Glideslope Flag - FreeFlight 2101 I/O Approach Plus Installation And Checkout Manual

C.2.4 Steering
OUTPUT
Steering (J2-46)
C.2.5 Glideslope (UP/DN)
OUTPUT
Low Level (J1-27)
(for future use)
C.2.6

Glideslope Flag

OUTPUT
Glideslope Flag
High Level (J2-31)
(for future use)
Low Level (J1-11)
(for future use)
Revision E
May 31, 2006
FreeFlight 2101 I/O Approach Plus GPS Navigation System
CHARACTERISTICS
Source
Range
Resolution
Accuracy
Index Reference
Positive Direction Sense
Scale Factor
Load Capability
Reference voltage
Rate
CHARACTERISTICS
Source
Range
Resolution
Accuracy
Index Reference
Positive Direction Sense
Scale Factor
Load Capability
CHARACTERISTICS
Source
Status
Load
Source
Status
Load
DESCRIPTION
AC analog voltage generator
utilizing external reference
voltage
0° to ± 30° Roll Steering Command
0.1° of Roll command
0.3° of Roll command
Zero feet cross-track distance
and 0° track angle error
Output in phase with reference
voltage for roll right command
393 mVac/1° roll command
> 5000Ω
26 Vac ± 10%, 400 Hz ± 20 Hz
supplied from AFCS
Not to exceed 5° of roll
command/second
DESCRIPTION
Polarity reversing analog current,
source referenced to ground
0 to ±150 mA into 1000Ω load
1.17 µA
10 µA centering
Desired Glidepath
Fly up when J1-27 is positive with
respect to J1-31
0.3 mA per foot
Up to three 1000Ω loads
DESCRIPTION
Transistor current source
+18.5 Vdc to +30 Vdc = Glideslope
Valid
0 to +3.5 Vdc = Glideslope Invalid
200 mA current source
Analog voltage source referenced
to ground
0 to 150 mVdc = Glideslope Invalid
250 to 900 mVdc = Glideslope Valid
Up to three 1000Ω loads
Page C-7