{"product_id":"n0311gd-foxboro-industrial-i-o-interface-board","title":"N0311GD Foxboro Industrial I\/O Interface Board","description":"\u003cp\u003eConfigured for real-time signal conditioning and multiprotocol field communications in Foxboro I\/A Series DCS networks, the \u003cstrong\u003eFoxboro N0311GD\u003c\/strong\u003e (\u003cstrong\u003eN0311GD\u003c\/strong\u003e Industrial I\/O Interface Board) provides direct physical\/electrical execution. It handles multi-channel data exchange across field instruments and system control nodes via integrated Ethernet, RS-232, and RS-485 interfaces.\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\u003eN0311GD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eFoxboro\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\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\u003e24 VDC nominal supply (redundant power input supported)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eEthernet (10\/100 Mbps), RS-232, RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU, Modbus TCP\/IP, HART, proprietary Foxboro protocols\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRedundancy\u003c\/td\u003e\n\u003ctd\u003eDual-network fault-tolerant configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Features\u003c\/td\u003e\n\u003ctd\u003eEMI\/RFI shielding, surge protection, conformal coating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eFoxboro I\/A Series Distributed Control System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Loop Protocol Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe Foxboro N0311GD includes galvanic channel-to-channel isolation barriers across serial and Ethernet physical layers to eliminate common-mode noise interference in demanding field environments. Integrated transceiver hardware supports 4-20 mA HART loop protocol pass-through alongside Modbus communications, preventing ground loop coupling and protecting process measurement accuracy from cold junction compensation (CJC) offsets.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What communication protocols are supported on the serial and Ethernet ports of the N0311GD interface board?\u003c\/p\u003e\n\u003cp\u003eA: The board natively supports Modbus RTU, Modbus TCP\/IP, 4-20 mA HART loop protocol pass-through, and proprietary Foxboro system bus protocols.\u003c\/p\u003e\n\u003cp\u003eQ: How does the N0311GD support fault-tolerant network topologies?\u003c\/p\u003e\n\u003cp\u003eA: The hardware includes dual-network connection ports, enabling concurrent redundant bus links to prevent data communication loss upon single cable or port failure.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003ePosition the N0311GD board into its designated chassis or rack slot, ensuring that the backplane pin assembly aligns fully prior to applying insertion force. Fasten all panel thumb screws to secure electrical contact with the system chassis ground frame.\u003c\/p\u003e\n\u003cp\u003eRun RS-485 and Ethernet field communications lines using shielded twisted-pair cables, keeping data lines physically separated from high-voltage AC conductors. Terminate cable shields directly to the panel earth bus bar, ensuring all metallic conduit fittings maintain a minimum of 5 full threads of engagement on NPT connection points.\u003c\/p\u003e","brand":"Foxboro","offers":[{"title":"Default Title","offer_id":53399646011701,"sku":"N0311GD","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/N0311GA_3c97747c-ffae-443e-ae4f-107e839f5608.png?v=1787637221","url":"https:\/\/www.5gplc.com\/products\/n0311gd-foxboro-industrial-i-o-interface-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}