Page top

Lead Contents

FAQ02697 of Temperature Controllers FAQ

FAQ No. FAQ02697

Primary Contents


Why does E5[]N Basic-type Digital Temperature Controllers overshoot or undershoot?


The proportional band is too narrow and the P constant is too small.

The integral time is too short and the I constant is too small.

The derivative time is too long and the D constant is too large.

It is in ON/OFF control mode.

The control cycle is too long for a control system with fast thermal response.

The overlap band setting is mistakenly set for a dead band setting in heating and cooling control.

Applicable models: E5CN, E5GN, E5EN, and E5AN

Recommended Products


A Process Indicator Ideal for Discriminating and Displaying Measurements for Voltage/Current Signals


A New High-performance Controller: High Resolution, High Speed, and High Input Accuracy. Logic Operations and Preventive Maintenance Function.


Easy to Use and Easy to Read.

Other Temperature Controllers FAQ