{"product_id":"allen-bradley-slc-500-replacement-battery-assembly-1747-ba","title":"Allen-Bradley SLC 500 Replacement Battery Assembly | 1747-BA","description":"\u003ch3\u003e\u003cstrong\u003eFunctional Overview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-BA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(Part Number:\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-BA\u003c\/strong\u003e) is a specialized Lithium backup battery designed specifically for the Allen-Bradley SLC 500 processor series. This assembly is critical for maintaining the volatile memory (RAM) of the PLC, ensuring that the application program, register data, and internal clock settings are preserved during power-down cycles. Given the critical nature of industrial data retention, this high-energy density cell is engineered for a long shelf life and stable voltage discharge across varying industrial temperatures.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDetailed Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe following specifications define the electrical and mechanical properties of the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-BA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eassembly. Note: Some legacy documentation may conflate controller power draw with the battery itself; the battery is a standalone DC power source for memory retention.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eChemistry\u003c\/strong\u003e: Lithium Thionyl Chloride (\u003cspan class=\"math-inline\"\u003e$Li-SOCl_2$\u003c\/span\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e: 3.0 VDC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Weight\u003c\/strong\u003e: 0.03 kg (0.06 lbs)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility\u003c\/strong\u003e: SLC 5\/01, 5\/02, 5\/03, 5\/04, and 5\/05 Processors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e: 0°C to 60°C (32°F to 140°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: -40°C to 85°C (-40°F to 185°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnection Type\u003c\/strong\u003e: Polarized wire lead with proprietary 2-pin connector\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eMaintenance and Application FAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhen should the battery be replaced?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe SLC 500 CPU will trigger a \"BATT\" LED indicator on the front panel when the voltage drops below a safe threshold. It is recommended to replace the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-BA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhile the PLC is powered on to prevent memory loss, or within 30 minutes of power-down if a capacitor backup is present.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the typical lifespan of the assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile variables like ambient temperature and power-off duration affect longevity, the typical service life is 2 to 5 years under standard operating conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this differ from the 1769-BA?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-BA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis specifically for the SLC 500 (1747) family, whereas the 1769-BA is designed for CompactLogix (1769) controllers. They are not physically or electrically interchangeable due to different connector types.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eInstallation Guidelines\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eTo ensure continuous operation, the battery should be installed into the designated socket located behind the processor door. Ensure the polarity-keyed connector is firmly seated. Disposal should follow local environmental regulations for Lithium-based hazardous waste.\u003c\/p\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52887463395512,"sku":"1747-BA","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/1747-BA.jpg?v=1772093082","url":"https:\/\/www.globalpetroparts.com\/products\/allen-bradley-slc-500-replacement-battery-assembly-1747-ba","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}