Siemens XT55 AVL 사용자 설명서

XT55 AVL User’s Guide 
Confidential/Released 

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XT55_avl_ug_V03 

Page 16 of 37 

28.06.2004 

The following example explains how to use filters for time, distance and speed. The 
respective minimum values for time, speed and distance have an AND-operation. This 
means that if only one value does not apply, all three values are ignored and not saved in the 
history. 
The maximum values have an OR-operation. If one of the maximum parameters has been 
met, the GPS protocols will be saved in the GPS history. 
According to the flow chart given in Figure 11 either all minimum parameter or at least one 
maximum parameter must be exceeded in order to store the NMEA messages in the GPS 
history.  
If all values are set to 0, no data will be saved in the history. 

Table 1: Conditions for saving data in the GPS history 

Time filter 

 

Distance filter 

 

Speed filter 

FixMinTime (sec) 

AND 

Dist.Min(m) 

AND 

SpeedMin(km/h) 

FixMaxTime (sec) 

OR 

Dist.Max(m) 

OR 

SpeedMax(km/h) 

Combination of both 

OR 

 

Storing of protocol 

 

Table 2: Programming example 

 

Logs every 10 sec. 

0 

10 

0 

0 

0 

0 

Logs every 100 m 

0 

0 

0 

100 

0 

0 

Logs at speed 
 

≥ 40 km/h 

0 

0 

0 

0 

0 

40