A voltage divided network 18 comprising serially coupling resistors R1, R2 is connected in shunt with the resistive load RL and is used to provide {TAIL ~ a sense voltage} on line 17 for {HEAD ~ the controller} 14 
A voltage divided network 18 comprising serially coupling resistors R1 , R2 is connected in shunt with the resistive load RL and is used to provide { TAIL ~ a sense voltage } on line 17 for { HEAD ~ the controller } 14
OTH OTH OTH OTH OTH OTH OTH 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 TAIL OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH