{"product_id":"s9841da-yokogawa-analog-digital-i-o-module-new-original-stock","title":"S9841DA YOKOGAWA Analog\/Digital I\/O Module New \u0026 Original Stock","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA S9841DA\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eS9841DA\u003c\/strong\u003e I\/O Module, operates as a dedicated hardware component for mixed-signal acquisition and digital control execution within YOKOGAWA PLC and DCS platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eS9841DA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eYOKOGAWA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eSubject to factory batch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003eInput Channels\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e8 (Analog\/Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eOutput Channels\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e8 (Digital)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e0-24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eOutput Voltage Range\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e1500 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003eResponse Time\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e\u0026lt; 1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eChannel-to-Channel Isolation \u0026amp; Signal Conditioning\u003c\/h3\u003e\n\u003cp\u003eThe S9841DA provides high-speed data acquisition for industrial control loops. The module architecture incorporates 1500 VAC galvanic isolation between the field-side interface and the internal system backplane. This isolation prevents ground loops and electrical transients from propagating through the Yokogawa FA-M3 or CENTUM backplane during high-speed switching events. The input stages are configured for threshold detection of 0-24 VDC signals, ensuring deterministic response times of less than 1 ms, which is necessary for critical process interlocks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: How does the S9841DA handle high-speed digital input filtering?\u003c\/p\u003e\n\u003cp\u003eA: The module includes hardware-level debouncing filters to ignore transient contact bounce in mechanical switch inputs. The input response time of \u0026lt;1 ms is maintained through an optimized sampling clock, ensuring that digital state changes are registered within the controller's scan cycle.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module compatible with FA-M3 series backplanes?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the S9841DA is designed for integration within the FA-M3 rack system. Ensure that the module is assigned a valid base and slot address through the engineering software to correctly map the 8 analog\/digital inputs and 8 digital outputs to the CPU's memory register space.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify that the I\/O rack is properly grounded to a clean earth busbar to maintain the efficacy of the 1500 VAC isolation barrier.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for all analog input channels to mitigate common-mode noise, especially when the signal source is located outside the control cabinet.\u003c\/li\u003e\n\u003cli\u003eEnsure that the 24 VDC output load current does not exceed the per-channel design limit to prevent thermal degradation of the output driver stages.\u003c\/li\u003e\n\u003cli\u003eTighten all terminal screws to the required torque specification and perform a continuity check on signal loops before energizing the I\/O rack.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49134527283452,"sku":"S9841DA","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/41d288bcc6bad398b3b9aed91cfcacfe_medium_e0b6a27c-9c1c-424e-9840-13192856fe7b.jpg?v=1779764754","url":"https:\/\/www.electronicplc.com\/products\/s9841da-yokogawa-analog-digital-i-o-module-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}