{"product_id":"allen-bradley-1756-l61-controllogix-5561-processor-f-w-1-9-ser-b","title":"Allen Bradley 1756-L61 ControlLogix 5561 Processor F 1.9  1756L61","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"0\" data-end=\"18\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"19\" data-end=\"435\"\u003eThe \u003ca href=\"https:\/\/plgautomation.com\/collections\/allen-bradley\" title=\"Allen-Bradley\"\u003eAllen-Bradley\u003c\/a\u003e 1756-L61 ControlLogix 5561 Processor is used in industrial automation systems as a central processing unit for executing \u003ca href=\"https:\/\/plgautomation.com\/collections\/plcs-more\" title=\"control logic\"\u003econtrol logic\u003c\/a\u003e and managing I\/O operations. Commonly installed in ControlLogix PLC racks, control panels, and automated manufacturing systems. Maintenance teams, OEMs, and system integrators use this part for system control, upgrades, and replacement of legacy PLC processors. \u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"437\" data-end=\"456\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"457\" data-end=\"847\"\u003eThe Allen-Bradley 1756-L61 processor is widely used in industrial environments requiring high-performance and reliable control of complex automation processes. It is commonly integrated into ControlLogix systems in manufacturing lines, material handling systems, process industries, and large-scale automation setups where precise control, communication, and data processing are critical.\u003c\/p\u003e\n\u003ch3 data-section-id=\"68ulmp\" data-start=\"849\" data-end=\"880\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"881\" data-end=\"1454\"\u003e• Manufacturer Part Number (MPN): 1756-L61\u003cbr data-start=\"923\" data-end=\"926\"\u003e• Brand: Allen-Bradley\u003cbr data-start=\"948\" data-end=\"951\"\u003e• Product Type: PLC CPU \/ Processor Module\u003cbr data-start=\"993\" data-end=\"996\"\u003e• Series: ControlLogix 5560\u003cbr data-start=\"1023\" data-end=\"1026\"\u003e• User Memory: 2 MB\u003cbr data-start=\"1045\" data-end=\"1048\"\u003e• I\/O Memory: 478 KB\u003cbr data-start=\"1068\" data-end=\"1071\"\u003e• Nonvolatile Memory: CompactFlash supported\u003cbr data-start=\"1115\" data-end=\"1118\"\u003e• Communication Ports: RS-232 serial port\u003cbr data-start=\"1159\" data-end=\"1162\"\u003e• Firmware Revision: Series F, Version 1.9 compatible\u003cbr data-start=\"1215\" data-end=\"1218\"\u003e• Backplane Current: 5V DC @ 1.2A\u003cbr data-start=\"1251\" data-end=\"1254\"\u003e• Mounting Type: Chassis-mounted (ControlLogix rack)\u003cbr data-start=\"1306\" data-end=\"1309\"\u003e• Operating Temperature: 0°C to +60°C\u003cbr data-start=\"1346\" data-end=\"1349\"\u003e• Storage Temperature: -40°C to +85°C\u003cbr data-start=\"1386\" data-end=\"1389\"\u003e• Protection Rating: IP20\u003cbr data-start=\"1414\" data-end=\"1417\"\u003e• Compliance Standards: CE, UL, CSA\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"1456\" data-end=\"1482\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1483\" data-end=\"1612\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e• Allen-Bradley \u003ca href=\"http:\/\/plgautomation.com\/products\/allen-bradley-1756-l62-b?_pos=1\u0026amp;_sid=30b042b3c\u0026amp;_ss=r\" title=\"1756-L62\"\u003e1756-L62\u003c\/a\u003e ControlLogix Processor\u003cbr data-start=\"1530\" data-end=\"1533\"\u003e• Allen-Bradley \u003ca href=\"https:\/\/plgautomation.com\/products\/allen-bradley-1756-l63-series-a-plc-processor?_pos=1\u0026amp;_sid=f832614a5\u0026amp;_ss=r\" title=\"1756-L63\"\u003e1756-L63\u003c\/a\u003e ControlLogix Processor\u003cbr data-start=\"1580\" data-end=\"1583\"\u003e• Siemens CPU \u003ca href=\"https:\/\/plgautomation.com\/products\/siemens-6es7315-2eh14-0ab0-6es7-315-2eh14-0ab0-cpu-315-2-pn-dp-2?_pos=1\u0026amp;_sid=b54f27fe6\u0026amp;_ss=r\" title=\"315-2\"\u003e315-2\u003c\/a\u003e PN\/DP PLC\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51657237496110,"sku":null,"price":254.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/1756-L61.webp?v=1775037688","url":"https:\/\/plgautomation.com\/products\/allen-bradley-1756-l61-controllogix-5561-processor-f-w-1-9-ser-b","provider":"PLG Automation ","version":"1.0","type":"link"}