Omron E5DC User Manual

4 - 31
4 Basic Operation
E5@C Digital Temperature Controllers User’s Manual (H174)
4-9 Determining PID Constants (AT, ST, Manual Setup)
4
4-9-4 Manual Setup
When P (Proportional Band) Is Adjusted
When I (Integral Time) Is Adjusted
When D (Derivative Time) Is Adjusted
Increased
The curve rises gradually, and a long stabilization time
is created, but overshooting is prevented.
Decreased
Overshooting and hunting occur, but the set value is
quickly reached and the temperature stabilizes.
Increased
It takes a long time to reach the set point.
It takes time to achieve a stable state, but overshooting,
undershooting, and hunting are reduced.
Decreased
Overshooting and undershooting occur.
Hunting occurs.
The Digital Controller starts up faster.
Increased
Overshooting, undershooting, and stabilization times
are reduced, but fine hunting occurs on changes in the
curve itself.
Decreased
Overshooting and undershooting increase, and it takes
time to return to the set point.
Set
value
Set
value
Set
value
Set
value
Set
value
Set
value

Omron E5DC Specifications

General

Brand	Omron
Model	E5DC
Category	Temperature Controller
Language	English