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Manual 35086
ProTech-GII with Math Functions
Woodward
43
Figure 2-10b. I/O Wiring Routing & Stress Relief Diagram
Figure 2-10c. Relay Output Field Wiring Routing & Stress Relief Diagram
Speed Sensor Inputs
To sense speed, each ProTech-GII module (A, B, C) accepts a signal from a speed sensor mounted on a
gear connected to the turbine rotor or engine crankshaft. Speed sensors may be any of the following:
Passive magnetic pickup unit (MPU)
Active proximity probe
Eddy
current
probe
Released