{"product_id":"1785-l40e-e-allen-bradley-plc-5-series-ethernet-ip-controller","title":"1785-L40E\/E Allen-Bradley PLC-5 Series EtherNet\/IP Controller","description":"\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong\u003eAllen-Bradley 1785-L40E\/E\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003ePLC-5\/40E\u003c\/strong\u003e EtherNet\/IP Controller, operates as a dedicated hardware component for programmable logic execution and network communication within the Allen-Bradley PLC-5 control platform.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003eModel Identification\u003c\/h3\u003e\n\u003cp\u003eThe 1785-L40E\/E is a PLC-5\/40E processor module with integrated Ethernet communication capability. It provides SRAM memory storage, processor execution functions, and multiple communication interfaces including Ethernet, Data Highway Plus (DH+), Remote I\/O, and serial communication ports.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cdiv class=\"group TyagGW_tableContainer\"\u003e\n\u003cdiv class=\"TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\"\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\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\u003e1785-L40E\/E\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePLC Processors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003ePLC-5\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\u003e1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e20.3 x 5.1 x 27.9 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003ePLC-5\/40E CPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Type\u003c\/td\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e48 K Words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Port\u003c\/td\u003e\n\u003ctd\u003e1 Ethernet communication port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDH+\/Remote I\/O Ports\u003c\/td\u003e\n\u003ctd\u003e2 ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Interface\u003c\/td\u003e\n\u003ctd\u003e1 RS-232-C \/ RS-422A \/ RS-423A port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController Platform\u003c\/td\u003e\n\u003ctd\u003ePLC-5 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3\u003eIndustrial Network and Control Features\u003c\/h3\u003e\n\u003cp\u003eThe 1785-L40E\/E integrates Ethernet communication into the PLC-5 architecture, allowing processor-level data exchange through industrial Ethernet networks. The controller maintains compatibility with DH+ and Remote I\/O networks for connection with existing Allen-Bradley automation equipment.\u003c\/p\u003e\n\u003cp\u003eFor Allen-Bradley PLC platforms, communication interface scaling depends on network architecture, node configuration, and connected I\/O devices. The processor provides deterministic control execution through the PLC-5 operating environment while supporting legacy communication protocols.\u003c\/p\u003e\n\u003cp\u003eThe module follows Allen-Bradley industrial control firmware compatibility requirements. System upgrades, replacement processors, and communication configuration changes must be verified against the installed PLC-5 hardware revision and application software.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1785-L40E\/E PLC-5\/40E EtherNet\/IP Controller\u003c\/li\u003e\n\u003cli\u003eController type: PLC-5 processor module\u003c\/li\u003e\n\u003cli\u003eMemory: 48 K Word SRAM\u003c\/li\u003e\n\u003cli\u003eIntegrated communication interfaces:\n\u003cul\u003e\n\u003cli\u003e1 x Ethernet port\u003c\/li\u003e\n\u003cli\u003e2 x DH+\/Remote I\/O channels\u003c\/li\u003e\n\u003cli\u003e1 x RS-232-C \/ RS-422A \/ RS-423A serial port\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the processor module in a compatible PLC-5 chassis configuration.\u003c\/li\u003e\n\u003cli\u003eRemove system power before inserting or removing the processor.\u003c\/li\u003e\n\u003cli\u003eVerify communication addressing before connecting Ethernet, DH+, or Remote I\/O networks.\u003c\/li\u003e\n\u003cli\u003eUse shielded and properly grounded communication cables in industrial environments.\u003c\/li\u003e\n\u003cli\u003eSeparate communication wiring from high-voltage power conductors.\u003c\/li\u003e\n\u003cli\u003eConfirm processor firmware and programming software compatibility before system commissioning.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWhat controller family does the 1785-L40E\/E belong to?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 1785-L40E\/E is a PLC-5\/40E processor module designed for the Allen-Bradley PLC-5 controller family.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhat memory capacity is available in this processor?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe processor contains 48 K Words of SRAM memory for user application storage and controller operation.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDoes the module support Ethernet communication?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes. The 1785-L40E\/E includes one Ethernet communication interface for network connectivity.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhich legacy communication networks are supported?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe controller supports DH+ and Remote I\/O communication through two dedicated communication ports.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWhat serial communication interfaces are available?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe processor provides one serial port supporting RS-232-C, RS-422A, and RS-423A communication standards.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCan the processor be replaced while the chassis is powered?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module should not be inserted or removed from an energized chassis. Follow PLC-5 installation procedures and remove power before replacement.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIs the 1785-L40E\/E compatible with modern Ethernet networks?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe module provides Ethernet communication within the PLC-5 architecture. Network compatibility depends on system design and communication configuration.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDoes the processor require firmware compatibility checking?\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes. Firmware revision compatibility should be verified when integrating the processor into an existing PLC-5 application.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066451382445,"sku":"1785-L40E\/E","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1785-L40E0.jpg?v=1785857955","url":"https:\/\/www.maxwellplc.com\/ga\/products\/1785-l40e-e-allen-bradley-plc-5-series-ethernet-ip-controller","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}