{"product_id":"atr8d-00-yokogawa-8-channel-dual-terminal-block","title":"ATR8D-00 Yokogawa 8-Channel Dual Terminal Block","description":"\u003ch2\u003eYokogawa ATR8D-00 Redundant Terminal Block\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa ATR8D-00\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eATR8D\u003c\/strong\u003e Dual Pressure Clamp Terminal Block, operates as a dedicated hardware component for 8-channel temperature input modules within CENTUM VP and CS 3000 FIO Subsystem platforms. Configured for dual-redundant signal branching, the unit provides direct physical\/electrical execution of low-voltage sensor connections to multiple I\/O subsystems simultaneously.\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\u003eATR8D-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\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Yokogawa FIO terminal block profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive component (No independent power draw)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e8 channels (Dual-redundant support)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection Interface\u003c\/td\u003e\n\u003ctd\u003eM3.5 pressure clamp terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Sensors\u003c\/td\u003e\n\u003ctd\u003eRTD (Pt100, Pt50), Thermocouple (K, J, T, E)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e500 VAC between terminals and ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 10 MOhm at 500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation Integration\u003c\/h3\u003e\n\u003cp\u003eThe terminal block routes raw field signals from RTD and thermocouple sensors over a dual-path layout, splitting the data matrix to redundant input modules like the AAR181 without signal loss. Internal trace pathways feature precise tracking to facilitate cold junction compensation (CJC) stability across all thermocouple configurations. The physical design ensures channel-to-channel isolation integrity is maintained upstream, safeguarding the 4-20 mA HART loop protocol architectures or dedicated temperature lines against common-mode noise propagation and atmospheric grounding interference.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the ATR8D-00 require a power supply to maintain the redundant signal paths?\u003c\/p\u003e\n\u003cp\u003eA: No, this unit is a passive hardware component utilizing internal hardwired physical traces to branch the incoming 8-channel signals. It requires no external power connections to function.\u003c\/p\u003e\n\u003cp\u003eQ: Can wire leads be safely connected or disconnected while the paired I\/O modules are powered?\u003c\/p\u003e\n\u003cp\u003eA: Field signal wiring can be adjusted on the M3.5 clamps while the backplane is active, provided the technician uses insulated tools. However, care must be exercised not to short adjacent low-voltage temperature signals, which can cause transient diagnostic faults on the active DCS modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eSnap the ATR8D-00 base assembly firmly onto the dedicated DIN-rail or field enclosure mounting plate, checking the mechanical latch engagement.\u003c\/li\u003e\n\u003cli\u003eStrip the field sensor wires to the recommended specification, insert them cleanly into the M3.5 pressure clamps, and torque the screws to standard industrial ratings.\u003c\/li\u003e\n\u003cli\u003eRoute thermocouple extension wire or RTD cabling away from any parallel running high-voltage AC conduits to prevent induction noise.\u003c\/li\u003e\n\u003cli\u003eVerify that the terminal block grounding terminal connects directly to the system instrumentation ground bar using low-impedance copper wire.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":42870833283162,"sku":"ATR8D-00","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/125._0b1b2353-1d86-4ab4-9acc-14e46c7d6366.jpg?v=1773025737","url":"https:\/\/www.spareoil.com\/products\/atr8d-00-yokogawa-8-channel-dual-terminal-block","provider":"SpareOil Automation","version":"1.0","type":"link"}