1. Total Power Control Technology PID Temperature Controllers
The heating equipment which are widely used in the industrial world consume a tremendous amount of power. For this reason, a limit that the equipment's actual capacity is often set on power consumption in order to suit the company's power supply and equipment situation. This inevitably affects the equipment's heating performance. We have therefore developed a total power control technology which prevents the overall power consumption of a system of several PID temperature controllers from exceeding a preset limit, while at the same time maintaining a high level of tracking performance so that the temperature stays close to the set point.
2. Minimizing Energy Consumption by Improving the Automatic Control Management Approach to Building Automation Systems
Conventionally, the user interface of building automation systems (hereafter BA systems) has included state monitoring, setting of automatic control, and history management functions separately, with the coordination of these functions left up to the user. Moreover, the results of automatic control often have not been easy to distinguish. We have recently developed a system which makes it possible to promote the energy efficiency of a BA system (through the cycle of setting automatic control → visualization of control results → planning for improvement → setting of automatic control for greater energy efficiency) by adding a function that gives a bird's-eye view of history data related to automatic control (visualization of control results), and a display function for raising the awareness of building tenants regarding potential energy-saving measures.
3. Development of New Smart Value Positioners for Enhanced Safety of Plant Operations
The new 700 series of industrial valve positioners has been developed based on the 300 series, which has been receiving good reviews. While retaining core components of the earlier positioners, the 700 series offers more robust control features and valve diagnostic functions, simple adjustment and setup, as well as a liquid crystal display and operation buttons. It complies with the latest communications standards given in international specifications. In combination with our PLUG-IN Valstaff control valve maintenance support system, the 700 series achieves a high level of optimization and efficiency for maintenance timing. Together they are utilized for early detection of abnormal tendencies by online diagnosis and for judging whether overhaul is necessary during regular maintenance.
