Woodward ProTech 203, Руководство по эксплуатации

Страница: 13 / 40

Manual 85204 ProTech 203 Overspeed Protection System
Woodward 7
Chapter 3.
Description
The ProTech
®
203 Overspeed Protection System is a digital overspeed trip
device that reads three individual magnetic pickups, performs three individual
speed calculations, and actuates its relay output according to the results of a
hardware two-out-of-three vote. See Figure 3-1 for the control layout and
dimensions.
Figure 3-1. Outline Drawing of ProTech 203 System
Specifications
Enclosure
Approved for use in Type 4 and 4x environments for North America. Enclosure
rated IP54 for Europe.