Signal Output
Instrument network (INET)
Figure
Sampler
IN OUT
S/ECM
OUT IN
OUT IN
5890
HP 5890 SERIES II Gas Chromatograph | Controller & Integrator |
Typical INET Loop
Each INET must have one (and only one) device defined as the controller. The controller is responsible for network configuration when the network is first connected and powered on.
The controller then retains this status for subsequent loop operations, maintaining its responsibility as network traffic manager. Note that the device defined as controller usually has other capabilities.
The controller assigns addresses to each device on the loop, and configures them to operate in orderly fashion. In addition, the controller provides user access to the network configuration so desired changes can be made.
For a typical analytical system, the default, automatic configuration should be acceptable in most cases. For specific information regarding
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