{"product_id":"allen-bradley-1747-l551-ser-c-1747-os501-c-slc-500-5-05-cpu-processor-16k-plc","title":"Allen Bradley 1747-L551 1747-OS501 C SLC 500 5 05 CPU Processor 16K PLC","description":"\u003ch3 data-section-id=\"17lc1ru\" data-start=\"0\" data-end=\"16\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"17\" data-end=\"426\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/allen-bradley\" title=\"Allen-Bradley\"\u003eAllen-Bradley\u003c\/a\u003e 1747-L551 SLC 500 Processor is a \u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\" title=\"PLC CPU module\"\u003ePLC CPU module\u003c\/a\u003e used in SLC 5\/05 automation systems. Commonly installed in industrial control racks to execute logic, manage I\/O operations, and enable communication between field devices and network systems. Maintenance teams, OEMs, and system integrators use this processor for replacement, retrofit, and reliable control of industrial automation processes.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5ms9th\" data-start=\"428\" data-end=\"445\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"446\" data-end=\"816\"\u003eThe Allen-Bradley 1747-L551 SLC 500 Processor is used in industrial automation systems requiring centralized control and communication, including manufacturing lines, material handling systems, packaging equipment, and process control. It is ideal for applications that demand Ethernet connectivity, stable PLC performance, and integration with legacy SLC 500 platforms.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"818\" data-end=\"847\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"848\" data-end=\"1782\"\u003e• Brand: Allen-Bradley (Rockwell Automation)\u003cbr data-start=\"892\" data-end=\"895\"\u003e• Part Number: 1747-L551 \/ 1747-OS501\u003cbr data-start=\"932\" data-end=\"935\"\u003e• Product Type: PLC CPU Processor Module\u003cbr data-start=\"975\" data-end=\"978\"\u003e• Series: SLC 500 (SLC 5\/05)\u003cbr data-start=\"1006\" data-end=\"1009\"\u003e• User Memory: 16K words \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1071\" data-end=\"1074\"\u003e• Communication Ports: Ethernet (Channel 1), RS-232 (Channel 0) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1175\" data-end=\"1178\"\u003e• I\/O Capacity: Up to 4096 inputs and 4096 outputs \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1266\" data-end=\"1269\"\u003e• Analog I\/O Support: Up to 480 analog points \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1352\" data-end=\"1355\"\u003e• Maximum Connections: Up to 32 simultaneous connections \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1449\" data-end=\"1452\"\u003e• Scan Time: Approx. 0.9 ms per Kword \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1527\" data-end=\"1530\"\u003e• Mounting Type: Chassis-mounted (SLC 500 rack)\u003cbr data-start=\"1577\" data-end=\"1580\"\u003e• Memory Backup: Battery-backed RAM\u003cbr data-start=\"1615\" data-end=\"1618\"\u003e• Lifecycle Status: Discontinued (support\/repair available) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1715\" data-end=\"1718\"\u003e• Application: Industrial automation control and communication\u003c\/p\u003e\n\u003ch3 data-section-id=\"1cz0398\" data-start=\"1784\" data-end=\"1808\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1809\" data-end=\"1890\"\u003e• Allen-Bradley \u003ca href=\"https:\/\/plgautomation.com\/products\/allen-bradley-slc-500-processor-unit-1747-l552-ser-c?_pos=2\u0026amp;_sid=9664409e8\u0026amp;_ss=r\" title=\"1747-L552\"\u003e1747-L552\u003c\/a\u003e\u003cbr data-start=\"1834\" data-end=\"1837\"\u003e• Allen-Bradley \u003ca href=\"https:\/\/plgautomation.com\/products\/open-box-allen-bradley-1747-l553-slc-5-05-64k-controller-series-c?_pos=1\u0026amp;_sid=6a797e157\u0026amp;_ss=r\" title=\"1747-L553\"\u003e1747-L553\u003c\/a\u003e\u003cbr data-start=\"1862\" data-end=\"1865\"\u003e• Allen-Bradley \u003ca href=\"https:\/\/plgautomation.com\/products\/allen-bradley-1769-l32e-b-compactlogix-l32e-plc-1769-l32e-163c?_pos=1\u0026amp;_sid=684173969\u0026amp;_ss=r\" title=\"1769-L32E\"\u003e1769-L32E\u003c\/a\u003e\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51657381544238,"sku":null,"price":1092.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/1747-L551_555b2b66-ab26-441d-ac24-7727e74a302a.webp?v=1774588753","url":"https:\/\/plgautomation.com\/products\/allen-bradley-1747-l551-ser-c-1747-os501-c-slc-500-5-05-cpu-processor-16k-plc","provider":"PLG Automation ","version":"1.0","type":"link"}