semaphore TBOX LT2-530 Series, User Manual, Page: 134 / 197

Version : 1.09 134
14.3. The sampling tables
Type:
TB
OX
LT2
records data internaly on a minimum time-base of 1 second. After the period
selected (see next) the selected type of data (min., max., ..)is recorded.
This value can be:
-
Minimum : minimum value during the period.
-
Maximum : maximum value during the period.
-
Average : arithmetic average value calculated during the period. For each period a
new average is calculated.
Tag format Limitation in recording
8 bits All periods accepted
16 bits Period limited to 12 hours
32 bits Not available
Float All periods accepted
-
Instantaneous : value at the moment of the recording.
-
Incremental :
TB
OX
LT2
records the difference between the current value and previously
recorded value.
Example of incremental recording:
Value of the Tag 865 878 902 905 965 985
Incremental value recorded … 13 24 3 60 20
Period: Period between 2 recordings. You may choose between:
1sec; 2sec; 4sec; 5sec; 10sec; 15sec; 30sec; 1min; 2min; 4min; 5min; 10min; 15min; 30min; 1h; 2h;
4h; 6h; 12h; 24h; 48h; daily; weekly; monthly.
The recording happens at ‘birthday’ time of the period selected.
Example: if you select as period 5 minutes, the recording will be done at:
9:25:00; 9:30:00; 9:35:00; 9:40:00 ...
Period Period Period Period Period Period