1.8
SEL-2032
Communications Processor
Instruction Manual
Date Code 20120126
Introduction and Specifications
Integration With the SEL-2032
Benefits of the
SEL-2032
Solution
Supports Multiple Data Consumers
The elegance of the SEL solution is the capability of the SEL-2032 to supply
independent data or connections to different data consumers. For example, the
data that you send to the SCADA system may be different than the data that
you send to the HMI. The protocol and physical interface may also be
different. Rather than connecting each system to the IEDs, you can collect
data once from the IEDs and then prepare a concentrated, aggregated,
independent data set for each data consumer.
Insulates IEDs From Integration Issues
When you use the SEL-2032, you perform many integration tasks and provide
integration interfaces to the SEL-2032 rather than directly to the IEDs. This
means that you have the best possible chance of leaving the IEDs undisturbed
as your integration system evolves or changes.
For example, the field of substation integration is changing rapidly. The
SEL-2032 allows you to integrate a system today and provide serial links to
data consumers. In the future you can upgrade the SEL-2032 to provide
additional protocols or install a communications card and add new
connections without disturbing the IEDs. This is a key concern if the
alternative system would require upgrading and recomissioning protection
functions within IEDs in order to enhance your integration system.
You can also use the SEL-2032 to provide high-speed network connectivity
rather than pay for it on each individual device. This means that your system
will be much more economical and lets you take advantage of existing serial
EIA-232 IEDs rather than replacing IEDs when upgrading a system.
Improves System Performance
When you replace a multidrop network with the SEL-2032, the SCADA data
reaches the RTU or SCADA master more quickly. The reason is that the star
network collects data from all IEDs in parallel rather than round-robin polling.
Testing with an example system shows the difference. For a substation with
seven IEDs, the data latency (time from field event to data available in master
device) from the IED to an HMI is 1.5 seconds for a multidrop network and
1.1 seconds for an SEL-2032 star network.
Scales to Substation Size
The number of ports on a single SEL-2032 is not a limit to the size of the
system that you can construct. The SEL-2032 contains special features that
allow multitiered systems such as the one shown in
to let you
integrate large numbers of station IEDs.
Содержание SEL-2032
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