Emerson Rosemount OCX8800 - Application Examples; Figure 7-18 PID Function Block Steam Heater Control

Section 7: Foundation
Fieldbus
April 2017
Instruction Manual
IM-106-880C, OI
14
2
Application
Examples
7.12.10 Application Examples
Basic PID Block for Steam Heater Control
Situation
A PID block is used with an AI block and an AO block to control the flow steam used to heat a
process fluid in a heat exchanger. Figure 7-18 illustrates the process instrumentation
diagram.
Figure 7-18 PID Function Block Steam Heater Control