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Appendix A
The following outputs are available via the RS-232 serial link. Their full-scale ranges are listed for both decimal and
binary format.
Inertial Output
Time Since Reset
Bank Angle
Elevation Angle
Heading Angle
X Accelerometer
Y Accelerometer
Z Accelerometer
Forward Acceleration
Lateral Acceleration
Vertical Acceleration
X Angular Rate
Y Angular Rate
Z Angular Rate
Heading Rate
Corrected Bank Pendulum (simulated)
Corrected Elevation Pendulum (simulated)
User Channel 1
User Channel 2
User Channel 3
User Channel 4
2
Ground Track
/ Forward Velocity
3
Latitude
3
Longitude
4
Altitude
Temperature
Status Bits
Flag Bits
1
Note: The GPS universal time (UTC) field is filled with asterisks when the data is invalid.
("******")
2
Note: The Ground Track Velocity field is filled with asterisks when the data is invalid.
(****.*)
3
Note: The Latitude & Longitude fields are filled with asterisks when the data is invalid. ("+**.***** +***.*****")
4
Note: The Altitude field is filled with asterisks when the data is invalid.
(*****)
The Status Bits contain the following information:
Bit
Description (If Set)
0
Bank Error Flag
1
Elevation Error Flag
2
Heading Error Flag
3
System Error Flag
4
Velocity Error Flag
5
Ready Flag
6
Checksum Error Flag
7
Not Used (always zero)
Example: The status channel output in ASCII Decimal is "146"
Octal Digit
Binary Equivalent
Status Bit #
Watson Industries, Inc.
Full Scale Decimal
1
UTC
HHMMSS
±179.9º
±89.9º
0.0 to 359.9º
±9.99 G
±9.99 G
±9.99 G
±9.99 G
±9.99 G
±9.99 G
±99.9 º/s
±99.9 º/s
±99.9 º/s
±99.9 º/s
±179.9º
±89.9º
±9.99 VDC
±9.99 VDC
±9.99 VDC
±9.99 VDC
±399.9 Km/hr
±89.99999
±179.99999
21500 Feet
-40º to 88ºC
3 ASCII chars representing
Octal digits
3 ASCII chars representing
Octal digits
1
4
0
1
1
0
7
6
5
4
16
Full Scale Binary
Seconds since Reset
16,383 seconds
±180º
±180º
±180º
±10 G
±10 G
±10 G
±10 G
±10 G
±10 G
±200 º/s
±200 º/s
±200 º/s
±200 º/s
±180º
±180º
±10 VDC
±10 VDC
±10 VDC
±10 VDC
±400 Km/hr
±90º (4 bytes)
±180º (4 bytes)
21500 Feet (2 Feet/count)
-40º to 88ºC (7 bit)
1 byte
1 byte
6
0
1
1
0
3
2
1
0
DMS-EGP01 Rev A 02/12/2015
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