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CR1000 Manual - Campbell Scientific

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Section 11. Glossary<br />

support software<br />

Includes PC200W, PC400, RTDAQ, LoggerNet, and LoggerNet clients.<br />

Brief descriptions are found in Datalogger Support Software (p. 77). A<br />

complete listing of datalogger support software available from <strong>Campbell</strong><br />

<strong>Scientific</strong> can be found in the appendix Software (p. 569). Software<br />

manuals can be found at www.campbellsci.com.<br />

synchronous<br />

The transmission of data between a transmitting and a receiving device<br />

occurs as a series of zeros and ones. For the data to be "read" correctly,<br />

the receiving device must begin reading at the proper point in the<br />

series. In synchronous communication, this coordination is<br />

accomplished by synchronizing the transmitting and receiving devices to<br />

a common clock signal (see Asynchronous (p. 447) ).<br />

system time<br />

When time functions are run outside the Scan() / NextScan construct,<br />

the time registered by the instruction will be based on the system clock,<br />

which has a 10‐ms resolution. See scan time (p. 464).<br />

task<br />

1) Grouping of CRBasic program instructions by the <strong>CR1000</strong>. Tasks<br />

include measurement, SDM, and processing. Tasks are prioritized by a<br />

<strong>CR1000</strong> operating in pipeline mode. 2) A user‐customized function<br />

defined through LoggerNet Task Master.<br />

TCP/IP<br />

Transmission Control Protocol / Internet Protocol.<br />

Telnet<br />

A software utility that attempts to contact and interrogate another<br />

specific device in a network.<br />

constant<br />

A terminal is the point at which a single wire connects to a wiring panel<br />

or connector. Terminals are usually secured with small screw‐ or springloaded<br />

clamps. See connector (p. 450).<br />

terminal emulator<br />

A command‐line shell that facilitates the issuance of low‐level<br />

commands to a datalogger or some other compatible device. A<br />

468

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