{"product_id":"allen-bradley-1772-lp3","title":"1772-LP3 Allen-Bradley Processor Module PLC-2\/30 Series","description":"\u003cp\u003eThe \u003cb\u003eAllen-Bradley 1772-LP3\u003c\/b\u003e, also cataloged as the \u003cb\u003e1772-LP3\u003c\/b\u003e Processor Unit, operates as a dedicated hardware component for central logic processing and I\/O scan execution within PLC-2\/30 system racks.\u003c\/p\u003e\n\u003ch3\u003eHardware Designation Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e1772-LP3\u003c\/b\u003e: Primary chassis-mount processor assembly for execution of industrial ladder logic and peripheral scan routines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003e1772LP3\u003c\/b\u003e: Alternate catalog string referencing identical internal logic board stack, memory backplane, and power transformer layout.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical \u0026amp; Physical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1772-LP3\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUnited States\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16.12 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e31.0 x 22.0 x 34.0 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e240 VA maximum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Voltage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e120\/240 VAC (50\/60 Hz)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCurrent Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2 A (120 VAC) \/ 1 A (240 VAC)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eMounting Configuration\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eChassis Mount\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePLC-2\/30 Processing Platform\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBackplane Bus Communication Velocity \u0026amp; Scanning\u003c\/h3\u003e\n\u003cp\u003eThe module governs backplane bus communication velocity across localized I\/O chassis racks through dedicated bus timing logic. Logic solution sweeps run synchronously with input\/output image table updates. This fixed scan priority maintains deterministic instruction timing and prevents signal latency during intensive block transfer operations across expansion backplanes.\u003c\/p\u003e\n\u003ch3\u003eStandard Delivery Hardware\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Allen-Bradley 1772-LP3 Processor Unit\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e1 x Power connection jumper plug\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation \u0026amp; Mounting Rules\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Surface Preparation\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSecure the chassis directly to a flat metal enclosure panel using heavy-duty bolts to support the 16.12 kg weight.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLine Voltage Selection\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eSet internal terminal jumpers to match either 120 VAC or 240 VAC mains input before applying operating power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnclosure Thermal Clearance\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain a minimum vertical clearance of 100 mm above and below the assembly for natural convection cooling.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEarth Grounding Integrity\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eConnect a heavy gauge grounding strap directly from the chassis grounding stud to the main enclosure earth bus.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical System FAQs\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the required mains AC supply voltage for the 1772-LP3 unit?\u003c\/p\u003e\n\u003cp\u003eThe processor operates on nominal 120 VAC or 240 VAC power supplies at 50\/60 Hz frequency ranges.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat current level does the processor draw under full operating load?\u003c\/p\u003e\n\u003cp\u003eThe unit draws 2 A maximum when connected to 120 VAC, or 1 A maximum when wired for 240 VAC operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs hot-swapping allowed for this heavy processor assembly?\u003c\/p\u003e\n\u003cp\u003eNo, main AC power must be isolated prior to physical installation, wiring adjustment, or unit removal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the unit maintain backplane bus communication velocity?\u003c\/p\u003e\n\u003cp\u003eDedicated control buses regulate synchronous timing loops during execution of the internal instruction set.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat thermal operating limits must be maintained in the enclosure?\u003c\/p\u003e\n\u003cp\u003eAmbient operating air temperatures surrounding the chassis must be maintained between 0 deg C and 60 deg C.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow is the processor mounted inside an industrial panel?\u003c\/p\u003e\n\u003cp\u003eThe unit utilizes a rigid chassis-mount structure secured via direct mounting holes to the backplate.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes the processor support external 1771 I\/O chassis expansion?\u003c\/p\u003e\n\u003cp\u003eYes, the unit routes control data to local or remote I\/O chassis using dedicated parallel backplane cables.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat grounding precautions are mandatory during field setup?\u003c\/p\u003e\n\u003cp\u003eThe central chassis ground terminal must link directly to system ground to suppress high-frequency noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066444632237,"sku":"1772-LP3","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/allen-bradley_1772-lp3_1.jpg?v=1786443825","url":"https:\/\/www.maxwellplc.com\/ru\/products\/allen-bradley-1772-lp3","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}