Using either the PID blocks from A-B or Siemens, provide a program that will work in auto mode for the following P&ID. Use variables as inputs, outputs and internal variables as necessary. Describe these variables in a table. Ws! Ws'll STEAM FLOW C(D) M LAG SPECIFIC GRAVITY OF FEED so Σ FY 1600) FY + voll) 1.0 FRC vo EP FEED FIG. 8.164 Feedforward control loop based on Equation 8.16(29) and provided with lag for dynamic compensation. or if feed flow is the manipulated variable: Ws V= 1.11 (1 - 0.4375) 8.16(29)
