{"product_id":"s9879uk-analog-input-connector-unit-yokogawa","title":"S9879UK Analog Input Connector Unit Yokogawa","description":"\u003cp\u003eConfigured for high-density signal distribution in CENTUM control systems, the \u003cstrong\u003eYokogawa S9879UK\u003c\/strong\u003e (\u003cstrong\u003eS9879UK\u003c\/strong\u003e Analog Input Connector Unit) provides direct physical\/electrical execution of field-to-backplane wiring termination.\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\u003eS9879UK\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\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e50 mm x 32.8 mm x 107.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to 70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePassive Component\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContact Resistance\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;= 5 mOhm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Current\u003c\/td\u003e\n\u003ctd\u003e5 A per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation Material\u003c\/td\u003e\n\u003ctd\u003eUL94 V-0 flame-retardant plastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDCS Signal Integrity and Loop Management\u003c\/h3\u003e\n\u003cp\u003eThe S9879UK facilitates connectivity within CENTUM VP and CS 3000 architectures by maintaining a consistent 4-20 mA HART loop protocol environment for analog inputs. The unit utilizes channel-to-channel isolation architecture, which is critical when managing multiple heterogeneous sensor inputs in a single cabinet. To maintain measurement precision, the terminal design accounts for potential thermal fluctuations by ensuring low-resistance contacts, thereby minimizing signal drift that would otherwise be corrected by cold junction compensation (CJC) or other software-level compensation methods within the DCS controller.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the S9879UK support hot-swapping during active operation?\u003c\/p\u003e\n\u003cp\u003eA: No. Disconnecting the connector unit while the I\/O loop is energized may result in an open-circuit fault on the analog input channel. All loops must be set to manual or maintenance mode and power isolated before removal.\u003c\/p\u003e\n\u003cp\u003eQ: Are there specific torque requirements for the field wiring terminals on this unit?\u003c\/p\u003e\n\u003cp\u003eA: Yes. Although the unit utilizes metal spring contacts, ensure that the wire gauge inserted does not exceed the maximum capacity. Maintain a torque of 0.5 Nm for any screw-type terminals associated with the interconnection to ensure stable contact resistance of \u0026lt;= 5 mOhm.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Ensure the connector unit is mounted in an orientation that prevents the accumulation of conductive dust. Utilize standard DIN-rail or rack-mount hardware provided with the CENTUM cabinet backplane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Segregation\u003c\/strong\u003e: Route analog signal cables at least 150 mm away from AC power lines or high-frequency switching drives to prevent induced common-mode noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShielding\u003c\/strong\u003e: Terminate cable shields to the designated common ground bar within the cabinet. Do not daisy-chain shields between modules; each loop shield must be bonded directly to the cabinet ground reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental\u003c\/strong\u003e: Maintain ambient operating temperatures within -20 deg C to 70 deg C. In high-humidity environments, utilize conformal coating or cabinet heaters to prevent moisture condensation on the terminal pins.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49518014562556,"sku":"S9879UK","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/S9879UK.jpg?v=1783906475","url":"https:\/\/www.electronicplc.com\/es\/products\/s9879uk-analog-input-connector-unit-yokogawa","provider":"Electronic PLC","version":"1.0","type":"link"}