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16 

 

3700 Osuna Road NE 
Suite 711 
Albuquerque, NM 87109 
www.sandia.aero 

volatile memory.  The Configuration Page display a yellow box in the upper left hand 
corner of the display.  DO NOT CYCLE POWER WHILE THIS BOX IS DISPLAYED
.  
Otherwise, a corruption of the non-volatile memory may occur and the unit will default it’s 
configuration. 

3.7.2

 

Configuration Page 

Upon entry of configuration mode, the unit displays the following page: 

 

Figure 9-Configuration Screen 

 

Setup Page 

Purpose 

Min 
Value 

Max 
Value 

Increment 

VLOC GAIN 

Lateral needle gain adjustment 

.8 

1.2 

.001 

VLOC OFFSET 

Lateral needle zero offset adjustment (10ths of mV) 

-2000 

2000 

GS GAIN 

Vertical needle gain adjustment 

.8 

1.2 

.001 

GS OFFSET 

Vertical needle zero offset adjustment (10ths of mV) 

-2000 

2000 

TO/FROM 
GAIN 

TO/FROM input gain 

.8 

1.2 

.001 

TO/FROM 
OFFSET 

TO/FROM zero offset (10ths of mV) 

-2000 

2000 

LOC FLAG 
GAIN 

LOC Flag gain adjustment 

.8 

1.2 

.001 

LOC FLAG 
OFFSET 

LOC Flag zero offset (10ths of mV) 

-2000 

2000 

GS FLAG GAIN 

GS Flag gain adjustment 

.2 

1.0 

0.01 

SWAP 

GS Flag zero offset (10ths of mV) 

-2000 

2000 

RATIO 

Rotor to Stator Transfer Ratio 

0.2 

1.0 

.01 

SWAP 

Can swap SIN/COS on Stator D/F either 0 or 1.  

OBS 

Current displayed OBS 

360 

OBZ 

Electrically Zero OBS 

360 

Table 2 - Configuration Parameters 

The reading column shows the mV reading on that input.  The ELEC column on the ZERO row gives the 
electrically output angle on Stator D/F.   

Содержание SI-11X

Страница 1: ...3700 Osuna Road NE Suite 711 Albuquerque NM 87109 www sandia aero 905020 IM Rev A SI 11X Installation Manual ...

Страница 2: ...uced or copied in any form or by any means without the prior written consent of SANDIA aerospace Due to SANDIA aerospace s continued product and quality improvement programs information contained in this document is subject to change without prior notice Copyright 2019 SANDIA aerospace Corporation all right rights reserved Printed in USA Record of Revision Revision Date Description Approval A RR 1...

Страница 3: ...Procedures 9 3 1 General 9 3 2 Equipment Required 9 3 2 1 Supplied 9 3 2 2 Operational Software 9 3 2 3 Required But Not Supplied 10 3 3 Mounting Hole 10 3 4 Mounting Bracket Installation 10 3 5 Wiring Installation 11 3 6 Unit Mounting 13 3 7 System Configuration 15 3 7 1 Entry Exit Configuration Mode 15 3 7 2 Configuration Page 16 Section 4 Operation 17 List of Illustrations Figure 1 Unit Outer D...

Страница 4: ...3 3700 Osuna Road NE Suite 711 Albuquerque NM 87109 www sandia aero ...

Страница 5: ...es from a typical navigation receiver or GPS navigator All information is displayed on a color 3 5 diagonal LCD display in traditional aerospace symbology 1 2 1 System Functions The SI 11X performs the following functions Display of Lateral Deviation Either VOR ILS or GPS Display of Vertical Deviation Either ILS or GPS Display of VOR OBS Degrees Display of VOR TO FROM indication Display of 4 Annun...

Страница 6: ...5 3700 Osuna Road NE Suite 711 Albuquerque NM 87109 www sandia aero 1 2 3 Unit Outer Dimensions Figure 1 Unit Outer Dimensions ...

Страница 7: ...ss 1 3 2 Electrical Characteristics Needle Range 150mV Full Scale Deflection Needle Accuracy 2 of Full Scale Deflection Needle Max Deflection 175mV Max Deflection Needle Common Mode Voltage 3Vdc Needle Differential Load 1 kOhm To From Threshold 40mV To Positive To From Threshold Accuracy 2mV To From Common Mode Voltage 3Vdc To From Differential Load 1 kOhm Flags Threshold 125mV Flags Common Mode V...

Страница 8: ...Osuna Road NE Suite 711 Albuquerque NM 87109 www sandia aero 1 4 Environmental Characteristics Temperature 20 to 55 Degrees C Humidity DO 160G Standard Humidity TBD Power DO 160G Section 16 TBD EMI TBD RFI TBD ...

Страница 9: ...typical navigation receiver or GPS navigators via the standard analog that typically drove mechanical needle movements and flags The resolver circuit in the SI 11X can also emulate electrically the mechanical resolver found in traditional mechanical CDI s 2 2 Cooling Considerations The SI 11X does not require any special cooling considerations ...

Страница 10: ...ally unit checkout procedures Figure 2 Unit Front and Rear Views 3 2 Equipment Required 3 2 1 Supplied SI 11X Unit P N 905020 00 Kit Install Electrical SI 11X P N TBD Conn D 25 Pos Rcpt Sldr Cup P N TBD Clamp D Conn 45 180 Deg P N TBD Kit Install Mechanical SI 11X P N 306187 00 Bracket Mounting Front P N 306179 Gasket P N 306505 Bracket Mounting Rear P N 306185 Screw Phillips Flat Undercut SS X4 6...

Страница 11: ...acket P N 306179 and rear mounting bracket P N 306185 must be utilized to mount the instrument The panel cutout should be as follows Figure 3 Instrument Cutout Front and rear mounting brackets adapt the unit connection points to the 3 round instrument hole cutout The rear bracket is utilized to fasten the unit to the panel The supplied screws and nuts must be used to retain the brackets 3 4 Mounti...

Страница 12: ...ector uses screw lock assemblies to secure the connector to the unit The screw lock assemblies can be replaced with slide lock posts if desired by the installer NUM NAME I O DESCRIPTION P1 1 Rotor H Input Rotor Reference P1 2 Rotor C Input Rotor Reference P1 3 Stator D Output Cosine of Rotor Reference P1 4 Stator F Output Sine of Rotor Reference P1 5 Stator E Output Return for Stator D P1 6 Stator...

Страница 13: ...P positive for up needle movement 150mV for full scale 5 dots P1 14 GS DOWN Input Glideslope UP DOWN differential DOWN positive for down needle movement 150mV for full scale 5dots P1 15 GS FLAG Input Glideslope Flag differential Positive for needle active at 125mV P1 16 GS FLAG Input Glideslope Flag differential return P1 17 GPS ANN Input Active Low for GPS annunciation P1 18 VLOC Ann Input Active...

Страница 14: ...g bracket utilizing two upper tabs and a lower fastener 2 Place gasket on unit before installing unit onto bracket 3 The unit is installed by engaging the two upper tabs first then securing the bottom screw 4 Hold the unit at a slight angle off of the instrument panel as shown below and align the upper tabs with the slots on the rear of the unit ...

Страница 15: ... unit is now parallel to the panel 7 Once parallel to the panel apply downward pressure to ensure the upper tabs remain fully engaged 8 While holding in ward and down ward pressure on the unit tighten the lower screw with the 3 32 hex drive Torque to 5 inch lbs Do not over tighten 9 Verify that the unit is firmly attached to the instrument panel The bezel of the unit will stand off slightly from t...

Страница 16: ... for approximately 7 seconds the unit will enter the main operating mode 3 7 1 Entry Exit Configuration Mode Setup mode is enabled when the unit is powered on while the rotary knob is being held in the pressed state The unit will display a Caution Enter Config Mode NO YES To enter configuration mode rotate the encoder until YES is yellow and press the knob Figure 8 Setup Mode Entry Exiting the con...

Страница 17: ...ent 10ths of mV 2000 2000 1 GS GAIN Vertical needle gain adjustment 8 1 2 001 GS OFFSET Vertical needle zero offset adjustment 10ths of mV 2000 2000 1 TO FROM GAIN TO FROM input gain 8 1 2 001 TO FROM OFFSET TO FROM zero offset 10ths of mV 2000 2000 1 LOC FLAG GAIN LOC Flag gain adjustment 8 1 2 001 LOC FLAG OFFSET LOC Flag zero offset 10ths of mV 2000 2000 1 GS FLAG GAIN GS Flag gain adjustment 2...

Страница 18: ...NG is 150mV 1 5mV 5 Remove the localizer signal and observe the VLOC FLAG READING is 0 1 5mV 6 Switch to the Glideslope receiver Inject a strong glideslope signal Adjust DDM to zero and adjust GS OFFSET so that GS READING is 0 1 5mV 7 The GS FLAG READING should be greater than 125mV 8 Adjust DDM to 175 UP and adjust GS GAIN so that GS READING is 150mV 1 5mV 9 Adjust DDM to 175 DOWN and observe tha...

Страница 19: ...18 3700 Osuna Road NE Suite 711 Albuquerque NM 87109 www sandia aero ...

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