{"product_id":"digital-i-o-terminal-blocks-pressure-clamp-yokogawa-stb4d-00","title":"Digital I\/O Terminal Blocks | Pressure Clamp Yokogawa STB4D-00","description":"\u003ch2\u003eYokogawa STB4D-00 Pressure Clamp Terminal Block\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa STB4D-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eSTB4D\u003c\/strong\u003e Pressure Clamp Terminal Block, operates as a dedicated hardware component for digital I\/O field termination within ProSafe-RS and CENTUM VP I\/O subsystems. It provides passive electrical interface routing between field wiring and redundant digital input\/output modules without signal conditioning or processing logic.\u003c\/p\u003e\n\u003cp\u003eYokogawa Electric Corporation Yokogawa\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTB4D\u003c\/strong\u003e: Base terminal block platform for digital I\/O termination in redundant architectures\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-00 (Suffix Code 1)\u003c\/strong\u003e: No surge absorber integrated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e-0 (Suffix Code 2)\u003c\/strong\u003e: Fixed configuration identifier, no functional variation defined by suffix\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-20 degC to +70 degC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePowerConsumption\u003c\/td\u003e\n\u003ctd\u003ePassive device (no internal consumption)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePressure Clamp Terminal Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Capacity\u003c\/td\u003e\n\u003ctd\u003e8-channel \/ 16-channel dependent on I\/O base configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Method\u003c\/td\u003e\n\u003ctd\u003ePressure clamp termination\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSurge Protection\u003c\/td\u003e\n\u003ctd\u003eNot included (suffix -00)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eProSafe-RS, CENTUM VP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eDigital I\/O field termination (redundant configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch2\u003eProcess Control Interface Characteristics\u003c\/h2\u003e\n\u003ch3\u003eChannel Termination Architecture and Field Signal Routing\u003c\/h3\u003e\n\u003cp\u003eThe STB4D-00 is implemented as a passive termination stage in Yokogawa DCS I\/O cabinets. It provides point-to-point routing for discrete signals into system I\/O modules, where electrical segregation is defined at the system backplane and I\/O module level rather than within the terminal block assembly itself. The structure supports wiring density optimization for multi-channel digital signal bundles in redundant controller architectures.\u003c\/p\u003e\n\u003cp\u003eChannel-to-channel separation is mechanically defined through terminal spacing and wiring layout discipline. Signal integrity is dependent on external shielding practices, cabinet grounding topology, and I\/O module isolation design rather than internal electronics.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the STB4D-00 support hot-swap operation?\u003c\/strong\u003e\u003cbr\u003eA: The terminal block is passive. Hot-swap capability is determined by the connected I\/O module and system backplane, not the terminal block itself.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is any internal signal conditioning or isolation implemented?\u003c\/strong\u003e\u003cbr\u003eA: No active circuitry is present. Electrical separation is provided by external system I\/O module architecture and cabinet wiring design.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can surge protection be added internally?\u003c\/strong\u003e\u003cbr\u003eA: This variant (-00) does not include surge absorbers. External protection devices must be implemented at system or marshalling level if required.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure all field wiring is isolated from power circuits before termination\u003c\/li\u003e\n\u003cli\u003eMaintain consistent shield grounding strategy at cabinet entry point only\u003c\/li\u003e\n\u003cli\u003eObserve minimum bending radius for multi-core digital signal cables to avoid conductor stress\u003c\/li\u003e\n\u003cli\u003eVerify terminal torque or pressure clamp engagement per cabinet wiring specification\u003c\/li\u003e\n\u003cli\u003eKeep redundant channel pairs physically separated within marshalling layout to reduce coupling effects\u003c\/li\u003e\n\u003cli\u003eConfirm continuity and insulation resistance prior to energizing I\/O subsystem\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44153040142424,"sku":"STB4D-00","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/STB4D-00-2.jpg?v=1780026637","url":"https:\/\/www.industriaxplc.com\/products\/digital-i-o-terminal-blocks-pressure-clamp-yokogawa-stb4d-00","provider":"IndustriaX Limited","version":"1.0","type":"link"}