9907-147

Overview

9907-147

• Type: Woodward ProTech 203 Overspeed Protection System

• System: De-Energize-to-Trip

• Input Voltage: 24 Vdc

• Display: 3 LCDs, 2 lines of 16 characters

• Manufacturer: Woodward ProTech

• Operating Temperature: –25 to +60 °C

Key Features

• Lockable Enclosure

• CPU and MPU Failure Indication

• Key Lock

• Speed-Sensing Frequency Range: 100 Hz to 32 kHz

• Accuracy: ±(0.05% x Trip Point in Hz + 2 Hz)

• Overspeed Detection: Three speed-sensing units in a two-out-of-three vote configuration

• Trip Point Frequency Range: 250 Hz to 25 kHz

Dimensions

• Width: 482.6 mm

• Height: 310.4 mm

• Depth: 142.7 mm

Installation Notes

• Sensitive to: Electromagnetic interference, vibration, moisture

• Recommended Environment: Adequate ventilation, space for servicing, away from direct sunlight, high-current, or high-voltage devices

User Interface

Each speed-sensing unit has:

• LCD Display: 16-character, 2-line

• Input Controls: Touchpad, potentiometer, LED indicators

• Alarm Output: Yes

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