Sandia Aerospace ST26 - Manual (Page 4)

NOMENCLATURE: TACH-GENERATOR ADAPTOR
TYPE/MODEL/PART NO: ST 26/305662-[XX]
MANUFACTURER’S SPECIFICATION AND/OR OTHER APPLICABLE SPECIFICATION: 305662-00
MANUFACTURER: SANDIA AEROSPACE
ADDRESS: 3700 OSUNA RD. NE, SUITE 711
ALBUQUERQUE, NM 87109
REVISION & CHANGE NUMBER OF DO-160: REV E CHANGE -
CONDITIONS SECTION DESCRIPTION OF TESTS CONDUCTED NOTES:
Temperature and Altitude 4.0 Tested to Category [A2F2X]
Low Temperature 4.5.1 -65 Ground/-55 Short
4.5.2 -55 Operating
High Temperature 4.5.3 +85 Ground/+70 Short
4.5.4 +70 Operating
Loss of Cooling 4.5.5 Not applicable
Altitude 4.6.1 55,000 (2.69InHg),-1000FT
Decompression 4.6.2 55,000 Decompression
Overpressure 4.6.3 -15,000 (50.12InHg)
Temperature Variation 5.0 Tested to Category B 5 deg/min
Humidity 6.0 Tested to Category B 240 Hours / 10 Cycles
Operational Shock and Crash
Safety
7.0
Tested to Category B Aircraft Type 5 Test
Type R
Helicopter and All Fixed-wing in
random orientation
Sustained Crash Safety 7.3.2 Tested to Category B, Centrifuge
Vibration 8.0
Tested to Category (S) using vibration
curves (B2M)
Fixed Wind Recip & Turboprop Mult
over 12,500Lbs. Recip & Turbojet
Explosion 9.0
Equipment identified as Category X, no test
performed
Waterproofness 10.0
Equipment identified as Category X, no test
performed
Fluids Susceptibility 11.0
Equipment identified as Category X, no test
performed
Sand and Dust 12.0
Equipment identified as Category X, no test
performed
Fungus 13.0
Equipment identified as Category X, no test
performed
Salt Spray 14.0
Equipment identified as Category X, no test
performed
Magnetic Effect 15.0 Tested to Category Z Less than 0.3m deflection
Power Input 16.0 Tested to Category Z No Digital Circuits
Voltage Spike 17.0 Tested to Category A
Audio Frequency
Susceptibility
18.0 Tested to Category Z
Induced Signal Susceptibility 19.0 Tested to Category [ZC]
Radio Frequency
Susceptibility
20.0 Tested to Category [RR] Note 1
Radio Frequency Emission 21.0 Tested to Category M Note 1
Lightning Induced Transient
Susceptibility
22.0 Tested to Category [Z3XXX] Note 1, 2, 3
Lightning Direct Effects
23.0
Equipment identified as Category X, no test
performed
Icing 24.0
Equipment identified as Category X, no test
performed
Electrostatic Discharge 25.0
Equipment identified as Category X, no test
performed
Fire, Flammability 26.0
Equipment identified as Category X, no test
performed
Note 1: ST 26 is to be mounted flat, with mounting tabs on the reference ground plane. Bonding shall be close to mounting holes of case. Impedance
from case to reference ground plane less than 2.5 milliohms. Test report shall describe actual bonding methods used.
Note 2: The following table defines the waveforms used on circuits
Pins/Circuits Waveforms
1,2,4,5,7,8,10,11/ Tach Inputs 4, 5A - Level 4
13,25 / Acft Pwr 3, 4 - Level 3
15,18,21,24 / Output 3, 5A - Level 3
Output circuits (pins 15, 18, 21, 24) have 250 Ohm impedance between circuit and transient generator during waveform 5A testing.
Note 3: UUT shall be powered with 27.5Vdc +- .25Vdc.
3
Figure 1
ST 26 Qualification Test Form