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Variable Node

OPC-UA Variable Node implementation. Derived from Node.

Functions

VariableNode.new(node_id, node_name, parent_node, value, access_level)

Creates a new VariableNode instance

Params

  • node_id
  • NodeId
  • The NodeId of the variable node
  • node_name
  • string
  • Name of the new node
  • parent_node
  • NodeId
  • The NodeId of the parent node
  • value
  • Variant
  • The variant object that defines the variable node's value and datatype.
  • access_level
  • number
  • Indicates how the value can be accessed. See AccessLevel for more information

Returns: VariableNode new instance

Methods

VariableNode:updateValue()

Updates the nodes value to its variant's value.

Params

Returns: boolean indicates the success of updating the value

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