V2/CMS Tutorial/User Tools/Creating Content/Automation/Expression/Node

Node Types

Each Node falls into one of the following categories:

• Asset Identifier
• Input
• Data Transformation
• Logic
• Result
• Event

Asset Identifier

Asset

Used to identify the asset to be monitored based on its configured site, the chosen measurement and tag values.

Incoming Nodes: NIL

Outgoing Nodes:

• Location
• Attribute
• Metric

Location

Used to capture zone information about the asset that triggered the expression.

Incoming Nodes: Asset

Outgoing Nodes: Compare

Attribute

Used to differentiate assets based on their attribute value.

Incoming Nodes: Asset

Outgoing Nodes: Compare

Note: Attributes are case sensitive. Using the wrong case invalidates the Expression and it will not be evaluated.

Input

Metric

Outputs the value/s of a chosen metric. It can be set to output the last known value, or a range of values.

Incoming Nodes: Asset (Only one)

Outgoing Nodes:

• Function
• Filter if range of values is chosen
• Aggregate if range of values is chosen
• Compare

Data Transformation

Function

Does value-wise transformations:

• Get absolute value
• Round to nearest integer
• Round up
• Round down
• Custom Transformation
  • Add
  • Subtract
  • Multiply
  • Divide
  • Modulo

Incoming Nodes:

• Metric
• Attribute
• Function
• Filter
• Aggregate

Outgoing Nodes:

• Aggregate
• Compare
• Function
• Filter

Filter

Filters a range of values and outputs a subset.

Incoming Nodes:

• Metric if range of values is chosen
• Function
• Filter

Outgoing Nodes:

• Function
• Filter
• Aggregate

Aggregate

Aggregates a range of values into a single value:

• Sum
• Count
• Average
• Median
• Max
• Min
• Mode
• Range
• Stddev
• Percentile
• Every
• Any

Incoming Nodes:

• Metric if range of values is chosen
• Function
• Filter

Outgoing Nodes:

• Compare
• Function

Logic

Compare

Does value comparisons:

• Equal
• Greater than (equal)
• Less than (equal)
• Not Equal

Incoming Nodes:

• Metric
• Location
• Function
• Aggregate

Outgoing Nodes:

• Logic
• Result

Note: When used with one Location Node, the input value should be the location's BBL ID.

Logic

Does logical comparisons between 2 or more boolean values:

• AND
• OR

Incoming Nodes:

• Compare
• Logic

Outgoing Nodes:

• Logic
• Result

Result

Result

Represents the result of a Logic Graph.

Incoming Nodes:

• Compare
• Logic

Outgoing Nodes: Event

Event

Event

Specifies the event to be triggered when result of expression changes from True to False or False to True.

Incoming Nodes: Result

Outgoing Nodes: NIL

Note: This event refers to an event created within the CMS. See Add Event to learn how to add an event in the CMS.