Woodward 9907-963 EasyGen® Speed Switch Module​

Parameter Specification
​​Manufacturer​​ Woodward
​​Product Family​​ EasyGen® 3200 Series
​​Model Number​​ 9907-963
​​Function​​ Speed Switch/Protection Module
​​Input Types​​ Magnetic Pickup (MPU), Proximity Sensor
​​Input Frequency Range​​ 5 Hz to 12 kHz (typical)
​​Setpoint Range​​ 50 to 9,999 RPM (configurable)
​​Setpoint Accuracy​​ ±1 RPM (digital resolution)
​​Time Delay Range​​ 0.1 to 25.5 seconds (programmable)
​​Output Relays​​ 2 SPDT relays (overspeed and underspeed)
​​Relay Rating​​ 5A, 30V DC / 250V AC resistive
​​Power Supply​​ 11-35V DC (standard)
​​Operating Temperature​​ -40°C to +85°C
​​Safety Standards​​ ISO 13849, IEC 61508 (SIL compliant)
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Description

​​Woodward 9907-963 EasyGen® Speed Switch Module​​

​​Product Overview​​

The Woodward ​​9907-963​​ is a highly reliable Speed Switch Module designed for the EasyGen® 3200 series control systems. This specialized module provides critical overspeed and underspeed protection for engines, turbines, and rotating machinery across various industrial applications. As part of Woodward’s comprehensive control and protection ecosystem, the 9907-963 offers precise speed monitoring with configurable setpoints and time delays, ensuring equipment operates within safe speed ranges while providing essential shutdown protection against potentially damaging overspeed conditions.

​​Key Features​​

  • ​​Dual Setpoint Configuration​​: Independently configurable overspeed and underspeed protection thresholds
  • ​​Flexible Input Options​​: Supports magnetic pickups (MPU) and proximity sensors for speed detection
  • ​​Adjustable Time Delays​​: Programmable delays for overspeed and underspeed conditions to prevent nuisance trips
  • ​​Self-Diagnostics​​: Continuous monitoring of input signal quality and module health
  • ​​LED Status Indicators​​: Comprehensive visual status for power, input signal, and trip conditions
  • ​​Robust Construction​​: Industrial-grade design for harsh operating environments
  • ​​Easy Integration​​: Seamless compatibility with EasyGen® 3200 series control platforms

​​Technical Specifications​​

Parameter Specification
​​Manufacturer​​ Woodward
​​Product Family​​ EasyGen® 3200 Series
​​Model Number​​ 9907-963
​​Function​​ Speed Switch/Protection Module
​​Input Types​​ Magnetic Pickup (MPU), Proximity Sensor
​​Input Frequency Range​​ 5 Hz to 12 kHz (typical)
​​Setpoint Range​​ 50 to 9,999 RPM (configurable)
​​Setpoint Accuracy​​ ±1 RPM (digital resolution)
​​Time Delay Range​​ 0.1 to 25.5 seconds (programmable)
​​Output Relays​​ 2 SPDT relays (overspeed and underspeed)
​​Relay Rating​​ 5A, 30V DC / 250V AC resistive
​​Power Supply​​ 11-35V DC (standard)
​​Operating Temperature​​ -40°C to +85°C
​​Safety Standards​​ ISO 13849, IEC 61508 (SIL compliant)

9907-1199

​​Ordering Information​​

Part Number Description
​​9907-963​​ Speed Switch Module
​​9907-963-01​​ With extended temperature range
​​9907-963-KIT​​ Installation kit with connectors and documentation

​​Functional Description​​

​​Speed Sensing​​

  • Accepts signals from magnetic pickups or proximity sensors
  • Automatic signal validation and quality monitoring
  • Configurable pulses per revolution (1-255 PPR)

​​Protection Functions​​

  • ​​Overspeed Protection​​: Monitors for speed exceeding preset limit
  • ​​Underspeed Protection​​: Detects speed falling below minimum threshold
  • ​​Programmable Delays​​: Adjustable trip delays for both functions

​​Output Configuration​​

  • Two independent SPDT relay outputs
  • Configurable normally open/closed contacts
  • Relay status indication via LED indicators

​​Typical Applications​​

  • ​​Generator Sets​​: Engine overspeed protection for diesel and gas generators
  • ​​Industrial Turbines​​: Speed monitoring for mechanical drive turbines
  • ​​Compressor Systems​​: Rotating equipment protection in pipeline applications
  • ​​Marine Propulsion​​: Main engine overspeed protection
  • ​​Power Generation​​: Gas and steam turbine protection systems

​​Configuration and Installation​​

​​Programming Interface​​

  • EasyGen® configuration tool software
  • Front-panel pushbutton programming (basic settings)
  • RS-232/RS-485 communication interface

​​Installation Requirements​​

  • Secure mounting in control panel
  • Proper shielding for sensor wiring
  • Adequate ventilation and clearance
  • Compliance with local electrical codes

​​Calibration Procedure​​

  1. Configure pulses per revolution setting
  2. Set overspeed and underspeed thresholds
  3. Adjust time delays as required
  4. Verify operation through testing
  5. Document settings for future reference

​​Safety and Compliance​​

​​Certifications​​

  • CE Marked for European market
  • UL/cUL listed components
  • ISO 9001 quality management
  • RoHS compliant

​​Safety Features​​

  • Fault detection and annunciation
  • Fail-safe relay operation
  • Redundant power supply options
  • Tamper-proof settings protection

Please contact Sunny sales@xiongbagk.cn for the best price.

➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com

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