readState

Reads the ADS status and the device status from an ADS server.

 readState(
    sNetId, 
    nPort, 
    pCallback, 
    userState, 
    ajaxTimeout, 
    ajaxTimeoutCallback, 
    async
  );

Parameters

sNetId	Type: String NetID of the target AMS Router.
nPort	Type: Number Port of the target AMS Router.
pCallback	Type: Function pointer The callback function for asynchronous AJAX requests. Function pointer signature: function( TcAdsWebService.Response, userState) If successfull, the TcAdsWebService.DataReader object of the TcAdsWebService.Response.reader property contains the state values as 2 Byte WORD values in the order AdsState, DeviceState.
userState	Type: Every User data which will be passed through.
ajaxTimeout	Type: Number The timeout value for AJAX requests in milliseconds.
ajaxTimeoutCallback	Type: Function pointer The callback function for AJAX timeouts. Function pointer signature: function()
async	Type: Bool Determines whether asynchronous request should be used or not.

Returns

If the async parameter is set to false, this function will return a TcAdsWebService.Response object.
Otherwise it returns nothing.

If successfull, the TcAdsWebService.DataReader object of the TcAdsWebService.Response.reader property contains the state values as 2 Byte WORD values in the order AdsState, DeviceState.