{"product_id":"s9981de-02-yokogawa-interface-unit-new-original-stock","title":"S9981DE-02 Yokogawa Interface Unit | New \u0026 Original Stock","description":"\u003cp\u003eThe \u003cstrong\u003eYokogawa S9981DE-02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eS9981DE-02\u003c\/strong\u003e Interface Unit, operates as a dedicated hardware component for multi-signal data acquisition and communication within industrial control networks.\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\u003eS9981DE-02\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\u003e1.0 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e482 mm x 210 mm x 220 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eConsult system environmental specifications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard internal chassis power\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Count\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Compatibility\u003c\/td\u003e\n\u003ctd\u003eThermocouples, RTDs, Voltage, Current, Digital\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe unit facilitates signal processing by bridging diverse field instrumentation types with the central control system. To maintain measurement precision in high-noise environments, the architecture utilizes galvanically isolated channels, which effectively mitigate cross-talk and ground loop interference between disparate signal sources. This isolation is critical for maintaining high accuracy across the 16 available channels, particularly when mixing low-voltage sensor inputs like thermocouples or RTDs with higher-level analog current or voltage signals.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the S9981DE-02 support hot-swapping during system operation?\u003c\/p\u003e\n\u003cp\u003eA: Online insertion and removal are dependent on the specific host system configuration and power management settings of the mounting rack. Verify system documentation to determine if the backplane supports live-swapping for this interface unit.\u003c\/p\u003e\n\u003cp\u003eQ: Are individual channels configurable for different sensor types?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the unit is engineered to handle multiple input types across its 16 channels, provided the channel configuration is correctly mapped within the system's software\/firmware environment to match the specific sensor excitation and impedance requirements.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eVerify that the interface unit dimensions (482 mm width) align with standard 19-inch rack mounting requirements for the control cabinet.\u003c\/li\u003e\n\u003cli\u003eEnsure the unit is properly bonded to the cabinet's protective earth (PE) ground to maintain the effectiveness of the channel isolation and surge protection.\u003c\/li\u003e\n\u003cli\u003eSeparate low-level sensor cabling (thermocouples\/RTDs) from high-power AC lines to prevent induced electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eUtilize shielded twisted-pair wiring for all analog input loops and terminate shields at the designated ground bars to maintain noise immunity.\u003c\/li\u003e\n\u003cli\u003eAfter physical installation and wiring, perform a channel-by-channel calibration check to verify signal linearity and accuracy for each connected device.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49174439231740,"sku":"S9981DE-02","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/S9981DE-02.jpg?v=1780971137","url":"https:\/\/www.electronicplc.com\/ar\/products\/s9981de-02-yokogawa-interface-unit-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}