01 PROCESS TANK LEVEL
Process Outputs → Sampler
02 LIVE VISUALS
Process Variable (PV) & Setpoint (SP)
Controller Output (CO)
Error (SP − PV)
Model Output  vs  PV
03 SAMPLER
SAMPLED PV
04 CONTROLLER PID
CO → Process Input
05 MODELER
USE MODEL
MODEL INPUT
MODEL VALUE
PROCESS VALUE