9907-167 Woodward Details
9907-167 Woodward Function
Application: Digital governor for single extraction/admission steam turbines.
Control: Dual-actuator regulation for turbine speed and load.
9907-167 Woodward Specs
Power: 18–32 Vdc (24 Vdc nominal).
Processor: 32-bit microprocessor.
Temp: -25°C to +65°C operating range.
Rating: NEMA 4 integrated enclosure.
9907-167 Woodward I/O & Comm
HMI: 30-key pad with a 2-line text display.
Outputs: 2 actuator, 6 current, and 8 relay outputs.
Protocol: Standard Modbus network communication.
9907-167 Woodward Compliance
Certifications: CE, UL, and cUL industrial standards.
Shock/Vibe: Verified via MIL-STD-810C military testing.
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9907-167 Digital Governor Control Unit Images
9907-167 Digital Governor Control Unit
9907-167 Digital Governor Control Unit
9907-167 Digital Governor Control Unit
Woodward 9907-167 FAQ
Q1: How does the Woodward 9907-167 maintain system stability during field dynamics?
A1: The Woodward 9907-167 utilizes specialized PID algorithms configured for decouple control. When steam demand fluctuates, the unit recalculates valve demands simultaneously to stabilize grid frequency or extraction header pressure without causing process oscillations.
Q2: What is the recommended field testing and commissioning routine for the Woodward 9907-167?
A2: Commissioning the 9907-167 requires using its integrated software program mode to configure critical turbine parameters like overspeed trip points and valve curves. All initial safety configurations can be safely simulation-tested via the front terminal block before introducing live high-pressure steam.
A2: Commissioning the 9907-167 requires using its integrated software program mode to configure critical turbine parameters like overspeed trip points and valve curves. All initial safety configurations can be safely simulation-tested via the front terminal block before introducing live high-pressure steam.
Q3: Can the Woodward 9907-167 be deployed in harsh industrial or hazardous atmospheres?
A3: Yes, the physical chassis of the 9907-167 is engineered for severe plant floors. Its robust casing protects sensitive internal logic boards against high humidity, structural vibration, and corrosive airborne elements common in chemical processing facilities and paper mills.
A3: Yes, the physical chassis of the 9907-167 is engineered for severe plant floors. Its robust casing protects sensitive internal logic boards against high humidity, structural vibration, and corrosive airborne elements common in chemical processing facilities and paper mills.
Q4: How does a field engineer perform localized fault diagnostics on a Woodward 9907-167 unit?
A4: Real-time troubleshooting on the 9907-167 Woodward is managed through its front display matrix. Internal system faults, sensor failures, and I/O loop breaks generate specific diagnostic alarm codes on the screen, allowing operators to isolate issues without external service tools.
A4: Real-time troubleshooting on the 9907-167 Woodward is managed through its front display matrix. Internal system faults, sensor failures, and I/O loop breaks generate specific diagnostic alarm codes on the screen, allowing operators to isolate issues without external service tools.
Q5: What is the standard lifecycle maintenance protocol for the Woodward 9907-167 hardware?
A5: The solid-state architecture of the Woodward 9907-167 requires minimal routine maintenance. However, plants should perform annual calibrations on the connected speed-sensing probes and execute periodic backups of the internal EEPROM configuration file to prevent data loss during facility blackouts.
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