Omron SYSMAC CS Series

15
Outline Section 1-1
Temperature Control of Kettle Reboiler (Cascade Control)
Boiler Drum Level Control (with Cascade Feedforward Control Function)
CPU Unit
Temperature
Temperature
Cold water
Vapor
Drain
Loop ControllerAnalog
Output Unit
Analog Input
Unit
PV 2
PV 1
MV 1
PID1
PID2
MV 2
RSP1
Liquid-vapor
separation
converter
Temperature
Conversion
Water supply
Flowrate
Steam flowrate
Steam
MV2
PID2
MV 2
PV 2
MV 1
PID1
+
PV 1
Loop Controller
Analog
Output Unit
Analog
Input Unit
Level
CPU Unit
RSP