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13 result(s) for Ctrl Variable

• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  3.1 Overview
  prefix Ctrl for controller is used together with IEC 61131-3 terms like Ctrl Variable or Ctrl Program . Note that OPC UA terms and terms defined in this specification
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  4.1.1.3 Ctrl Configuration, Ctrl Resources and Ctrl Tasks
  upon the occurrence of a specified trigger, such as the change of a Ctrl Variable . Ctrl Programs are built from a number of different software elements written
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  4.3 Introductory Example
  three input Ctrl Variables (CU - counter up, R - reset, PV - primary value), one local Ctrl Variable (PVmax) and two output Ctrl Variables (Q, CV - counter value) with their respective data
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  5 Use cases
  bottles are counted by the Controller and the result provided as an output Ctrl Variable of a Ctrl Function Block . The visualization panel subscribes to the corresponding Variable ... batch, the number of that recipe is written from an HMI to an input Ctrl Variable of a Ctrl Function Block via a corresponding Variable in the OPC UA server
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.1 Common Attributes
  display the name of the Node . The name part is generated from the Ctrl Variable name. The namespace part depends of the scope where the Variable is defined. Chapter ... server supports localization of Variable names. The DisplayName is composed of the Ctrl Variable name and an empty LocaleId string if the server does not support localization. Description Optional LocalizedText
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.2.3.1 Mapping of enumerated data types
  TYPE : (SINGLE_ENDED, DIFFERENTIAL) ; END_TYPE Example for use of an enumeration in a Ctrl Variable instantiation in IEC 61131-3: VAR Y : (Red, Yellow, Green ... EnumValues is defined in OPC 10000-5 . The IEC 61131-3 enumeration in a Ctrl Variable declaration is mapped to a MultiStateDiscreteType Variable Type defined
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.2.3.2 Mapping of subrange data types
  DATA : INT (-4095..4095) ; END_TYPE Example for use of a subrange in a Ctrl Variable instantiation in IEC 61131-3: VAR Z : SINT ... DATA which is a subtype of Int16. The IEC 61131-3 subrange in a Ctrl Variable declaration is mapped to the two Properties defined in Table 30 . The Properties
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.2.3.3 Mapping of array data types
  TYPE Example for use of an array in a Ctrl Variable instantiation in IEC 61131-3: VAR MyArray : ARRAY [1..16] OF INT; END_VAR The IEC 61131-3 array ... DATA which is a subtype of Int16. The IEC 61131-3 array in a Ctrl Variable declaration is mapped to the two Properties defined in Table 31 . The Properties
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.3.1 General
  Int32 This Attribute indicates whether the Value of the Variable is an array and how many dimensions the array has. Ctrl Variables declared as scalar type have the ValueRank ... ValueRank that indicates the number of dimension of the array declared for the Ctrl Variable . ArrayDimensions Optional UInt32[] This Attribute specifies the length of each dimension for an array value
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.4.1 IEC Ctrl Variable Keywords
  Ctrl Variable Keywords The IEC 61131-3 key word mapping to OPC UA Properties is formally defined in Table 34 . Table 34 - IEC 61131-3 Variable Key Word Property Definition ... Optional The Property RETAIN indicates if the RETAIN key word is set for the Ctrl Variable . It provides an explicit declaration of "warm start" behaviour of the Ctrl
• OPC-30000 – OPC UA for Programmable Logic Controllers based on IEC61131-3
  9.4.2 Configuration of OPC UA defined Properties
  words to configure information like the value range or the engineering unit for a Ctrl Variable . The configuration in a programming system is vendor specific but this specification defines ... provided in the XML element UaInstrumentRange as part of the XML element representing the Ctrl Variable . The attributes of the XML element are formally defined in Table 35 . Table
• OPC-30050 – OPC UA for PackML - Common Object Model: PackML
  C.1 Mapping of enumerated data types
  side is more efficient. The definition on a variable instance is using the MultiStateDiscreteType Variable Type which defines also the EnumStrings or the EnumValues Property containing the enumeration values ... TYPE : (SINGLE_ENDED, DIFFERENTIAL); END_TYPE Example for use of an enumeration in a Ctrl Variable instantiation in IEC 61131-3: VAR Y : (Red, Yellow, Green
• OPC-30050 – OPC UA for PackML - Common Object Model: PackML
  C.2 Mapping of array data types
  have multiple dimensions. The dimension is defined through the Attribute ValueRank . Arrays can have variable or fixed lengths. The length of each dimension is defined by the Attribute ArrayDimensions ... TYPE Example for use of an array in a Ctrl Variable instantiation in IEC 61131-3: VAR MyArray : ARRAY