Woodward 505 Digital Governor for Steam Turbines

Introduction

Woodward 505 digital speed governors are used on steam turbines with single or sectional range actuators. This is the next generation 505D front panel mounted user configurable steam turbine digital governor control with an advanced integrated multi-language interface HMI screen. The new 505D is based on the globally trusted robust and reliable 505 platform, now with expanded communication protocols, intelligent/adaptive control algorithms, and advanced service tools with data logging and RemoteView monitoring and control. This model is a low voltage 18-36 Vdc power input and complies with Class 1 Div. 2 standard location.

Part Number Power

8200-1302 Marine/ATEX Compliance LVDC (18–32 Vdc)

Features

• 8.4” LCD Display (800x600) and Keypad
• (LV) input power: 18-36 Vdc input, isolated
• (HV) input power: 88-264 Vac / 90-150 Vdc, isolated
• Operating range of –30 °C to +70 °C (with display)

Communications

• (4) Ethernet 10/100 communication ports, isolated
• (4) CAN communication ports (1 Mbit), isolated
• (1) RS-232/RS-485 port, isolated
• (1) RS-232 Service port, isolated

I/O Circuits

• GAP configurable update rates of 5 ms to 160 ms
• (2) Speed Sensor inputs (MPU/Prox) (with Prox Power)
• (8) Analog input 4-20 mA channels (with Loop Power)
• (6) Analog output 4-20 mA channels
• (2) Actuator output channels (configurable 4-20 mA/20-200 mA)
• (20) Discrete input channels (with Contact Power)
• (8) Relay outputs (form-c)

Environmental Specifications

• Operating Temperature: –30 °C to +70 °C (with display)
• Storage Temperature: –30 °C to +70 °C (recommended 0 °C to 40 °C)
• Vibration: 8.2 Grms, industrial skid mount
• Shock: 10 G, 3x each axis
• Humidity: 5 % to 95 %, non-condensing
• Ingress Rating / Installation: IP20, Pollution Degree2, Overvoltage Category 3
• EMC Emissions: EN 61000-6-4 (Heavy Industrial), IACS UR E10 (Commercial Marine)
• EMC Immunity: EN 61000-6-2 (Heavy Industrial), IACS UR E10 (Commercial Marine)

Specifications (LV)

• LV Input Voltage range: 18-36 Vdc
• Input Power (max): < 77 W, 4.3 A max
• Output Voltage Holdup time: > 14 ms with 24 Vdc input voltage
• Isolation to other circuits: > 500 Vrms to all other circuits
• Isolation to EARTH: > 500 Vrms to EARTH
• Input Overvoltage Protection: ±60 Vdc @ 25 °C
• Reverse Polarity Protection: 60 Vdc @ 25 °C
• Input Undervoltage shutdown: ~11 Vdc, non-latching
  

Specifications (HV)

• HV Input Voltage range: 88-264 Vac / 90-150 Vdc
• HV Input Frequency range: 45-65 Hz
• Input Power (AC max): < 73 W, 1.6 A max
• Input Power (DC max): < 73 W, 0.8 A max
• Output Voltage Holdup time: > 30 ms with 110 Vac input voltage
• Output Voltage Holdup time: > 120 ms with 220 Vac input voltage
• Isolation to other circuits: > 3000 Vrms to all other circuits
• Isolation to EARTH: > 1500 Vrms to EARTH
• Input Overvoltage Protection: ±375 Vdc @ 25 °C
• Reverse Polarity Protection: 375 Vdc
• Input Undervoltage Shutdown: ~65 Vdc, non-latching