Raytheon 138-119, Руководство оператора и по обслуживанию

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Change Over Box
138--119
24
3769DOC000002 Edition: April 06, 2005
4 Change Over Box application in the STD22--System
4.1 Change Over Box application in the STD22 GG--R Gyro Compass System
The block diagram below shows a Change Over Box and a Change Over Switch in the
STD22 GG--R Gyro Compass System (GG--R = Gyro/Gyro -- Redundant)
(see also block diagram 10--BD--D--X00013--C).
CAN
bus
STD
22
G
G
--R
Gyro
Compass
System
*
*(GG
--R
=
Gyro/Gyro
--
R
edundant)
Inputs: --
NMEA
Speed
--
NMEA
Position
--
Log
Speed
--
Log
Direction
Outputs: Distribution
U
nit:
--
up
to
12
x
H
eading
(RMG
course
bus
or
NMEA)
--
3x
Step
(6
steps/degree),
24/35
V
DC
,m
ax
.1
0W
--
1x
RS
232
serial
interface
for
printer
--
1x
rate
of
turn
+/
--
10V
for
30/100/300
degrees/min
--
12
x
S
tatus
(potential
free)
--
D
V
--B
us
CAN
bus
see
m
anual
no.:
3648
see
m
anual
no.:
3647
Compass STD
22
11
0-
-233
up
to
12x
Heading (course
bus
or
NMEA)
3x
Step
1x
rate
of
turn
1x
RS232
for
printer
Change
-
Ov
er
B
ox
138
--1
19
CAN
bus
CAN
bus
Operator
Unit
130
--613
Operator
Unit
130
--613
Distribution
U
nit
138
--1
18
Distribution
U
nit
138
--1
18
NMEA
Position
NMEA
Speed
Log
Direction
Log
Speed
Change
-
Ov
er
Switch 124
--187
Alarm
for
external
use
Compass STD
22
11
0-
-233
see
m
anual
no.:
3646
CANbus
DV Bus
Power
supply
see
section
4.3
Figure 8: STD22 GG--R Gyro Compass -- block diagram