Abstract
In the field of process instrumentation and control field, EI integrated functionality and excelled cost per performance furnished “PLC instrumentation system” has been expanding the application field where mid to small DCS traditionally has been serving.
It is expected that PLC instrumentation system could be deployed rapidly for environmental satellite control such as utility/waste water control and monitoring particularly in pulp and paper factories.
We have developed the pH control system to overcome non linear process characteristics by adding fuzzy control function as an advanced control to PLC instrumentation system and applying continuous flow pump for the actuator.
We expect that these technologies could be utilized as key for the environment monitoring/waste water processing system, which are expected to be replaced actively hereafter.