{"product_id":"allen-bradley-1745-lp151-slc-150-point-processor-unit","title":"Allen-Bradley 1745-LP151 SLC 150 Point Processor Unit","description":"\u003cp\u003eConfigured for discrete control execution and direct field signal processing in SLC 150 platforms, the \u003cstrong\u003eAllen-Bradley 1745-LP151\u003c\/strong\u003e (\u003cstrong\u003e1745-LP151\u003c\/strong\u003e Point Processor Unit) provides direct physical\/electrical execution across 32 integrated discrete I\/O points.\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-LP151\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\u003e3.99 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\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e85-132 \/ 170-265 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Frequency\u003c\/td\u003e\n\u003ctd\u003e50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Inputs\u003c\/td\u003e\n\u003ctd\u003e(20) 85-132 VAC Digital Inputs (20 Terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiscrete Outputs\u003c\/td\u003e\n\u003ctd\u003e(10) 85-265 VAC Triac Outputs, (2) Relay Outputs (12 Terminals)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e1200 Words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Scan Time\u003c\/td\u003e\n\u003ctd\u003e4 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Port\u003c\/td\u003e\n\u003ctd\u003e1745-C2 Cable Interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStatus Display\u003c\/td\u003e\n\u003ctd\u003eLED Indicators\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 Scan Execution\u003c\/strong\u003e: The embedded CPU processes logic routines with a fixed 4 ms scan time, executing 20 digital AC input reads and 12 output drive updates simultaneously across physical terminal blocks and expansion backplane interconnects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility \u0026amp; Address Mapping\u003c\/strong\u003e: Internal registers map 1200 words of user memory straight to the hardware I\/O table, providing deterministic bit addressing without protocol latencies.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation \u0026amp; Noise Mitigation\u003c\/strong\u003e: High-voltage Triac output channels and optoisolated 85-132 VAC input lines prevent electrical surges from degrading internal processor logic execution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1745-C2 communication cable be connected or removed while the 1745-LP151 is energized?\u003c\/p\u003e\n\u003cp\u003eA: No. Hot-swapping communication connections is prohibited. Line voltage to the 1745-LP151 unit must be fully isolated before connecting or disconnecting the 1745-C2 cable to avoid interface driver failure.\u003c\/p\u003e\n\u003cp\u003eQ: How does the 1745-LP151 handle distinct AC and relay output loads?\u003c\/p\u003e\n\u003cp\u003eA: The 10 Triac outputs manage solid-state 85-265 VAC switching for high-duty digital loads, while the 2 hard contact relay outputs handle dry contact signals or isolated switching loops.\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 securely on an enclosure backpanel using standard hardware. Maintain a minimum vertical clearance of 50 mm (2 inches) above and below the chassis for unhindered air convection across the enclosure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Wiring \u0026amp; Line Isolation\u003c\/strong\u003e: Route AC input lines and AC Triac output cables through independent wiring ducts. Secure conductors firmly to the screw terminals following standard industrial torque specifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding Protocols\u003c\/strong\u003e: Connect a low-impedance copper ground strap directly from the ground terminal on the 1745-LP151 chassis to the cabinet earth ground bus bar. Maintain a minimum distance of 200 mm between low-voltage signal cabling and high-power motor leads.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45340470411379,"sku":"1745-LP151","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_09-17-16_68135fe8-30f8-4ff5-843d-6dada69a3cb9.png?v=1786411588","url":"https:\/\/www.dcssupplier.com\/ar\/products\/allen-bradley-1745-lp151-slc-150-point-processor-unit","provider":"DcsSupplier Limited","version":"1.0","type":"link"}