Monitor User Manual NI-FBUS

Glossary
© National Instruments Corporation G-3 NI-FBUS Monitor User Manual
Fieldbus Data Link
layer
The second lowest layer of the fieldbus communications stack.
Fieldbus Messaging
Specification layer
The layer of the communication stack that defines a model for applications
to interact over the fieldbus. The services FMS provides allow you to
read and write information about the OD, read and write the data
variables described in the OD, and perform other activities such as
uploading/downloading data, and invoking programs inside a device.
filter A software screening device you configure to make the NI-FBUS Monitor
capture only certain types of data that move across the fieldbus.
Filter window A window inside the main window of the NI-FBUS Monitor that shows
captured data with selected data filtered out.
FMS See Fieldbus Messaging Specification layer.
H
hex Hexadecimal.
Hz Hertz.
I
I/O Input/output.
IRQ Interrupt request.
ISA Industry Standard Architecture..
L
layer See Communication Stack.
M
MDI See Multiple Document Interface.
Multiple Document
Interface
A software interface that contains many smaller windows open
concurrently that display data from different sources.