Term. Short Cut software
A CRBasic program wizard suitable for many CR1000 applications.
Knowledge of CRBasic is not required to use Short Cut. It is available at no
charge at www.campbellsci.com.
Term. SI (Système Internationale)
The uniform international system of metric units. Specifies accepted units of
measure.
Term. signature
A number which is a function of the data and the sequence of data in
memory. It is derived using an algorithm that assures a 99.998% probability
that if either the data or the data sequence changes, the signature changes.
See sections Security — Overview
(p. 92) and Signatures (p. 472).
Term. single-ended
A serial communication protocol. One-direction data only. Serial
communications between a serial sensor and the CR1000 may be simplex.
Reading list: simplex
(p. 528), duplex (p. 248), half-duplex (p. 517), and full-duplex
(p. 516).
Term. single-ended
Denotes a sensor or measurement terminal wherein the analog-voltage signal
is carried on a single lead and measured with respect to ground (0 V).
Term. skipped scans
Occur when the CRBasic program is too long for the scan interval. Skipped
scans can cause errors in pulse measurements.
Term. slow sequence
A usually slower secondary scan in the CRBasic program. The main scan has
priority over a slow sequence.
Term. SMTP
Simple Mail Transfer Protocol. A TCP/IP application protocol.
Term. SNP
Snapshot file
Term. SP
Space
Term. state
Whether a device is on or off.
528
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