{"product_id":"yokogawa-s9981de-02-centum-vp-bus-interface-module","title":"Yokogawa S9981DE-02 CENTUM VP Bus Interface Module","description":"\u003ch2\u003eYokogawa S9981DE-02 ESB\/N-ESB Bus Interface Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eYokogawa S9981DE-02\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eASS9981DE-02\u003c\/strong\u003e Bus Interface Module, operates as a dedicated hardware component for high-speed signal distribution within CENTUM VP and ProSafe-RS system architectures.\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\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e44.5 cm x 13.3 cm x 2.5 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Method\u003c\/td\u003e\n\u003ctd\u003eESB\/N-ESB protocol with optical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eStar or daisy-chain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 10 km (with Vnet\/IP R1.03+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eS9981DE-02\u003c\/strong\u003e provides critical galvanic and optical isolation between the bus and the internal system components, effectively suppressing electromagnetic interference in noisy environments. The module maintains signal integrity through dual redundant ESB\/N-ESB communication channels, which facilitate seamless failover capabilities. By utilizing optical transmission, the unit enables significant distance extensions, supporting complex network topologies including star and daisy-chain configurations. The architecture ensures that process data packets maintain high-speed determinism, which is requisite for the integration of Distributed Control Systems (DCS) and Safety Instrumented Systems (SIS).\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the S9981DE-02 support hot-swapping within the backplane?\u003c\/p\u003e\n\u003cp\u003eA: No. Power must be isolated from the specific slot before removing or installing the module to prevent electrical arcing or damage to the backplane communication pins.\u003c\/p\u003e\n\u003cp\u003eQ: How should the redundant bus channels be configured to ensure zero-loss communication?\u003c\/p\u003e\n\u003cp\u003eA: Both channels must be connected to independent physical paths. Ensure that the Vnet\/IP firmware version is R1.03 or higher to enable the maximum 10 km transmission distance support.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Preparation:\u003c\/strong\u003e Ensure the installation environment is free from excessive vibration and remains within the specified temperature range of -20 deg C to +60 deg C.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Secure the unit firmly into the designated backplane slot. Verify that the chassis ground is connected to a low-impedance earth point to maximize the effectiveness of the module's EMC shielding.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded twisted-pair or fiber-optic cabling as required by the specific bus topology. Maintain physical separation between signal cables and high-voltage power lines to prevent induced noise.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValidation:\u003c\/strong\u003e After installation, utilize the system diagnostics to perform a bus status monitoring check. Confirm that the optical link indicators reflect stable connectivity across all redundant channels before finalizing the loop commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43585258717274,"sku":"S9981DE-02","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/435._0078bedc-8cdc-487c-b727-3036b1e974bd.jpg?v=1783039666","url":"https:\/\/www.spareoil.com\/products\/yokogawa-s9981de-02-centum-vp-bus-interface-module","provider":"SpareOil Automation","version":"1.0","type":"link"}