UPS Aviation Technologies Apollo SL70R, Руководство по установке

Страница: 11 / 52

General Information
Apollo SL70R Installation Manual
3
Required clearance............................ Allow one inch behind unit for con-
nector and cable clearance
1.3.3
E
NVIRONMENTAL
The Apollo SL70R is designed and tested to meet appropriate categories of RTCA/DO-
160D. The Environmental Qualification Form is included in Appendix A.
Operating temperature................. -20
°
C to +55
°
C
Storage temperature .................... -55
°
C to +85
°
C
Temperature variation ................. 2
°
C per minute
Humidity ..................................... 95% at 50
°
C for 6 hours (2 day cycle)
Maximum altitude ....................... 25,000 feet
Cooling........................................ Not required
1.4 A
LTITUDE
I
NPUT
10 bit gray code..................... Uses 10 bit gray code altitude data, includes 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 D
ISCRETE
I
NPUTS
Remote Ident ......................... Input pulled low momentarily to initiate ident
transmission (same function as front panel button)
On: <= 3.5 volts, Off: open
Standby input ........................ Input pulled low to disable the transponder (will not
generate replies)
On: <= 3.5 volts, Off: open
Suppression input.................. Input pulled high to initiate suppression – typically
connected to DME suppression output
Suppressed: >= 5.0 volts;
Not suppressed: < 2.5 volts (or open)
1.6 S
ERIAL
I
NTERFACE
RS-232 .................................. Defined in Section 7 – Serial Interface Specifica-
tions
1.7 T
RANSPONDER
P
ERFORMANCE
TSO ....................................... TSO-C74c
TSO Class ............................. 2A