Watson Industries, Inc.
DMS-SGP02 Rev K 03/22/2018
18
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
Label
Full Scale Decimal
Full Scale Binary
Time
TM
UTC
1
HHMMSS
Seconds Since Reset
16,383 seconds
Bank Angle
BK
±179.9º
±180º
Elevation Angle
EL
±89.9º
±180º
Heading Angle
HG
0.0 to 359.9º
±180º
X Accelerometer
XA
±9.99 G
±10 G
Y Accelerometer
YA
±9.99 G
±10 G
Z Accelerometer
ZA
±9.99 G
±10 G
Forward Acceleration
FA
±9.99 G
±10 G
Lateral Acceleration
LA
±9.99 G
±10 G
Vertical Acceleration
VA
±9.99 G
±10 G
X Angular Rate
XR
±99.9 º/s
±200 º/s
Y Angular Rate
YR
±99.9 º/s
±200 º/s
Z Angular Rate
ZR
±99.9 º/s
±200 º/s
Heading Rate
HR
±99.9 º/s
±200 º/s
User Channel 1
U1
±9.99 VDC
±10 VDC
User Channel 2
U2
±9.99 VDC
±10 VDC
User Channel 3
U3
±9.99 VDC
±10 VDC
User Channel 4
U4
±9.99 VDC
±10 VDC
Ground Track
2
/ Forward Velocity
VS
±399.9 Km/hr
±400 Km/hr
Latitude
3
LT
±89.99999
±90º (4 bytes)
Longitude
3
LN
±179.99999
±180º (4 bytes)
Altitude
4
AL
21500 Feet
32768
Temperature
TP
-40º to 88ºC
-40º to 88ºC (7 bit)
Status Bits
ST
3 ASCII chars representing
Octal digits
1 byte
Flag Bits
FL
3 ASCII chars representing
Octal digits
1 byte
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.
(“*****”).
