suggestions and information to consider before installation of the KLN 90B GPS RNAV. Close adherence to these suggestions will assure optimum performance from the equipment. The conditions and tests required for TSO approval of this article are minimum performance standards.
BENDIX/KING KLN 90B 2.3.3 ANTENNA SELECTION The KA 91 and KA 92 GPS active antennas, P/N 071-01545-0200 and 071-01553-0200 respectively, are the designated antennas for the KLN 90B. 2.3.4 ANTENNA INSTALLATION CONSIDERATIONS The antenna should be mounted on top of the fuselage near the cockpit. Avoid mounting the antenna near any projections, the propeller, and the T-tail of the aircraft, where shadows could occur. It is recommended that there be a separation of at least 3 ft.
BENDIX/KING 2.3.5 ANTENNA MECHANICAL INSTALLATION 2.3.5.1 General KLN 90B To maintain good performance from the antenna system, do not wax or paint the antenna. 2.3.5.2 Installation Procedure A. Using the correct template for the antenna chosen, mark the mounting holes on the aircraft fuselage. B. Drill and/or punch the required holes. C.
BENDIX/KING KLN 90B 2.3.6.2 Functional Pinout Descriptions This section gives a brief description of some of the inputs and outputs of the KLN 90B. It is provided so the installer can determine what specific wiring needs to be done to the aircraft in which the unit is to be installed. Unless otherwise specified, pins not used are to be left open. A.
BENDIX/KING KLN 90B H. Pin 13; RS 232 Out The KLN 90B outputs data in RS 232 format on this pin. It can be used to interface with certain types of ELT’s, fuel sensors, and moving map displays, and fuel management systems. For specific label information, refer to Appendix A. I. Pin 14; WPT ALERT Pin 14 is the Waypoint Alert annunciator output. This output is tied to a remote annunciator lamp. When the line is pulled low the annunciator lamp will illuminate.
BENDIX/KING KLN 90B O. Pins 23 and 24; GPS 429 Transmitter outputs Pins 23 and 24 are the GPS ARINC 429 transmitter output port of the KLN 90B. For specific label information transmitted on this bus refer to Paragraph 1.3.1 in Section 1 of this manual. P. OBS Resolver Interface Pin 26; OBS Resolver Sine Pin 31; OBS Resolver Out Pin 37; OBS Resolver Cosine This interface is compatible with indicators that are electrically zeroed (EZ) at 300 degrees and indicators that are omni-ranged zero at 300 degrees.
BENDIX/KING U. Pin 34; Data Loader Out KLN 90B Pin 34 outputs Data Loader information in RS 232 format. It can be used to interface with a laptop IBM compatible PC to load the database. V. Pin 35; Data Loader In Pin 35 inputs Data Loader information in RS 232 format. It can be used to interface with a laptop IBM compatible PC to load the database. W. Pin 36; RS 232 In Pin 36 is the RS 232 input. If there is not an RS 232 input, i.e.
BENDIX/KING Page 2-8 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-1 KLN 90B CONNECTOR PIN FUNCTIONS Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-2 KLN 90B CRIMPING AND INSERTION/EXTRACTION TOOLS Rev 5, April/2003 10521I05.
BENDIX/KING Page 2-12 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-3 KLN 90B INSTALLATION DRAWING (DWG. NO. 155-05818-0000 R-AB) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-4 KA 91 OUTLINE (DWG. NO. 071-01545-0200 R-4) Rev 5, April/2003 10521I05.
BENDIX/KING Page 2-16 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-5 KA 91 INSTALLATION DRAWING (DWG. NO. 155-05999-0000 R-5) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-6 KA 91 BACKPLATE OUTLINE (DWG. NO. 047-10130-0000/0002 R-2) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-7 KA 92 OUTLINE DRAWING (DWG. NO. 071-01553-0200 R-AB) Rev 5, April/2003 10521I05.
BENDIX/KING Page 2-22 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-8 KA 92 INSTALLATION DRAWING (DWG. NO. 155-06019-0000 R-2) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-9 KA 92 BACKPLATE OUTLINE (DWG. NO. 047-10735-0000/0002 R-1) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-10 KA 91/92 TNC ANTENNA COAX/CONNECTOR ASSEMBLY RG142B/U OR RG400 0 TO 40 FT. (P/N 030-00134-0000, R-3 / 030-00134-0001, R-0) Rev 5, April/2003 10521I05.
BENDIX/KING Page 2-28 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-11 KA 91/92 BMA ANTENNA COAX/CONNECTOR ASSEMBLY (RG142 B/U OR RG400 0 TO 40 FT.) (DWG. NO. 030-00101-0002 R-9) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-12 KA 91/92 TNC ANTENNA COAX/CONNECTOR ASSEMBLY 0 TO 80 FT. / 0 TO 100 FT. (FOR CABLE P/N’S 024-00071-0000, R-0 / 024-00072-0000, R-0) Rev 5, April/2003 10521I05.
BENDIX/KING Page 2-32 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-13 KA 33 P/N 071-4037-00/01 FINAL ASSEMBLY (DWG. NO. 300-03256-0000, R-AA) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-14 KA 33 P/N 071-4037-00/01 OUTLINE AND MOUNTING (DWG. NO. 155-05574-0000, R-5) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-15 CUTLER-HAMMER SWITCH/ANNUNCIATOR MOUNTING Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-16 CUTLER-HAMMER SWITCH/ANNUNCIATOR INTERNAL SCHEMATIC (SHEET 1 OF 2) Rev 5, April/2003 10521I05.
BENDIX/KING Page 2-40 KLN 90B 10521I05.
BENDIX/KING KLN 90B FIGURE 2-16 CUTLER-HAMMER SWITCH/ANNUNCIATOR INTERNAL SCHEMATIC (SHEET 2 OF 2) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 1 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 2 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 3 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 4 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 5 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 6 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 7 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 8 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 9 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-17 KLN 90B INTERCONNECT DRAWING (DWG. NO. 155-06021-0000, R-AC) (SHEET 10 OF 10) Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B FIGURE 2-18 KLN 90B DATALOADER/PC INTERFACE DRAWING Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B 2.4 POST INSTALLATION CHECK OUT INFORMATION 2.4.1 KLN 90B RESOLVER CALIBRATION METHOD The KLN 90B supports both 400 Hz and 30 Hz resolvers. However, to assure maximum accuracy, the KLN 90B will need to be calibrated so that it will work with either type. The following is a procedure for calibrating the resolver in the KLN 90B. 1. With the unit off, press and hold the left cursor button. 2. Turn the unit on, continuing to hold the left cursor button for at least 8 seconds. 3.
BENDIX/KING KLN 90B The second part of this procedure deals with an installation in which some or all of the electrical signal I/O have been utilized. This second section is divided in such a way that each input or output signal is treated separately, and hence only those subsections that apply to a given installation will be conducted.
BENDIX/KING KLN 90B 1. The 12th and 13th harmonics of the above mentioned frequencies can be radiated from the VHF COMM at a level strong enough to be a problem to the GPS but still be well low enough to meet TSO requirements for the VHF COMM. If the interference is from the radiating VHF COMM, an optional notch filter (i.e. the KA 198 P/N 071-01565-0000 or TED Mfg 4-70-54) will need to be installed. The recommended location for the inline filter should be as close to the VHF RT as practical.
BENDIX/KING KLN 90B OBS knob. Verify that the selected course value displayed on the Mode Page 2 tracks the new value selected. In the OBS mode with the GPS displayed on the CDI/HSI, the resolver is disconnected from the NAV converter. Verify that the KNS 80 or 81 groundspeed is still functional and the Radial display for the KX 165 or KNS 81 is still functional. These units must have jumpers or resistors across them when the resolver is removed.
BENDIX/KING 2.4.4.9 KLN 90B External Annunciators Recycle the power on the KLN 90B which will cause the Self Test Page to be displayed. Verify that all external annunciators are energized. Cycle the KLN 90B display past all initialization pages. Verify all external annunciators are extinguished. If the message light comes on, view the Message Page to verify that there is a message.
BENDIX/KING 2.4.4.14 KLN 90B Roll Steering Interface Roll Steering is dependent on ground speed to calculate and cannot be displayed on the ground in the Nav mode. However the KLN 90B will test the roll steering while on the system test page and activate all the outputs. The Roll Steering will be valid and active until you approve the page. While on this page you can engage the flight director and observe the command bars change from 0 degrees to 5 degrees right and back to 0 degrees.
BENDIX/KING KLN 90B SECTION III OPERATION 3.1 GENERAL INFORMATION For an explanation of the operating controls of the KLN 90B GPS RNAV refer to the KLN 90B pilots guide (P/N 006-08773-0000) or the aircraft’s flight manual supplement. Rev 5, April/2003 10521I05.
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BENDIX/KING KLN 90B APPENDIX A RS-232 FORMAT DEFINITIONS Rev 5, April/2003 10521I05.
BENDIX/KING KLN 90B THIS PAGE RESERVED Page A-2 10521I05.
BENDIX/KING KLN 90B 1.0 RS-232 The RS-232 interface will have the following characteristics: Electrical per EIA RS232C 9600 baudrate, 8 bits, 1 start bit, 1 stop bit, no parity MARK is a logical 1 (one) and SPACE is a logical 0 (zero) START bit begins as MARK, goes to SPACE The order of transmission within each data byte shall be : START bit Data bit 0 (lsb) Data bit 1 Data bit 2 Data bit 3 Data bit 4 Data bit 5 Data bit 6 Data bit 7 (msb) STOP bit 1.
BENDIX/KING KLN 90B fuel data I < Fuel Sensor RS-232 ELT and/or moving map and/or PC navigation data O > self-test data Fuel data and air data I < Fuel Sensor > Air Data RS-232 O navigation data > self-test data > ELT and/or moving map and/or PC Fuel data and air data I < RS-232 Fuel Sensor navigation data > O self-test data Air Data Fuel data I < Fuel Sensor RS-232 O 1.1.
BENDIX/KING KLN 90B 1.2 RS-232 OUTPUTS 1.2.1 NAVIGATION AND SELF-TEST DATA RS-232 data will be output with the following format: ...
BENDIX/KING KLN 90B l dddddd 6 distance to destination dddddd=nm * 10 GPS discretes a=W for waypoint alert, T for in turn, dashed otherwise b=N for new message, P for persistent message, dash if not c=E for en route, T for terminal, R for approach arm, A for approach active D=L for leg mode, D for direct to, O for OBS mode, or T for OBS to leg transition e=T for TO, F for FROM, dashed if NAV flagged f, g, h, i, and j=all dashed, reserved for future use t abcdefghij 10 u w (described later in this
BENDIX/KING KLN 90B Self-test Data The following ASCII format is used for self-test data: abcdeeeeffffgggghhhhiiiijjjj : 28 bytes where Bit Message Description a0 DB missing or DB Checksum Error a1 Battery Low : Service required to prevent loss of user data a2 User data lost a3 No RCVR data a4 No RS-232 Data a5 RS-232 Data Error a6 RS-232 Output Error a7 1 b0 Data Loader Error b1 ARINC 429 Output Fail b2 EFIS RCVR Failure b3 RDRG RCVR Failure b4 Air Data Fail b5 WPT Annunciato
BENDIX/KING hhhh KLN 90B IC designator in case of RAM failure iiii IC designator in case of EPROM failure jjjj IC designator in case of NV RAM failure Flight Plan Data Item designator, sequence number, waypoint identifier, latitude/ longitude, and magnetic variation of each waypoint defined in the active flight plan are transmitted with the following format: No information shall be transmitted for waypoints beyond a fence in a flight plan when the active waypoint is before the fence.
BENDIX/KING KLN 90B s = 0 North latitude s = 1 South latitude x = Undefined ddddddd = Latitude degrees mmmmmm = Latitude minutes hhhhhhh = Latitude hundredths of minutes NOTE A value of 7FH in byte 7 indicates that latitude and longitude are not presently available and bytes 7 through 13 should be ignored.
BENDIX/KING KLN 90B 1.3 RS-232 INPUTS 1.3.1 FUEL/AIR DATA INPUT One of the following 4 ASCII formats shall be transmitted. Any data which is not valid shall be indicated by dashes (ASCII 2DH). Format A A 13 byte ASCII string shall be transmitted per the following format: Byte Data 1 STX (ASCII code 02H) 2 Unit of measure G = .1 gallon I = .1 imperial gallon L = 1 liter K = 1 kilogram B = 1 pound 3-6 Fuel Remaining ASCII-coded decimal format, LSB first.
BENDIX/KING KLN 90B ASCII-coded decimal format (least significant digit is tenths), LSB first. Example: A fuel remaining value of 543.2 would be sent as "2.3450" (32H, 2EH, 33H, 34H, 35H, 30H). 9 Total Fuel Remaining Checksum Break each decimal value into its BCD representation. Using BCD arithmetic, sum the 4 BCD values and convert the low-order BCD digit to an ASCII coded numeric digit. Example: The checksum for a value of 543.2 would be "4" (34H).
BENDIX/KING KLN 90B Byte Data 52-54 indicated airspeed (IAS, knots) ASCII-coded decimal format (least significant digit is units), LSB first. Example: An IAS of 298 knots would be sent as "892" (38H, 39H, 32H). 55 indicated airspeed checksum Break each decimal value into its BCD representation. Using BCD arithmetic, add the three BCD values and convert the low-order BCD digit to an ASCII-coded numeric digit. Example: Checksum for "892" would be "9" (39H).
BENDIX/KING 93 KLN 90B drift checksum sum for drift bytes, excluding the direction character. Example: The sum for "41L" would be "5" (35H). 94-98 rate of change of PALT (feet/minute) ASCII-coded decimal format with a sign character. Example: A PALT rate of change of -210 ft/min (descent), would be "0120-" (30H, 31H, 32H, 30H, 2DH). 99 rate of change of PALT checksum Sum for PALT rate of change bytes, excluding the sign character, as for PALT.
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BENDIX/KING KLN 90B APPENDIX B Includes the following: KLN 90B SUPPLEMENTAL PROCEDURES MANUAL KLN 90B AIRPLANE FLIGHT MANUAL SUPPLEMENT KLN 90B SUPPLEMENTAL TYPE CERTIFICATE Rev 5, April/2003 10521I05.
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BENDIX/KING KLN 90B APPENDIX C GPS FAULT/ERROR CODES AND MESSAGES Rev 5, April/2003 10521I05.
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BENDIX/KING KLN 90B KLN 90B GPS FAULT/ERROR CODES, MESSAGES(FROM INSTALLATION BULLETIN 410) The following tables contain some helpful information to aid in the troubleshooting of the KLN 90B GPS. When the GPS display or the personal computer monitor indicates a GPS Rec. Error Code, GPS Page Message, or Data Loader Error Message, refer to the tables for an explanation and suggested action. The column headings are: Error Code or Message - the displayed fault indication seen by the user.
BENDIX/KING Page C-4 KLN 90B GPS Rec. error Codes Definition Suggested Action RCVR Hardware Error: 0010 RF Failure: This means the receiver is not sensing a proper RF signal from the satellites/antenna. It could be one of the following, in the order of probability: 1. Coax open or shorted. Confirm the 5 volts at the antenna end. 2. Bad antenna. Substitute the antenna, or inject a signal at the coax. 3. Bad Receiver Module in GPS. Substitute the GPS unit, or inject a signal at the input.
BENDIX/KING KLN 90B GPS Rec. error Codes Definition Suggested Action RCVR Hardware Error: 1000 RS-232 Channel 2 Failure: The second RS-232 UART on the receiver failed the loop-back test. This self-test can only be enabled during test mode on the receiver, and should not be seen in normal operation. It could be one of the following, in the order of probability: 1. The receiver was put in test mode without looping back the two serial ports. 2. Bad ASIC or Microprocessor on the Receiver Board.
BENDIX/KING KLN 90B GPS Page/Laptop Messages Page C-6 GPS Message Definition Suggested Action Altitude Fail Indicates a missing or erroneous altitude. ⋅ The altitude input on the gray code input from the encoder is wrong. ⋅ The GPS is configured for IFR, and there is no altitude source available. The altitude from the encoder may be in error due to a miswire or the absence of isolation diodes between the encoder and the transponder. If the GPS is configured for IFR, it must have a valid altitude.
BENDIX/KING KLN 90B GPS Page/Laptop Messages Definition Suggested Action RAIM not available Cross check position This means there are not enough satellites available to compute integrity (RAIM). 1. The satellites are blocked from view by obstructions. 2. They are too low on the horizon for use, or too high for adequate geometry. 3. There is a loss of sensitivity in the antenna, the coax, or the Receiver Module.
BENDIX/KING KLN 90B GPS Page/Laptop Messages GPS Message Definition No RS-232 Data There is no RS-232 data The Air Data/Fuel Flow source is not providing RS at the RS-232 input 232 data to the GPS. port. If no source of RS-232 is interfaced, the receiver input must be jumpered back to the RS-232 output on KLN 89/89Bs and KLN 90/90A/90Bs. If no source of RS-232 is interfaced to a KLN 900, the configuration may be set up wrong.
BENDIX/KING KLN 90B Data Loader Error Messages Data Loader Error Messages Definition Suggested Action Loader Not Ready This indicates that the computer and the GPS are not making a connection with each other. Check sum error 1. Since the database is not a DOS program, it is not compatible with WINDOWS. It is necessary to boot the computer from the diskettes, and not allow WINDOWS to ever start. 2. Some computers do not have the Com Ports enabled until WINDOWS is running.
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BENDIX/KING KLN 90B TSO APPENDIX RTCA DO-160C ENVIRONMENTAL QUALIFICATION FORMS Rev 5, April/2003 10521I05.
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