{"product_id":"allen-bradley-1768-l43s-b-compact-guardlogix-safety-controller","title":"Allen-Bradley 1768-L43S\/B Compact GuardLogix Safety Controller","description":"\u003ch2\u003eAllen-Bradley 1768-L43S\/B Compact GuardLogix Safety Controller\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eAllen-Bradley 1768-L43S\/B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e1768-L43S\/B\u003c\/strong\u003e Safety Controller, operates as a dedicated hardware component for integrated standard and safety logic execution within Compact GuardLogix control systems. The controller manages safety tasks, standard control programs, and industrial communication functions through EtherNet\/IP and ControlNet interfaces.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\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\u003e1768-L43S\/B\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\u003e1.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e89.6 x 131.6 x 122.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 - 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e33.6 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSafety Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Series\u003c\/td\u003e\n\u003ctd\u003eCompact GuardLogix L4x\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandard Memory\u003c\/td\u003e\n\u003ctd\u003e2 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Memory\u003c\/td\u003e\n\u003ctd\u003e0.5 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP, ControlNet, RS-232\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRS-232 Communication Rate\u003c\/td\u003e\n\u003ctd\u003e38.4 Kbps max\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Expansion\u003c\/td\u003e\n\u003ctd\u003eSupports 2 x 1768 modules and up to 16 x 1769 I\/O modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Style\u003c\/td\u003e\n\u003ctd\u003eDIN rail or panel mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e30 V continuous functional insulation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current\u003c\/td\u003e\n\u003ctd\u003e1.4 A at 24 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Dissipation\u003c\/td\u003e\n\u003ctd\u003e7.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock Resistance\u003c\/td\u003e\n\u003ctd\u003e30 g operating, 50 g non-operating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration Resistance\u003c\/td\u003e\n\u003ctd\u003e5 g at 10-500 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eFail-Safe Control Execution and Safety Architecture\u003c\/h3\u003e\n\u003cp\u003eThe 1768-L43S\/B controller integrates standard and safety control processing within the Compact GuardLogix architecture. The controller supports SIL 3 \/ PLe safety applications through dedicated safety memory and safety task execution.\u003c\/p\u003e\n\u003cp\u003eThe processor architecture supports deterministic industrial communication through EtherNet\/IP and ControlNet networks. Firmware flash compatibility within the GuardLogix platform enables controller configuration management and application updates while maintaining safety project integrity.\u003c\/p\u003e\n\u003cp\u003eThe controller provides I\/O density scaling through support for 1768 communication modules and 1769 local or remote I\/O modules. The integrated safety execution model allows standard and safety logic programs to operate within the same controller hardware while maintaining separated memory areas.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What memory allocation is available in the 1768-L43S\/B controller?\u003cbr\u003eA: The controller provides 2 MB of standard user memory and 0.5 MB of dedicated safety memory.\u003c\/p\u003e\n\u003cp\u003eQ: Which communication networks are supported by the 1768-L43S\/B?\u003cbr\u003eA: The controller supports EtherNet\/IP, ControlNet, and RS-232 communication interfaces.\u003c\/p\u003e\n\u003cp\u003eQ: What I\/O expansion capability is available for this controller?\u003cbr\u003eA: The controller supports up to 2 x 1768 modules and up to 16 x 1769 I\/O modules.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1768-L43S\/B controller on a compatible DIN rail or panel mounting surface according to Compact GuardLogix system installation requirements. Verify power supply capacity and backplane current requirements before energizing the controller.\u003c\/p\u003e\n\u003cp\u003eSeparate safety communication wiring, network cables, and power conductors to reduce electromagnetic interference. Use shielded communication cables where required and apply grounding methods defined by the control system design.\u003c\/p\u003e\n\u003cp\u003eConfigure safety tasks, controller firmware, and communication parameters using compatible GuardLogix programming software. Verify safety signatures and I\/O assignments before placing the controller into operational service.\u003c\/p\u003e\n\u003cp\u003eMaintain installation conditions within the specified temperature, vibration, and shock limits. Protect the open-style controller assembly from conductive contamination and unauthorized access through appropriate enclosure design.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43661945962586,"sku":"1768-L43S\/B","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1768-L431.jpg?v=1784096100","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1768-l43s-b-compact-guardlogix-safety-controller","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}