{"product_id":"5009-421-micronet-field-termination-discrete-i-o-module-woodward","title":"5009-421 MicroNet Field Termination Discrete I\/O Module Woodward","description":"\u003cp\u003eThe \u003cstrong\u003eWoodward 5009-421\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e5009-421\u003c\/strong\u003e MicroNet Field Termination Discrete I\/O Module, operates as a dedicated hardware component for discrete signal switching and multi-port communication routing within MicroNet gas turbine control system networks. The unit manages 12 discrete relay outputs while serving as a network hub across six 10\/100BaseT Ethernet interfaces alongside RS232 and RS422 serial links under a 18-32 VDC power input range.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eWoodward 5009-421\u003c\/strong\u003e module is supplied as a fixed hardware assembly for the MicroNet control platform. No variable sub-assembly dash options or regional configuration suffixes exist for this base part number, ensuring direct pin-to-pin functional interchangeability across field hardware drops.\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\u003e5009-421\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.82 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e305 mm (H) x 356 mm (W) x 152 mm (D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 40 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e12 VDC at 650 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e18-32 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eMicroNet Field Termination Discrete I\/O Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Outputs\u003c\/td\u003e\n\u003ctd\u003e12 relay outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Ports\u003c\/td\u003e\n\u003ctd\u003e6 x 10\/100BaseT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interfaces\u003c\/td\u003e\n\u003ctd\u003eRS232 and RS422\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eThermal Heat Sink Dissipation Profiles\u003c\/h3\u003e\n\u003cp\u003eThe module architecture incorporates passive thermal conduction pathways across the structural mounting chassis to optimize internal heat sink dissipation profiles during multi-channel operation. Internal power conversion circuits drop 18-32 VDC field power to regulated 12 VDC internal rails, dissipating operational heat evenly across the backplane housing without requiring forced-air fans. This thermal profile ensures low component stress across all 12 relay channels and integrated communication switch chips under continuous ambient temperatures up to 40 deg C.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal power conversion handle nominal field power fluctuations?\u003c\/p\u003e\n\u003cp\u003eA: The onboard power regulation circuit accepts a wide input window of 18 to 32 VDC, conditioning field power down to a regulated 12 VDC at 650 mA to drive internal logic and relay coil drivers without interruption.\u003c\/p\u003e\n\u003cp\u003eQ: What network topologies are supported by the six onboard Ethernet ports?\u003c\/p\u003e\n\u003cp\u003eA: The six 10\/100BaseT Ethernet interfaces function as an unmanaged layer-2 switch block, supporting redundant star, tree, or daisy-chain topology links between adjacent MicroNet sub-racks and human-machine interface (HMI) nodes.\u003c\/p\u003e\n\u003cp\u003eQ: What electrical isolation exists on the RS232 and RS422 serial communication circuits?\u003c\/p\u003e\n\u003cp\u003eA: The onboard serial transceivers feature internal galvanic isolation barriers designed to eliminate ground potential loops and common-mode surge currents between connected field devices and the primary controller chassis.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the module inside a clean, NEMA 12 or IP54 industrial control enclosure ensuring ambient air temperature is maintained between 0 deg C and 40 deg C.\u003c\/li\u003e\n\u003cli\u003eFasten the chassis frame securely to the backplate using standard hardware through all pre-drilled chassis mounting points to establish solid earth grounding.\u003c\/li\u003e\n\u003cli\u003eWire the primary 18-32 VDC power supply using stranded 16 AWG copper conductors, verifying correct terminal polarity prior to energizing the circuit.\u003c\/li\u003e\n\u003cli\u003eInstall flyback diodes or RC suppression networks directly across external inductive relay loads to suppress inductive voltage transients during output switching events.\u003c\/li\u003e\n\u003cli\u003eRoute Ethernet and serial communication cables through dedicated low-voltage wiring troughs, maintaining a minimum 200 mm clearance from high-voltage AC lines.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":50734105952508,"sku":"5009-421","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/5009-4211.jpg?v=1785289631","url":"https:\/\/www.electronicplc.com\/products\/5009-421-micronet-field-termination-discrete-i-o-module-woodward","provider":"Electronic PLC","version":"1.0","type":"link"}