{"product_id":"1757-ffld2-allen-bradley-controllogix-fieldbus-linking-module","title":"1757-FFLD2 Allen-Bradley ControlLogix Fieldbus Linking Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1757-FFLD2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1757-FFLD2\u003c\/strong\u003e Fieldbus Linking Module, operates as a dedicated hardware component for bridging FOUNDATION Fieldbus H1 networks to high-speed Ethernet backbones within ControlLogix system architectures.\u003c\/p\u003e\n\u003ch3\u003eProduct Variants \u0026amp; Identification\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1757-FFLD2\u003c\/strong\u003e bridges fieldbus device segments directly to higher-level automation networks. Spare catalog representations include the \u003cstrong\u003e1757FFLD2\u003c\/strong\u003e and revision designation \u003cstrong\u003e1757-FFLD2\/A\u003c\/strong\u003e. The module integrates up to four H1 FOUNDATION Fieldbus channels and a single 10\/100 Mbps Ethernet connection to process process-level field data.\u003c\/p\u003e\n\u003ch3\u003eElectrical \u0026amp; Operational Specifications\u003c\/h3\u003e\n\u003cfigure\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\u003e1757-FFLD2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\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\u003e0.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e19.1 x 12.7 x 8.9 cm\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\u003eNonoperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.2 W (300 mA at 24 VDC nominal, 1.5 A max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePhysical Interfaces\u003c\/td\u003e\n\u003ctd\u003e2 or 4 H1 FOUNDATION Fieldbus, 1 10\/100 Ethernet RJ45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Devices Per H1\u003c\/td\u003e\n\u003ctd\u003e16 (8 to 10 recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Devices Per Module\u003c\/td\u003e\n\u003ctd\u003e64\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% noncondensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTariff Code\u003c\/td\u003e\n\u003ctd\u003e8537101190\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDeterministic Network Bridging \u0026amp; Firmware Execution\u003c\/h3\u003e\n\u003cp\u003eThe module manages data translation between FOUNDATION Fieldbus H1 field devices and EtherNet\/IP deterministic networks without introducing system latency. Firmware flash compatibility allows remote updating of protocol stacks over the Ethernet interface. Optimized memory mapping maintains high-speed backplane bus communication velocity when transferring fieldbus blocks to the main controller image, while flexible configuration scaling accommodates up to 64 field instruments per linking module.\u003c\/p\u003e\n\u003ch3\u003eDelivery Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 1757-FFLD2 Fieldbus Linking Module\u003c\/li\u003e\n\u003cli\u003e1 x Protective Static Shielding Bag\u003c\/li\u003e\n\u003cli\u003e1 x Terminal Connector Block Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Mounting \u0026amp; Wiring Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDisconnect input power sources before handling or mounting the module to prevent electrical shock or equipment damage.\u003c\/li\u003e\n\u003cli\u003eMount the module securely onto standard DIN rail or chassis infrastructure inside a protected control enclosure.\u003c\/li\u003e\n\u003cli\u003eTerminate H1 fieldbus segments using approved shielded twisted-pair cables with 100-ohm line terminators at both ends of the trunk.\u003c\/li\u003e\n\u003cli\u003eConnect low-impedance ground bonding wires directly from the shield terminal to the central enclosure earth ground bus.\u003c\/li\u003e\n\u003cli\u003eRoute Ethernet lines and low-voltage fieldbus signal leads away from high-voltage motor circuits and variable frequency drives.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat supply voltage and current does the 1757-FFLD2 require?\u003c\/p\u003e\n\u003cp\u003eThe module operates on 24 VDC power, drawing a nominal current of 300 mA under standard operation and a maximum current of 1.5 A.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many FOUNDATION Fieldbus devices can connect to a single H1 channel?\u003c\/p\u003e\n\u003cp\u003eEach H1 physical interface supports up to 16 fieldbus devices, though 8 to 10 devices per segment are recommended for optimal scan times.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the total device capacity for one 1757-FFLD2 module?\u003c\/p\u003e\n\u003cp\u003eThe module can aggregate and manage data from a maximum of 64 FOUNDATION Fieldbus devices across all integrated H1 channels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat network interface provides communication to the ControlLogix system?\u003c\/p\u003e\n\u003cp\u003ePrimary connectivity to the supervisory system is provided via a standard 10\/100 Mbps RJ45 Ethernet port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow are fieldbus cable shields properly grounded on this module?\u003c\/p\u003e\n\u003cp\u003eCable shields should be connected to the dedicated ground terminal and bonded to earth at a single point to prevent ground loop noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat thermal limits must be observed during module operation?\u003c\/p\u003e\n\u003cp\u003eThe unit is specified for continuous operation within ambient temperature limits ranging from 0 deg C up to 60 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan the firmware on the 1757-FFLD2 be upgraded in the field?\u003c\/p\u003e\n\u003cp\u003eYes, firmware flash compatibility permits field updates over the local Ethernet communication port using standard configuration tools.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat relative humidity conditions are acceptable for operation?\u003c\/p\u003e\n\u003cp\u003eThe module operates in relative humidity environments ranging from 5% to 95%, provided the air remains noncondensing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066422710445,"sku":"1757-FFLD2","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1757-FFLD2_1-0.jpg?v=1786348421","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1757-ffld2-allen-bradley-controllogix-fieldbus-linking-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}