{"product_id":"1756-l81es-allen-bradley-safety-controller-controllogix-5580","title":"1756-L81ES Allen-Bradley Safety Controller ControlLogix 5580","description":"\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1756-L81ES\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1756-L81ES\u003c\/strong\u003e Safety Controller, operates as a dedicated hardware component for safety logic processing and high-speed motion execution within ControlLogix EtherNet\/IP architectures.\u003c\/p\u003e\n\u003ch3\u003eFunctional Suffix Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1756\u003c\/strong\u003e: ControlLogix platform module and backplane chassis designation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eL81\u003c\/strong\u003e: Controller processing core with 3 MB standard user memory.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eE\u003c\/strong\u003e: Integrated 1 Gbps high-speed Ethernet communication port.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eS\u003c\/strong\u003e: SIL 3 \/ PLe functional safety coprocessor capability with 1.5 MB safety memory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Performance 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-L81ES\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 cm x 14.4 cm 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 power dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard User Memory\u003c\/td\u003e\n\u003ctd\u003e3 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety User Memory\u003c\/td\u003e\n\u003ctd\u003e1.5 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNonvolatile Memory\u003c\/td\u003e\n\u003ctd\u003e2 GB onboard storage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmbedded Ethernet Port\u003c\/td\u003e\n\u003ctd\u003e1 x 1 Gbps Ethernet port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet\/IP Node Support\u003c\/td\u003e\n\u003ctd\u003eUp to 100 Ethernet\/IP devices\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB Port Communication\u003c\/td\u003e\n\u003ctd\u003eUSB 2.0 full speed (12 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLocal Status Interface\u003c\/td\u003e\n\u003ctd\u003e4-character alpha\/numeric display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eEtherNet\/IP Deterministic Networks and Flash Mechanics\u003c\/h3\u003e\n\u003cp\u003eThe controller executes deterministic EtherNet\/IP network protocols via the integrated 1 Gbps port to achieve high-throughput cyclic data exchange with up to 100 field nodes. High backplane bus communication velocity guarantees low-latency signal distribution across local ControlLogix I\/O modules. The onboard nonvolatile memory system utilizes firmware flash compatibility routines to maintain user programs, task configurations, and safety parameter arrays without battery dependency during complete utility power interruption.\u003c\/p\u003e\n\u003ch3\u003eShipping Package Contents\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Allen-Bradley 1756-L81ES GuardLogix Safety Controller\u003c\/li\u003e\n\u003cli\u003e1 x 2 GB Secure Digital (SD) Nonvolatile Memory Card (Pre-installed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical Installation Protocol\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eChassis Slot Insertion\u003c\/p\u003e\n\u003cp\u003eAlign the controller circuit board with the ControlLogix 1756 chassis guide rails and push until the top and bottom retention latches snap securely.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGrounding Setup\u003c\/p\u003e\n\u003cp\u003eEnsure the 1756 chassis backplane frame is bonded directly to protective earth (PE) with low-impedance copper grounding straps.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEthernet Port Wiring\u003c\/p\u003e\n\u003cp\u003eConnect standard Cat 5e or Cat 6 STP ethernet cabling with metal-shielded RJ45 plugs directly to the 1 Gbps front panel port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUSB Diagnostic Access\u003c\/p\u003e\n\u003cp\u003eUtilize the front-panel USB port solely for temporary programming, firmware update, or system commissioning via Studio 5000 software.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eThermal Spacing Guidelines\u003c\/p\u003e\n\u003cp\u003eMaintain adequate enclosure ventilation to keep ambient temperatures within 0 to 60 deg C during maximum continuous CPU load.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHardware Technical Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the maximum number of EtherNet\/IP devices managed directly by the embedded Ethernet interface?\u003c\/p\u003e\n\u003cp\u003eThe controller supports direct communication with up to 100 EtherNet\/IP target nodes using the built-in 1 Gbps Ethernet port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping or Removal and Insertion Under Power (RIUP) permitted for the 1756-L81ES?\u003c\/p\u003e\n\u003cp\u003eYes, the module supports RIUP while installed in an energized 1756 ControlLogix chassis without interrupting active backplane communications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat data transmission speed is supported on the front panel USB programming interface?\u003c\/p\u003e\n\u003cp\u003eThe integrated USB port operates under the USB 2.0 full-speed protocol, delivering data transfer speeds up to 12 Mbps for maintenance connection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat nonvolatile storage capacity is supplied with the controller module?\u003c\/p\u003e\n\u003cp\u003eThe unit comes equipped with 2 GB of nonvolatile memory to retain user project logic, firmware binaries, and system diagnostic records.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is system diagnostic status displayed on the hardware front panel?\u003c\/p\u003e\n\u003cp\u003eSystem operational statuses, fault codes, and network parameters are displayed directly via an integrated 4-character alpha\/numeric display screen.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat thermal power dissipation must be accounted for in cabinet heating calculations?\u003c\/p\u003e\n\u003cp\u003eThe module generates a maximum continuous power dissipation of 6.2 W during standard operational execution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the functional safety memory allocation compared to standard memory?\u003c\/p\u003e\n\u003cp\u003eThe hardware features 3 MB of standard user application memory combined with a separate 1.5 MB safety memory partition for fail-safe tasks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhich software environment is required for configuration and firmware flash updates?\u003c\/p\u003e\n\u003cp\u003eConfiguration and firmware flashing are managed using the Studio 5000 Logix Designer application suite.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066419433645,"sku":"1756-L81ES","price":159.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1756-l81es_1.jpg?v=1787028973","url":"https:\/\/www.maxwellplc.com\/products\/1756-l81es-allen-bradley-safety-controller-controllogix-5580","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}