{"product_id":"woodward-5501-381-micronet-tmr-series-datasheet-technical-manual","title":"Woodward 5501-381 MicroNet TMR Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eWoodward 5501-381 MicroNet TMR 220VAC Power Supply\u003c\/h2\u003e\n\u003cp\u003eConfigured for primary energy distribution in MicroNet Triple Modular Redundant (TMR) control platforms, the \u003cstrong\u003eWoodward 5501-381\u003c\/strong\u003e (\u003cstrong\u003e5501-381 Rev G\u003c\/strong\u003e Power Supply) provides direct physical\/electrical execution.\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\u003e5501-381 (Revision G)\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\u003e750 g (1.65 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard MicroNet TMR power slot footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to +60 deg C (Storage range: -40 to +85 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eMaximum Input Power: 1250 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e220 VAC Nominal (180-264 VAC Range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Frequency Range\u003c\/td\u003e\n\u003ctd\u003e47-63 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e6.7 A Maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHoldup Time Duration\u003c\/td\u003e\n\u003ctd\u003e1 cycle (Approx. 16.7-20 ms) @ 220 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Protection Circuit\u003c\/td\u003e\n\u003ctd\u003eIntegrated circuit breaker and 10 A time-delay fuse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostic Array\u003c\/td\u003e\n\u003ctd\u003eFront-panel LEDs: Input Fault, Power Supply Fault, Overtemp, System OK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration Strategy\u003c\/td\u003e\n\u003ctd\u003eParallel load sharing with Hot-Swap capability\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Drive \u0026amp; Governor Feedback Logic\u003c\/h3\u003e\n\u003cp\u003eThe Woodward 5501-381 integrates heavy-duty holdup capacitor arrays to sustain a 16.7-20 ms power-fail ride-through envelope, keeping TMR processor voltages stable during brief utility grid dropouts. The internal switching architecture utilizes automated harmonic distortion suppression parameters to eliminate line-borne noise before it can introduce jitter into adjacent turbine speed tracking or actuator loop feedback response paths. When paired in a parallel redundancy chassis layout, the module executes active load-sharing functions, balancing output currents evenly while keeping thermal profiles low across the internal components.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the Hot-Swap feature function during a live module extraction inside a running TMR chassis?\u003c\/p\u003e\n\u003cp\u003eA: The 5501-381 is fully isolated for live extraction and insertion when operating in a parallel redundant setup. Internal blocking diodes prevent current backfeeding, allowing a technician to swap out a faulted power card without disrupting the 24 VDC logic backplane or dropping active governor control loops.\u003c\/p\u003e\n\u003cp\u003eQ: What protective actions execute automatically when internal temperatures cross the design threshold?\u003c\/p\u003e\n\u003cp\u003eA: If the module climbs past its internal thermal operating limits, the onboard diagnostics trip the Overtemp LED and flag a system fault bit across the communication bus. If temperatures continue to rise, the over-temperature circuit cuts output current to protect the internal conversion stages from thermal runaway.\u003c\/p\u003e\n\u003cp\u003eQ: How do the integrated 10 A time-delay fuse and circuit breaker handle input current surges?\u003c\/p\u003e\n\u003cp\u003eA: The internal breaker manages short-duration circuit overloads and allows for manual resets, while the 10 A time-delay fuse operates as a secondary backup. This dual-layer layout allows normal, transient inrush currents to pass during startup but clears the AC input line immediately if a sustained short circuit occurs.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Slot Seating:\u003c\/strong\u003e Guide the power supply module straight along the designated tracks of the MicroNet TMR power chassis. Firmly press the module inward to completely lock the heavy-duty rear connectors into the backplane, then hand-tighten the integrated retaining hardware.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAC Supply Circuit Isolation:\u003c\/strong\u003e Route the primary 220 VAC power feed through a separate physical conduit path. Keep these high-voltage AC lines isolated from low-voltage MPU speed sensor tracks or actuator control cables to prevent electromagnetic noise coupling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Ground Verification:\u003c\/strong\u003e Confirm that the power supply chassis ground path connects directly to the master plant instrumentation earth network through the rack frame. Do not share this ground path with high-power industrial induction motor neutrals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConvection Cooling Clearances:\u003c\/strong\u003e Ensure the top and bottom cooling vents on the chassis enclosure remain free of obstructions. Because the module can draw up to 1250 VA, maintaining clear airflow is vital to prevent heat buildup from triggering thermal safety shutdowns.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":42870826860634,"sku":"5501-381","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/189.jpg?v=1772763595","url":"https:\/\/www.spareoil.com\/products\/woodward-5501-381-micronet-tmr-series-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}