Install Manual
Preliminary
SKY899
Installation Manual
Figure 2-3. Interconnect Wiring With WX-1000
(Sheet 1 of 2)
2-7 (page 2-8 blank)
Rev. A
HSYNCHI
HSYNCLO
VSYNCHI
VSYNCLO
VIDEOHI
VIDEOLO
PWRSWHI
PWRSWLO
DSPGND
-15
+15
SHIELD
NOTES:
1.) ALL WIRES TO BE 22 AWG EXCEPT WHERE NOTED.
2.) TP - USE TWISTED SHIELDED PAIR CABLE. TERMINATE SHIELD TO AIRFRAME
GROUND AT SENSOR (OR POWER SOURCE).
4.) FUTURE OPTION.
5.) A RADIO ALTIMETER, AIRDATA COMPUTER, OR OTHER ARINC 429 OUTPUT
DEVICE MAY REPLACE ANALOG SENSORS FOR MAGNETIC HEADING, RADIO
ALTITUDE, OR BAROMETRIC ALTITUDE.
SQUAT SWITCH
LANDING GEAR POSITION
ALTITUDE
A1
A2
A4
B1
B2
B4
C1
C2
C4
D4
2
20
16
15
17
11
24
25
19
13
14
12
18
23
22
7
8
10
9
5
6
P101 J101
SEE NOTE 6
SEE NOTE 6
LOW
HIGH
Z
Y
X
}
}
26 VAC REFERENCE
HEADING
DIRECTIONAL GYRO COMPASS
TRANSMITTER
RECEIVER
COMPUTER
UNIT
HEADING_FLG
N/C
HEADING_X
HEADING_Y
HEADING_Z
HEADING_H
HEADING_C
51
46
47
48
49
50
P1
DPWR+15_OUT
DPWR-15_OUT
DSPLY_GND_OUT
LP1OUT
LP2OUT
ALT_A1
ALT_A2
ALT_A4
ALT_B1
ALT_B2
ALT_B4
ALT_C1
ALT_C2
ALT_C4
ALT_D4
SQUAT
GEAR
TP
TP
TP
TP
TP
ALT_COMMON
TRC899
WX-1000
3.) THE SUM CABLE WILL HAVE A BLUE BAND AT EACH END. THE DIFFERENCE CABLE
WILL HAVE A RED BAND AT EACH END.
6.) TIE THE OUTER SHIELD TO THE CONNECTOR BACKSHELL. CONNECTOR BACKSHELL
IS CHASSIS GROUND.
HEADING INPUT CABLE
DISPLAY CABLE
SEE NOTE 6
WHT
ORN
BLU
WHT
BLU
WHT
BLU
BLU
WHT
BLU
WHT
BLU
WHT
BLU
WHT
BLU
ORN
WHT
BLU
ORN
RED
GRN
WHT
BLU
WHT
BLU
WHT
BLU
WHT
BLU
BLU
ORN
WHT
BLU
WHT
BLU
ORN
WHT
BLU
ORN
RED
GRN
WHT
BLU
WHT
WHT
BLU
WHT
ORN
ORN
TP
BLU
WHT
SFTKEY1
SFTKEY2
SFTKEY4
SFTKEY3
SEE NOTE 9
SEE NOTE 9
DISPLAY
ALT_COMN
BLK
YEL
BLU
WHT
BLU
WHT
WHT
BLU
WHT
BLU
YEL
BLKTP
TP
4
3
21
CHASSIS
1
WX-1000
PROCESSOR
TP
TP BLK
YEL
SFTKEY1_OUT
SFTKEY2_OUT
SFTKEY3_OUT
SFTKEY4_OUT
WHT
RED
ORN
BLUTP
TP
TP
VIDEO_IN-
VIDEO_IN+
VSYNC_IN-
VSYNC_IN+
HSYNC_IN-
HSYNC_IN+
DSPLY_GND_IN
DPWR-15_IN
DPWR+15_IN
BLU
WHT
BLU
WHT
WHT
ORN
BLU
WHT
BLU
WHT
BLU
WHT
BLU
WHT
BLU
WHT
BLU
WHT
ORN
BLU
BLU
WHT
BLU
WHT
BLU
WHT
BLU
WHT
YEL
BLK
SFTKEY3
SFTKEY4
SFTKEY2
SFTKEY1
WHT
GRN
RED
ORN
BLU
6
23
40
7
39
22
21
20
38
26
36
9
3
43
44
+15
-15
DSPGND
PWRSWLO
PWRSWHI
VIDEOLO
VIDEOHI
VSYNCLO
VSYNCHI
HSYNCLO
HSYNCHI
5
SHIELD
SMS
SW1
P301 J301
HEADING VALID
DIGITIZER
SMS_RET
SW2
P/O
SEE
OVER-RIDE
NORMAL
STORMSCOPE
SKYWATCH
ON/OFF_RET
ON/OFF
VIDEO_OUT-
VIDEO_OUT+
VSYNC_OUT-
VSYNC_OUT+
HSYNC_OUT-
HSYNC_OUT+
SFTKEY4_IN
SFTKEY3_IN
SFTKEY2_IN
SFTKEY1_IN
J1
P/O
AND NOTE 14
SEE NOTE 6
AND NOTE 14
GND
GND
+15V
GND
-15V
GND
N/C
GND
N/C
N/C
N/C
N/C
N/C
N/C
N/C
N/C
SEE NOTE 15
14.) IF THE SKYWATCH IS BEING INSTALLED TO AN EXISTING WX-1000 SYSTEM, THE
CABLE GROUND AT THE WX-1000 DISPLAY AND THE WX-1000 PROCESSOR MUST
BE CHANGED FROM AS SHOWN IN THE WX-1000 MANUAL TO BE AS SHOWN HERE.
8.) USE AUDIO_H FOR 600 OHM AUDIO SYSTEMS. USE AUDIO_L FOR 150 OHM AUDIO
SYSTEMS.
9.) DO NOT INSTALL EXTERNAL ISOLATION DIODES.
12
13
10
11
8
9
5
18
17
4
16
22
21
20
19
28
29
27
26
25
37
35
36
30
41
40
39
38
15
23
56
59
60
58
57
61
71
70
67
68
33
24
72
6
7
14
LAMP BLW
LAMP ABV
3.3V
PLUG_GND
SDA
SCL
PERSONALITY PLUG
3.3V
PLUG_GND
SDA
SCL
66
85
100
99
92
2
LOW
HIGH
VALID F LAG
DC ANALOG ALT
SEE NOTE 9
RADIO ALT
N/C
NOTE 6
}
D2
ALT_D2
7.) REFER TO INSTALLATION INSTRUCTIONS FOR CABLE SELECTION ON ANTENNA CABLES.
15.) INSTALLATION INSTRUCTIONS FOR THE WX-1000 ARE DETAILED IN THE
16.) OPTIONAL, MAY BE USED TO DRIVE INDICATOR DEPICTING OPERATIONAL MODE.
10.) THESE TWO DEVICES MUST BOTH BE HIGH SPEED OR BOTH BE LOW SPEED.
11.) THESE TWO DEVICES MUST BOTH BE HIGH SPEED OR BOTH BE LOW SPEED.
SEE NOTE 12
}
12.) ONLY USED WITH EXTERNAL DISPLAYS THAT DO NOT ANNUNCIATE ABOVE AND BELOW.
SEE NOTE 13
13.) IF D2 IS NOT USED THEN IT IS A "NO CONNECT" (N/C).
69
RAD_ALT_IN_LO
RAD_ALT_IN_HI
RADIO_ALT_FLG
TP
BACKSHELL
CONNECTOR
INSIDE
OPER_MODE
DISCRETE
LAMP, SEE NOTE 16
DISCRETE I/O SEE NOTE 4
31
32
N/C