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