{"product_id":"emerson-epro-mms6120-a6120-movement-monitoring-board","title":"Emerson Epro MMS6120\/A6120 Movement Monitoring Board","description":"\u003cp\u003eThe \u003cstrong\u003eEmerson Epro MMS6120\/A6120\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMMS6120\u003c\/strong\u003e Movement Monitoring Board, operates as a dedicated hardware component for axial position and mechanical displacement signal evaluation within Emerson Epro MMS 6000 machinery protection system racks.\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\u003eMMS6120\/A6120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eEmerson \/ Epro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard 3U European card format (100 mm x 160 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e8.5 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Input\u003c\/td\u003e\n\u003ctd\u003eDual channel eddy-current proximity transducer inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBias Voltage Range\u003c\/td\u003e\n\u003ctd\u003e-2.0 VDC to -18.0 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Interfaces\u003c\/td\u003e\n\u003ctd\u003eDual 4-20 mA current loops, raw buffered signal terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBias Monitoring \u0026amp; Eddy-Current Transducer Scaling\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eEmerson Epro MMS6120\/A6120\u003c\/strong\u003e evaluates static displacement and dynamic rotor position through dual-channel eddy-current probe scaling. The board Continuously monitors the DC bias voltage component from the signal conditioner to determine the exact mechanical air gap between the probe tip and target shaft.\u003c\/p\u003e\n\u003cp\u003eAn internal voltage comparator circuit provides gap voltage validation targeted around -10 VDC nominal operating points. Deviations beyond configurable thresholds indicate mechanical wear, target over-travel, or transducer line fault conditions. Integrated filtering algorithms achieve effective cross-talk suppression between adjacent probe lines within high-density monitoring racks, preserving signal integrity across the signal processing backplane.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the module handle transducer bias voltage faults?\u003c\/p\u003e\n\u003cp\u003eA: If the DC bias voltage moves outside the valid -2.0 VDC to -18.0 VDC window, the board triggers an internal System Fault relay, sets the affected 4-20 mA channel to an out-of-range status condition, and inhibits false mechanical trip signals.\u003c\/p\u003e\n\u003cp\u003eQ: Can the board be replaced while the monitoring rack is powered?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the board supports hot-swapping within the MMS 6000 rack frame, provided the associated channel shutdown logic is placed in bypass mode prior to card extraction.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the MMS 6000 rack rear terminal strip is wired using individually shielded twisted-pair cables for all probe signal inputs.\u003c\/li\u003e\n\u003cli\u003eGround the cable shielding at the rack side only to eliminate ground loops and prevent low-frequency interference.\u003c\/li\u003e\n\u003cli\u003eConfirm that the proximity transducer driver outputs are set to match the input impedance requirements of the MMS6120\/A6120 card terminals.\u003c\/li\u003e\n\u003cli\u003eVerify mechanical engagement of the card edge connector during insertion into the 3U subrack slot, securing the front panel retaining screws to achieve solid chassis grounding.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Emerson Epro","offers":[{"title":"Default Title","offer_id":48939914199155,"sku":"MMS6120\/A6120","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/MMS68232_Cocoai_ed0d70b3-5554-4c1e-bc34-1eecfa7868fa.jpg?v=1790131572","url":"https:\/\/www.dcssupplier.com\/products\/emerson-epro-mms6120-a6120-movement-monitoring-board","provider":"DcsSupplier Limited","version":"1.0","type":"link"}