{"product_id":"1756-l81e-allen-bradley-controllogix-5580-programmable-controller-module","title":"1756-L81E Allen-Bradley ControlLogix 5580 Programmable Controller Module","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L81E\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-L81E\u003c\/strong\u003e Programmable Controller Module, operates as a dedicated hardware component for high-speed logic execution and industrial network management within ControlLogix 5580 platforms.\u003c\/p\u003e\n\u003ch3\u003eArchitecture \u0026amp; System Integration\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L81E\u003c\/strong\u003e occupies a single chassis slot within ControlLogix system backplanes (including 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 standard\/K series). The unit features 3 MB of user memory paired with a factory-included 2 GB 1784-SD2 Secure Digital card for non-volatile storage. Designed for energy efficiency, it utilizes an internal energy storage module to back up RAM data during power interruption, eliminating external lithium batteries.\u003c\/p\u003e\n\u003ch3\u003eHardware Parameters\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\u003e1756-L81E\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\u003e0.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e3.5 x 14 x 14.5 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\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e6.2 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e3 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNon-Volatile Memory\u003c\/td\u003e\n\u003ctd\u003e2 GB (1784-SD2 SD card included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Draw\u003c\/td\u003e\n\u003ctd\u003e1200 mA at 5.1 VDC, 5 mA at 1.2 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e50 V continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet Capacity\u003c\/td\u003e\n\u003ctd\u003e100 EtherNet\/IP nodes (10\/100\/1000 Mbps port)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial\/Local Port\u003c\/td\u003e\n\u003ctd\u003e1 USB 2.0 port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e128000 max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog I\/O Capacity\u003c\/td\u003e\n\u003ctd\u003e4000 max\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 Ethernet \u0026amp; Backplane Bus Communications\u003c\/h3\u003e\n\u003cp\u003eThe integrated Ethernet port on the 1756-L81E supports deterministic EtherNet\/IP networks operating at 10, 100, and 1000 Mbps for up to 100 nodes. High-speed backplane bus communication velocity enables rapid data transfer between the processor and local I\/O cards. Asynchronous I\/O execution processes updates independently of program scan routines. Firmware flash compatibility over network interfaces permits field upgrades without hardware modification.\u003c\/p\u003e\n\u003ch3\u003eDelivery Package Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 1756-L81E ControlLogix 5580 Controller Module\u003c\/li\u003e\n\u003cli\u003e1 x 1784-SD2 2 GB Secure Digital Card (Pre-installed)\u003c\/li\u003e\n\u003cli\u003e1 x Factory Sealed Protective Packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation \u0026amp; Wiring Framework\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVerify chassis backplane power is off before inserting or removing processor modules unless operating in non-hazardous locations.\u003c\/li\u003e\n\u003cli\u003eAlign the module circuit board with the top and bottom chassis guides and push firmly until top and bottom latches secure.\u003c\/li\u003e\n\u003cli\u003eConnect Category 5e or Category 6 shielded industrial Ethernet cabling to the RJ45 port for 1 Gbps network operations.\u003c\/li\u003e\n\u003cli\u003eEnsure low-impedance grounding of the ControlLogix chassis to the main enclosure earth busbar to prevent noise interference.\u003c\/li\u003e\n\u003cli\u003eAvoid routing Ethernet communication cables in close proximity to high-voltage AC or variable frequency drive power cables.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware FAQ\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the total current requirement from the backplane for the 1756-L81E?\u003c\/p\u003e\n\u003cp\u003eThe controller draws 1200 mA at 5.1 VDC and 5 mA at 1.2 VDC from the backplane, resulting in total internal power dissipation of 6.2 W.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the 1756-L81E require a lithium battery for RAM memory retention?\u003c\/p\u003e\n\u003cp\u003eNo, the unit uses an integrated maintenance-free energy storage solution to write volatile memory to non-volatile memory during power loss.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow many EtherNet\/IP nodes are supported natively by the embedded port?\u003c\/p\u003e\n\u003cp\u003eThe onboard RJ45 Ethernet port supports up to 100 EtherNet\/IP nodes and handles speeds of 10, 100, and 1000 Mbps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat non-volatile storage card is compatible with this processor?\u003c\/p\u003e\n\u003cp\u003eThe module includes and supports the 1784-SD2 2 GB Secure Digital (SD) card for non-volatile project backup and restore operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhich ControlLogix chassis models accept the 1756-L81E processor?\u003c\/p\u003e\n\u003cp\u003eIt mounts into any standard slot of ControlLogix 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 chassis (including standard and conformal coated K-versions).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does asynchronous I\/O execution affect logic programming on this model?\u003c\/p\u003e\n\u003cp\u003eBecause I\/O data updates asynchronously to the logic scan, critical input signals referenced multiple times within a single scan routine should be buffered.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat maximum discrete and analog I\/O point counts can this controller manage?\u003c\/p\u003e\n\u003cp\u003eThe 1756-L81E handles up to 128,000 discrete input\/output points and up to 4,000 analog input\/output points across supported networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat continuous isolation rating is specified for the 1756-L81E assembly?\u003c\/p\u003e\n\u003cp\u003eThe module provides a continuous isolation voltage rating of 50 V between system logic circuits and the communication ports.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066419237037,"sku":"1756-L81E","price":129.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/1756-L81E-0.jpg?v=1786349144","url":"https:\/\/www.maxwellplc.com\/ru\/products\/1756-l81e-allen-bradley-controllogix-5580-programmable-controller-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}