{"product_id":"yokogawa-st4-d-status-input-card","title":"Yokogawa ST4*D Status Input Card","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa ST4*D\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eST4*D\u003c\/strong\u003e Multi Status Input Card, operates as a dedicated hardware component for binary state acquisition and status signal processing within Yokogawa Centum XL - micro XL control nodes. The card accepts multiple digital status inputs, routing discrete process contact states from field devices directly to the control station processor via a block connection with CCS.\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\u003eST4*D\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\u003e2.0 lbs (0.9 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e1.8 in x 7.9 in x 14.9 in (2.8 cm x 17.8 cm x 35.6 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +60 deg C (-4 to +140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem Backplane Powered\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 deg C (-40 to +185 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Humidity\u003c\/td\u003e\n\u003ctd\u003e10 to 95 %RH non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa Centum XL - micro XL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Method\u003c\/td\u003e\n\u003ctd\u003eBlock connection with CCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Configuration\u003c\/td\u003e\n\u003ctd\u003eHorizontal and vertical\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel Isolation \u0026amp; Loop Signal Processing\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa ST4*D input card incorporates high-density optocoupler arrays to maintain channel-to-channel isolation parameters across status monitoring circuits, protecting backplane logic from field-side voltage transients. The input channel filtering architecture suppresses contact bounce and high-frequency common-mode noise, maintaining signal integrity when processing discrete state updates. This isolated design ensures uninterrupted data acquisition across distributed architecture nodes while preventing ground loops from affecting adjacent 4-20 mA HART loop protocol signals or digital field network runs.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the ST4D module be installed in both horizontal and vertical chassis orientations?\u003c\/p\u003e\n\u003cp\u003eA: Yes. The ST4D hardware assembly supports both horizontal and vertical mounting configurations within compatible Yokogawa Centum XL and micro XL node card cages.\u003c\/p\u003e\n\u003cp\u003eQ: What interface method is used to connect field wiring to the ST4*D card?\u003c\/p\u003e\n\u003cp\u003eA: The module utilizes a block connection with CCS interface to route multi-point field status inputs directly to the card's input conditioning circuitry.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Power Isolation\u003c\/strong\u003e: De-energize the rack backplane power and isolate all field contact voltage sources prior to inserting or removing the ST4*D input card from the chassis slot.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCard Cage Insertion\u003c\/strong\u003e: Align the card circuit board edges with the top and bottom guide rails of the designated Centum XL - micro XL slot. Push firmly until the rear connector seats fully into the backplane socket.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Block Connection\u003c\/strong\u003e: Secure the CCS block connection housing to the front interface connector of the ST4*D card. Tighten retaining screws to lock the assembly against operational vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding\u003c\/strong\u003e: Ensure all field signal cable shields are grounded at a single dedicated system earth point to prevent ground loops and maintain electromagnetic interference immunity.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52682034774296,"sku":"ST4*D","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/screenshot_2026-09-15_09-39-55_Cocoai.jpg?v=1789437977","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-st4-d-status-input-card","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}