Campbell Scientific CR1000KD CR1000 Measurement and Control System - Page 460

Section 11. Glossary 460 Null‐modem A device, usually a multi‐conductor cable, which converts an RS‐232 port from DCE to DTE or from DTE to DCE. offset a term, often a parameter in a CRBasic measurement instruction, to designate the y‐intercept, shifting factor, or zeroing factor in a linear function. For example, when converting °C to °F, the equation is °F = °C*1.8 + 32. The factor 32 is the offset. Ohm The unit of resistance. Symbol is the Greek letter Omega (Ω). 1.0 Ω equals the ratio of 1.0 Volt divided by 1.0 Amp. Ohm's Law Describes the relationship of current and resistance to voltage. Voltage equals the product of current and resistance (V = I*R). on‐line data transfer Routine transfer of data to a peripheral left on‐site. Transfer is controlled by the program entered in the datalogger. operating system The operating system (also known as "firmware") is a set of instructions that controls the basic functions of the CR1000 and enables the use of user written CRBasic programs. The operating system is preloaded into the CR1000 at the factory but can be re‐loaded or upgraded by the CR1000 user using Device Configuration Utility (p. 92) software. The most recent CR1000 operating system file is available at www.campbellsci.com. output A loosely applied term. Denotes a) the information carrier generated by an electronic sensor, b) the transfer of data from variable storage to final storage, or c) the transfer of power from the CR1000 or a peripheral to another device. output array A string of data values output to final storage. Output occurs when the data table output trigger is true.