background image

 

 
 
The STU can achieve different qualities of location fix.  It reports this quality level by 
reporting how many satellites were used in the solution.  The more satellites used, the better 
the location precision.  If six or more satellites are used in the solution, then it will be 
accurate to 10 meters 95% of the time.  Solutions with less than six satellites may be less 
accurate and solutions with only three satellites may have degraded location and/or speed 
precision. 

 

STU Reporting Types 
The STU will report 5 ways as follows: 
1.

 

Timed report (ever 2 hours when not moving) 

2.

 

Move Begin or Move End messages 

3.

 

Move Timed (default=every 60 min for STU/I and every 15 min for all others).  
Can configure up to every 10 minutes. 

4.

 

Sensor Alarms (dependent on if any sensors purchased) 
 

Timed Reports – A message to update the location of the STU and asset to which it 
is attached when stationary.   
Move Begin Reports – A message to update the location of the STU and to report 
that the STU has started moving. 
Move End Report – A message to update the location of the STU and to report that 
the STU has stopped moving. 
Move Timed Report – A message to update the location of the STU while it is 
moving. 
Sensor Alarms – A message to alert you of a sensor alarm. Messages include: 
Impact Alarm, RF Trigger, Digital 1 Alarm, Digital 2 Alarm, Temperature Alarm  

 

 

STU Data 
The STU will report the data listed below. More information on the data can be seen in the 
website/administration manual. Additional information will be reported if sensors were 
purchased. 

1.

 

Message origination date/time (time stamp from the STU for the event) 

2.

 

Unit/Asset name 

3.

 

Message type 

4.

 

Latitude and longitude 

5.

 

Speed 

6.

 

Max Speed 

7.

 

Course 

8.

 

Nearest Town, state/province, country (Geography) 

9.

 

System voltage 

10.

 

Messages in queue 

11.

 

Odometer 

12.

 

Firmware version 

 

 
 
 
 

Содержание Solar Tracking Unit

Страница 1: ...ing Unit STU With Sensor Options User s Guide and Installation Instructions Version 1 1 A X13000 May 28 2009 LAT LON LLC 4251 S Natches Court Unit C Sheridan CO 80110 877 300 6566 Phone 303 531 5754 F...

Страница 2: ...S This product contains commodities technology or software that fall within the Export Administration regulations Diversion contrary to U S law is prohibited FCC NOTICE This equipment has been tested...

Страница 3: ...unshielded cables is likely to result in interference to radio and TV reception The user is cautioned that changes and modifications made to the equipment without the approval of manufacturer could v...

Страница 4: ...TU ELECTRICAL SPECIFICATIONS 10 MECHANICAL SPECIFICATIONS 10 STU FUNCTIONAL SPECIFICATIONS 10 OPTIONAL SENSORS 11 STU IMPACT DETECTION 11 STU I MOUNTING INSTRUCTIONS 13 STU RF WIRELESS SENSORS 14 RF W...

Страница 5: ...eivers such as the STU use the GPS satellite system to get their latitude and longitude position as well as exact time GPS satellites transmit data to GPS receivers on earth GPS satellites do not rece...

Страница 6: ...5 is a self contained unit that includes everything that is required to track an asset The unit contains an internal GPS and data communication antenna a GPS receiver a data communications radio a rec...

Страница 7: ...then the unit will store the message and try to send it out at the next report time The two possible reasons that a message will not be sent immediately are 1 The unit can not communicate with a cell...

Страница 8: ...pdate the location of the STU and asset to which it is attached when stationary Move Begin Reports A message to update the location of the STU and to report that the STU has started moving Move End Re...

Страница 9: ...nough power to run the unit 3 Determine mounting location on asset A suitable mounting location has the following A Provides exposure to the sun B Provides a relatively flat surface for attaching syst...

Страница 10: ...energy storage Dual 0 9 Watt 24 cell solar panels MECHANICAL SPECIFICATIONS STU Size 9 2 x 6 8 x 4 25 Weight 2 lbs Screw Mounting 4 10 x self drilling screws STU FUNCTIONAL SPECIFICATIONS Reporting fr...

Страница 11: ...ge during this type of impact Delta Velocity or DV is the sum of the accelerations during the impact event More technically it is the integral of the acceleration over time The DV measures the net cha...

Страница 12: ...The ALARM event will give you the following information Time of the event GPS coordinates including nearest town X axis G force and DV in 10Hz and 100Hz filtering Y axis G force and DV in 10Hz and 100...

Страница 13: ...not always possible therefore a good rule of thumb would be to have at least 6 feet of clearance in front of the STU in order to avoid reception problems J Is a structurally rigged and solid part of t...

Страница 14: ...STU The STU can be set to send out a report on the receipt of each RF message over the air configurable The STU can also be set to take a picture on the receipt of a digital change of state RF message...

Страница 15: ...ible to the STU RF The maximum range is about 60 feet RF sensors have a serial number and are keyed to a STU RF Make sure you mount the correct RF sensors with the correct STU RF RF sensors and the ST...

Страница 16: ...digital change of state example door open Camera STU Infrared LED info The STU can illuminate a night shot up to about 20 feet away Cannot be seen by a human when on Only come on during the process o...

Страница 17: ...ot installing right away If the internal batteries are completely dead then the STU will require at least 1 to 3 hours in the sun to start reporting and 24 to 48 hours of sun to charge its internal ba...

Страница 18: ...eet of clearance in front of the STU in order to avoid reception problems Q It is important to have the camera lens pointing in the correct direction as well as the correct level to insure a good pict...

Отзывы: