Variable frequency drives
The P-Series line of variable frequency drives by Cerus now comes with a redundant drive panel.
Cerus’ P-Series line of variable frequency drives (VFDs) now comes with a redundant VFD unit, the Cerus redundant drive panel (RDP). It is designed to provide an economical HVAC motor control solution that maintains full control of an application if the primary drive fails. In the event of a failure, the backup VFD continues to run, using the same control signal as the primary drive. Every precaution has been taken to isolate each drive, thus isolating any problems that could occur and protecting the functionality of the working VFD. For broad applicability, the drives have been designed to support frequencies from 10 to 120 Hz, making the RDP a great solution for systems running over 60 Hz. Cerus P-Series VFDs are available in a range of versions from 1 to 125 hp.
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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.