Campbell Scientific CR6 CR6 Measurement and Control System - Page 499
IPTrace, CS I/O
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Section 11. Glossary Final Data Storage (Output to Memory) Processing (p. 520) for a list of instructions that use intermediate storage. Intermediate storage is accessible only through use of these instructions. Term. IP Internet Protocol. A TCP/IP internet protocol. Term. IP address A unique address for a device on the internet. Term. IP trace IP trace is a CR6 function associated with IP data transmissions. In the evolution of the CR6 operating system, IP trace information was originally accessed through the CRBasic instruction IPTrace() (p. 291) and stored in a string variable. As the operating system progressed, the need for a more convenient repository arose. As a result, the Files Manager setting (p. 581) was modified to allow for the creation of a file on a CR6 memory drive, such as USR:, to store IP trace information in a ring memory format. Term. isolation Hardwire telecommunication devices and cables can serve as alternate paths to earth ground and entry points into the CR6 for electromagnetic noise. Alternate paths to ground and electromagnetic noise can cause measurement errors. Using opto-couplers in a connecting device allows telecommunication signals to pass, but breaks alternate ground paths and may filter some electromagnetic noise. Campbell Scientific offers optically isolated RS-232 to CS I/O interfaces as a CR6 accessory for use on the CS I/O port. Refer to the appendix Serial I/O Modules List (p. 596) for model information. Term. JSON acronym for Java Script Object Notation Term. "keep" memory Memory preserved through reset due to power-up and program start-up. Non-volatile memory in which are stored settings such as PakBus address, station name, beacon intervals, neighbor lists, etc. Also stores dynamic properties such as the routing table, communication timeouts, etc. Term. keyboard display The CR1000KD is an optional keyboard display for use as a peripheral with the CR6 datalogger. Term. lf Line feed 499
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