readwriteAsync

Writes data to an ADS device and then reads data from this device.

 readwrite(
    nIndexGroup, 
    nIndexOffset, 
    cbRdLen, 
    pwrData, 
    pCallback, 
    userState, 
  );

Parameters

nIndexGroup	Type: Number The indexGroup
nIndexOffset	Type: Number The indexOffset
cbRdLen	Type: Number Length of data to read.
pwrData	Type: Base64 encoded binary string The binary data to write.
pCallback	Type: Function pointer The callback function for asynchronous AJAX requests. Function pointer signature: function( TcAdsWebService.Response, userState) If successfull, the TcAdsWebService.Response.reader property contains the data in the order in which the data was requested.
userState	Type: Every User data which will be passed through.

Returns

This function will return nothing. An TcAdsWebService.Response object is returned by calling the callback function which was set by use of the pCallback parameter.
If successfull, the TcAdsWebService.Response.reader property contains the data in the order in which the data was requested.