{"product_id":"1769-l33erms-allen-bradley-safety-cpu-new-original-stock","title":"1769-L33ERMS Allen-Bradley Safety CPU | New \u0026 Original Stock","description":"\u003ch2\u003eAllen-Bradley 1769-L33ERMS Compact GuardLogix 5370 L3 Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1769-L33ERMS\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1769-L33ERM\u003c\/strong\u003e Integrated Safety, Motion, and Standard Logic Controller, operates as a dedicated hardware component for unified functional safety and multi-axis kinematics execution within EtherNet\/IP deterministic networks.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003e1769-L33ERMS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eAllen-Bradley \/ Rockwell Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e0.40 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e132 x 89 x 114 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e8.2 W (560 mA @ 5 V DC, 225 mA @ 24 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eUser Memory\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e2 MB standard logic allocation \/ 1 MB safety allocation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eIntegrated Motion\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e8 axes of CIP Motion on EtherNet\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"11\"\u003eSafety Compliance\u003c\/td\u003e\n\u003ctd data-row=\"11\"\u003eSIL 3 (IEC 61508) and PLe (ISO 13849-1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"12\"\u003eLocal I\/O Expansion\u003c\/td\u003e\n\u003ctd data-row=\"12\"\u003e16 modules maximum (1769 Compact I\/O)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"13\"\u003ePower Supply Distance\u003c\/td\u003e\n\u003ctd data-row=\"13\"\u003e4 modules maximum distance rating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"14\"\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd data-row=\"14\"\u003e2 x RJ45 EtherNet\/IP nodes, 1 x USB 1.1 programming port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEtherNet\/IP Deterministic Networks and Firmware Flash Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe hardware contains dual integrated RJ45 ports that manage up to 32 EtherNet\/IP nodes and 8 axes of synchronized CIP motion loops. To achieve safe-speed performance limits, the controller utilizes Device Level Ring (DLR) topologies to secure deterministic data throughput during link disruptions. The main processor core and the secondary internal safety supervisor operate with strict firmware flash compatibility verification, matching the execution clocks of standard logic modules to the functional safety partition. This interlocking synchronization eliminates the need for an external safety partner module while sustaining real-time processing schedules across the local I\/O chassis.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the power supply distance rating affect the structural layout of the 1769 Compact I\/O expansion modules?\u003c\/p\u003e\n\u003cp\u003eA: The 1769-L33ERMS possesses a strict power supply distance rating of 4 modules. This means no local I\/O module can be located more than 4 slots away from the chassis power supply to ensure adequate backplane voltage stability for the safety logic.\u003c\/p\u003e\n\u003cp\u003eQ: What are the parameters regarding hot-swap capability for this controller unit?\u003c\/p\u003e\n\u003cp\u003eA: The 1769-L33ERMS does not support Removal and Insertion Under Power (RIUP). Any attempt to decouple the controller from the 1769 bus or to disconnect its power supply while energized will break the safety loop and trip all downstream actuators into a safe state.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSecure the module onto a standard 35 mm DIN rail or mount it directly to the enclosure panel using the designated integrated mounting tabs.\u003c\/li\u003e\n\u003cli\u003eVerify that the manual hardware mode switch is set to the correct operating state before completing the final commissioning step.\u003c\/li\u003e\n\u003cli\u003eInsert the 1784-SD1 non-volatile memory card fully into the designated slot prior to flashing any system firmware revisions.\u003c\/li\u003e\n\u003cli\u003eMaintain the strict 4-module maximum distance limit between the controller module and the system power supply unit.\u003c\/li\u003e\n\u003cli\u003eGround the DIN rail or backplane assembly to the main copper enclosure ground bar using low-impedance grounding conductors to prevent electromagnetic interference.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":42870891249754,"sku":"1769-L33ERMS","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/80_c1d68731-79c1-44df-8efd-0cc5a24f022f.jpg?v=1770949019","url":"https:\/\/www.spareoil.com\/products\/1769-l33erms-allen-bradley-safety-cpu-new-original-stock","provider":"SpareOil Automation","version":"1.0","type":"link"}