{"product_id":"tert-a-yokogawa-field-i-o-terminal-block","title":"TERT*A Yokogawa Field I\/O Terminal Block","description":"\u003ch2\u003eYokogawa TERT*A Terminal Block\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa TERT*A\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eTERT*A\u003c\/strong\u003e Terminal Block, operates as a dedicated hardware component for field signal marshalling and distribution within Yokogawa FIO and CENTUM VP system platforms.\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\u003eTERT*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\u003eIndonesia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e4.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eIndustrial cabinet mounting standard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0 W (Passive)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16 independent channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e≥100 MΩ at 500 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDielectric Strength\u003c\/td\u003e\n\u003ctd\u003e500 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Signal Marshalling Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe TERT*A module serves as a primary passive interface for routing analog and digital signals from field instrumentation into the DCS architecture. It provides robust 16-channel connectivity, utilizing channel-to-channel isolation to prevent potential cross-talk during signal propagation. As an interface device, it supports 4-20 mA HART loop protocol paths when paired with appropriate I\/O modules, ensuring that field sensor inputs remain galvanically separated from the controller logic. The internal design leverages a multi-layer contact structure to minimize contact resistance, which is critical when maintaining high-accuracy RTD measurements or sensitive analog sensor data across the field marshalling layer.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the TERT\u003ci\u003eA provide active signal conditioning for incoming RTD signals? A: No, the TERT\u003c\/i\u003eA is a strictly passive terminal interface. It provides physical connectivity and transition points for field wiring but performs no amplification, filtering, or conversion of raw sensor signals.\u003c\/p\u003e\n\u003cp\u003eQ: Is the TERT*A compatible with field-side high-voltage transients?\u003c\/p\u003e\n\u003cp\u003eA: The module is rated for a dielectric strength of 500 V AC. While this provides isolation for standard control signals, it is not intended to withstand direct high-voltage surges or power-side fault conditions. External surge protection devices must be installed if the application environment includes potential high-energy transients.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Stability\u003c\/strong\u003e: Given the 4 kg mass of the unit, ensure the cabinet mounting rail or backplane is rated to support the weight. Secure all four corners of the block to the mounting surface to prevent vibration-induced stress on the terminal connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Constraints\u003c\/strong\u003e: Utilize M4 torque-controlled screwdrivers to secure field wiring. Ensure wires are stripped to the appropriate length to prevent exposed copper while maintaining full engagement with the screw clamp.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding and Grounding\u003c\/strong\u003e: To maintain signal integrity, terminate all cable shields to the cabinet ground bus bar as close to the TERT*A as possible. Ensure the impedance between the terminal block common reference and the system ground is maintained at a minimal level.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment\u003c\/strong\u003e: Ensure the cabinet internal temperature remains within the specified 0 deg C to 50 deg C range. Avoid placement near heat-generating power components to prevent thermal degradation of the housing polymer.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43576191516762,"sku":"TERT*A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/419.1_cc8a9753-2016-4187-b4ef-c53605824392.jpg?v=1782874370","url":"https:\/\/www.spareoil.com\/products\/tert-a-yokogawa-field-i-o-terminal-block","provider":"SpareOil Automation","version":"1.0","type":"link"}