Linking device in a process control system that allows the formation of a control loop having function blocks in {TAIL ~ a controller} and in {HEAD ~ field devices} 
Linking device in a process control system that allows the formation of a control loop having function blocks in { TAIL ~ a controller } and in { HEAD ~ field devices }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD