AdsServer.ReadWriteRequestAsync Method

Sends an ADS Read Write request.

Namespace:  TwinCAT.Ads.Server
Assembly:  TwinCAT.Ads.Server (in TwinCAT.Ads.Server.dll) Version: 6.0.328+39e3229

Syntax

C#

protected Task<AdsErrorCode> ReadWriteRequestAsync(
    AmsAddress target,
    uint invokeId,
    uint indexGroup,
    uint indexOffset,
    int readLength,
    ReadOnlyMemory<byte> writeData,
    CancellationToken cancel
)

Parameters

target

Type: TwinCAT.Ads.AmsAddress
The receiver's AMS address

invokeId

Type: System.UInt32
The invokeId for this call. Used to find the matching ADS Confirmation

indexGroup

Type: System.UInt32
The index group of the requested ADS service

indexOffset

Type: System.UInt32
The index group of the requested ADS service

readLength

Type: System.Int32
The number of bytes to be read

writeData

Type: System.ReadOnlyMemory.Byte.
The data to be written

cancel

Type: System.Threading.CancellationToken
The cancellation token.

Return Value

Type: Task.AdsErrorCode.
A task that represents the asynchronous 'ReadWriteRequest' operation. The Task.TResult. parameter contains the AdsErrorCode as Result.

Reference

AdsServer Class

TwinCAT.Ads.Server Namespace