{"product_id":"allen-bradley-1745-lp102-cpu-processors","title":"Allen Bradley 1745-LP102 CPU Processors","description":"\u003cp\u003eConfigured for discrete control execution and CPU processing in SLC 100 programmable controller platforms, the \u003cstrong\u003eAllen-Bradley 1745-LP102\u003c\/strong\u003e (\u003cstrong\u003e1745-LP102\u003c\/strong\u003e Processor Unit) provides direct physical\/electrical execution across integrated hardware circuits.\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\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\u003e1745-LP102\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\u003e2.01 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e10.0 x 6.5 x 4.0 inches\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\u003e15 VA maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Platform\u003c\/td\u003e\n\u003ctd\u003eSLC 100 Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Category\u003c\/td\u003e\n\u003ctd\u003eCentral Processing Unit (CPU)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Interconnect\u003c\/td\u003e\n\u003ctd\u003eMulti-Pin Ribbon Expansion Header\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eBackplane Bus Interconnect \u0026amp; I\/O Density Scaling\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeterminism \u0026amp; Bus Execution\u003c\/strong\u003e: The 1745-LP102 processor executes internal ladder logic cycles while managing continuous hardware status updates over the parallel expansion bus header with zero network protocol latencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility \u0026amp; Memory Mapping\u003c\/strong\u003e: Logic memory register tables map directly into the central processing core, enforcing strict scan synchronization and execution timing across local and expansion I\/O banks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation \u0026amp; Power Distribution\u003c\/strong\u003e: Regulated power conversion stages feed internal CPU logic gates and optoisolated backplane drivers, preventing external line transients from disrupting processing cycles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1745-LP102 processor unit be disconnected or connected to expansion chassis while under power?\u003c\/p\u003e\n\u003cp\u003eA: No. Hot-swapping is prohibited. Master electrical power must be de-energized prior to connecting or removing the parallel expansion bus ribbon cable to prevent damage to internal backplane drivers.\u003c\/p\u003e\n\u003cp\u003eQ: How are expansion modules addressed by the 1745-LP102 central processor?\u003c\/p\u003e\n\u003cp\u003eA: Connected expansion units are assigned fixed memory addresses in sequence along the expansion bus, allowing direct registration within the primary memory image table.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Mounting \u0026amp; Thermal Clearance\u003c\/strong\u003e: Mount the unit vertically on an enclosure backpanel using standard mounting hardware. Maintain a minimum vertical clearance of 50 mm (2 inches) above and below the chassis to ensure adequate natural thermal convection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBus Expansion Cabling\u003c\/strong\u003e: Verify that the expansion bus ribbon cable is correctly oriented and fully locked into the unit header before restoring supply power.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding \u0026amp; Noise Mitigation\u003c\/strong\u003e: Connect a dedicated low-impedance ground wire directly from the ground stud to the central enclosure earth ground bus. Separate low-voltage control lines from high-voltage motor conductors by at least 200 mm to suppress noise coupling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45340470018163,"sku":"1745-LP102","price":88.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-11_09-16-40_e988d808-f4cf-4eaf-82f2-57fc101032c1.png?v=1786411625","url":"https:\/\/www.dcssupplier.com\/products\/allen-bradley-1745-lp102-cpu-processors","provider":"DcsSupplier Limited","version":"1.0","type":"link"}