Garmin GNS 480, Installation Manaul

Page: 173 / 200

Appendix D - Interconnect Diagrams
GNS 480 (CNX80) Installation Manual 560-0982-01 Rev L D-17
2345 Turner Road S.E., Salem, OR 97302
Phone: 503.581-8101 http://www.garmin.com
Garmin AT, Inc
S-TEC AUTOPILOTS
GNS 480 INSTALLATION DRAWING
NOTES:
1. ALL WIRES 24 AWG OR LARGER UNLESS OTHERWISE SPECIFIED
2. AT GNS 480, CONNECT SHIELD GROUNDS TO THE REAR OF THE
MOUNTING FRAME ON THE CONNECTOR PLATE -- THE SHIELD
LEADS MUST BE LESS THAN 3.0 ". CONNECT OTHER SHIELD
GROUNDS TO AIRCRAFT CHASSIS WITH AS SHORT A CONDUCTOR
AS PRACTICAL.
3. ARINC 429 #2 OUT (P5-5/25) MAY BE USED INSTEAD OF ARINC 429#1
OUT. THE SPEED OF THE SELECTED ARINC 429 OUTPUT MUST BE
SET TO MATCH THE AUTOPILOT. THE SELECTED ARINC 429
OUTPUT MUST BE CONFIGURED FOR ‘ARINC 429’ OR ‘GAMA 429 NO
FP’ IN ORDER FOR GPSS DATA TO BE PROVIDED.
4. GPS TRACK GAIN IS USED TO IMPROVE TRACKING WHEN GPS IS
SELECTED ON THE CDI AND THE AUTOPILOT IS IN ANALOG
NAVIGATION MODE (AND ROLL STEERING IS NOT ENGAGED)
5. FOR CONVERTERS 01278-( ) S/N 600A AND ABOVE
6. FOR CONVERTERS 01278-( ) S/N 599 AND BELOW
GNS 480
Initial Release - 04/08/03
Description Rev Date
P7
10
29
68
TO MAIN CDI
P5
4
24
A
B
ARINC 429 #1 OUT
3
17
30
31
28
32
14
13
MAIN CDI + VALID
MAIN CDI - VALID
PRECISION APPR
GPS IND OUT
MAIN GS + UP
MAIN GS + DOWN
MAIN CDI GS + VALID
MAIN CDI GS - VALID
MAIN CDI+ LEFT
MAIN CDI+ RIGHT
S-TEC ST-901
GPSS CONVERTER
A
B ARINC DATA IN
GPS OVERRIDE
GNS 480
P5
4
24
A
B
ARINC 429 #1 OUT
3
P7
18 NAV IND OUT
S-TEC ST-901 GPSS CONVERTER CONNECTION
LAT + FL
A
G
LAT -
FLAG
V
E
RT +
FLAG
VE
R
T -
FL
A
G
V
E
RT +
UP
V
E
RT +
DOWN
LAT + L
E
FT
LAT + R
IGH
T
J3
8
9
22
System
40
System
50
S-TEC
System
Fifty Five X
P1
13
14
31
30
-
-
-
-
32
-
-
-
-
-
-
1
2
18
19
-
37
36
P2
- 38
System
55
System
Twenty
System
Thirty
P1
13
14
31
30
-
-
-
-
32
-
-
-
-
-
-
1
2
18
19
-
-
-
P2
- -
P1
-
-
14
13
-
-
-
-
-
-
-
-
P1
-
-
9
10
-
-
-
-
-
-
-
-
P1
-
-
9
10
-
-
-
-
-
-
-
-
P1
-
-
14
13
-
-
-
-
-
-
-
-
AUTOPILOT
LOC SWITCH
GPSS STEERING
NAV FLAG+
NAV FLAG-
G/S FLAG+
G/S FLAG-
G/S +UP
G/S +DOWN
L/R +LT
L/R +RT
A
B GPSS DATA IN
System
60-2 / 65
0109
24
6
23
21
-
-
-
-
16
-
-
-
-
-
-
77
58
46
45
-
-
-
0110
- -
System
60 PSS
-
-
-
-
77
58
46
45
-
-
-
0110
-
System
60-1
0109
24
6
23
21
-
-
-
-
16
-
-
-
Added GPS Track Gain
connection.
A 05/16/03
49 - - 26 42 42 26 GPS TRACK GAIN - - 4 - -
Changed unit name to GNS 480.
Clarified Note 3 to specify
ARINC 429 output settings. B 05/20/04
49
Added connection P1-49 to
S_TEC System 55 autopilot C 09/22/06
S-TEC ST-901
GPSS CONVERTER
A
B
ARINC DATA IN
GNS 480
P5
4
24
A
B
ARINC 429 #1 OUT
3
P7
18 NAV IND OUT
S-TEC ST-901 GPSS CONVERTER CONNECTION
J3
8
9
AIRCRAFT POWER
GPSS
(RELAXED)
NO GPSS
(ENERGIZED)
5
6
Figure D-8. S-TEC Autopilot Interconnect Diagram