Glossary
HSE Linking Device and NI-FBUS Software G-6 ni.com
R
Repeater Boost the signals to and from the further link.
Resource block A special block containing parameters that describe the operation of
the device and general characteristics of a device, such as
manufacturer and device name. Only one resource block per device is
allowed.
Roundcard A hardware interface for developing Foundation Fieldbus-compliant
devices.
S
sSeconds.
Segment See Link.
Server Device that receives a message request.
Service Services allow user applications to send messages to each other
across the Fieldbus using a standard set of message formats.
Session A communication path between an application and the NI-FBUS
Communications Manager.
Signal An extension of the IEEE 488.2 standard that defines a standard
programming command set and syntax for device-specific
operations.
Stack A set of hardware registers or a reserved amount of memory used for
calculations or to keep track of internal operations.
T
Tag A name you can define for a block, virtual field device, or device.
Termi nato r A device used to absorb the signal at the end of a wire.
Trend A Fieldbus object that allows a device to sample a process variable
periodically, then transmit a history of the values on the network.