{"product_id":"woodward-5437-523c-analog-field-terminal-module","title":"Woodward 5437-523C Analog Field Terminal Module","description":"\u003cp\u003eConfigured for sensor signal conditioning and field wiring termination in VMEbus control platforms, the \u003cstrong\u003eWoodward 5437-523C\u003c\/strong\u003e (\u003cstrong\u003e5437-523C\u003c\/strong\u003e Field Terminal Module) 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\u003e5437-523C\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\u003e0.55 lbs (0.25 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e6.25 in x 3.50 in x 2.75 in (15.88 cm x 8.89 cm x 6.99 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial Range (-40 to +70 deg C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard VMEbus Backplane Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eVMEbus Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExcitation Current\u003c\/td\u003e\n\u003ctd\u003e2 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeasurement Accuracy\u003c\/td\u003e\n\u003ctd\u003e0.5 percent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Impedance\u003c\/td\u003e\n\u003ctd\u003e2.2 Mohm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommon Mode Rejection Ratio\u003c\/td\u003e\n\u003ctd\u003e-90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Frequency\u003c\/td\u003e\n\u003ctd\u003e3 kHz\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 \u0026amp; Actuator Loop Feedback\u003c\/h3\u003e\n\u003cp\u003eInternal excitation current regulation (2 mA) and high-impedance input buffer circuits generate localized heat dissipated via natural air convection across the compact module frame. Efficient thermal heat sink dissipation prevents thermal drift, maintaining 0.5 percent measurement accuracy and a -90 dB common-mode rejection ratio. The 1500 VAC continuous galvanic isolation barrier blocks ground potential offsets, preserving fast actuator loop feedback response times during high-frequency (3 kHz) signal processing.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eQ: How does the 1500 VAC isolation barrier protect internal VMEbus backplane electronics?\u003c\/li\u003e\n\u003cli\u003eA: Continuous galvanic isolation isolates field-side sensor wiring from the sensitive VMEbus system logic, preventing field surge voltages and common-mode ground loops from damaging backplane components.\u003c\/li\u003e\n\u003cli\u003eQ: What cable shielding practices are recommended for the 2.2 Mohm high-impedance input channels?\u003c\/li\u003e\n\u003cli\u003eA: Sensor wiring must use individually shielded twisted-pair conductors, with shield drain wires connected to a single ground point to maximize common-mode noise rejection (-90 dB CMRR).\u003c\/li\u003e\n\u003cli\u003eQ: What is the primary purpose of the integrated 2 mA excitation source?\u003c\/li\u003e\n\u003cli\u003eA: The regulated 2 mA current output provides stable sensor excitation for compatible resistive transducers and field devices without requiring separate external power supplies.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMount the terminal module securely to the designated panel position or VMEbus interface assembly using specified mounting hardware.\u003c\/li\u003e\n\u003cli\u003eConnect shield drain wires directly to the main chassis grounding bar to maintain maximum noise immunity across signal channels.\u003c\/li\u003e\n\u003cli\u003eEnsure sensor signal leads and excitation lines are routed in separate grounded wireways away from high-voltage AC conductors.\u003c\/li\u003e\n\u003cli\u003eVerify field wiring polarity and terminal screw torque before applying power to the VMEbus rack assembly.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Woodward","offers":[{"title":"Default Title","offer_id":50738806522108,"sku":"5437-523C","price":120.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/5437-523C.jpg?v=1785376956","url":"https:\/\/www.electronicplc.com\/products\/woodward-5437-523c-analog-field-terminal-module","provider":"Electronic PLC","version":"1.0","type":"link"}