semaphore TBOX LT2-530 Series, User Manual, Page: 179 / 197

Version : 1.09 179
B.3. System variables associated
Some System Variables of
TB
OX
LT2
are associated to the Time. They can be used in BASIC/Ladder
programming to execute specific operations:
Type
Variable Comment
Analog Second,
Minutes, … 6 Registers giving the time in hour, minute, second, day, month and
year.
Analog UtcTim Time in UTC format (number of seconds since 1/1/1970 at Greenwich
latitude)
Analog ZonBia Time difference in seconds between local time and UTC time
Analog ZonID ID of the zone where RTU is installed. It uses regional settings of the PC
B.4. Summary
Summary of time handling in the different cases:
1. System variables in the RTU They display the local time where the RTU is installed, according to the
Regional settings declared in the “General” RTU properties
2. Identification from TWinSoft The UTC time is computed according to Regional settings of the PC
3. List of alarms in a report The time is computed according to RTU local time (see 1. above)
4. List of alarms in TWinSoft See point 2. above
5. Object ‘Time’ in WebForm 1 See point 2. above
6. System variables in WebForm 1 Displays the value of the variables, as explained point 1. above