{"product_id":"pressure-clamp-terminal-block-yokogawa-nfta4s-10","title":"Pressure Clamp Terminal Block | Yokogawa NFTA4S-10","description":"\u003ch2\u003eYokogawa NFTA4S-10 Pressure Clamp Terminal Block\u003c\/h2\u003e\n\u003cp\u003eConfigured for connecting 4-20 mA loop signals from field transmitters in Yokogawa STARDOM Distributed Control System networks, the \u003cstrong\u003eYokogawa NFTA4S-10\u003c\/strong\u003e (\u003cstrong\u003eNFTA4S-10\u003c\/strong\u003e Pressure Clamp Terminal Block) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003cp\u003eThe unit operates as a 16-channel non-isolated termination interface for analog signal aggregation into FCN-based controller I\/O modules. Channel conductors share a common reference potential, and signal integrity is dependent on loop grounding topology and external wiring discipline. Mechanical retention is achieved via pressure clamp terminals intended for vibration-prone cabinet environments.\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\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\u003eModelBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa NFTA4S-10\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\u003eApprox. 0.2 kg (net), approx. 1.0 kg (shipping)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperatingTemp\u003c\/td\u003e\n\u003ctd\u003e-40 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 active power consumption)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e16 analog channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Types\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC, 1-5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eNon-isolated, common ground architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Resistance\u003c\/td\u003e\n\u003ctd\u003e250 ohm (power ON), \u0026gt;=500 kohm (power OFF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiring Range\u003c\/td\u003e\n\u003ctd\u003e0.2 to 2.5 mm2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eIEC61010-1, UL, CSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eYokogawa STARDOM Interface Electrical Behavior\u003c\/h3\u003e\n\u003cp\u003eThe NFTA4S-10 is designed for integration with Yokogawa analog I\/O infrastructure under the STARDOM Distributed Control System architecture.\u003c\/p\u003e\n\u003cp\u003eThe non-isolated channel structure results in all 16 measurement paths referencing a shared electrical ground. In 4-20 mA loop operation, loop compliance voltage and return path impedance directly influence measurement stability. In multi-channel installations, external field wiring layout determines susceptibility to ground potential differences and induced noise coupling between adjacent channels.\u003c\/p\u003e\n\u003cp\u003eSignal conditioning is performed at the paired controller module level rather than at the terminal block, meaning the NFTA4S-10 functions strictly as a passive termination and distribution interface without galvanic separation or onboard filtering.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the NFTA4S-10 support hot-swap operation under live 4-20 mA loops?\u003c\/strong\u003e\u003cbr\u003eA: The terminal block itself has no active circuitry. However, inserting or removing field wiring under energized loop conditions can interrupt current continuity and should be evaluated against loop power design margins.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the non-isolated architecture allow channel-to-channel interference?\u003c\/strong\u003e\u003cbr\u003eA: Yes. All channels share a common ground reference. Crosstalk risk is dependent on wiring separation, shielding termination, and external loop impedance rather than internal isolation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is the input resistance stable across power states?\u003c\/strong\u003e\u003cbr\u003eA: The design specifies approximately 250 ohm during energized module operation and high impedance (\u0026gt;=500 kohm) when de-energized, affecting loop diagnostic behavior during shutdown conditions.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMaintain segregated routing between analog signal cables and high-voltage conductors to reduce inductive coupling. Shield drains should be terminated at a single cabinet reference point to avoid ground loop formation. DIN rail mounting must ensure full mechanical engagement of the terminal block to prevent micro-disconnection under vibration. Torque-free pressure clamp insertion requires fully stripped conductors within rated cross-sectional limits (0.2 to 2.5 mm2). Verify loop polarity before energization to prevent reverse current conditions in 4-20 mA circuits.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44163870326872,"sku":"NFTA4S-10","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0670\/2039\/0488\/files\/NFTA4S-10-2.jpg?v=1780306130","url":"https:\/\/www.industriaxplc.com\/products\/pressure-clamp-terminal-block-yokogawa-nfta4s-10","provider":"IndustriaX Limited","version":"1.0","type":"link"}