{"product_id":"allen-bradley-1747-l532b-slc-5-03-processor-module","title":"Allen-Bradley 1747-L532B SLC 5\/03 Processor Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1747-L532B SLC 5\/03 Processor Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eConfigured for program execution and distributed I\/O handling in SLC 500 backplane architecture, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1747-L532B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e1747-L532B\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprocessor module) provides direct physical\/electrical execution within SLC 500 chassis-based control systems. The module integrates 16 KB battery-backed RAM, dual communication ports (RS-232 DF1 and DH-485), and supports up to 8,192 digital I\/O points. Backplane execution is synchronized through SLC 500 scan cycles, with program handling constrained by fixed memory segmentation and deterministic instruction scanning behavior. Within the broader Allen-Bradley control ecosystem, interoperability aligns with industrial control networking concepts such as EtherNet\/IP deterministic networks, I\/O density scaling, and firmware flash compatibility through platform migration paths.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eNo structured suffix segmentation is defined in the provided data for 1747-L532B.\u003cbr\u003eThe model is treated as a single fixed catalog number within the SLC 5\/03 processor family.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\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\u003e1747-L532B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003e\u003cspan class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Type\u003c\/td\u003e\n\u003ctd\u003eSLC 5\/03\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUser Memory\u003c\/td\u003e\n\u003ctd\u003e16 KB battery-backed RAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 8,192 digital I\/O \/ 480 analog I\/O\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Ports\u003c\/td\u003e\n\u003ctd\u003eRS-232 (DF1), DH-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgram Scan Time\u003c\/td\u003e\n\u003ctd\u003e~1 ms per K instructions\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\u003eStorage Temp\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003e1747-BA lithium battery (~2-year life)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eChassis-mounted module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eSLC 500 Processor Execution Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe 1747-L532B executes ladder logic through cyclic scan-based processing tightly coupled to the SLC 500 backplane bus. Instruction execution timing is dependent on memory segment access latency and fixed scan scheduling rather than dynamic task prioritization.\u003c\/p\u003e\n\u003cp\u003eDual-port communication architecture separates RS-232 DF1 point-to-point diagnostics from DH-485 multidrop network communication, allowing simultaneous program monitoring and peer device data exchange. Backplane data exchange is synchronized through chassis-level addressing, with I\/O refresh occurring at each scan boundary.\u003c\/p\u003e\n\u003cp\u003eThe module operates within Rockwell SLC 500 migration topology, where interoperability considerations include backplane bus communication constraints, legacy protocol bridging, and deterministic scan-cycle timing alignment.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the 1747-L532B support hot-swap replacement in an energized chassis?\u003c\/strong\u003e\u003cbr\u003eA: No. The processor is not designed for live insertion. Power removal is required to avoid backplane corruption or program memory instability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What limits the effective performance of the SLC 5\/03 processor?\u003c\/strong\u003e\u003cbr\u003eA: Performance is constrained by fixed scan cycle execution, 16 KB memory ceiling, and DH-485\/RS-232 bandwidth limitations rather than CPU clock scaling.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Can the module directly interface with EtherNet\/IP networks?\u003c\/strong\u003e\u003cbr\u003eA: No native Ethernet interface exists. EtherNet\/IP connectivity requires external gateway or migration to ControlLogix\/CompactLogix platforms.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module into a compatible SLC 500 chassis with verified backplane alignment. Ensure the chassis is de-energized before insertion or removal. Maintain proper grounding of the cabinet to minimize communication noise on RS-232 and DH-485 lines. Use shielded twisted-pair cabling for serial networks, with single-point shield termination at the cabinet ground.\u003c\/p\u003e\n\u003cp\u003eAvoid routing communication lines parallel to high-voltage switching conductors. Battery installation (1747-BA) should be performed with system power stable to prevent memory retention loss. Verify rack addressing configuration before system startup to ensure correct I\/O mapping.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43545383764058,"sku":"1747-L532B","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1747-L5322.jpg?v=1782287431","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1747-l532b-slc-5-03-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}