Chapter 1
Introduction
©
National Instruments Corporation
1-3
GPIB-ENET for MacOS
handle the communication with your instrument so that you do not have
to learn the programming details.
For more information about LabVIEW, contact National Instruments.
Hardware Description
The GPIB-ENET transparently handles data transfers between an
Ethernet-based TCP/IP host and the GPIB. With the GPIB-ENET,
multiple hosts can share a set of GPIB instruments or a single host can
control several GPIB systems.
The GPIB-ENET converts a computer equipped with an NI-488.2 driver
and an Ethernet port into a GPIB Talker/Listener/Controller. The
GPIB-ENET is powered by a 100 to 120 VAC or 220 to 240 VAC
supply.
The GPIB-ENET has all the software and logic required to implement
the physical and electrical characteristics of all versions of the
ANSI/IEEE 488 standard, including ANSI/IEEE Standard 488.2-1987,
and ANSI/IEEE Standard 802.3. The GPIB-ENET interprets and
executes commands that you send to it over an Ethernet link and
performs all necessary Ethernet-to-GPIB protocol conversions.
Top Panel LEDs
Figure 1-1 shows the top panel of the GPIB-ENET. Seven status
light-emitting diodes (LEDs) are mounted on the GPIB-ENET top
panel. The LEDs show the current status of the GPIB-ENET at all times.
Figure 1-1.
GPIB-ENET Top Panel
GPIB-ENET
ETHERNET
IEEE 488 Controller
POWER READY
TALK
LISTEN
TRANSMIT RECEIVE LINK
Ethernet AUI
Connector
Location of Coax or
10Base-T Connector
(Depending on Version)
GPIB Connector
