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Trans-Cal Industries, Inc.

 

 

Model SSD120-(XX)N-RS5 

& 

Model SSD120-(XX)NE-RS5  

(Includes Mod. 1 Data) 

 

All Solid-State 

Altitude Encoder/Digitizer 

 

Owner/Installation Manual 

 

FAA TSO-C88a Approved 

EASA ETSO-C88a Approved 

 
 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 

Trans-Cal Industries, Inc. 

Van Nuys Airport 

16141 Cohasset Street 

Van Nuys, CA   91406-2908 

(818) 787-1221   (800) 423-2913   fax (818) 787-8916 

www.trans-cal.com 

 
 

22 June 2012 

 

Document Number: 882204 

 

Rev. C

Summary of Contents for SSD120-N-RS5

Page 1: ...id State Altitude Encoder Digitizer Owner Installation Manual FAA TSO C88a Approved EASA ETSO C88a Approved Trans Cal Industries Inc Van Nuys Airport 16141 Cohasset Street Van Nuys CA 91406 2908 818 7...

Page 2: ...is the responsibility of the installing agency to substantiate compliance with FAR25 1316 Advisory Circular AC20 136A provides guidance related to the protection of aircraft electrical systems from th...

Page 3: ...itude Data Port Test Equipment 13 3 4 Parallel ICAO Altitude Data Port Test Equipment 13 Section 4 0 Calibration and Configuration 14 4 1 Calibration Overview 14 4 2 Required Equipment Span Adjust 15...

Page 4: ...Known Compatibility Issues 48 10 1 Honeywell KT 73 Transponder with Serial Altitude Data Input 48 10 2 Narco AT5A AT6A AT 50 and AT 50A Installations and SSD120 XX N Mod 1 48 10 3 Mod 1 Installations...

Page 5: ...r Foe In Hg Inches of Mercury Kbps Kilobits per Second KHz Kilohertz L F Line Feed LSB Least Significant Bit mA Milliamperes max Maximum MB Millibar MHz Megahertz MFD Multi Function Display MSL Mean S...

Page 6: ...TxD2 and TxD3 Group B consists of TxD4 and TxD5 The serial data protocol is selectable for each output group and may be used to provide pressure altitude data to transponders GPS or other on board nav...

Page 7: ...ed maximum altitude up to 100 000 feet MSL 0 1581psi or over pressured to 5721 feet 18psi maximum 1 4 Parallel ICAO Altitude Data Port Specifications Code Format In accordance with U S National Standa...

Page 8: ...AT IIMorrow Nav Devices Leaving pin 9 and 10 of the DA 15S serial data receptacle open results in a protocol compatible with UPS Aviation Technologies IIMorrow Navigation devices The Digitizer will se...

Page 9: ...02500T 25D6 C R Pressure Altitude 2500 feet 1 8 5 ARNAV Systems Protocol Leaving pins 9 and 10 of the DA 15S serial data receptacle open the ARNAV Systems protocol MUST be software selected see 4 6 f...

Page 10: ...ure sign the number 55 two checksum bytes and a carriage return 9600bps 8 data bits 1 stop bit no parity The following is an example of the one foot resolution altitude message Message Definition RMS...

Page 11: ...ough a separate circuit breaker If power to the digitizer is provided directly from the aircraft s avionics buss follow the power up procedures recommended by the transponder manufacturer All parallel...

Page 12: ...e mating connectors to the digitizer housing using the 4 40 screws provided Refer to the outline drawing for mechanical dimensions Adapter plates are available to convert older Trans Cal and competing...

Page 13: ...et to display the serial altitude data b Connect to an open serial port on a personal computer using serial data capture software such as PROCOMM VERSATERM SOFTWARE WEDGE TERMINAL Windows 3 x or HYPER...

Page 14: ...ires a transition accuracy of 75 feet of the nominal transition point for that altitude A transition is defined as the point at which the digitizer changes from one altitude to the next either increas...

Page 15: ...of 1000 feet to the maximum altitude of the digitizer 6 Optional ATS 400 or equal device which will allow the display of the 100 foot resolution parallel altitude data 4 4 Span Adjust Procedure 1 Conn...

Page 16: ...ieved for both the maximum calibration altitude and the minimum calibration altitude 7 Exercise the aircraft s static system over the operating range of the altitude digitizer and with increasing and...

Page 17: ...Figure 1 Altitude Digitizer Correspondence Page 17 of 57...

Page 18: ...stabilize at the first altitude to be calibrated The first possible correction for Trans Cal digitizers is at 0 feet All adjustments to the digitizer calibration curve occur at 1000 foot intervals Use...

Page 19: ...Figure 2 Dynamic Calibration Set Up Using the ECP 100 Page 19 of 57...

Page 20: ...n OK Under the Com Properties window Select the Port Settings tab and set the following Bits per second 9600 Data bits 8 Parity None Stop Bits 1 Flow Control None Select OK In the Hyper Terminal windo...

Page 21: ...c Page 21 of 57 Serial Altitude Data Resolution TxD4 5 Protocol TxD1 thru 3 Protocol 1 The first digit represents the serial altitude data resolution 0 Use D Sub connector protocol hardware jumpers 1...

Page 22: ...s T Type P enter To identify the current port settings The digitizer will respond with a two digit number as follows a b Page 22 of 57 TxD2 Protocol Data Resolution TCI Factory Calibration Data The fi...

Page 23: ...e Dynamic Calibration Block Diagram and energize 11 Open the Hyper Terminal program as described in 4 5 12 The digitizer output should now be displayed on the PC screen with 10 foot resolution 13 You...

Page 24: ...operation mode 19 After completing the above procedure you may examine the corrections entered into the EEPROM Type D enter to display the EEPROM data and read the current error curve on the PC screen...

Page 25: ...ng is pictured below DATA 000 100 Foot Resolution TxD1 UPS 1200bps TxD2 UPS 1200bps TxD1 on the ECP 100 will set the serial data protocol for TxD1 TxD2 and TxD3 While TxD2 on the ECP 100 will set the...

Page 26: ...ide the ECP 100 power switch to the off position and remove power from the altitude encoder The encoder is now programmed and ready to operate Figure 3 Serial Port Configuration Using the ECP 100 Page...

Page 27: ...ode see 4 6 Serial Port Software Configuration Pab enter Port protocol assign in TCICAL mode Factory set to P12 Set to P22 for One Foot resolution data on TxD4 TxD5 See 4 7 Q Quit and return to top le...

Page 28: ...tude Correction 1000 21000 0 22000 1000 23000 2000 24000 3000 25000 4000 26000 5000 27000 6000 28000 7000 29000 8000 30000 9000 31000 10000 32000 11000 33000 12000 34000 13000 35000 14000 36000 15000...

Page 29: ...raft ground Connect to aircraft ground Connect to aircraft ground 8 or 14 5 14 to 28Vdc Input Connect to aircraft s avionics buss protected by a fuse or circuit breaker Connect to aircraft s avionics...

Page 30: ...rent altitude Identifies the current serial port settings Default factory setting is 000 Accesses the SSD120 adjustment program The digitizer will respond with A Type ADJ enter Type P enter The SSD120...

Page 31: ...to aircraft ground 14 Connect to aircraft ground Narco AT 50 and AT 50A Installations The Narco AT 5A AT 6A AT 50 or AT 50A transponder will not accept data from the SSD120 XX N RS5 Altitude Digitizer...

Page 32: ...0 11 C1 10 8 21 13 C2 4 3 22 12 C4 7 6 23 6 Output Enable 13 or 25 or aircraft ground 50 Connect to aircraft ground 8 or 14 9 14 to 28Vdc Input 14 to 28VDC Input Pin 62 through a 3 amp 50V reverse rat...

Page 33: ...ground Serial Data Connection for the Garmin GTX330 and 330D Transponder SSD120 XX N RS5 Serial Data Receptacle Function GTX330 62 Pin Connector 6 8 12 14 15 choose one TxD to RxD 24 RS232 In 2 1 4 5...

Page 34: ...B2 13 8 5 10 10 B4 14 9 4 11 11 C1 8 10 8 14 13 C2 6 11 11 16 12 C4 4 12 9 12 6 Output Enable 2 3 Connect to aircraft ground 19 8 or 14 10 14 to 28Vdc Input Connect to aircraft s avionics buss protect...

Page 35: ...a fuse or circuit breaker Connect to aircraft s avionics buss protected by a fuse or circuit breaker Connect to aircraft s avionics buss protected by a fuse or circuit breaker 15 Ground Connect to air...

Page 36: ...5 Ground 24 25 Connect to aircraft ground Connect to aircraft ground Serial Altitude Data Connection for the Trig TT31 Transponder SSD120 XX N RS5 Serial Data Conn Function Trig TT31 6 8 12 14 15 Choo...

Page 37: ...nect to aircraft ground Connect to aircraft ground 8 or 14 14 14 to 28Vdc Connect to avionics buss via circuit breaker Connect to avionics buss via circuit breaker Connect to avionics buss via circuit...

Page 38: ...Open Open Open Open Trimble Garmin 100 resolution 9600bps Trimble Garmin 10 resolution 9600bps Open Gnd Open Open Gnd Gnd Northstar Garmin 100 resolution 2400bps Northstar Garmin 10 resolution 2400bp...

Page 39: ...D Sub Connector SSD120 XX N RS5 Serial Data D Sub Receptacle RxD2 21 6 8 12 14 15 choose one Ground 20 1 4 5 7 11 13 choose one Optional jumper pin 2 to ground for 10 resolution Apollo GX50 GX60 GX65...

Page 40: ...is to receive the pressure altitude data SERIAL 1 IN or SERIAL 2 IN Set data format to ENCODER 2101 I O Approach Plus GPS Receiver Trimble Signal Trimble 2101 I O Serial Port 1 Trimble 2101 I O Seria...

Page 41: ...Garmin 400 series GPS to communicate with the SSD120 XX N RS5 go to the Main RS232 Config page and set channel 1 input to Icarus alt Garmin GNC 300 GPS Comm GNC 300 37 Pin Connector J101 Function SSD1...

Page 42: ...ose one Protocol Software select ARNAV protocol see 4 6 ARNAV Systems DR 100 WxLink Receiver Multiplexer ARNAV DR 100 25 Pin Connector SSD120 XX N RS5 Serial Data Receptacle 10 6 8 12 14 15 choose one...

Page 43: ...Pin 1 D4 9 2 A1 25 3 A2 40 4 A4 10 5 B1 26 6 STROBE Connect to Ground 7 D2 39 8 PWR 9 B2 22 10 B4 7 11 C1 23 12 C4 8 13 C2 38 14 PWR 15 GROUND Digital Altitude Preselect Alerter 1D960 ICAO Serial Alt...

Page 44: ...mation Section 8 0 Adapter Plate Ordering Information The adapter plates listed below will allow the use of competing digitizer manufacturer s and older Trans Cal quick release mounting trays with the...

Page 45: ...Each Digitizer data output line i e D4 A1 A2 A4 etc is capable of providing 35 mA 0 035 Amperes with a not to exceed power rating of 100mW 0 1 Watts when it is sinking current in the on position Typi...

Page 46: ...THRU C4 ATA LOGI C LOGI C 10K 9Vdc STROBE OUTPUT ENABLE PIN 6 EMITTER COLLECTOR BASE LOGI C 4 7K 5Vdc TYPI CAL TRANSPONDER PA DATA I NPUT CI RCUI T 1 OF D4 THRU C4 RALLEL 10 TYPI CAL BLOCKI NG DI ODE...

Page 47: ...ay be adversely affected Verify the digitizer and receiving device electrical grounds are referenced together by connecting one of the ground pins on the Digitizer RS232 connector to the receiving dev...

Page 48: ...on the ICAO altitude data line outputs to enable operation with older Narco transponders When installing a Mod 1 unit in an aircraft and particularly when installing in composite structured aircraft...

Page 49: ...SD120 XX N RS5 Terra Model AT3000 is pin for pin compatible Manufacturer Compatibility with Model SSD120 XX N RS5 Shadin Model 8800M ICAO data is pin for pin compatible RS232 data is output on pin 7 R...

Page 50: ...Wiring Harness Diagram Part Number 881404 50...

Page 51: ...Span Adjust Block Diagram 51...

Page 52: ...Dynamic Calibration Block Diagram 52...

Page 53: ...Figure 2 Temperature vs Warm up Time TEMPERATURE Degrees Celsius Seconds 20 TIME 53...

Page 54: ...Outline Drawing 54...

Page 55: ...ory X no test performed Sand and Dust 12 0 Identified as Category X no test performed Fungus Resistance 13 0 Identified as Category X no test performed Salt Spray 14 0 Identified as Category X no test...

Page 56: ...65 80 000 80 85 000 85 100 000 100 Model Nomenclature A Encoder Digitizer Discontinued M 2 Dia Module SM Servo Module N Nano Encoder Series Operating Environment Blank Standard 20 to 70 C E Extended...

Page 57: ...or implied For the above warranty to become effective the attached registration card must be completed and returned to Trans Cal Industries properly filled out and signed by the dealer selling or ins...

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