title: Node-red get Modbus TCP Read state change
body: <p>Is there a way to get Modbus Read Node state change? The node has an "activity label" thet shows the state (reading, polling, error, timeout etc..) is there a way to get it as a msg.payload? </p>
  
  <p><img src="https://i.stack.imgur.com/7XFDP.png" alt="Here an example of the Modbus Read node with the &quot;activity label&quot; in bottom left corner"></p>