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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
Angular Rate
Temperature
Flag Bits
Status Bits
Built In Test (BIT) Status Bits
The Flag Bits contain the following information:
Bit
Description (If Set)
0
Unused
1
Unused
2
Unit Temp Out of Range Flag
3
BIT Test Flag
4
Angular Rate Out of Range Flag
5
Unused
6
Checksum Error Flag
7
Unused
Example: The Flag channel output in ASCII Decimal is "020"
Octal Digit
Binary Equivalent
Flag Bit #
This translates into the information below:
Bit 7
Reset
Bit 6
Reset
Bit 5
Reset
Bit 4
Set
Bit 3
Reset
Bit 2
Reset
Bit 1
Reset
Bit 0
Reset
The Status Bits contain the following information:
Bit
Description
0
Unused
1
Unused
2
Unused
3
Unused
4
If set, Unit is in Initialization
5
Unused
6
If set, Command Mode is Selected
7
Unused
Example: The Status channel output in ASCII Decimal is "120
Octal Digit
Binary Equivalent
Status Bit #
Watson Industries, Inc.
Label
TM
XR
TP
FL
ST
BT
0
2
0
0
0
1
7
6
5
4
No Checksum Error
Angular Rate Out Range (>400 º/s)
No BIT Error
Unit Temp in Range (-40º to +85º C)
1
2
0
1
0
1
7
6
5
4
12
Full Scale Decimal
65535
±399.99 º/s
-40º to 88ºC
3 ASCII chars representing Octal
digits
3 ASCII chars representing Octal
digits
3 ASCII chars representing Octal
digits
0
0
0
0
3
2
1
0
0
0
0
3
2
1
ARS-G152 Rev A 05/02/2019
Full Scale Binary
16383
±400 º/s
-40º to 88ºC (7 bit)
1 byte
1 byte
1 byte
0
0
0
0
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