Rockwell Automation T6200 Compressor Anti-Surge and Capacity Controller - Manual (Page 103)

Control Primer
7-1
Proportional (P) Action 5
Integral (I) Action 8
Derivative (D) Action 8
Proportional-plus-integral (PI) Action 9
Proportional-plus-derivative (PD) Action 10
Proportional-plus-integral-plus-derivative (PID) Action 11
Interactive and Non-interactive Control 12
Deadtime 13
Cascade Control 14
Ratio Control 16
Damping 16
7
Section Seven
Control Primer