{"product_id":"cmw112-woodward-series-datasheet-technical-manual","title":"CMW112 Woodward Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eWoodward CMW112 Control Unit\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eWoodward CMW112\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCMW112\u003c\/strong\u003e Control Unit, operates as a dedicated hardware component for digital engine and turbine parameter monitoring within governor and process management networks.\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\u003eCMW112\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\u003e0.3 - 0.72 kg (variant dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e19.1 x 2.5 x 23.5 cm \/ 160 x 130 x 60 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApplication dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e12\/24 VDC (9-32 VDC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInputs\u003c\/td\u003e\n\u003ctd\u003e8 analog (4-20 mA \/ 0-5 V), 16 digital (NO\/NC configurable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutputs\u003c\/td\u003e\n\u003ctd\u003e8 relay outputs (5 A @ 250 VAC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eCAN, Modbus TCP\/IP, RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcitation CT Ratio\u003c\/td\u003e\n\u003ctd\u003e500A\/5A (excitation variant specific)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e0.2 class (excitation variant specific)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Rating\u003c\/td\u003e\n\u003ctd\u003eIP54 - IP65 (variant dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eActuator Loop Feedback Response\u003c\/h3\u003e\n\u003cp\u003eThe control unit utilizes an internal microprocessor to execute closed-loop PID control algorithms, managing actuator loop feedback response timelines. Real-time digital inputs and analog current signals are processed concurrently to resolve dynamic speed and load setpoints. Integrated circuitry layout supports harmonic distortion suppression to prevent electrical noise from corrupting low-voltage signal paths across the 9-32 VDC power supply bounds.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the internal hardware mitigate signal drift across the extended operating temperature range?\u003c\/p\u003e\n\u003cp\u003eA: The printed circuit board layout features specific thermal heat sink dissipation profiles that stabilize internal analog-to-digital converters, preserving a 0.2 class accuracy from -40 to +85 deg C.\u003c\/p\u003e\n\u003cp\u003eQ: Can the serial and Ethernet communication channels function simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The hardware architecture processes CAN, RS-485 Modbus, and Modbus TCP\/IP networks via independent physical layers, ensuring zero data collision or latency penalties during concurrent telemetry operations.\u003c\/p\u003e\n\u003cp\u003eQ: What fail-safe actions occur when the hardware detects an overspeed or overload state?\u003c\/p\u003e\n\u003cp\u003eA: The integrated processor bypasses secondary logic tracks to drive the 8 output relays into a pre-configured open or closed state within milliseconds, isolating the connected governor or fuel actuator loop.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Grounding:\u003c\/strong\u003e Connect a dedicated low-impedance ground strap from the grounding stud on the unit chassis directly to the primary electrical enclosure ground plane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCT Splicing Restrictions:\u003c\/strong\u003e For excitation current transformer variants, ensure the secondary circuits are completely de-energized or shorted prior to routing or landed onto the terminal blocks to prevent open-circuit induction faults.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Separation:\u003c\/strong\u003e Route all 4-20 mA and communication cables through separate, grounded steel conduits away from 250 VAC relay wiring or high-current power feeds to avoid cross-talk.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Torque:\u003c\/strong\u003e Tighten all termination screws to the recommended standard engineering torque matrix to minimize mechanical vibration fatigue and high-resistance connection points.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":43431320485978,"sku":"CMW112","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/284_a0d036f7-b741-4fe1-9a0c-33ebe64d2075.jpg?v=1780017702","url":"https:\/\/www.spareoil.com\/products\/cmw112-woodward-series-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}