Connect :
Connect Gate to SMU1, Source to SMU2, Drain to SMU3 and Body to SMU4.
Bias :
SMU1 : V Mode, VarB, 2-4volt, 500mV step
SMU2 : V Mode, Constant, 0V
SMU3 : V Mode, VarA, 0-5V, 200mV step
SMU4 : V Mode, Constant, 0V
Graph : X axis -> VD, Y axis -> ID