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TVP Manual (full) March 2007 CE rev 03.doc
2.44 Changing the logging interval (li)
Type li return when in the “>Calibrate Active” mode and you will be prompted to enter a
logging interval between 1 and 1000 seconds. Logging only occurs when the unit is in verbose
mode.
2.45 Data logging
The data logging function works even when the RS232 link is not activated, however the
RS232 link must be opened to activate the logging mode.
Type “v enter” the unit is now in verbose mode and data logging. The rate at which logging
occurs is defined by the Logging Interval function li under “cal2309”.
The data appears in columns in the following order.
Discharge pressure, Suction Pressure, Coil in, Coil out, Water Temp, Coldest Temp
The data logged file is comma and space delimited and may be saved as such and then
imported into excel or other data processing package.
Hyper terminal can only carry 500 lines of text when data logging a system where more than
500 readings will be made the file can be written to a text file using the data capture feature
of hyper terminal.