Woodward ProTech 203 - Page 4

ProTech 203 Overspeed Protection System Manual 85204
ii Woodward
Illustrations and Tables
Figure 2-1. Plant Wiring Diagram ........................................................................... 5
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Figure 2-2. Routing and Stress Relief for Field Wiring Entering the ProTech 203
System ............................................................................................... 6
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Figure 3-1. Outline Drawing of ProTech 203 System ............................................. 7
Figure 3-2. Interposing Relay Field Wiring ........................................................... 10
Figure 3-3. Voter Relay Configuration .................................................................. 11
Figure 3-4. Block Diagram of One Unit of the ProTech 203 System .................... 12
Figure 4-1. ProTech 203 Front Panel ................................................................... 13
Figure 4-2. Method 1 Block Diagram .................................................................... 17
Figure 4-3. Method 2 Block Diagram .................................................................... 18
Figure 5-1. ProTech System Front Door .............................................................. 24
Figure 5-2. Unit Covers Inside the ProTech Device ............................................. 24
Figure 5-3. Board Locations ................................................................................. 26
Figure 5-4. Display Boards ................................................................................... 27
Table 1-1. De-energize-to-Trip ProTech Models .................................................... 2
Table 1-2. Energize-to-Trip ProTech Models ......................................................... 2
Table 1-3. Voltage Ranges ..................................................................................... 2
Table 4-1. Allowable Ranges ................................................................................ 14
Table 4-2. Start Mode Options ............................................................................. 19
Table 4-3. Trip Causes ......................................................................................... 20
Table 5-1. Power Supply Fuse Data .................................................................... 23