{"product_id":"9907-031-woodward-723-series-datasheet-technical-manual","title":"9907-031 Woodward 723 Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eWoodward 9907-031 723 Digital Speed Control Series\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWoodward 9907-031\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e9907-031\u003c\/strong\u003e Digital Speed Control, operates as a dedicated hardware component for frequency regulation and Isochronous or Droop load sharing within 723 and 723PLUS Digital Control network architectures.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e9907-031\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eWoodward\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.67 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e41.28 cm x 29.21 cm x 6.04 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e40 W Nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003eLow Voltage (LV) DC source (18-40 VDC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication Profile\u003c\/td\u003e\n\u003ctd\u003eStandard PGEN with DSLC Load Sharing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed Sensing\u003c\/td\u003e\n\u003ctd\u003eMagnetic Pickups (MPU) or Proximity switches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Logic\u003c\/td\u003e\n\u003ctd\u003eProportional, Integral, and Derivative (PID) speed control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis Material\u003c\/td\u003e\n\u003ctd\u003eFully enclosed aluminum\/steel for high EMI protection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-55 to +105 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCertifications\u003c\/td\u003e\n\u003ctd\u003eUL\/cUL Listed for Class I, Division 2, Groups A, B, C, D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Drives \u0026amp; Governors Properties\u003c\/h3\u003e\n\u003cp\u003eThe Woodward 9907-031 incorporates specific internal thermal heat sink dissipation profiles to stabilize the digital processing circuits under sustained 40 W execution loads. Designed to operate alongside DSLC modules in parallel generator configurations, the speed control board tracks engine speed metrics through magnetic pickup links, computing Proportional, Integral, and Derivative (PID) output trends. The integrated hardware structure handles multi-engine synchronization by adjusting governor loop dynamics to maintain deterministic tracking and damp oscillation waves within the governing control loop.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the input voltage parameters for the Low Voltage (LV) variant of the 723 series?\u003c\/p\u003e\n\u003cp\u003eA: The 9907-031 operates exclusively within a low voltage envelope, requiring a steady 18-40 VDC primary power rail. Fluctuations extending outside this input voltage range can trigger internal undervoltage protection networks and disrupt the speed sensing processing loop.\u003c\/p\u003e\n\u003cp\u003eQ: How does this module manage load sharing across multiple engine configurations?\u003c\/p\u003e\n\u003cp\u003eA: The module relies on integrated firmware subroutines to handle Isochronous or Droop load sharing strategies. It communicates directly with Woodward DSLC networks to balances kW loads across distinct generator sets without causing frequency drift on the main utility bus.\u003c\/p\u003e\n\u003cp\u003eQ: Is this speed control module approved for deployment in hazardous industrial locations?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit carries UL\/cUL certifications confirming electrical compliance for Class I, Division 2, Groups A, B, C, and D areas, provided the heavy-duty metal chassis integrity and terminal cable seals remain completely intact.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Layout Alignment:\u003c\/strong\u003e Bolt the aluminum\/steel enclosure securely onto a flat, unpainted grounding surface inside the terminal cabinet. Ensure the mounting area meets the thermal dissipation requirements to prevent local stagnation zones when temperatures approach 70 deg C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpeed Sensor Cable Layout:\u003c\/strong\u003e Wire the MPU or proximity switch line using dedicated twisted-pair, double-shielded copper cable. Ground the cable shielding elements exclusively at the 723 control chassis terminal block to block electromagnetic field interference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDC Input Terminal Fusing:\u003c\/strong\u003e Install an appropriate inline fuse or circuit breaker on the positive line of the 18-40 VDC incoming power connection to protect the internal digital components against overcurrent surges.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Separating Distances:\u003c\/strong\u003e Keep all low-voltage logic wires and governor output lines at a distance of no less than 30 cm from high-amperage AC supply lines, field excitation lines, and high-voltage generator switching lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":42870827614298,"sku":"9907-031","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/181.1_899c2396-57ea-4d2b-8bc6-d539ff0d8111.jpg?v=1772760636","url":"https:\/\/www.spareoil.com\/products\/9907-031-woodward-723-series-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}