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Question
Why does E5[]N Basic-type Digital Temperature Controllers overshoot or undershoot?
Answer
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
E5CN / E5CN-U (48 x 48 mm)
New 48 x 48-mm Basic Temperature Controller with Enhanced Functions and Performance. Improved Indication Accuracy and Preventive Maintenance Function.
H3CR-A
Multiple Operating Modes and Multiple Time Ranges. DIN 48 x 48-mm Multifunctional Timer with Wide AC/DC Power Supply Range for Both High and Low Voltages.
H5CX
DIN 48 × 48-mm Multifunction Digital Timer/2-stage Digital Timer
Other Temperature Controllers FAQ
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