Woodward 1247-007 Overspeed Protection Device

Description

The Woodward 1247-007 is a ProTech-GII overspeed protection device designed to safely shut down steam, gas, and hydro turbines upon sensing an overspeed or overacceleration event. It is a configurable system that ensures the safety and reliability of turbine operations.

Key Features

• Type: Overspeed Protection Device
• Series: ProTech-GII
• Mounting: Bulkhead mount
• Power Input: High voltage
• Trip Relays: Dual redundant trip relay outputs or three independent non-voted trip relay outputs
• Speed Readouts: 4–20 mA
• Communication: Modbus® communications
• MPU Detection: Special MPU open-wire detection circuitry
• Acceleration Detection: Protects against high acceleration events
• Automatic Overspeed Test Routine: Configurable to perform routine overspeed tests
• Sulfur Contamination Resistant: Conformal coating for protection against H2S and SO2 gases
• On-line Repair: Triple-modular design allows for on-line module replacement

Technical Specifications

• Dimensions: 330mm x 486mm x 153mm
• Enclosure Type: IP56 dust and water resistant
• Current Limit: 500 mA
• High Input Voltage: 100–150 Vdc @ 30 W per module
• Interrupt Time: 3ms when on 1 power supply
• Keypad/Display: 45 Keys Total
• Low Input Voltage: Nominal 24 Vdc
• Operating Temperature: –20 to +60 °C (–4 to +140 °F)
• Slot Type: RS-232 Com Port (3)
• Storage Temperature: –20 to +65 °C (–4 to +158 °F)
• Weight: 26 lbs 12 oz