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Troubleshooting

Apollo SL70R Installation Manual

22

4.2

C

ONTACTING THE

F

ACTORY FOR

A

SSISTANCE

If the Apollo SL70R unit fails to operate despite troubleshooting efforts, contact
the UPS Aviation Technologies factory for assistance.

UPS Aviation Technologies
2345 Turner Rd. SE
Salem, Oregon 97302
U.S.A.

Phone:503.581.8101 or 800.525.6726

Be prepared to offer the following information about the installation:

•

Installation configuration (accessories, antenna, ...)

•

Model number, part number with mod levels, and serial number

•

Description of problem

•

Efforts made to isolate the problem

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Summary of Contents for Apollo SL70R

Page 1: ...Apollo Mode A C Transponder Model SL70R Installation Manual April 2003 560 0408 01 ...

Page 2: ...nc Due to UPS Aviation Tech nologies commitment to constantly improve the quality and performance of our products infor mation contained in this document is subject to change without notice UPS Aviation Technologies Apollo and FlyBrary are registered trademarks of UPS Aviation Technologies Inc UPS Aviation Technologies Inc 2345 Turner Rd SE PO Box 13549 Salem OR 97302 Salem OR 97309 USA Phone 503 ...

Page 3: ...ility of those desiring to install this article on or within a specific type or class of aircraft to determine that the aircraft operating condi tions 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 Source TSO C74c ORDERING INFORMATION To receive additional copies of this pub...

Page 4: ...Apollo SL70R Installation Manual iv NOTES ...

Page 5: ...EQUIRED MATERIALS 7 2 4 SPECIAL TOOLS REQUIRED 7 2 5 INSTALLATION CONSIDERATIONS 8 2 5 1 MINIMUM SYSTEM CONFIGURATION 8 2 5 2 MOUNTING CONSIDERATIONS 8 2 5 3 CABLING AND WIRING 8 2 5 4 AIR CIRCULATION AND COOLING 8 2 6 EQUIPMENT MOUNTING 8 2 6 1 UNIT INSTALLATION REMOVAL 9 2 7 ELECTRICAL CONNECTIONS 9 2 7 1 INTERFACE CONNECTOR DEFINITION 11 2 8 ANTENNA INSTALLATION AND CONNECTIONS 12 3 POST INSTAL...

Page 6: ...EFINITIONS 29 7 3 OUTPUT MESSAGES 30 7 3 1 ALTITUDE 30 7 3 2 MODE MESSAGE 31 7 3 3 REPLY COUNT 32 7 3 4 INTERFACE SPECIFICATION 32 7 3 5 CONFIGURATION MESSAGE 32 7 3 6 SYSTEM STATUS 33 7 4 INPUT MESSAGES 34 7 4 1 ALTITUDE 34 7 4 2 MODE 35 7 4 3 SOFTWARE VERSION 36 7 4 4 RESET 36 7 4 5 SET OPERATION 36 7 5 SETUP MODE MESSAGE DEFINITIONS 37 7 5 1 OUTPUT MESSAGES 37 7 5 2 EEPROM DATA 37 7 5 3 INPUT M...

Page 7: ...4 TABLE 7 11 ALTITUDE MESSAGE FORMAT 34 TABLE 7 12 MODE MESSAGE FORMAT 35 TABLE 7 13 MODE TABLE 35 TABLE 7 14 IDENT TABLE 36 TABLE 7 15 SOFTWARE VERSION MESSAGE FORMAT 36 TABLE 7 16 RESET MESSAGE FORMAT 36 TABLE 7 17 P1 PULSE MESSAGE FORMAT 37 TABLE 7 18 ARGUMENTS 37 TABLE 7 19 EEPROM DATA MESSAGE FORMAT 37 TABLE 7 20 SETUP TEST MODE OUTPUT MESSAGES 38 TABLE 7 21 INIT EEPROM MESSAGE FORMAT 38 TABL...

Page 8: ...Table of Contents Apollo SL70R Installation Manual iv NOTES ...

Page 9: ...t and installation Includes PERIODIC MAINTENANCE requirements Includes SERIAL SPECIFICATION information Includes the ENVIRONMENTAL QUALIFICATION FORM 1 2 APOLLO SL70R DESCRIPTION The Apollo SL70R is an incomplete system and when connected to an appropriate host will function as a TSO C74c Class A2 mode A C transponder The SL70R in addition to providing replies to ATC interrogations can provide alt...

Page 10: ... for gray code altitude input the transponder will continue to transmit altitude data If the SL70R receives altitude data from the host in the event of host failure no altitude data will be transmitted If the host resumes normal operation the SL70R then reports Mode C operation to the host and altitude reporting resumes if valid serial data is supplied from the host 1 3 SPECIFICATIONS This section...

Page 11: ...s isola tion diodes Range 1000feet to 63 000 feet On 3 5 volts Off open Serial input Host may supply altitude data See Section 7 Serial Interface Specifications Note The altitude data input type must be selected See Table 2 1 pin 36 1 5 DISCRETE INPUTS Remote Ident Input pulled low momentarily to initiate ident transmission same function as front panel button On 3 5 volts Off open Standby input In...

Page 12: ... 87 Aviation Services Subpart D Technical Requirements The SL70R software is designed and tested to RTCA DO 178B level C Note Unauthorized changes or modifications to the SL70R may void the compliance to regulatory agency requirements and authorization for continued equipment usage 1 9 UNPACKING THE EQUIPMENT Carefully unpack the equipment Visually inspect the package contents for any evidence of ...

Page 13: ...nector shell 1 162 0043 Right angle coax plug 1 202 0001 Cable tie 2 204 0037 Edge grommet 6 221 0400 4 40 x SS pan head Phillips machine screw with lock washer 10 224 0404 4 40 x flat head Phillips machine screw 2 240 0008 9 16 OD flat washer 1 245 0027 Crimp contact for D sub 20 to 24 awg wire 30 265 0007 7 16 retaining ring 1 310 2506 00 Mounting Frame 1 560 0408 xx SL70R Installation Manual La...

Page 14: ...General Information Apollo SL70R Installation Manual 6 NOTES ...

Page 15: ... lation It may be easier to complete the wiring harness and attach the connectors to the mounting frame prior to installing the mounting frame in the aircraft 2 3 OTHER REQUIRED MATERIALS In addition to the materials supplied with the SL70R the following is required a suitable 2A circuit breaker which the pilot can pull out or disengage must be used NOTE Alternatively a switch that is within pilot...

Page 16: ...rance to route cables 2 5 3 CABLING AND WIRING Note The length of cable used for the serial connection between the SL70R and the host should not exceed 20 feet Figure 2 1 Cable Routing 2 5 4 AIR CIRCULATION AND COOLING For typical installations the SL70R does not require external cooling 2 6 EQUIPMENT MOUNTING Once the cable assemblies have been made attach the 37 pin D sub and coaxial cable conne...

Page 17: ...ame and turn the DZUS fastener clockwise with a DZUS screwdriver If a DZUS screwdriver is not avail able some flat bladed screwdrivers may work Push the unit fully into the frame then turn the DZUS lock To remove the SL70R from the mounting frame use a DZUS screwdriver or flat bladed screwdriver to turn the DZUS fastener counterclockwise The unit must be pulled out of the frame by the handle after...

Page 18: ...Installation Procedures Apollo SL70R Installation Manual 10 37 PIN CONNECTOR COAX CONNECTOR Figure 2 3 Rear View of SL70R ...

Page 19: ... altitude gray code input 14 I B2 B2 altitude gray code input 15 I C4 C4 altitude gray code input 16 I C1 C1 altitude gray code input 17 Reserved 18 Reserved 19 I Suppress remote suppression input high for suppression 20 O NC no connection 21 I Reserved 22 O TxD2 RS 232 serial data output Duplicates TxD1 data 23 NC no connection 24 Ground 25 I Reserved 26 I Reserved 27 Ground 28 Ground 29 I Standb...

Page 20: ...ly of the rear panel coax connector included with the installation kit is illus trated in the following figure 0 125 Insulation 1 000 STEP 1 Cable Shrink Tube Matching Ring Cap STEP 3 STEP 4 Slide shrink tube over cable Strip cable as shown Solder Center Conductor Solder cap into place 2 Places Shrink tube as shown Solder Cap 2 Places STEP 2 125 Shield 0 250 Flare Outer Shield as Shown Solder Oute...

Page 21: ...een 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 Breaker or switch must be accessible by pilot See Section 2 3 5 The length of cable used for the serial connection between the SL70R and the host should not exceed 20 feet RxD Ground Chassis Gr...

Page 22: ...n input switched to ground 3 Suppression input typically connected to DME suppression output Transponder is suppressed when input is high 4 Circuit breaker or switch must be accessible to pilot See Section 2 3 5 The length of cable used for the serial connection between the SL70R and the host should not exceed 20 feet RxD Ground Chassis Ground Host System 1 Select the gray code input by grounding ...

Page 23: ...Installation Procedures Apollo SL70R Installation Manual 15 NOTES ...

Page 24: ...Installation Procedures Apollo SL70R Installation Manual 16 NOTES ...

Page 25: ... gray code altitude input connections can be made directly from the SL70R to the altitude source Isolation diodes are included within the SL70R Make sure a common ground connection exists or connect a ground wire between the source and the SL70R The altitude source must be accurate to within 125 feet 95 probability and have a resolution of 100 feet the host input resolution may be better than 100 ...

Page 26: ...llo SL70 430 6067 ____ Mod ___ Serial _______________ CHECKOUT AND SETUP Self Test As Reported by Host Pass Fail Altitude Source Gray code VFR Code ________ Only if changed by host Host Supplied Serial RS 232 OPERATION PERFORMANCE CHECK Altitude Data Reported by Host Performance Verification As Reported by Host Pass Pass External Inputs Remote ident checked N A External standby N A COMMENTS ...

Page 27: ...Post Installation and Configuration Procedures Apollo SL70R Installation Manual 19 NOTES ...

Page 28: ...Post Installation and Configuration Procedures Apollo SL70R Installation Manual 20 NOTES ...

Page 29: ...ck all connections from the alti tude source and or verify the altitude source If the host is providing serial altitude input check for the correct baud rate and connections The unit fails the start up self test NOTE System status message will report failures TX fails Check antenna connections May have an open a short or a bad VSWR Other failure The unit may need repair Contact the factory for ass...

Page 30: ... Aviation Technologies factory for assistance UPS Aviation Technologies 2345 Turner Rd SE Salem Oregon 97302 U S A Phone 503 581 8101 or 800 525 6726 Be prepared to offer the following information about the installation Installation configuration accessories antenna Model number part number with mod levels and serial number Description of problem Efforts made to isolate the problem ...

Page 31: ...Troubleshooting Apollo SL70R Installation Manual 23 NOTES ...

Page 32: ...Troubleshooting Apollo SL70R Installation Manual 24 NOTES ...

Page 33: ...IONAL The SL70R 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 re ported 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...

Page 34: ...Limitations Apollo SL70R Installation Manual 26 NOTES ...

Page 35: ...ENANCE The Apollo SL70R does not require any regular general maintenance except as included in this section 6 1 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 ...

Page 36: ...Periodic Maintenance Apollo SL70R Installation Manual 28 NOTES ...

Page 37: ...st 7 2 2 HARDWARE INTERFACE The SL70R s external RS 232 port can be found on the 37 pin D sub connector located on the back of the unit 7 2 3 BAUD RATE The baud rate is fixed at 9600 baud Baud Rate 9600 Data Bit 8 bits Stop Bit 1 bit Parity None 7 2 4 COMMUNICATIONS Establishing communications between the SL70R and the host is independent of which device is turned on first The SL70R operates in a ...

Page 38: ...Altitude Message Format Byte Contents Description 0 ASCII 0x23 1 A ASCII A 0x41 2 L ASCII L 0x4C 3 ASCII space 0x20 4 or Altitude sign ASCII or 0x2B or 0x2D 5 9 ddddd Altitude in feet 100 ft resolution 10 13 T 15 Temperature always 15 14 15 dd Checksum of bytes 0 through 13 In hex ASCII i e FA 16 r ASCII carriage return 0x0D 7 3 1 3 ALTITUDE FORMAT SPECIFICATION EXAMPLES AL 00100T 15D1 100 feet ab...

Page 39: ...ffer Length 17 bytes 7 3 2 2 MODE FORMAT SPECIFICATION Table 7 3 Mode Message Format Byte Contents Description 0 ASCII 0x5E 1 M ASCII M 0x4D 2 D ASCII D 0x44 3 ASCII space 0x20 4 m See Mode Table below 5 ASCII comma 0x2C 6 i See Ident Table Below 7 ASCII comma 0x2C 8 11 dddd ASCII Squawk code 12 13 hh LSB 1 heart beat received In hex ASCII 01 14 15 dd Checksum of bytes 0 through 13 In hex ASCII i ...

Page 40: ... EXAMPLES RC 1200D6 1200 replies per second 7 3 5 CONFIGURATION MESSAGE This message provides a way to send configuration information C1 contains the soft ware version numbers for the microcontroller and FPGA 7 3 5 1 INTERFACE SPECIFICATION Output Rate Upon Request Buffer Length 16 bytes 7 3 5 2 SOFTWARE VERSION FORMAT SPECIFICATION Table 7 7 Configuration 1 Message Format Byte Contents Descriptio...

Page 41: ...pply 6 Input Voltage 7 Discrete Input Reference V 8 Display Temperature 9 Transmitter Temperature 10 Photo Cell 11 Synthesizer Locked Bit Definition 12 Receiver Test 13 Transmitter test 14 Suppression Stuck 15 Unused 7 3 6 1 INTERFACE SPECIFICATION Output Rate At Start up and continuously upon fail condition at 1 second intervals Buffer Length 11 bytes 7 3 6 2 SYSTEM STATUS FORMAT SPECIFICATION Ta...

Page 42: ... message to be processed Once selected the SL70R 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 7 4 1 1 INTERFACE SPECIFICATION Buffer Length 17 bytes 7 4 1 2 ALTITUDE FORMAT SPECIFICATION Table 7 11 Altitude Message Format Byte Contents Description 0 ASCII 0x23 1 A ASCII A 0x41 2 L ASCII L 0x4C 3...

Page 43: ...altitude is outside the specified limits for the device 7 4 2 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 fail ure has occurred 7 4 2 1 INTERFACE SPECIFICATION Buffer Length 15 bytes 7 4 2 2 MO...

Page 44: ...WARE VERSION MESSAGE SPECIFICATION Table 7 15 Software Version Message Format Byte Contents Description 0 ASCII 0x23 1 S ASCII S 0x53 2 W ASCII W 0x57 3 4 CD Checksum CDH 5 r ASCII carriage return 0x0D 7 4 4 RESET The reset message will cause the SL70R to reset It will take approximately 1 second for the unit to reset after receiving the message 7 4 4 1 INTERFACE SPECIFICATION Buffer Length 6 byte...

Page 45: ...ion to setup mode 7 5 SETUP MODE MESSAGE DEFINITIONS 7 5 1 OUTPUT MESSAGES Note Normal output messages are also output in setup mode 7 5 2 EEPROM DATA The eeprom data message provides the 16 bit data at the specified eeprom location The location is specified by the view eeprom serial message see section 7 5 6 7 5 2 1 INTERFACE SPECIFICATION Buffer Length 14 bytes 7 5 2 2 EEPROM DATA FORMAT SPECIFI...

Page 46: ...M This message causes the eeprom to reset to factory default settings Unit must be in setup mode 7 5 4 1 INTERFACE SPECIFICATION Buffer Length 6 bytes 7 5 4 2 INIT EEPROM FORMAT SPECIFICATION Table 7 21 Init EEProm Message Format Byte Contents Description 0 ASCII 0x23 1 I ASCII I 0x49 2 E ASCII E 0x45 3 4 B1 Checksum B1H 5 r ASCII carriage return 0x0D 7 5 4 3 INIT EEPROM EXAMPLE IEB1 Initialize EE...

Page 47: ...6 VIEW EEPROM The view eeprom command request that the eeprom data at the specified location be sent In response the SL70 will send the eeprom data message see 7 5 2 7 5 6 1 INTERFACE SPECIFICATION Buffer Length 9 bytes 7 5 6 2 VIEW EEPROM FORMAT SPECIFICATION Table 7 23 View EEProm Format Byte Contents Description 0 ASCII 0x23 1 V ASCII V 0x56 2 E ASCII E 0x45 3 ASCII space 0x20 4 5 dd Hex ASCII ...

Page 48: ...Serial Interface Specification Apollo SL70R Installation Manual 40 NOTES ...

Page 49: ...fied as Category X no test required Fluids Susceptibility 11 0 Equipment identified as Category X no test required Sand and Dust 12 0 Equipment identified as Category X no test required Fungus Resistance 13 0 Equipment identified as Category X no test required Salt Spray 14 0 Equipment identified as Category X no test required Magnetic Effect 15 0 Equipment is Class Z Power Input 16 0 Equipment te...

Page 50: ...Environmental Qualification Form Apollo SL70R Installation Manual 42 NOTES ...

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