Installation guide

LMU Users Guide
V1.0.6 December 10 2009
Copyright ©CalAmp DataCom Inc 2009
- 93 - CalAmp Proprietary & Confidential
90.0000000
±EEEFFFFFFF
Dec Deg
000.0000000 –
180.0000000
Longitude to 7 decimal places
±GGGGGGHH
Feet
000000.00 –
999999.99
Altitude relative to mean sea level
IIIJ
MPH
000.0 – 999.9
Horizontal Speed
±KKKL
MPH
000.0 – 999.9
Vertical Speed
MMMN
Deg
000.0 – 359.9
Heading
OO
NA
00 – 32
Number of Satellites Used
PP
NA
01 – 32
Satellite ID
QQ
NA
00 – FF
IODE (2 digit hex)
RRRRRRRRRR
NA
‘ ‘
Reserved, generally set to a space
S
NA
0 = 2D GPS
1 = 3D GPS
9 = Unknown
Fix Status
T
NA
0 = No Fix
1 = Last Known
2 = Real-time
Age of Fix
12.1.4 IO (Input / Output) Sentence Structure
The general structure for the message body of a IO sentence is as follows:
IOAABBCCDD
Format
Units
Range
Description
IO
NA
NA
IO Message Identifier
AA
NA
00 or FF
00 = Ignition Off
FF = Ignition On
BB
NA
00 or FF
00 = Input 1 Low
FF = Input 1 High
CC
mV
00 – FF
A/D 0 Reading
DD
NA
00 or FF
00 = Output 0 Cleared
FF = Output 0 Set
12.1.5 Optional Fields
The CalAmp LMU implementation of TAIP offers a several optional fields which can be
appended to the end of a TAIP message but before the ‘<’ character. Each field will be
separated by a semi-colon (;).and will appear at the end of a sentence in the following order:
• TAIP Vehicle ID
• Event Code
• Input States
• Accumulator Values
• Checksum
12.1.5.1 TAIP Vehicle ID
The TAIP Vehicle Identification (ID), consists of four numeric characters which may be
optionally tagged to all inbound messages. This allows the receiving application to