{"product_id":"allen-bradley-1747-l532-d-slc-5-03-processor-module","title":"Allen-Bradley 1747-L532\/D SLC 5\/03 Processor Module","description":"\u003ch1 class=\"PDq2pG_selectionAnchorContainer\"\u003eAllen-Bradley 1747-L532\/D SLC 5\/03 Processor Module\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h1\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley 1747-L532\/D\u003c\/strong\u003e, also cataloged as the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1747-L532\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCPU Processor Module, serves as the primary SLC 5\/03 controller utilized to execute cyclic program processing across SLC 500 chassis-based control systems. It provides deterministic scan execution and direct coordination with RS-232 and DH-485 communication layers for ladder logic exchange and remote I\/O handling.\u003c\/p\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-L532\/D\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\u003e0.45 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eSLC 500 chassis plug-in module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.9 W typical \/ 500 mA at 5 V DC\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 4096 digital I\/O points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAnalog I\/O\u003c\/td\u003e\n\u003ctd\u003eup to 180 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eScan Time\u003c\/td\u003e\n\u003ctd\u003eapprox 1 ms per K instructions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Scan Time\u003c\/td\u003e\n\u003ctd\u003eapprox 0.225 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eRS-232 (DF1), DH-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Interface\u003c\/td\u003e\n\u003ctd\u003eSLC 500 parallel backplane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eBackplane Execution \u0026amp; EtherNet\/IP Deterministic Constraints\u003c\/h3\u003e\n\u003cp\u003eThe 1747-L532\/D implements SLC backplane transaction timing with fixed-cycle scan arbitration. Backplane current draw at 5 V DC is limited to 500 mA, constraining total chassis loading under multi-slot I\/O expansion. The DH-485 token-passing bus enforces deterministic node arbitration, while RS-232 DF1 port handles point-to-point asynchronous frame exchange. Firmware execution aligns instruction-level scan sequencing with fixed interrupt windows, ensuring predictable I\/O refresh timing under 30-slot chassis configurations.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the 1747-L532\/D be hot-swapped in an energized SLC chassis?\u003cbr\u003eA: No. The processor is not designed for live insertion. Removal under power may disrupt backplane synchronization and DH-485 token state.\u003c\/p\u003e\n\u003cp\u003eQ: What is the backplane current limitation impact on expansion modules?\u003cbr\u003eA: Total load must remain within 500 mA at 5 V DC. Exceeding this limit can cause bus undervoltage and I\/O scan failure.\u003c\/p\u003e\n\u003cp\u003eQ: Does the processor support firmware upgrade via RS-232 port?\u003cbr\u003eA: Firmware updates are not field-upgradable through RS-232. Memory and firmware behavior are tied to fixed SLC 5\/03 architecture.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the 1747-L532\/D only in slot 0 of a compliant SLC 500 chassis. Ensure chassis power is fully isolated before insertion. Verify backplane alignment pins are fully seated before applying mechanical force. RS-232 and DH-485 cabling must follow shielded twisted-pair routing with single-point earth grounding of cable shields. Avoid routing communication lines parallel to high-voltage switching conductors to minimize induced noise on DF1 frames.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43545275498586,"sku":"1747-L532\/D","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/1747-L5321.jpg?v=1782287431","url":"https:\/\/www.plcmasters.com\/products\/allen-bradley-1747-l532-d-slc-5-03-processor-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}