The information processed by {HEAD ~ the linking device}, which may include function block information, is automatically routed from {TAIL ~ a field device} to the controller or from the controller to a field device 
The information processed by { HEAD ~ the linking device } , which may include function block information , is automatically routed from { TAIL ~ a field device } to the controller or from the controller to a field device
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH