{"product_id":"yokogawa-ms31-a-centum-interface-module-card","title":"Yokogawa MS31*A CENTUM Interface Module Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa MS31*A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMS31\u003c\/strong\u003e Interface Module Card, operates as a dedicated hardware component for high-density system bus data communication and process integration within Yokogawa CENTUM platforms. The card interfaces directly with the system backplane to exchange analog and digital control data between local processing units and field termination assemblies.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eCode Element\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification \/ Description\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMS31\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBase model designation for high-density system interface module card series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e*\u003cstrong\u003eA\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd\u003eStyle code Revision A specifying high-density connector layout and hardware revision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\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\u003eMS31*A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.85 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e290 mm x 200 mm x 45 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eBackplane bus powered \/ 5 VDC logic supply\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Type\u003c\/td\u003e\n\u003ctd\u003eHigh-density system bus connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa CENTUM DCS Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and DCS Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe MS31*A interface module card conditions process variables across internal control subracks. Designed with channel-to-channel isolation barriers, the card decouples field signal pathways to prevent ground potential loops and suppress electromagnetic interference (EMI). The hardware routes 4-20 mA HART loop protocol parameters and high-density digital signals across the central system bus connector, maintaining frame timing and signal clarity between field instruments and host controllers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What mechanical precautions are required when connecting the MS31*A high-density system bus connector?\u003c\/p\u003e\n\u003cp\u003eA: Due to the high pin count on the system bus connector, force must be applied evenly along the card faceplate during insertion to prevent pin bending, backplane connector misalignment, or socket housing damage.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module handle high-frequency electromagnetic interference (EMI)?\u003c\/p\u003e\n\u003cp\u003eA: Internal ground planes and isolated signal paths suppress high-frequency noise and common-mode transients before field data is digitized and transferred across the backplane bus.\u003c\/p\u003e\n\u003cp\u003eQ: Can the MS31*A card be inserted while the backplane bus is energized?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping requires verifying system redundancy parameters; removing a non-redundant card disrupts the local backplane bus segment and causes connected I\/O channels to revert to safe states.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Alignment:\u003c\/strong\u003e Align the card edge guides with the slot tracks in the CENTUM subrack. Carefully slide the MS31*A card inward until the high-density system bus connector contacts the backplane receptacle.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnector Engagement:\u003c\/strong\u003e Apply steady, parallel pressure on the top and bottom ejection levers until the connector fully seats. Tighten captive retaining screws to prevent connector fretting caused by vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Shielding:\u003c\/strong\u003e Terminate communication cable shielding directly to the cabinet functional earth (FE) ground bus. Maintain single-point ground topology to prevent ground currents across the shielding layer.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Management:\u003c\/strong\u003e Verify that cabinet cooling fans provide adequate airflow through the subrack, keeping local ambient temperatures within 0 to 50 deg C.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53280901333301,"sku":"MS31*A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/MS31A.png?v=1786679264","url":"https:\/\/www.5gplc.com\/products\/yokogawa-ms31-a-centum-interface-module-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}