KVH Industries 1775 IMU User Manual

56-0298 Rev. B
This document contains proprietary information of KVH Industries, Inc. and neither this document nor said proprietary information shall be
published, reproduced, copied, disclosed, or used for any purpose without the express written permission of a duly authorized KVH
representative.
Page 14 of 77
Table 5-1: Normal Operating Mode Message Format A
(Default binary data output format)
Item
Byte
Numbers
Description
Header
1-4
Always 0xFE81FF55 (transmitted 0xFE first)
Message Data
5-32
(refer to Table 5-2)
CRC (Cyclic
Redundancy Check)
33-36
(refer to Table 5-9)
TOTAL
36
Table 5-2: Normal Operating Mode Data Format A
(Default binary data output format)
Datum
Byte
Numbers
Data
Type*
Units
Notes
X rotational data
5,6,7,8
SPFP
Radians or
degrees,
selectable
MSB (Byte 5) is output first;
delta angle or rate of rotation,
selectable
Y rotational data
9,10,11,12
SPFP
Radians or
degrees,
selectable
MSB (Byte 9) is output first;
delta angle or rate of rotation,
selectable
Z rotational data
13,14,15,16
SPFP
Radians or
degrees,
selectable
MSB (Byte 13) is output first;
delta angle or rate of rotation,
selectable
X Acceleration
17,18,19,20
SPFP
g
MSB (Byte 17) is output first
Y Acceleration
21,22,23,24
SPFP
g
MSB (Byte 21) is output first
Z Acceleration
25,26,27,28
SPFP
g
MSB (Byte 25) is output first
Status
29
DISC
1 = valid data
0 = invalid data
(refer to Table 5-8)
Sequence number
30
UINT8
0-127
Increments for each message
and resets to 0 after 127
Temperature
31,32
INT16
°C, 1/100 °C,
°F, 1/100 °F,
selectable
* SPFP = Single Precision Floating Point (IEEE-754 Big-endian format); DISC = Discrete Data; UINT8 =
Unsigned 8-bit integer; INT16 = Signed 16-bit integer

KVH Industries 1775 IMU Specifications

General

Brand	KVH Industries
Model	1775 IMU
Category	Measuring Instruments
Language	English