National Instruments 370578B-01 用户手册

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页码 39
Glossary
G-4
ni.com
I
IEC 
International Electrotechnical Commission. A technical standards 
committee which is at the same level as the ISO.
K
Kbits
Kilobits.
Kernel
The set of programs in an operating system that implements basic 
system functions.
L
LabVIEW DSC
The LabVIEW Datalogging and Supervisory Control (DSC) 
Module builds on the power of LabVIEW for high channel count 
and distributed applications. It adds easy networking, channel and 
I/O management, alarm and event management, historical 
datalogging, real-time trending, and OPC integration to the 
LabVIEW environment.
Link
A Foundation Fieldbus network is made up of devices connected by 
a serial bus. This serial bus is called a link (also known as a segment). 
Link Active Scheduler
The Fieldbus device that is currently controlling access to the 
Fieldbus. A device that is responsible for keeping a link operational. 
The LAS executes the link schedule, circulates tokens, distributes 
time, and probes for new devices.
Link master device
A device that is capable of becoming the LAS.
Live list
The list of all devices that are properly responding to the Pass Token.
Lookout
National Instruments Lookout is a full-featured object-based 
automation software system that delivers unparalleled power and 
ease of use in demanding industrial measurement and automation 
applications.
Loop
See 
.
M
Mode
Type of communication.