SL70 Installation Manual
Contents
1. 500mA typical 1 4 max at 14VDC 270mA typical 660mA max at 28VDC Input POW SE iii 7 watts typical 8 pulse reply 200 replies second 20 watts max 12 pulse reply 1200 replies second 5 8 watts standby Internal isernia 3 amp slow blow Garmin AT 5172 0007 012 Memory Dae kou dere VR MONA Internal EEPROM PHYSICAL ie 1 30 inches 3 30 cm 6 25 inches 15 88 cm Depliant 11 452 inches 29 09cm behind panel including mounting frame and connectors Weight with mounting frame 2 64 Ib 1 2 kg Required clearance Allow one inch behind unit for connector and cable clearance Mounting Holes 8x i To 0 219 x E D H 0 862 1 300 Puce 6 250 i XPDR APOLLO 5170 a Figure 7 Unit Dimensions Apollo SL70 Installation Manual 17 Specifications ENVIRONMENTAL The Apollo SL70 is designed and tested to meet appropriate categories of RTCA DO 160D The Environmental Qualification Form is included in Appendix Operating temperature 20 C to 55 C Storage Temperature ria 55 C to 85 C Temperature 2 C per minute 95 at 50 for 6 hours 2 day cycle Maximum altitude sess 25 000 feet iau No2. Standby On Altitude VFR Altitude Large Outer On Select Hold Knob Fower Ident Mode Select Figure 1 SL70 Front Panel FEATURES e smallsize 1 3 panel height e full range input supply voltage e high brightness LED display e altitude display e altitude hold function e gray code or RS 232 serial data altitude input e RS 232 altitude data output e built in self test and diagnostics REGULATORY COMPLIANCE The Apollo SL70 is designed and tested to meet the following TSO JTSO e FAA TSO C74c Class A2 JTSO C74c Class 2A The SL70 complies with the FCC requirements specified in e CFR 47 Part 87 Aviation Services Subpart D Technical Requirements The SL70 software is designed and tested to RTCA DO 178B level C ED 12B level C Note Un authorized changes or modifications to the SL70 may void the compliance to regulatory agency requirements and authorization for continued equipment usage 2 Apollo SL70 Installation Manual Introduction UNPACKING THE EQUIPMENT Carefully unpack the equipment Visually inspect the package contents for any evidence of shipping damage Retain all shipping containers and packaging material in case reshipment is necessary PACKAGE CONTENTS As shipped from the Garmin AT factory the Apollo SL70 package includes most necessary items for installation other than supplies normally available at the installation shop such as wire and coax cable the antenna or any optional sw
3. ee ee hai ees 5 ANTENNA iaia Rai nai Ra AA aaa 6 EQUIPMENT MOUNTING bees ARR LO ag 6 UNIT INSTALLATION REMOVAL i 7 BEECTRICAE CONNEGLEIONS 2 45 66 He EG RC DR po e RI 7 POWER a E 8 ALTITUDE INPUT insonni lisina ans no DI nene gre i eii iine 8 SERIAE NTEREAGB 5 an e ID his es tals Iain Maie mi este M 8 DISCRETE INPUTS rne nn altes ti e e be ve eter tUe hee ee eet tab teet is 8 ANTENNA INSTALLATION AND CONNECTIONS verrei 9 POST INSTALLATION CHECK OUT ina eben dte e a RN eod 12 TEST MODE CHECKOUT AND SETUP 5 ere ce alii ai cis eee ck AERE Peace pus 12 OPERATION PERFORMANCE CHECKOUT ei 13 INSTRUCTIONS FOR CONTINUED AIRWORTHINESS ccccesssssscecesececeesesssecececccsesessnnsseeeseceeseeeneaaees 15 SECTION SPECIFICATIONS siscsssscsosssccsciccssvnsontdadccccessonsenssdectessesusstcedisessssesedsccud esvessssseeses 17 ELECTRICA Snia 17 PHYSICAL tt somete tea eme dex tea remet etr eme im ue emt reds e 17 ENVIRONMENTAL een 18 ATTITUDE OR e na cave E T E 18 DISCRETE INPUTS arte ai e T erepto 18 DISCRETE OUTPUIS vor eerte idee ee teet e e RES 18 SERIAL netta etie entendi o e IE IS 18 TRANSPONDER PERFORMANCE esee iii 19 ANTENNA REQUIREMENTS tereti ethic di hac nda venta bas lioe 19 SECTION 4 L
4. ANTENNA REQUIREMENTS Specifications TSO C74c Class A2 JTSO C74c Class 2A none required 1030 MHz 72 dBm gt 50 dB 2 pulse P1 P2 1090 MHz 120 kHz 250 watts minimum 325 watts typical 1200 second 4096 codes plus SPI ident pulse 1000 to 63 000 feet 100 foot increments from either gray code or RS 232 serial inputs Apollo SL70 Installation Manual The SL70 requires a standard transponder quarter wave monopole antenna such as the TED 104 12 or Comant CI 101 and should be approved to TSO C74c or JTSO C74c 19 Specifications Table 2 Rear Connector Pinout 3 O Serialground RS 232 serial ground i y O 5 o TDi RS232 serial data output 6 O Reserved OO 7 O Reserved 8 1 Reserved y I Reseved e 1 JNC no connection y o Hold Anmunciator __________ L7 es mot eso im grues a no connection _ 22 o TXD2 O RS 232 Serial Data Output Duplicates TxDI Data 23 lt NC fnoconneetion 24 Ground 2 i O 25 I Reserved 26 I Reserved 27 Ground 28 Gum 2 L29 1 Bay iremotestandyinput groundforstandby ona NT _ __ __i 32 I B4 j Bdal tudegraycodeinpt 36 Reserved 37 7N NC dane S 19 gi A CN Viewed from rear of unit Note Buffered serial d
5. 70 will reset after approximately 1 second ALTITUDE The altitude input function is intended to interface with serial altitude encoders The altitude source is selected during installation and must be set to Serial for this message to be processed Once selected the SL70 must receive a valid message at least once every 2 seconds or the altitude will time out and become invalid until the next valid message is received Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Buffer Length 17 bytes Altitude Format Specification Table 16 Altitude Message Format ASCII 0x23 Temperature sign ASCII 0x2B or 0x2D Apollo SL70 Installation Manual 37 Serial Interface Specification Altitude Format Specification Examples AL 02100T 25D4 2100 feet above sea level 29 92 inches Hg with temperature 25 C AL 00045T 45DE 45 feet below sea level 29 29 inches Hg with temperature 45 C AL 09980T 12E6 ERROR CODE temp below 25 C with temperature 12 C Altitude Error Codes The altitude encoder converter may place an error code in bytes 4 9 Here is a list of the possible codes e 09980 Heater Not Ready The encoder issues this code while the unit is in the warm up phase e 09981 Possible Hardware Problem The converter issues this code if the temperature of the internal heater is greater then 55 C indicating a possible hardware prob
6. If the gray code inputs are used altitude check all connections from the altitude source and or verify the altitude source If the serial altitude input is used check for the correct baud rate and connections to the altitude source The altitude display is The unit is not getting an altitude or Check the connections to the altitude the altitude is invalid source Check the altitude source to make sure it is operating correctly The unit fails the start up TX fails Check antenna connections May self test have an open a short or a bad VSWR factory for assistance The unit does not generate The unit is in standby replies Alt modes to generate replies The unit is not receiving interrogation Check the antenna connections If the signals unit does not Fail the receive test then check antenna connections No interrogation signal available Need to either use a ramp test set or climb to altitude where ATC radar service is available If the SL70 displays a Test Fail message when turned on the test status and source of the failure can be displayed by rotating the SMALL knob If the source is either a transmit or receive failure the unit will not operate If the source is any other item the unit should continue to operate press any of the mode buttons but should be repaired Apollo SL70 Installation Manual 23 Limitations CONTACTING THE FACTORY FOR ASSISTANCE If the Apollo SL70 u
7. Installation Manual Serial Interface Specification Reply Count Format Specification Table 11 Reply Count Message Format lo ASCH 0 5 i T ASC OD gt Let asce 043 3 AS CH space 0x20 8 9 dd Checksumofbytes0through7 In hex ASCH ie FA Reply Count Format Specification Examples RC 1200D6 1200 replies per second CONFIGURATION MESSAGE This message provides a way to send configuration information C1 contains the software version numbers for the microcontroller and FPGA Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Output Rate Upon Request Buffer Length 16 bytes Software Version Format Specification Table 12 Configuration 1 Message Format _ MMEEI i B o i Le asce 0x8 2 ascot 03 0 0 0 0 0 0 0 3 ASCH spaces 0x20 45 dd Micro SW major revision number 6 Jd Micro SW minor revisionnumber 7 SCI comma O psd FPGA major revisionnumber 9 FPGA minor revision number 13 14 dd Checksum of bytes 0 through 8 In hex ASCH i e FA Apollo SL70 Installation Manual 35 Serial Interface Specification Configuration 1 Example C1 010 10C 93 Micro SW Version 010 FPGA SW version 1 0 Mode A C Transponder SYSTEM STATUS The system status message contains the 14 bits of status information as defined below in Table 13 When a bit
8. Regular duty Locator tool Heavy duty Crimp tool Heavy duty Locator tool Phone 503 642 9853 Fax 503 591 7766 Astro Tool part 615708 Astro Tool part 616356 Phone 714 261 5300 Fax 714 575 8324 ITT part 274 7006 000 Desc CIET 20HD ITT part 995 0001 585 Desc M22520 1 01 ITT part 995 0001 244 Desc TH25 ITT part 995 0001 584 Desc M22520 2 01 ITT part 995 0001 604 Desc M22520 2 08 Apollo SL70 Installation Manual Installation SECTION 2 INSTALLATION This section describes the installation of the Apollo SL70 including mounting wiring and connections A post installation check out procedure is included at the end of this section PRE INSTALLATION INFORMATION Always follow good avionics installation practices per FAA Advisory Circulars AC 43 13 1B 43 13 2A or current FAA guidance Follow the installation procedure in this section as it is presented for a successful installation Read the entire section before beginning the procedure Perform the post installation check out before closing the work area in case problems occur INSTALLATION OVERVIEW A successful installation should start with careful planning including determination of mounting location for the SL70 antenna location and mounting connections to an altitude data source power cable routing and other required modifications Once the mounting location has been determined prepare the mounting frame for installation It may be
9. identified as Category X no test required cing Equipment identified as Category X no test required Electrostatic Discharge ESD Equipment tested to Category A Remarks TSO requirements do not require emission testing above 1 2GHz Intentional radiators at the second harmonic 2 18GHz and at the fourth harmonic 4 36GHz may be above the limits as specified by DO 160D The SL70R meets all of the environmental qualification requirements of TSO C74c it was qualified to and met the higher DO 160D standard with the exception as indicated above 3 Power Input 16 0 Equipment tested to Categories A 28volt systems amp B 14 and 28 volt systems Voltage Spike 17 0 Equipment tested to Category A 0 Apollo 51 70 Installation Manual 27 Environmental Qualification Form NOTES 28 Apollo SL70 Installation Manual Accessories APPENDIX D ACCESSORIES This appendix includes information on accessory items available for the Apollo SL70 Refer to the information that is provided with those items for complete specifications and installation instructions FROM GARMIN AT INTERNAL FUSE Garmin AT Inc Part S172 0007 012 D eSCtIpLOD o scri nori 3 amp slow blow fuse Apollo SL70 Installation Manual 29 Accessories NOTES 30 Apollo SL70 Installation Manual Serial Interface Specification APPENDIX E SERIAL INTERFACE SPECIFICATION HOST INTERFACE The SL70 communicates with a host unit such as a
10. is set the particular item is functioning properly Table 13 Self Test Bit Definition 0 3 3 Volt Power Supply 1 S Volt Power Supply 2 8 Volt Power Supply 12 Volt Power Supply Input Voltage 9 Transmitter Temperature Photo Cell Receiver Test Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Output Rate At Start up and continuously upon fail condition at 1 second intervals Buffer Length 11 bytes System Status Format Specification Table 14 Software Version Message Format 0 0 0 ASC xs 0 0 0 0 0 Goo SCS 53 5 0 0 2o o 0 9 SCS 0x53 0 0 0 ASCH spaces 020 dddd Status Data Hex ASCII dd Checksum of bytes 0 through 8 In Hex ASCII i e ASCII carriage return 0x0D 36 Apollo SL70 Installation Manual Serial Interface Specification System Status Message Example ASS FFFF3C no failures SS FFFE3B 3 3 volt supply failure INPUT MESSAGES The following messages are processed during normal operation These messages will take precedence over front panel selections The AL and SW messages are also processed during setup and test modes Table 15 Input Messages Msg ID Altitude Message Must be selected in set up mode or it will be ignored Set Mode Message Set mode A C or STBY IDENT and squawk code Request Software Version SL70 replies with Software Version Message RS 51
11. the limit 4 altitude hold active or inactive This message is output in both normal and test modes Apollo SL70 Installation Manual 33 Serial Interface Specification Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Output Rate Approx 1 sec when EXT extended messages are selected Buffer Length 17 bytes Alt Hold Format Specification Table 9 Mode Message Format o ASC xSE i L A Aasna 0 4 gt ASCH 0x8 Bo ASCH space 0x20 400s See Table 10 Alt Hold State Table Altitude sign ASCII or 0x2B or 0x2D pu ASCH comma 0x2C 12 13 dd Altitude Limit in 100 s feet 2 00 gt 2500 14 15 dd Checksum of bytes 0 through 13 In hex ASCII i e FA Table 10 Alt Hold State Table O Ox 4F Outside of Limit 0x49 Inside or at Limit ess T 0x2D Hold Inactive or Altitude not valid Alt Hold Example AH 1 00600 0300 hold alt is 600 ft limit is 300 ft and currently inside of limit AH 0 60900 030F hold alt is 60 900ft limit is 300 ft and currently outside of limit REPLY COUNT The reply count message indicates the number of replies per second that are being sent Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Output Rate Approx 1 sec when EXT extended messages are selected Buffer Length 11 bytes 34 Apollo SL70
12. ABLE 10 ALT HOLD STATE TABLE nette se ertet tet sse ec b reis etica Te ia 34 TABLE 11 REPLY COUNT MESSAGE FORMAT 35 TABLE 12 CONFIGURATION 1 MESSAGE FORMAT i 35 TABLE 13 SELF TEST BIT DEFINITION e enne enne neret ennt 36 TABLE 14 SOFTWARE VERSION MESSAGE 36 TABLE 15 INPUT MESSAGES nocem e aa Ea E aA PESETA 37 TABLE 16 ALTITUDE MESSAGE FORMAT e eese e nennen rennen seen enne tenen nene ee nennen 37 TABLE 17 MODE MESSAGE FORMAT rie 39 TABLE t8 MODE TABLE pih iind o eto ire toit br ette 39 ii Apollo SL70 Installation Manual Table of Contents TABLE V9 SIDENT TABOE ee ina es Ts EC 39 TABLE 20 SOFTWARE VERSION MESSAGE FORMAT ei 40 TABLE RESET MESSAGE FORMA os rio 40 LIST OF FIGURES FIGURE SETO FRONT PANEL ille eta laine ail 2 FIGURE 2 MOUNTING FRAME ASSEMBLY Lee 6 EIGURE 3 CABLE ROUTING 2 3 echte trei iei ea ae tear e ede de ade 7 FIGURE 4 COAX CABLE ASSEMBLY eene eene nenne en mener tenente terni nenne e ense tete se seen 9 FIGURE 5 WIRING DIAGRAM GRAY CODE ALTITUDE INPUT iii 10 FIGURE 6 WIRING DIAGRAM SERIAL ALTITUDE INPUT eee 11 FIGURE 7 UNITADIMENSIONS e eate ape ted aite EN 17 Apollo SL70 Installation Man
13. Apollo Mode A C Transponder Model SL70 Installation Manual GARMIN 560 0402 0la lt September 2003 2003 Garmin AT Inc All rights reserved Printed in the U S A No part of this document may be transmitted reproduced or copied in any form or by any means without the prior written consent of Garmin AT Inc Due to our commitment to constantly improve the quality and performance of our products information contained in this document is subject to change without notice Garmin AT Inc and Apollo are registered trademarks of Garmin AT Inc Garmin AT Inc 2345 Turner Rd SE P O Box 13549 Salem OR 97302 Salem OR 97309 U S A Phone 503 581 8101 800 525 6726 In Canada 800 654 3415 Fax 503 364 2138 HISTORY OF REVISIONS 8 26 99 00a 9 23 99 Added new connector pins and crimping tools 01 4 3 03 Updated to reflect new software hardware features including remote operation new serial I O messages addition transmit serial port and altitude hold annunciator output Added TSO requirements to Environmental Qualification Form Ola 9 10 03 Changed UPSAT logo and references to Garmin logo Also added JTSO information IMPORTANT NOTE The conditions and tests required for TSO approval of this article are minimum performance standards It is the responsibility of those desiring to install this article on or within a specific type or class of aircraft to determine that the aircraft operating conditions
14. DE MESSAGE Bene idee eti ettet aa ete oderat 32 JADELTUDE EH ORD 25 5 4o i otto to n Mo ela ADS Poldi dai cassino gn EDI IS A MIS E 33 REPLY COUNT AG qnit tete nni of nd ttr Galion Donat al dbl Totem asit 34 CONFIGURATION MESSAGE enint bant a reci e get need o hit daira maine ie tae 35 SYSTEM S TATUS reto e em tete use er e eoe eed tete Licata EE ERE ees 36 INPUT MESSAGES sea te eee E eret EE 37 AERTUDE x ndun detenti eon ea Ret ee es enmt et exe aee ap tette ee tertie bs 37 MODE ED 38 SOFTWARE VERSION ette ettet Ee Ee ehe Ee Ode 39 iig PP 40 LIST OF TABLES TABLET PACKAGE CONTENTS 15 inea deste Red e Qu e eda e e prede de teer ie 3 TABLE 2 REAR CONNECTOR PINOUT c ccccccsccscssssssccccssecccsesssssceeeescesesessseaeessecseeseensaseeeseceeseseees 20 TABLE 3 TROUBLESHOOTING GUIDE cccccccccccccesssssceceseccesesesssseceeesceseeenssseseeesecsesesenssaeeeeeseeseneees 23 FABLE4 OUTPUT MESSAGES tuts tide op pavet ea 31 TABLE 5 ALTITUDE MESSAGE FORMAT 32 TABLE 6 MODE MESSAGE FORMAT ii 33 TABLE 7 MODE ette te be e e M TERR HOW p 33 TABLE S TABLE mun ttes o dieere 33 TABLE 9 MODE MESSAGE FORMAT i 34 T
15. IMITATIONS andre co 21 INSTEAEEATION G anice tati 21 OPERATIONAE2 iiie tis aLaaa iii 21 APPENDIX A TROUBLESHOOTING eee ee eren ee ee eee eese et to eee e tette eee teneo e 23 Apollo SL70 Installation Manual i Table of Contents CONTACTING THE FACTORY FOR ASSISTANCE iii 24 APPENDIX B PERIODIC MAINTENANCE csssssssssscsssssssscsccccsscsssssscscccscssssssssccsoesees 25 BIENNIAT C HECK 735 7 os orc thd alot Rana bats De NERS ra ar 25 CLEANING THE FRONT dete dato 25 APPENDIX C ENVIRONMENTAL QUALIFICATIONS 27 APPENDIX D eeteeosreeve see ee eee evkev esu re eese s en eee anao kae sb ex ka pura abe ee e re one eske 29 EROM GARMIN A T tia 29 INTERNAL FUSE ain n 29 APPENDIX E SERIAL INTERFACE SPECIFICATION eere eene neenon nonas eene 31 HOST INTERFAGE ll sehe der tee ee to ee test 31 BAUD Sn tect lot ete teet t M n t n d ME IM E oae 31 COMMUNICATIONS brina Bastia ntis aste iaia dt ueste 31 MESSAGE DEFINITIONS le be 31 QUIPUEMESSAGES e eas satio 31 KR 31 MO
16. IRONMENTAL QUALIFICATIONS The Apollo SL70 has been tested to the following environmental categories per procedures defined in RTCA DO 160D Environmental Qualification Form Nomenclature Apollo SL70 Manufacturer Part No 430 6090 xxx Garmin AT Inc TSO No TSO C74c 2345 Turner Road SE Salem Oregon 97302 Description of Conducted Tests Temperature and Altitude Equipment tested to Category B1 with In flight Loss of Cooling i No cooling required Altitude 6 Equipment tested to 25 000 feet Decompression Equipment tested for decompression to 25 000 feet Overpressure 6 Equipment tested for overpressure Temperature Variation 5 Equipment tested to Category C 2 C min 4 Equipment tested to Category A standard humidity environment Operational Shocks and Crash Safety Equipment tested for both operational and crash safety shocks Equipment operates normally after both the crash safety shocks Vibration Equipment tested without shock mounts to Categories BN 90 Equipment identified as Category X no test required 10 0 Equipment identified as Category X no test required Explosion Proofness Waterproofness 10 0 Fluids Susceptibility Sand and Dust Fungus Resistance Salt Spray Magnetic Effect Audio Frequency Conducted 18 0 Equipment tested to Categories A amp B Susceptibility Power Inputs 0 nduced Signal Susceptibility Radiated and Conducted Energy Susceptibility Lightning Direct Effects Equipment
17. Input 10 Apollo SL70 Installation Manual Installation SL70 Transponder 2A Breaker fewer d Avionics Ground 2 Power Altitude Hold 18 To External Indicator Men Optional Note 4 15 C2 34 C1 16 B4 32 B2 14 B1 33 A4 12 A2 31 1 13 04 35 Ground 30 Te Remote Ident 10 O 0 Ident Standby 29 Note 2 Optional Optional Suppress 19 Note 3 Optional Ground 37 Suppress return Altitude TxD2 22 Encoder or TxDI 5 RS 232 Serial Altitude Input Serializer RxD1 4 TxD Ground 3 1 Ground Shielded Cable Chassis Ground Chassis Ground Coax Cable To Antenna Notes 1 Select altitude input in the setup mode when using RS 232 serial altitude input 2 Use standby input to select between two transponders using a selector switch Unit is in standby when input switched to ground 3 Suppression input typically connected to DME suppression output Transponder is suppressed when input is high 4 Altitude hold annunciator output is active grounded when a preselected hold altitude is exceeded Figure 6 Wiring Diagram Serial Altitude Input Apollo SL70 Installation Manual 11 Installation POST INSTALLATION CHECKOUT Once the unit is installed complete the checkout procedure to verify proper operation Refer to
18. are within TSO standards The article may be installed only if further evaluation by the applicant documents an acceptable installation and is approved by the Administrator ORDERING INFORMATION To receive additional copies of this publication order part 560 0402 xx Apollo SL70 Mode A C Transponder Installation Manual REFERENCE PUBLICATIONS NOTES Table of Contents TABLE OF CONTENTS SECTION 1 INTRODUCTION sciscsssonissdsssessivssenseccccesteskssensescecsetsescdandesccdeesssssuselesdecsessessvensssies 1 ABOUT E HISAVEANU AE eer ede E eR 1 APOLLO SL70 DESCRIPTION Lella 1 BEATURES 225 3 5 S E 2 COMPLIANCE adero eret e bdo eo E ETE 2 UNPACKING THE EQUIPMENT 221 ir es etes iere ibd ae nai 3 PACKAGE CONTENTS oasis setis ee e t delia 3 OTHER REQUIRED MATERIALS ect aiee UD edu educ edunt gue hae hha 3 SPECIAL TOOLS REQUIRED strada eredi 4 SECTION 2 1 ee eo ee eoo nno n ne err ien no naue oon en To ooo ne 5 PRE INSTALLATION INFORMATION iii 5 INSTAELATION OVERVIEW lisi ilaele aaa EDS EE 5 INSTALLATION CONSIDERATIONS are a 5 MOUNTING CONSIDERATIONS lia ede ture te er oer Eo 5 MINIMUM SYSTEM e E e Ee 5 ADTITUDE INPUT aii
19. ata is output on pins 5 And 22 TxD1 and TxD2 The same data is output on both pins Note Second serial output pin 22 and Altitude Hold Annunciator not available prior to 430 6090 1xx Mod 20 Apollo SL70 Installation Manual Limitations SECTION 4 LIMITATIONS INSTALLATION Aircraft installation must be made in accordance with this installation manual and applicable FAA regulations and advisory circulars OPERATIONAL The SL70 must be operated within the limitations as follows or by other regulatory guidance as appropriate 1 The altitude reply data may be verified by comparing the pressure altitude display to the aircraft altimeter relative to a barometric setting of 29 92 2 The transponder is to be operated in compliance with CFR 14 section 91 215 for ATC transponder and altitude reporting equipment 3 The transponder must be tested as specified in CFR 14 section 91 413 within the previous 24 months Apollo SL70 Installation Manual 21 Limitations NOTES 22 Apollo SL70 Installation Manual Troubleshooting APPENDIX A TROUBLESHOOTING This appendix provides information to assist troubleshooting if problems occur after completing the installation Use Table 3 to assist in troubleshooting Table 3 Troubleshooting Guide The SL70 does not power on The unit is not getting power Check power connections breakers and main avionics switch The altitude is not correct The unit is not getting the correct
20. by a Verify that the unit goes to standby when the external standby input is pulled low b Verify that the ident LED turns on when the external ident button is pressed must be in the ON or ALT modes Performance Ramp Test After installation the transponder should be tested as specified in Appendix F of CFR 14 part 43 to AC 43 6A and or other appropriate regulations The test is typically done as a ramp test using a transponder ramp test set such as the IFR ATC 600A The ramp test includes checks as follows Reference part 43 Appendix F a reply frequency b suppression c receiver sensitivity d reply RF output power Reference AC 43 6A e altitude reporting Apollo SL70 Installation Manual 13 Installation APOLLO SL70 POST INSTALLATION CHECKOUT LOG CONFIGURATION INFORMATION Apollo SL70 430 6090 Mod __ Serial TEST MODE CHECKOUT AND SETUP Self Test Pass Fail Altitude source RS 232 baud rate Gray code GRAY VFR Code Serial RS 232 SER OPERATION PERFORMANCE CHECK Altitude data on display Performance verification Pass Pass External inputs Remote ident checked N A External standby N A COMMENTS 14 Apollo SL70 Installation Manual Installation INSTRUCTIONS FOR CONTINUED AIRWORTHINESS Modification of an aircraft for the installation of the SL70 obligates the aircraft operator to include the maintenance information
21. e SL70 in the mounting frame make sure the cam lock is rotated so the rear part is up then slide the unit into the frame and tighten with the 3 32 hex tool The unit will be pulled into the frame by the cam lock and the connectors will fully engage To remove the SL70 from the mounting frame use the hex tool and turn the tool CCW The unit will be pushed out of the frame by the cam lock assembly No special extraction tools are required ELECTRICAL CONNECTIONS The SL70 installation kit includes a 37 pin dsub shell and crimp contacts The crimp contacts are specified for 20 to 24 AWG wire Make the crimp connections with a crimp tool as specified in the Special Tools Required section on page 4 All wires should be 20 to 24 AWG unless otherwise specified Wiring diagrams are included on pages 10 and 11 Apollo SL70 Installation Manual 7 Installation POWER The SL70 is internally fused at 3 amps A separate 2 amp circuit breaker or fuse should be installed for downline overload or short circuit protection Make the power connections to the SL70 using 20 AWG wire Note Circuits should be protected in accordance with guidelines in AC 43 13 1B chapter 11 section 4 ALTITUDE INPUT The SL70 can use altitude data from either a standard gray code altitude or from an RS 232 serial altitude source If using the gray code altitude input connections can be made directly from the SL70 to the altitude source Isolation diodes are included wi
22. easier to complete the wiring harness and attach the connectors to the mounting frame prior to installing the mounting frame in the aircraft INSTALLATION CONSIDERATIONS MOUNTING CONSIDERATIONS The SL70 is designed to mount in the avionics stack in the aircraft instrument panel within easy view and reach of the pilot The standard package includes the mounting frame for ease of mounting connections and service of the unit Allow an additional one inch clearance to the rear of the mounting frame for connections and cables For typical installations the SL70 does not require external cooling When mounting the unit leave a clearance of 1 8 to 1 4 inch between avionics to allow for air circulation MINIMUM SYSTEM CONFIGURATION The SL70 requires connections to the following equipment as a minimum e power input e altitude data gray code or RS232 e a standard transponder antenna ALTITUDE INPUT The SL70 can use either a standard altitude gray code input from an encoding altimeter or an RS 232 input from a serial encoder For new installations a serial encoder is recommended because it simplifies the wiring and is more reliable The SL70 can detect failures on the RS 232 input thereby eliminating erroneous mode C altitude replies Apollo SL70 Installation Manual 5 Installation The altitude source must be accurate to within 125 feet 95 probability and have a resolution of 100 feet the serial input resolution may be better
23. ect the baud rate 1 In test mode rotate the LARGE knob to the SL70 CONF SL70 Configuration page then rotate the SMALL knob to the BAUD baud rate page 2 Press IDENT the baud rate field will start to flash rotate the SMALL knob to select the desired baud rate then press IDENT to save the selection The baud rates available are 1200 2400 4800 9600 and 19200 VFR Code Selection The VFR code used by the SL70 when pressing the VFR button can be selected as appropriate for the aircraft s operating area To change the VFR code 1 In test mode rotate the LARGE knob to the SL70 CONF SL70 Configuration page then rotate the SMALL knob to the VFR VFR code selection page 2 Press IDENT the first VFR code character will start to flash 12 Apollo SL70 Installation Manual Installation 3 Rotate the SMALL knob to change the character rotate the LARGE knob to move the cursor 4 Press IDENT to save the selection OPERATION PERFORMANCE CHECKOUT Self Test The SL70 includes a self test that is executed every time the unit is turned on that checks the receiver and transmitter operation as well as other internal functions Verify that the unit does not display a failure indication when turned on Altitude Input Verify that the displayed altitude matches the altimeter pressure altitude at 29 92 External Inputs If the external ident or standby inputs are connected verify operation
24. es a Solder cap into place 2 PI X Solder cap into place 2 Places SAR STEP 4 E Shrink tube as shown Figure 4 Coax Cable Assembly Apollo SL70 Installation Manual Installation SL70 Transponder Power Ground Altitude Hold C4 C2 C1 B4 B2 B1 A4 A2 Al D4 Ground Ident Standby Suppress Ground TxD2 TxDI RxDI Ground 18 15 34 16 32 14 33 12 31 13 35 30 10 29 19 37 22 2A Breaker d Avionics Power To External Indicator Optional Note 4 altitude Encoder or C2 Digitizer C1 B4 B2 B1 A4 A2 Al D4 Ground STE Remote O 9 Ident I Note 2 Optional Optional Note 3 Optional m Suppress return serial Altinude PESSOA Output Optional RxD i Ground Shielded Cable Chassis Ground Chassis Ground Coax Coble To Antenna Notes 1 Select the gray code input in the setup mode when using the parallel gray code altitude input 2 Use standby input to select between two transponders using a selector switch Unit is in standby when input switched to ground 3 Suppression input typically connected to DME suppression output Transponder is suppressed when input is high 4 Altitude hold annunciator output is active grounded when a preselected hold altitude is exceeded Figure 5 Wiring Diagram Gray Code Altitude
25. he software version be sent In response the SL70 will send the configuration message which includes the software versions Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Buffer Length 6 bytes Apollo SL70 Installation Manual 39 Serial Interface Specification Software Version Message Specification Table 20 Software Version Message Format OU ASCH 0x23 ASCII S 0x53 ASCI W 0x57 Checksum ASCII carriage return 0x0D RESET The reset message will cause the SL70 to reset It will take approximately 1 second for the unit to reset after receiving the message Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Buffer Length 6 bytes Reset Message Specification Table 21 Reset Message Format POU ASCH 0x23 ASCII R ____ 0x52 ASCII S 0x53 Checksum C8H ASCII carriage return 0x0D 40 Apollo SL70 Installation Manual Serial Interface Specification NOTES Apollo SL70 Installation Manual 41 Serial Interface Specification NOTES 42 Apollo SL70 Installation Manual ul GARMIN
26. itches The items included in the package are listed in Table 1 Table 1 Package Contents Apollo SL70 Transponder Part 3 430 6090 1xx Apollo SL70 Installation Kit Part 424 0306 xx 162 0103 or 37 pin D sub connector shell 162 1577 162 0043 Right angle coax plug 202 0001 204 0037 Edge grommet 221 0400 4 40 x 4 SS pan head Phillips machine screw with lock washer 224 0404 4 40 x flat head Phillips machine screw 240 0008 9 16 OD flat washer 245 0027 265 0007 310 2295 00 310 5181 00 998 0048 a e Apollo SL70 Manual Kit Part 564 0072 xx 560 0401 00 SL70 User s Manual 560 0402 00 SL70 Installation Manual OTHER REQUIRED MATERIALS In addition to the materials supplied with the SL70 the following is required e asuitable 2A circuit breaker e altitude data source either gray code or RS232 Apollo SL70 Installation Manual 3 Introduction e a standard transponder antenna see Antenna information on pages 6 and 19 SPECIAL TOOLS REQUIRED Crimp Tool A crimp tool meeting MIL specification M22520 1 01 and a positioner locater are required to ensure consistent reliable crimp contact connections for the rear 15 pin connector These tools are available from For pin p n 162 0100 Astro Tool Corp 21615 SW TV Highway Beaverton OR 97006 Crimp tool Positioner For pin p n 162 1575 ITT Cannon 1851 E Deere Ave Santa Ana CA 92705 6500 Insertion tool Regular duty Crimp tool
27. lem or the data received from the encoder is invalid indicating a possible encoder or wiring problem e 09982 Altitude Out of Range Both the encoder and converter will send this code when the altitude is outside the specified limits for the device MODE The mode message sets the unit s current operating mode This includes 1 selecting Standby Mode A or Mode C 2 enabling Ident 3 adjusting squawk code This message is not processed when in setup or test modes It will also not be process if a system failure has occurred Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Buffer Length 15 bytes 38 Apollo SL70 Installation Manual Serial Interface Specification Mode Format Specification Table 17 Mode Message Format OU ASC 0x23 i ASCH OD D ASCH DY 3 0 ASCH space 0x20 4 im See Mode Table below o 5 5 ASCIIcomma 006 6 ji See Ident Table Below o 7 ASCIIcomma 006 12 13 Dd ChecksumofbytesO through 11 In hex ASCI ie FA Table 18 Mode Table O StandbyMode Ox4F Table 19 Ident Table i Definition Ascu Ident Enabled Ident is disabled Mode Message Examples MD O 12006B Standby Mode Ident inactive Squawk code is 1200 MD A L235484 Mode A Ident active Squawk code is 2354 SOFTWARE VERSION The software version message requests t
28. n output The transponder will be suppressed or will not generate replies when the input is driven high from the DME or other source To use the suppression input connect it to the suppression output on a DME or other appropriate suppression source 8 Apollo SL70 Installation Manual ANTENNA INSTALLATION AND CONNECTIONS Installation The antenna should be mounted in a vertical position in an area on the bottom of the aircraft away from other antennas or landing gear The antenna coax cable should be a double shielded low loss cable and must have a cable loss of lt 3 dB at 1090MHz including connectors A typical installation should have a cable loss of 1 to 2 dB Several suitable coaxes are RG142B and RG400 The assembly of the rear panel coax connector included with the installation kit is illustrated in the following figure Shield 0 250 Cable N 0125 1 099 Slide shrink tube over cable STEP 1 PR PR zem Strip cable as shown Insulation Shrink 125 Tube STEP 2 en Cap Solder Outer Shield la Matching Ring to Connector Solder Center Flare Outer Shield as Shown Place cable in connector as shown placing inner shield inside connector Flatten outer shield against connector STEP 3 RRA A w Corid ctor Solder outer shield to connector D 4 Solder center conductor Slide matching ring into connector and around conductor Attach cap Solder Cap 2 Plac
29. navigation computer or a test setup Any device connected to the SL70 s external serial port will be referred to as the host BAUD RATE The SL70 has a configurable baud rate from 1200 to 19200 Both the input and output are set to the specified baud rate A typical serial altitude encoder provides serial altitude data at 1200 baud When connecting to a host expecting standard serial altitude date i e NMC GX50 60 the baud rate must be set to 1200 COMMUNICATIONS Establishing communications between the SL70 and the host is independent of which device is turned on first The SL70 operates in a broadcast mode Once the startup is finished the SL70 will begin sending the appropriate serial data and processing any incoming serial data MESSAGE DEFINITIONS Messages are divided into two groups The standard message group which contains the AL and SS messages is the most compatible with altitude encoder inputs found on products such as the GX50 60 55 The extended message group adds MD AH and RC messages The C1 message is sent upon request The selection for standard or extended is configured during the installation setup and saved in the EEPROM OUTPUT MESSAGES Table 4 Output Messages Msg ID STANDARD Trai Altitude Message 1 second interval approximate ASS System Status On power up amp continuously upon e i EXTENDED _ _______ i MD Operation Mode Message 1 ie interval approximate Alt Hold Me
30. nit fails to operate despite troubleshooting efforts contact the Garmin AT factory for assistance Garmin AT Inc 2345 Turner Rd S E Salem Oregon 97302 U S A Phone 503 581 8101 or 1 800 525 6726 Be prepared to offer the following information about the installation e Installation configuration accessories antenna e Model number part number with mod levels and serial number e Software versions The software versions can be displayed in the setup mode by rotating the LARGE knob to the SW VER page and rotating the SMALL knob to display the microcontroller and FPGA versions e Description of problem e Efforts made to isolate the problem 24 Apollo SL70 Installation Manual Periodic Maintenance APPENDIX B PERIODIC MAINTENANCE The Apollo SL70 is designed to not require any regular general maintenance except as included in this section BIENNIAL CHECK The transponder must be tested within the previous 24 months as specified in 91 413 of the FAA regulations No other periodic maintenance is required CLEANING THE FRONT PANEL The front bezel keypad and display can be cleaned with a soft cotton cloth dampened with clean water DO NOT use any chemical cleaning agents Extreme care must be taken to avoid scratching the surface of the display Apollo SL70 Installation Manual 25 Periodic Maintenance NOTES 26 Apollo SL70 Installation Manual Environmental Qualification Form APPENDIX ENV
31. provided by this section in the operator s Aircraft Maintenance Manual and the operator s Aircraft Scheduled Maintenance Program 1 Maintenance Manual information system description operation location removal testing etc is contained within this document and any information should be copied to and or included with the operator s airplane Maintenance Manual 2 Line Replaceable Unit LRU part numbers and other necessary part numbers contained in the installation data package should be placed into the aircraft operator s airplane Illustrated Parts Catalog IPC 3 The specific wiring diagram information along with the supplemental information described in the Installation Manual pertaining to the installation of this unit should be placed into the aircraft operator s airplane Wiring Diagram Manuals 4 Scheduled Maintenance Program task to be added to the operator s maintenance program are found in Appendix B Periodic Maintenance of this installation manual Apollo SL70 Installation Manual 15 Installation NOTES 16 Apollo SL70 Installation Manual Specifications SECTION 3 SPECIFICATIONS This section includes detailed electrical physical environmental and performance specifications for the Apollo SL70 ELECTRICAL hire reali 10VDC to 35VDC reverse polarity protected TAG
32. ssage 1 second interval approximate Replies per second 1 second interval approximate ACI Configuration 1 Software Versions ALTITUDE The altitude output function is intended to interface with other Apollo products that have serial altitude input This message is output in both normal and test modes Apollo SL70 Installation Manual 31 Serial Interface Specification Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Output Rate Approx sec Buffer Length 17 bytes Altitude Format Specification Table 5 Altitude Message Format POU ASCH 0x23 io A y ASCH A 0x41 gt v SCHL OAC Boo o ASCH space 0x20 0 O Altitude sign ASCII or 0x2B or 0x2D 1415 dd Checksum of bytes 0 through 13 In hex ASCII i e Altitude Format Specification Examples AL 00100T 15D1 100 feet above sea level 29 92 inches Hg with temperature 15 C AL 09981T 15ED ERROR CODE invalid data 15 C Altitude Error Codes The altitude encoder converter may place an error code in bytes 4 9 Here is a list of the possible codes e 09981 Possible Hardware Problem The converter issues this code if the temperature of the internal heater is greater then 55 C indicating a possible hardware problem or the data received from the encoder is invalid indicating a possible encoder or wiring problem e 09982 Altitude Out of Range Bo
33. t required ALTITUDE INPUT 10 Dit gras ut utes Uses 10 bit gray code altitude data includes isolation diodes Range 1000feet to 63 000 feet On lt 3 5 volts Off open Serapo Uses RS 232 serial data input See Appendix E Serial Interface Specifications Note The altitude data input type must be selected using the setup function during the post installation checkout DISCRETE INPUTS Input pulled low momentarily to initiate ident transmission same function as front panel button On lt 3 5 volts Off open Standby input eoram cepit Datei rendu Input pulled low to disable the transponder will not generate replies On lt 3 5 volts Off open Suppression 1nput eeeeeeeeeee eee enean Input pulled high to initiate suppression typically connected to DME suppression output Suppressed gt 5 0 volts Not suppressed 2 5 volts or open DISCRETE OUTPUTS Altitude Hold ir Capable of sinking 400 mA for turning ON external indicator Indicates the pilot select hold altitude has been exceeded SERIAL INTERFACE ry Defined in Appendix E Serial Interface Specifications 18 Apollo SL70 Installation Manual TRANSPONDER PERFORMANCE Receiver Frequency Sensitivity MTL Dynamic Range Side Lobe Suppression Transmitter Frequency Transmitter Power Reply rate Mode A Capability Mode C Capability
34. th the encoder and converter will send this code when the altitude is outside the specified limits for the device MODE MESSAGE The mode message indicates the current operating mode It includes the following 1 current mode Standby Mode A or Mode C 2 Ident enabled disabled 3 current Squawk code setting and 4 heart beat received This message is output in both normal and test modes 32 Apollo SL70 Installation Manual Serial Interface Specification Interface Specification Baud Rate See Baud Rate Page 23 Data Bit 8 bits Stop Bit 1 bit Parity None Output Rate Approx 1 sec when EXT extended messages are selected Buffer Length 17 bytes Mode Format Specification Table 6 Mode Message Format POAC xs 1 ABAM OD 2 ASHBY 4 3 ASCH space 0x20 4 im j SeeModeTableblow o y SSP ASCH 0x2C 00 0 0 O 6 li See Ident Table Below Lr ASCH comma 0xX2C 0 0 0 0 O LSB 1 heart beat received In hex ASCII 01 14 15 Checksum of bytes 0 through 13 In hex ASCI ie FA Table 7 Mode Table O Standby Mode Ox4F Table 8 Ident Table Ident is Inactive Mode Message Examples MD O 12000006 Standby Mode Ident inactive Squawk code is 1200 AMD A L23540120 Mode A Ident active Squawk code is 2354 ALTITUDE HOLD The altitude hold message includes 1 hold altitude 2 altitude limit 3 indication if within
35. than 100feet ANTENNA The antenna shall be a standard transponder quarter wave monopole antenna such as the TED 104 12 or Comant CI 101 EQUIPMENT MOUNTING Once the cable assemblies have been made attach the 37 pin dsub and coaxial cable connectors to the rear connector mounting plate and the mounting frame as illustrated in Figure 2 and Figure 3 Route the wiring bundle as appropriate The rear connector plate should be attached to the mounting frame before installing the frame in the instrument panel The rear connector plate can be used to tie down the cable assemblies Connect the shields on any shielded cables directly to the connector mounting plate Mounting Frame 4 40 x 1 4 Screw 8X Lock Ring Flat Washer Coax Connector Edge Grommet 37 Pin D Sub Connector A Connector Mounting Bracket Figure 2 Mounting Frame Assembly 6 Apollo SL70 Installation Manual Installation Connector to Float Freely Connect Shield to Frame Cable Ties 2x Figure 3 Cable Routing Once the cable assemblies are complete and the connectors are attached to the mounting frame install the mounting frame assembly in the aircraft instrument panel Be sure to use low profile head screws so the unit will slide in and out freely Attach the front of the mounting frame to the instrument panel Use support brackets to attach the rear of the frame to the aircraft UNIT INSTALLATION REMOVAL To install th
36. the user s guide for operating instructions The steps that are not applicable to a particular installation may be skipped Fill out the checkout log sheet during the checkout procedure The log sheet of page 14 may be photocopied if desired Mounting Wiring Check Verify that all cables are properly secured and shields are connected to the rear of the mounting frame Check that cables do not interfere with the movement of the aircraft controls TEST MODE CHECKOUT AND SETUP The SL70 has a built in setup mode to simplify the checkout To operate the SL70 in the setup mode hold down the IDENT and ALT buttons while switching on the power To return to normal operation switch the power off then back on Altitude Input Source Selection The SL70 altitude input type must be selected To select the altitude input type 1 In test mode rotate the LARGE knob to the SL70 CONF 51 70 Configuration page then rotate the SMALL knob to the ASRC Altitude source page 2 Press IDENT the altitude type field will start to flash rotate the SMALL knob to select the altitude type then press IDENT to save the selection The altitude types that can be selected are GRAY ieri to use the parallel gray code input ern to use the RS 232 serial altitude input RS 232 Baud Rate Selection If using the RS 232 serial interface the baud rate must be selected to match the connected equipment To sel
37. thin the SL70 Make sure a common ground connection exists or connect a ground wire between the source and the SL70 If using the RS 232 serial altitude input make the connections as described in the following section SERIAL INTERFACE The SL70 includes an RS 232 serial port which can be used for inputting or outputting altitude data This is an optional connection if the altitude gray code input is used When making serial connections to the SL70 use a shielded two or three conductor cable Make the RxD TxD and serial ground connections on the 37 pin dsub connector Connect the shield to the rear of the mounting frame on the connector plate Complete serial interface specifications are included in Appendix E DISCRETE INPUTS Remote Ident The ident input can be connected to a remotely mounted momentary switch to initiate the ident function the same as using the front panel IDENT button When using the ident input connect it to a remotely mounted momentary switch and connect the other terminal of the switch to ground Remote Standby The standby input is for use when the installation includes more than one transponder When two transponders are installed connect the standby input to a two position selector switch with the common on the switch connected to ground The SL70 will be in standby when the input is pulled low to ground Suppresion Input The suppress input is used when installed with a DME that includes a suppressio
38. ual Table of Contents Apollo SL70 Installation Manual Introduction SECTION 1 INTRODUCTION ABOUT THIS MANUAL This manual describes the installation of the Apollo SL70 transponder It is intended for use by persons certified by the Federal Aviation Administration FAA to install aircraft avionics Provides an introduction to the Apollo SL70 unit TSO certification information Section 1 is also included in this section Includes installation and checkout procedures Section 2 Sco Includes complete specifications Includes limitations for the equipment and installation Appendix A Includes troubleshooting information Appendix B Includes periodic maintenance requirements Appendix C Includes the environmental qualification form Appendix E Includes serial data protocol specifications APOLLO SL 70 DESCRIPTION The Apollo SL70 is a TSO C74c Class A2 JTSO C74c Class 2A mode A C transponder The SL70 in addition to providing replies to ATC interrogations includes an altitude display and altitude hold function and user friendly interface features including rotary knob squawk code selection a VFR button and built in self test and diagnostics Apollo SL70 Installation Manual 1 Introduction Squawk Altitude Small Inner Code Display Knob APOLLO SL70 POLLO Arc X100 PresAlt OFF ON Photocell 2 DENT 581 ON VER
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