National Instruments 370578B-01 用户手册
Glossary
© National Instruments Corporation
G-5
N
Network address
The Fieldbus network address of a device.
Nifb.exe
The NIFB process that must be running in the background for you to
use your AT-FBUS or PCMCIA-FBUS interface to communicate
between the board and the Fieldbus.
use your AT-FBUS or PCMCIA-FBUS interface to communicate
between the board and the Fieldbus.
NI-FBUS API
The NI-FBUS Communications Manager.
NI-FBUS Communications
Manager
Manager
Software shipped with National Instruments Fieldbus interfaces that
lets you read and write values. It does not include configuration
capabilities.
lets you read and write values. It does not include configuration
capabilities.
NI-FBUS Configurator
National Instruments Fieldbus configuration software. With it, you
can set device addresses, clear devices, change modes, and read and
write to the devices.
can set device addresses, clear devices, change modes, and read and
write to the devices.
NI-FBUS Fieldbus
Configuration System
Configuration System
See NI-FBUS Configurator.
NI-FBUS process
Process that must be running in the background for you to use your
AT-FBUS or PCMCIA-FBUS interface to communicate between the
board and the Fieldbus.
AT-FBUS or PCMCIA-FBUS interface to communicate between the
board and the Fieldbus.
O
Object
An element of an object dictionary.
OPC
OLE for Process Control.
P
Parameter
One of a set of network-visible values that makes up a function block.
PC
Personal Computer.
Physical Layer
The layer of the communication stack that converts digital Fieldbus
messages from the communication stack to actual physical signals on
the Fieldbus transmission medium and vice versa.
messages from the communication stack to actual physical signals on
the Fieldbus transmission medium and vice versa.
PLC
See Programmable Logic Controller.
Programmable Logic
Controller
Controller
A device with multiple inputs and outputs that contains a program
you can alter.
you can alter.