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Campbell Scientific CR200/CR200X-series Dataloggers User Manual

Page 175

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Appendix A. Glossary

datalogger support software

Includes PC200W, PC400, RTDAQ, LoggerNet

data point

A data value which is sent to Final Storage as the result of an output

processing (data storage) instruction. Strings of data points output at the

same time make up a record in a data table.

DC

See VDC.

DCE

Data communications equipment. While the term has much wider meaning,

in the limited context of practical use with the CR200(X), it denotes the pin

configuration, gender and function of an RS-232 port. The RS-232 port on

the CR200(X) and on many 3

rd

party telecommunications devices, such as a

digital cellular modems, are DCE. Interfacing a DCE device to a DCE

device requires a null-modem cable.

desiccant

A material that absorbs water vapor to dry the surrounding air.

DevConfig

Device Configuration Utility, available with LN, PC400, or from the CSI

website.

differential

A sensor or measurement terminal wherein the analog voltage signal is

carried on two leads. The phenomenon measured is proportional to the

difference in voltage between the two leads.

digital

Numerically presented data.

Dim

A CRBASIC command for declaring and dimensioning variables. Variables

declared with DIM remain hidden during datalogger operation.

DTE

While the term has much wider meaning, in the limited context of practical

use with the CR200(X), it denotes the pin configuration, gender and

function of an RS-232 port. The RS-232 port on the CR200(X) and on

many 3

rd

party telecommunications devices, such as a digital cellular

modems, are DCE. Attachment of a null-modem cable to a DCE device

effectively converts it to a DTE device.

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