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20 Chapter 1
Introduction
E2050 Software/Firmware Architecture
The Gateway connects the local area network (LAN) from the computer
system to the GPIB bus. Network-equipped computer systems that are
supported for use with the Gateway include Series 700 workstations and
32-bit PCs. Following the client/server model of computing, the computer
system is the
client, and the E2050 LAN/GPIB Gateway acts as the server.
Thus, I/O applications running on the computer system can transparently
interface to GPIB-based instruments over the LAN. Since several computer
systems can access the LAN/GPIB Gateway, groups of users can share
access to the same GPIB instruments via the Gateway. In addition, existing
I/O applications that are supported with the LAN/GPIB Gateway and are
designed for GPIB can use the Gateway without modification beyond an
address change.
The Gateway and its attached GPIB instruments can be placed anywhere
on the network (rather than with a particular controller or server computer
system). This includes networks which span different geographic locations,
such as when networked computer systems are located at several different
sites. Hence, GPIB instruments can be located where they are most
convenient for I/O application users.
In addition, you can have more than one LAN/GPIB Gateway on a network,
providing “clusters” of GPIB instrumentation at different locations. This
further aids users in accessing the instrumentation they need for their
specific I/O applications.
Client - Server Configuration
Client System
GPIB bus
GPIB Instrument
Server
E2050
LAN