Creating a supernode – Echelon IzoT Commissioning Tool User Manual

Page 128

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Copy

subsystems. You have three choices:
Do not Copy. Only the subsystem SmartShape will be copied.

None of the contents of the original subsystem will be copied
into the new subsystem. This is the only option available when
you create a new subsystem by dragging a Subsystem
SmartShape from the IzoT Commissioning Tool Basic Shapes
stencil to the drawing (all of the options are available when you
create a new subsystem by copying an existing one).

Copy only Selected Subsystem. Only the contents of the

original subsystem will be copied to the new subsystem. Nested
subsystems and their contents will not be copied.

Copy Selected. All contents of the original subsystem,

including nested subsystems and their contents, will be copied
to the new subsystem.

Open as Current
Page

Open the new subsystem after it has been created. If this check box is
cleared, IzoT Commissioning Tool will create the new subsystem but
remain in the current subsystem. This check box is cleared by default.

Exclude Nested
Subsystems from
Subsystem
Operations

Applies subsystem operations to only the devices in the parent
subsystem. This check box is cleared by default, which means that
subsystem operations are applied to devices in the parent subsystem
and all of its nested subsystems.

Description

Provides an optional description of the subsystem. This description
has no effect on network operation, but you can use it to provide
additional documentation for as-built reports.

3. If you are creating this subsystem in a network that uses user profiles and passwords, click Next to

set Guest Privileges for this subsystem (see User Profiles in Chapter 3, Getting Started for more
information). Otherwise, click Finish to add the subsystem to your OpenLNS CT drawing.

Creating a Supernode

A supernode is a subsystem with its own network variable interface. Using a supernode allows you to
provide a simple interface to an arbitrarily complex subsystem. For example, a supernode that
contains lighting controls may have a network variable interface that allows the devices contained
within it to be put into emergency override. This allows the integrator to identify easily the critical
interfaces into the subsystem while ignoring those that are typically only used internally by the
subsystem.

Any network variable on any functional block in a subsystem may be exported one or more levels up
the subsystem hierarchy to the subsystem SmartShape and be used as a supernode.

To create a supernode, follow these steps:

1. Create a subsystem, and then create one or more devices and one or more functional blocks in that

subsystem.

2. Go back to the parent subsystem and drag a network variable SmartShape onto the subsystem

SmartShape you just created.

3. A dialog opens in which you select a network variable of the appropriate direction in that

subsystem.

112

Designing Networks

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