National Instruments Fieldbus User Manual
Page 33
Glossary
G-4
ni.com
Fieldbus network
address
Location of a board or device on the Fieldbus; theFieldbus node address.
Foundation Fieldbus
specification
Communications network specification created by the Fieldbus
Foundation.
G
ground
An intentional or accidental conducting path between an electrical system
or circuit and the earth or some conducting body acting in place of the earth.
A ground is often used as the common wiring point or reference in a circuit.
H
H1
31.25 kbit/second type of Fieldbus.
HotPnP
Hot Plug and Play.
HSE
High Speed Ethernet.
HSE-LD
High Speed Ethernet linking device.
Hz Hertz.
I
I/O
Input/output.
IEC
International Electrotechnical Commission. A technical standards
committee at the same level of ISO.
ISA
Industry Standard Architecture.
isolation
Type of signal conditioning in which the transducer signals are isolated
from the computer for safety purposes. This protects you and your
computer from large voltage spikes and makes sure the measurements from
the devices are not affected by differences in ground potential.