Sutron Corporation X-Link Operations & Maintenance Manual, Rev 1.63 5/24/2016 pg. 114
9.
Logging
X-Link automatically logs some of the sensor data that it collects. Data is logged
on a secure flash chip with a capacity of approximately 240,000 entries. A log
entry looks like this:
04/02/2012,09:25:00,STAGE,20.50
Data is logged according to the
Logging Interval
(see the Setup section,
beginning page 68)
Data will
not
be lost if power is removed. Once the log is full, the oldest data
will be overwritten.
Only logged data may be transmitted.
X-Link logs events such as power up, log download, and setup change.
Each log entry consists of:
date and time (with a one-second resolution)
name (e.g. STAGE)
measurement reading (optional)
measurement quality (optional)
The format of logged data is the Sutron Standard CSV format, which was
introduced in the 2009. It is a format common to current Sutron products.
The general format specification for Sutron Standard CSV format is:
mm/dd/yyyy,hh:mm:ss,label,data[,units,qual][,label,da
ta[,units,qual]]
Here are four examples of log entries:
01/19/2010,09:21:49,Reset Powerup,1
01/19/2010,09:30:00,Stage,1.25,feet
01/19/2010,09:45:00,Stage,1.27,feet
01/19/2010,09:50:27,Setup Change
To help preserve data integrity and reliability, there is no way to erase data from
the log.
9.1.1.
Downloading the Log
Logged data can be downloaded using LinkComm or via a terminal program using
the LOG command.
