User Guide

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LMU-3x40 Training Guide
Revision & Date
1.6 – 03/24/2021
LMU-3030
LMU-3040
LMU-3240
PEG Accumulators
32
254
254
PEG Timers
32
254
254
PEG Condition Groups
8
32
32
PEG TimeDate Masks
8
10
10
PEG Event Lines/Pages
500/2
Peg2 Script
Peg2 Script
PEG Zones
32
32
32
6.11 GPS
Some of the notable differences between GPS operation are indicated inthe following table.
LMU-3030
LMU-3040/LMU-3240
GPS Sample Rate
4hz
5hz
Differential GPS
Available
Not Available
SBAS
Available
Available
Assisted GPS
Available (UBLOX)
Available (QCOM)
URL: http://xtrapath1.izatcloud.net/xtra3grc.bin
Important Note: If you are using private data plans, it is important to open a tunnel to ensure the
GPS Assist URLs can be resolved.
6.12 Motion Logs (4hz vs 5hz GPS Sample Rate)
Since there is a difference in the GPS update rate (4Hz vs. 5Hz) between the LMU32 and
EdgeCore products, there is an impact on the sampling in some of the pre-defined motion logs.
On an EdgeCore platform the Short Motion Log types 0-4 samples at a fixed interval of 200mS
while on the LMU-3030 the sample interval is 250mS. This causes the motion log buffer to fill up
faster.
The Short Motion Logs Types are defined on Calamp’s wiki site:
https://puls.calamp.com/wiki/Accelerometer_App_Note#Long_Type_0_.28Record_Type_1.29
6.13 Time Sync Precedence
The possible time sources for syncing the system clock is slightly different between the product
types. Both are listed below in order of precedence.
LMU-3030
LMU-3040/3240
GPS 3D Fix (highest priority)
GPS 3D Fix (highest priority)
Real Time Clock (RTC)
Real Time Clock (RTC)
GPS Fix (2D-Fix)
N/A
Time Server
N/A
Network Time
Network Time
No Time Sync Available
No Time Sync Available