Alien Technology LLC B2450R01 ユーザーズマニュアル

Time Commands – Text Based 

 
The time at which tags are read by a reader is particularly important for many 
applications. For this reason, the reader has three time commands to ensure that 
the onboard real-time clock is always set accurately. 
 
G

 
These commands allow the current time to be assigned to or retrieved from the 
reader.  
 

•  Times used by this command are always specified in local time, as defined 

by the TimeZone command.  
 

•  Times are always specified by the format YYYY/MM/DD hh:mm:ss.  
 
NOTE: Changes made with this command will take effect immediately. 
 

Command 
Response 

>Get Time 
>Time = 2002/6/3 9:23:01  

 

>Set Time = 2002/6/3 19:23:01 
>Time = 2002/6/3 19:23:01 

 
G

 
These commands allow the current time zone to be assigned to or retrieved from 
the reader. The time zone specifies the number of hours that must be added to or 
subtracted from UTC (Coordinated Universal Time; also known as GMT or Zulu) 
to determine a local time reference.  
 
For example, to convert from UTC to Pacific Standard Time, set the TimeZone to 
–8. To convert from UTC to Pacific Daylight Time, set the TimeZone to –7.  
 

•  The default setting for this command is -7 hours (Pacific Daylight Time) 

because PDT is UTC time minus 7 hours. 

 

•  For more information about time zones, servers and UTC, refer to the 

Website listed under the Get/Set TimeServer command. 

 
The TimeZone parameter is only useful if the TimeServer is used to automatically 
set the system clock. In this case, the TimeServer always retrieves the time in 
UTC format and will need to be offset to reflect local time using this parameter. 
 
NOTE: Changes made with this command will take effect immediately. 
 
 
 
 
 
 

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