Instrument Network (Inet); The Controller - HP 5890 Series II Plus Reference Manual

Hewlett-packard reference manual
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Signal Output

Instrument network (INET)

Instrument network (INET)
The Instrument Network (INET) is a path for various devices to
communicate with each other (data and/or commands). INET permits a
group of devices (consisting of a controller, and some number of data
Producers and data Consumers) to function as a single, unified
system.
INET permits:
Management of active workspace (described below) among
instruments, a controller, and storage and print media.
Sharing of run and readiness conditions among INET instruments.
Sharing of setpoint and parameter information among INET
instruments.
Automation of data collection, sample tracking, and report generation.
Note: In default operation the HP 5890 supplies only Signal 1 data to
the INET loop. That is, HP 5890 data supplied to the INET loop is
defined according to the assignment made via
data instead, signal reassignment is done at the HP 5890.

The controller

INET is a series•connectedloop of devices, with the output of each device
connected to the input of the next. A message sent from a particular
device travels around the loop, returning to the same instrument as
confirmation of transmission. Thus, the loop must be continuous, and all
devices must be on for the loop to function.
. To use Signal 2
SIG 1
79

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