Example 6 - Cascade Control Of A Boiler Drum Level - 3 Element Feedwater Control - Honeywell UMC800 Reference Manual

Function Blocks
2.50 PID Function Block,
2.50.6 Example 6 - Cascade Control of a Boiler Drum Level -
3 Element Feedwater Control
Steam
LT 2
Steam Drum
LT 1
Figure 2-52 Cascade Control of a Boiler Drum Level - 3 Element Feedwater Control
158
continued
Feedwater Flow
Function Block Reference Guide
FT 2
M
Note: All physical
connections are by
I/O cards
3/99