Class WebApiSInt

Represents wrapper for a PLC SINT variable.

Inheritance
object
OnlinerBase
OnlinerBase<sbyte>
OnlinerSInt
WebApiSInt
Implements
Inherited Members
Namespace: AXSharp.Connector.S71500.WebApi
Assembly: AXSharp.Connector.S71500.WebAPI.dll
Syntax
public class WebApiSInt : OnlinerSInt, INotifyPropertyChanged, IValueBoundaries<sbyte>, IOnlineSInt, IOnline<sbyte>, IShadowSInt, IShadow<sbyte>, ITwinPrimitive, ITwinElement

Constructors

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WebApiSInt()

Initializes a new instance of the OnlinerSInt class.

Declaration
public WebApiSInt()
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WebApiSInt(ITwinObject, string, string)

Initializes a new instance of the OnlinerSInt class.

Declaration
public WebApiSInt(ITwinObject parent, string readableTail, string symbolTail)
Parameters
Type Name Description
ITwinObject parent

Parent object of this instance.
string readableTail

Human readable tail of this instance.
string symbolTail

Symbol tail of this instance.

Methods

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GetAsync()

Gets the value of this variable from the controller asynchronously.

Declaration
public override Task<sbyte> GetAsync()
Returns
Type Description
Task<sbyte>
Overrides
Remarks

This method accesses the item in a single request over communication layer; accessing multiple items may result in performance degradation over the communication interface with the target system. This method is to be used only when you need the item to be read from the PLC and the return the control of the program. Consider using ITwinObjects ReadAsync(ITwinObject) or WriteAsync(ITwinObject) methods for bulk access to entire structures.

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Read(string)

Declaration
public void Read(string value)
Parameters
Type Name Description
string value
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SetAsync(sbyte)

Sets the value of this variable to the controller asynchronously.

Declaration
public override Task<sbyte> SetAsync(sbyte value)
Parameters
Type Name Description
sbyte value
Returns
Type Description
Task<sbyte>
Overrides
Remarks

This method accesses the item in a single request over communication layer; accessing multiple items may result in performance degradation over the communication interface with the target system. This method is to be used only when you need the item to be read from the PLC and the return the control of the program. Consider using ITwinObjects ReadAsync(ITwinObject) or WriteAsync(ITwinObject) methods for bulk access to entire structures.

Implements

Extension Methods