Specifications

APPLICATION NOTE

Using the SUTRON RADAR LEVEL CONTROLLER (RLR-0002-1) with a MULTI-MODEM GPRS

(Wireless Modem MTCBA-G-F4)

System replies with “Hello”

LAST

Shows the last auto measured

reading.

LOG

This command is used to download the log. It can be followed by optional parameters indicating what part

of the log to download.

LOG with no parameters will download since last.

“LOG ALL” gets whole log.

“LOG X” gets X last days ("LOG 3" gets last 3 days worth of data)

“LOG timeStart” gets data since provided date

“LOG timeStart timeEnd” gets data between provided dates

time can be YYYY/MM/DD HH:MM:SS or YYYY/MM/DD or HH:MM:SS

e.g. "LOG 12:00:00 13:00:00"

e.g. "LOG 2006/01/20 12:00:00 2006/01/21 12:00:00"

The file name for the downloaded log has the format

Stationname_log_YYYYMMDD.csv where YYYYMMDD is the date of the first data in the log

file

The data in the log file consists of some header lines to document important station information followed

by data. The following are examples of the header lines :

Station Name, WDID, model and version, Measuring Point, Operating Mode, Avg Time, DQAP, Sample Form Period

Sutron Radar, 20003, RDR ver. 1.11, 48.24659 feet, Normal, 10.000 sec, Disabled, 1.0 sec

PWM Slope, Factory Offset, SigStrCal

0.75743, -2.216, 3.195

Discharge, Equation, Parshall Flume Width, Weir Coefficient W, Coefficient A, Coefficient B, Gauge Height Shift

Enabled, Generic: A*(Stage^B), 12 inches, 1, 1, 1.5, 0.1

The header lines are followed by data in the following format:

Name, Date, Time, Value, Units, Quality

The following are examples of the logged data:

Display On, 8/9/2007, 17:20:37

Display Off, 8/9/2007, 17:25:52

Stage, 8/9/2007, 17:30:00, -23.2459, feet

Setup Change, 8/9/2007, 17:30:40

Before Cal, 8/9/2007, 17:30:40, -23.2466

After Cal, 8/9/2007, 17:30:40, 25

Stage, 8/9/2007, 17:45:00, 24.9958, feet

Stage, 8/9/2007, 18:00:00, 24.9963, feet

Stage, 8/9/2007, 18:15:00, 24.9994, feet

Stage, 8/9/2007, 18:30:00, 25.006, feet

Stage, 8/9/2007, 18:45:00, 24.9952, feet

Stage, 8/9/2007, 19:00:00, 25.0002, feet

Bringing the Benefits of Real-Time Data Collection to the World 32