read

Reads data from an ADS device.

read(
    nIndexGroup, 
    nIndexOffset, 
    cbLen, 
    userState 
  );

Parameters

nIndexGroup

Type: Number
The indexGroup

nIndexOffset

Type: Number
The indexOffset

cbLen

Type: Number
The length of read data.

userState

Type: Every
User data which will be passed through.

Returns

This function will return a TcAdsWebService.Response object.
If successfull, the TcAdsWebService.Response.reader property contains the data in the order in which the data was requested.