{"product_id":"woodward-8440-2166-microprocessor-based-process-controller-1","title":"WOODWARD 8440-2166 Microprocessor-Based Process Controller","description":"\u003cp\u003eThe \u003cstrong\u003eWoodward 8440-2166\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e8440-2166\u003c\/strong\u003e Process Controller, serves as the primary microprocessor-based automatic synchronizer utilized to execute phase-matching, frequency-locking, and voltage-balancing routines across three-phase generator networks. This dynamic control unit monitors alternating current electrical vectors and drives governors and voltage regulators to safely bridge independent generation assets to a common utility bus.\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\u003e8440-2166 (84402166)\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\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSPM-D \/ Automatic Synchronizer Series\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\u003e2.00 lbs (0.91 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMicroprocessor-Based Process Controller \/ Synchronizer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Phase Profile\u003c\/td\u003e\n\u003ctd\u003eThree-Phase AC monitoring and synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Power\u003c\/td\u003e\n\u003ctd\u003eAC operated path configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Display\u003c\/td\u003e\n\u003ctd\u003eIntegrated high-visibility LED display matrix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunctional Category\u003c\/td\u003e\n\u003ctd\u003eControls \u0026amp; Indicators \/ Temperature and Process Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003ePower Generation and Synchronizer Loop Communication\u003c\/h3\u003e\n\u003cp\u003eThe process controller implements continuous phase-angle evaluation matrices to maintain sub-millisecond synchronization accuracy across distribution grids. When processing high-frequency alternating current telemetry inputs directly from three-phase generator potential transformers (PTs)—including line-to-line voltages and real-time wave frequencies—the internal microprocessor tracks the slip frequency relative to the live bus bars.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the 8440-2166 controller execute a fail-safe block if the alternating current input signal encounters phase unbalance or dropouts?\u003c\/p\u003e\n\u003cp\u003eA: The microprocessor loops execute continuous phase-symmetry checks. If any single phase drops out or if the voltage vector variance exceeds the pre-programmed unbalance tolerance boundaries, the controller sets a synchronization fault register, illuminates the corresponding front panel error indicator, and blocks the automatic breaker closure relay to prevent a catastrophic out-of-phase connection.\u003c\/p\u003e\n\u003cp\u003eQ: What are the installation requirements regarding the grounding of the potential transformer (PT) loops wired into the AC operated controller terminals?\u003c\/p\u003e\n\u003cp\u003eA: All three-phase potential transformer secondary circuits must be grounded at a single, solid reference node within the instrumentation enclosure. Running multiple ground links across the PT signals can generate localized ground loop differentials that introduce voltage measurement offsets into the 8440-2166 scaling registers, corrupting phase-angle matching metrics.\u003c\/p\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":45079883415667,"sku":"8440-2166","price":400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-06-08_17-28-06_abba65a8-8c24-42f4-a964-5d163456fef3.png?v=1780912809","url":"https:\/\/www.dcssupplier.com\/products\/woodward-8440-2166-microprocessor-based-process-controller-1","provider":"DcsSupplier Limited","version":"1.0","type":"link"}