desiccant
A hygroscopic material that absorbs water vapor from the surrounding air. When placed in a
sealed enclosure, such as a data logger enclosure, it prevents condensation.
Device Configuration Utility
Software tool used to set up data loggers and peripherals, and to configure PakBus settings
before those devices are deployed in the field and/or added to networks. Also called
DevConfig.
DHCP
Dynamic Host Configuration Protocol. A TCP/IP application protocol.
differential
A sensor or measurement terminal wherein the analog voltage signal is carried on two wires.
The phenomenon measured is proportional to the difference in voltage between the two
wires.
Dim
A CRBasic command for declaring and dimensioning variables. Variables declared with Dim
remain hidden during data logger operations.
dimension
To code a CRBasic program for a variable array as shown in the following examples: DIM
example(3) creates the three variables example(1), example(2), and example(3); DIM
example(3,3) creates nine variables; DIM example(3,3,3) creates 27 variables.
DNP3
Distributed Network Protocol is a set of communications protocols used between
components in process automation systems. Its main use is in utilities such as electric and
water companies.
DNS
Domain name server. A TCP/IP application protocol.
Appendix C. Glossary266
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