Raytheon 138-119, Руководство оператора и по обслуживанию

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Change Over Box
138--119
26
3769DOC000002 Edition: April 06, 2005
4.2 Change Over Box application in the STD22 GGM--R Gyro Compass System
The block diagram below shows a Change Over Box and a Change Over Switch in the
STD22 GGM--R Gyro Compass System (GGM--R = Gyro/Gyro/Magnet -- Redundant)
(see also block diagram 10--BD--D--X00014--C).
CAN
bus
STD
22
GGM
--R
G
yro
C
ompass
System
*
*(GGM
--R
=
Gyro/Gyro/Magnet
--
Redundant)
Inputs: --
NMEA
Speed
--
NMEA
Position
--
Log
Speed
--
Log
Direction
Outputs: Distribution
U
nit:
--
up
to
12
x
H
eading
(RMG
course
bus
or
NMEA)
--
3
x
Step
(6
steps/degree),
24/35
V
DC
,m
ax.
10W
--
1x
RS232
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
to12
x
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
Magnetic Sonde 108
--010
Power
supply
,
see
section
4.3
Figure 9: STD22 GGM--R Gyro Compass -- block diagram