Allen-Bradley AADvance T9110, Руководство по безопасности

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122 Rockwell Automation Publication ICSTT-RM446N-EN-P - April 2018
Glossary
cross reference Information calculated by the AADvance Workbench relating to the
dictionary of variables and where those variables are used in a project.
D
data access (DA) An OPC data type that provides real-time data from AADvance controllers to
OPC clients.
de-energize to action A safety instrumented function circuit where the devices are energized under
normal operation. Removal of power de-activates the field devices.
dictionary The set of internal input and output variables and defined words used in a
program.
discrepancy A condition that exists if one or more of the elements disagree.
DITA Digital input termination assembly.
DOTA Digital output termination assembly.
E
element A set of input conditioning, application processing and output conditioning.
energize to action A safety instrumented function circuit where the outputs and devices are de-
energized under normal operation. Application of power activates the field
device.
EUC Equipment Under Control. The machinery, apparatus or plant used for
manufacturing, process, transportation, medical or other activities.
expansion cable assembly A flexible interconnection carrying bus signals and power supplies between
AADvance base units, available in a variety of lengths. Used in conjunction
with a cable socket assembly (at the left hand side of a base unit) and a cable
plug assembly (at the right hand side of a base unit).