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BENDIX/KING
OBI SYNC,
CLOCK, & DA-
TA:
RS 232 OUT:
WPT ALERT:
(Waypoint Alert)
MSG:
(Message)
APPROACH
ACTIVE:
APPROACH
ARM:
CDI Output:
Enroute:
Approach Arm:
Approach:
Flag Pulled out
of view:
Flag in view:
Nav Super Flag
Output:
OBS Resolver
Out:
Rev 5, April/2003
Table 3-9 KLN 90B Signal Outputs
Honeywell Serial Data containing bearing to the active waypoint
The RS232 output is designed to interface with certain ARNAV ELTs
and certain moving map displays, storm scopes, and Shadin fuel
flow systems (refer to
OPEN = Inactive
LOW = Active (Output can sink up to 250 mA
OPEN = Inactive
LOW = Active (Output can sink up to 250 mA)
OPEN = Inactive
LOW = Active (Output can sink up to 250 mA
OPEN = Inactive
LOW = Active (Output can sink up to 250 mA
Output is capable of driving up to five 1 KW parallel loads, Output
drive range: $300 mV ($ 150 mV full scale)
30 mV per nautical mile (Full scale = 5 nautical mile)
150 mV per nautical mile (Full scale = 1 nautical mile) 500 mV per
nautical mile (Full scale = .3 nautical mile)(Voltage at pin 22 is rela-
tive to voltage at pin 25)
The CDI output can manually be selected to the sensitivity of one of
the three sensitive modes listed below.
5, 1 or .3 nautical mile scale factor selectable
1 or .3 nautical mile scale factor selectable
.3 nautical mile scale factor only
Table 3-10 KLN 90B NAV Flag Output
350 to 900 mV
< 50mVOutput capable of driving up to five 1 KW parallel loads
Valid = >18 V in 28 VDC aircraft installations; >10 V in 14 VDC air-
craft installations Invalid = <3.5 V in all installations while sinking 1
mA max. Output can source up to 250mA
Nominal output frequency = 450 Hz Nominal unloaded peak ampli-
tude = 6 V Output drive capability = 40mA
10521I05.TDC
Appendix
A)
KLN 90B
Page 1-7
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