{"product_id":"yokogawa-stb4d-00-digital-i-o-terminal-block","title":"Yokogawa STB4D-00 Digital I\/O Terminal Block","description":"\u003cp\u003eConfigured for high-density field wiring termination in CENTUM VP DCS architectures, the \u003cstrong\u003eYokogawa STB4D-00\u003c\/strong\u003e (\u003cstrong\u003eSTB4D-00\u003c\/strong\u003e Digital I\/O Terminal Block) provides direct physical\/electrical execution. The component provides pressure clamp connection points for discrete digital input\/output signals, facilitating dual redundant module configuration across industrial control 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\u003eSTB4D-00\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\u003e0.45 kg (1.00 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa Terminal Block Dimensions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive (No external power required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eTerminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Type\u003c\/td\u003e\n\u003ctd\u003ePressure clamp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eDigital I\/O interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Redundancy\u003c\/td\u003e\n\u003ctd\u003eSupports dual redundant configuration\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 \u0026amp; 4-20 mA HART Loop Protocol\u003c\/h3\u003e\n\u003cp\u003eThe Yokogawa STB4D-00 interface unit preserves noise immunity between field instrumentation and backplane processing electronics through internal trace isolation barriers. Designed to accommodate high-density control loops, the terminal assembly maintains signal integrity across channel-to-channel isolation boundaries while preventing ground loop cross-talk. Grounding paths and conductor traces support continuous 4-20 mA HART loop protocol routing alongside FOUNDATION Fieldbus \/ Profibus PA connectivity networks without causing signal decay or thermal degradation affecting cold junction compensation (CJC) reference points.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the STB4D-00 support redundant I\/O module topologies?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the STB4D-00 terminal block is designed to support dual redundant configuration for digital input and output modules.\u003c\/p\u003e\n\u003cp\u003eQ: What termination mechanism is used for field wiring on the STB4D-00?\u003c\/p\u003e\n\u003cp\u003eA: The STB4D-00 utilizes integrated pressure clamp terminals for field conductor attachment.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Isolation\u003c\/strong\u003e: Disconnect all field signal sources and system power feeds before attaching or removing field wiring from the STB4D-00 assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Procedure\u003c\/strong\u003e: Secure the terminal block onto the matching module base or mounting rail, verifying physical locking latches are fully engaged to withstand vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Connection\u003c\/strong\u003e: Insert stripped conductor leads directly into the pressure clamp terminals. Ensure wire gauges comply with terminal clamp specifications to maintain low contact resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShield Termination\u003c\/strong\u003e: Route digital I\/O lines in grounded wireways separate from high-voltage AC cables. Connect drain wires to the central enclosure earth ground bar.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":52682027237656,"sku":"STB4D-00","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/3483\/3688\/files\/STB4D-002_Cocoai.jpg?v=1789437970","url":"https:\/\/www.innoplcsync.com\/products\/yokogawa-stb4d-00-digital-i-o-terminal-block","provider":"InnoPLC Sync Co., Ltd.","version":"1.0","type":"link"}