VFD for HVAC systems
The P-Series line of variable frequency drives is available from Cerus Industrial.
Cerus Industrial enhanced its P-Series line of variable frequency drives (VFDs) for HVAC use with control options and safety features, and an application-based commissioning tool called FastApp, designed to save time when setting up a wide range of HVAC applications. With FastApp, HVAC motor control parameters are now easier to set up via the keypad on the drive enclosure, and include a multitude of display and control options. With this wider array of options, users around the world with different HVAC applications can set up their control systems. The enhanced VFDs also have safety features to protect motors from damage due to conditions such as belt loss. If the under level detection feature is selected and the motor runs at a speed above a set amount for longer than a set amount of time and with the load current at less than a set level, the VFD will trip.
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Annual Salary Survey
After almost a decade of uncertainty, the confidence of plant floor managers is soaring. Even with a number of challenges and while implementing new technologies, there is a renewed sense of optimism among plant managers about their business and their future.
The respondents to the 2014 Plant Engineering Salary Survey come from throughout the U.S. and serve a variety of industries, but they are uniform in their optimism about manufacturing. This year’s survey found 79% consider manufacturing a secure career. That’s up from 75% in 2013 and significantly higher than the 63% figure when Plant Engineering first started asking that question a decade ago.