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MicroMet Manual Pg. 1

Conventions Used in This Manual

MicroMet and CR10X commands are printed in bold face for clarity.

‘Warning:’ indicates that a command or configuration change could have an adverse

affect on system performance.

MicroMet command parameter options are shown in square brackets to indicate that

they are indeed optional. Required parameters are not shown in brackets.

About MicroMet

The MicroMet MBTU10X is designed to transport data, gathered by a Campbell

Scientific CR10X Datalogger, across the AMBCS Meteor Burst Data network. The

MicroMet MBTU10X is very simply a data modem. It does no data collection or data

manipulation or data validation. Any data received from the CR10X will be cheerfully

passed along to AMBCS. The CR10X program contains some programming that is

specific to the MicroMet transport system. As with any data transport system there are

some rules that must be adhered to, if data is to be successfully transported to the

desired destination. The rules are simple:

1. Data reports are received from the CR10X via a data cable connected between the

CR10X 9 pin CS I/O connector and the MicroMet 10 pin IDC J4 connector. We

provide that cable for you. This connection is set in the MicroMet to operate at 1200

baud and the CR10X will adapt to that rate.

2. Data reports consist of a comma delimited string containing the storage area ID of

444, the Julian date, the time in HHMM format, and from one to sixteen data points.

The string is terminated with a carriage return. A report as follows:

444,123,0000,1253,0,4000 is from day 123 at midnight and has three sensors 1253,

0, and 4000.

3. Data points are integers in the range of 0 through 4095. Negative numbers are

given the value of zero. Real numbers are truncated at the decimal point. (123.123

becomes 123) Numbers greater than 4095 are given the value of 4095.

4. The CR10X time must be set to Alaska Standard Time.

With these rules in mind, the CR10X may be programmed to send reports at any

interval, but the data must be scaled to the correct integer size. You can observe the

data messages generated by the CR10X either by using the PC208W terminal tab or by

observing them as they pass through the MicroMet unit (verbose 5 command).

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Campbell PC208W Manual de usuario Pagina 4