{"product_id":"170nef11021-schneider-modicon-communication-adaptor","title":"170NEF11021 Schneider Modicon Communication Adaptor","description":"\u003ch2\u003eSchneider Electric 170NEF11021 Modicon Momentum Communication Adaptor\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eSchneider Electric 170NEF11021\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e170NEF11021\u003c\/strong\u003e Modbus Plus Communication Adaptor, operates as a dedicated hardware component for deterministic peer-to-peer data transmission within Modicon Momentum network architectures. It manages token-passing network traffic across twisted-pair physical media to interface distributed controller bases with broader industrial 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\u003e170NEF11021\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eConsult Factory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eConsult Factory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e141.5 x 125 x 47.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePowered from Momentum I\/O base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003eModbus Plus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Rate\u003c\/td\u003e\n\u003ctd\u003e1 Mbit\/s\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTopology\u003c\/td\u003e\n\u003ctd\u003eMultidrop token bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Capacity\u003c\/td\u003e\n\u003ctd\u003e31 devices per segment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Cable Distance\u003c\/td\u003e\n\u003ctd\u003e5000 m with repeater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Communication and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe communication adaptor links directly with the Modicon Momentum backplane bus, transferring network frames between the Modbus Plus token ring and the controller logic at 1 Mbit\/s. System engineers rely on high firmware flash compatibility to ensure seamless network handshakes across legacy and upgraded base assemblies. Furthermore, deterministic backplane bus communication velocity guarantees rapid packet processing while internal bus-to-logic isolation shields system electronics from network voltage surges.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 170NEF11021 be disconnected from the Modicon Momentum base while powered?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping or removing the module while the base remains energized is restricted, as active electrical transients on the backplane can damage internal logic components. Always isolate power prior to extraction.\u003c\/p\u003e\n\u003cp\u003eQ: How does the adaptor handle network communication failures or token loss?\u003c\/p\u003e\n\u003cp\u003eA: The device supports user-configurable fail-state options, including maintaining the last valid value, falling back to zero, or forcing outputs to a safe zero state upon communication interruption.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eMount the adaptor directly onto the designated Modicon Momentum base, ensuring that mechanical locking clips latch completely. Connect the twisted-pair cabling securely to the designated network ports, maintaining appropriate termination resistors at both ends of the Modbus Plus trunk line. Route communication cables away from high-voltage motor wires and switching drives to suppress electromagnetic noise and prevent token degradation.\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":43917304725603,"sku":"170NEF11021","price":190.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/238_4a628d47-307f-4b6c-b2a5-fbe2bb619c03.jpg?v=1766720573","url":"https:\/\/www.autocontrolglobal.com\/products\/170nef11021-schneider-modicon-communication-adaptor","provider":"AutoControl Global","version":"1.0","type":"link"}