National Instruments 370578B-01 用户手册

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G-1
Glossary
A
Alarm
A notification the NI-FBUS Communications Manager software 
sends when it detects that a block leaves or returns to a particular 
state.
API
See Application Programmer Interface.
Application
Function blocks.
Application Programmer 
Interface
A message format that an application uses to communicate with 
another entity that provides services to it.
Asynchronous
Communication that occurs at times that are not predetermined.
B
Bank
The combination of one FieldPoint network module and one or more 
terminal bases and I/O modules.
Basic device
A device that can communicate on the Fieldbus, but cannot become 
the LAS.
Block
A logical software unit that makes up one named copy of a block and 
the associated parameters its block type specifies. The values of the 
parameters persist from one invocation of the block to the next. It can 
be a resource block, transducer block, or function block residing 
within a virtual field device.
Bus
The group of conductors that interconnect individual circuitry in a 
computer. Typically, a bus is the expansion vehicle to which I/O or 
other devices are connected. Examples of PC buses are the ISA and 
PCI buses.
Bus scheduler
See