AdsServerReadRequestAsync Method

Sends an ADS Read Request asynchronously.


Namespace: TwinCAT.Ads.Server
Assembly: TwinCAT.Ads.Server (in TwinCAT.Ads.Server.dll) Version: 7.0.0+e56d35ccc4675faac24789a4aab60071fc61d470

Syntax

C#

protected Task<AdsErrorCode> ReadRequestAsync(
    AmsAddress target,
    uint invokeId,
    uint indexGroup,
    uint indexOffset,
    int readLength,
    CancellationToken cancel
)

Parameters

target  AmsAddress

The receiver's AMS address

invokeId  UInt32

The invokeId for this call. Used to find the matching ADS Confirmation

indexGroup  UInt32

The index group of the requested ADS service

indexOffset  UInt32

The index group of the requested ADS service

readLength  Int32

The number of bytes to be read

cancel  CancellationToken

The cancellation token.

Return Value

Task AdsErrorCode
A task that represents the asynchronous ReadRequestAsync(AmsAddress, UInt32, UInt32, UInt32, Int32, CancellationToken) operation. The TaskTResult parameter contains the AdsErrorCode as Result.

Reference

AdsServer Class TwinCAT.Ads.Server Namespace

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