{"product_id":"yokogawa-sec402-21-esb-bus-coupler-module","title":"Yokogawa SEC402-21 ESB Bus Coupler Module","description":"\u003cp\u003eConfigured for high-speed bus master interfacing in distributed process control platforms, the \u003cstrong\u003eYokogawa SEC402-21\u003c\/strong\u003e (\u003cstrong\u003eSEC402-21\u003c\/strong\u003e ESB Bus Coupler Module) provides direct physical\/electrical execution.\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\u003eSEC402-21\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\u003e0.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Rack Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard Industrial Rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e0.5 A current consumption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Speed\u003c\/td\u003e\n\u003ctd\u003e128 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003eUp to 10 meters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnectable Nodes\u003c\/td\u003e\n\u003ctd\u003eUp to 13 I\/O nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol and Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eThe hardware configuration maintains strict electrical isolation across internal bus communication interfaces to eliminate ground loop interference and suppress common-mode transient voltage spikes across extended node links. Integration with standard process control communication protocols and 128 Mbps transmission parameters ensures deterministic data transfer, low-latency master interfacing, and transparent diagnostic feedback across connected safety and control I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the restrictions regarding cable length for the SEC402-21 module?\u003c\/p\u003e\n\u003cp\u003eA: Transmission distance is restricted to a maximum of 10 meters of cable length to maintain signal integrity and prevent data corruption at 128 Mbps speeds.\u003c\/p\u003e\n\u003cp\u003eQ: How many I\/O nodes can be connected to a single bus coupler module?\u003c\/p\u003e\n\u003cp\u003eA: The module supports connection for up to 13 I\/O nodes within the specified bus topology limits.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the unit directly into the designated slot of the node base, ensuring physical alignment with backplane connectors before engaging securing screws. Route communication cabling away from high-voltage power conduits and use shielded cables to preserve bus transmission integrity. Terminate cable shielding and ground drain wires securely to the designated cabinet earth grounding bar.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":50364128526588,"sku":"SEC402-21","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/SEC402-211.jpg?v=1784597681","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-sec402-21-esb-bus-coupler-module","provider":"Electronic PLC","version":"1.0","type":"link"}