{"product_id":"honeywell-2mlb-m12a-12-slot-main-cpu-baseplate","title":"Honeywell 2MLB-M12A 12-Slot Main CPU Baseplate","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLB-M12A\u003c\/strong\u003e is a \u003cstrong\u003e12-slot main CPU baseplate\u003c\/strong\u003e for the \u003cstrong\u003eMasterLogic-200 (ML200)\u003c\/strong\u003e non-redundant PLC system. It provides the mechanical and electrical foundation for installing the \u003cstrong\u003e2MLI-CPUU\u003c\/strong\u003e CPU module, I\/O modules, communication modules, and power supplies. With integrated \u003cstrong\u003ebackplane bus communication\u003c\/strong\u003e and \u003cstrong\u003epower distribution\u003c\/strong\u003e, it enables centralized, high-density control architectures in a compact 19 mm depth design.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e 12-Slot Main CPU Baseplate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MasterLogic-200 \/ ML200 (Non-Redundant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSlot Capacity:\u003c\/strong\u003e 12 module slots\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible CPU:\u003c\/strong\u003e 2MLI-CPUU (non-redundant only)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Distribution:\u003c\/strong\u003e Integrated 5V DC backplane power\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommunication Support:\u003c\/strong\u003e Backplane bus for MasterLogic-200 modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion Support:\u003c\/strong\u003e Compatible with 2MLB-ExxA expansion bases via ribbon cable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 426 mm x 98 mm x 19 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 0.54 kg (540 g)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Panel or DIN rail (35 mm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -20°C to +60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStorage Temperature:\u003c\/strong\u003e -25°C to +70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-slot high capacity\u003c\/strong\u003e — supports up to 12 modules including CPU, power supply, I\/O, and communication in a single rack, reducing cabinet count in large systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated power distribution\u003c\/strong\u003e — built-in 5V DC backplane power eliminates separate power bus wiring, reducing installation time by 30%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-slim 19 mm depth\u003c\/strong\u003e — shallow profile minimizes control cabinet depth requirements, saving valuable floor space in crowded MCC rooms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCPU-centric design\u003c\/strong\u003e — dedicated CPU slot ensures proper backplane addressing and communication timing for the 2MLI-CPUU\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpansion-ready\u003c\/strong\u003e — built-in expansion port connects to 2MLB-ExxA expansion bases via ribbon cable for systems exceeding 12 modules\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCentralized machine control for packaging and assembly lines\u003c\/li\u003e\n\u003cli\u003eProcess control skids in chemical and pharmaceutical plants\u003c\/li\u003e\n\u003cli\u003eBuilding automation central plant controllers\u003c\/li\u003e\n\u003cli\u003eWater treatment plant local control units\u003c\/li\u003e\n\u003cli\u003ePower plant auxiliary system control\u003c\/li\u003e\n\u003cli\u003eAny application requiring 8–12 I\/O modules in a single rack\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eMount on DIN rail or panel\u003c\/strong\u003e — secure the 2MLB-M12A to a standard 35 mm DIN rail or bolt it to a panel using the integrated mounting feet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall CPU module\u003c\/strong\u003e — mount the 2MLI-CPUU in the leftmost dedicated CPU slot. Ensure it clicks firmly into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall power supply\u003c\/strong\u003e — mount the 2MLP-ACF2 or 2MLP-DC42 in the power supply slot adjacent to the CPU.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall I\/O and communication modules\u003c\/strong\u003e — snap up to 10 additional modules into the remaining slots. Ensure each module clicks into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstall dummy modules in empty slots\u003c\/strong\u003e — use 2MLT-DMMA blank modules to cover unused slots and maintain environmental protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect expansion cable (if needed)\u003c\/strong\u003e — if using expansion bases, connect the 2MLC-Exxx ribbon cable from the expansion port to the first expansion base.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLB-M12A and 2MLB-M08A?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e2MLB-M12A\u003c\/strong\u003e has \u003cstrong\u003e12 module slots\u003c\/strong\u003e. The \u003cstrong\u003e2MLB-M08A\u003c\/strong\u003e has \u003cstrong\u003e8 module slots\u003c\/strong\u003e. Both are main CPU bases for non-redundant ML200 systems. Choose M12A for large I\/O counts; choose M08A for compact installations.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLB-M12A and 2MLR-M06P?\u003c\/strong\u003e\u003cbr\u003eA: The \u003cstrong\u003e2MLB-M12A\u003c\/strong\u003e is a \u003cstrong\u003enon-redundant main base\u003c\/strong\u003e for standard ML200 systems. The \u003cstrong\u003e2MLR-M06P\u003c\/strong\u003e is a \u003cstrong\u003eredundant main base\u003c\/strong\u003e for ML200R systems with dual CPU and dual power supply slots. They are not interchangeable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use redundant CPUs in this base?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003eNo.\u003c\/strong\u003e The 2MLB-M12A is designed exclusively for \u003cstrong\u003enon-redundant CPUs\u003c\/strong\u003e (2MLI-CPUU, 2MLI-CPUS). Redundant CPUs (2MLR-CPUH\/F, 2MLR-CPUH\/T) require the ML200R redundant base (2MLR-M02P or 2MLR-M06P).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum I\/O capacity with one 2MLB-M12A?\u003c\/strong\u003e\u003cbr\u003e\nA: With 12 slots and high-density 32-point I\/O modules, a single 2MLB-M12A can support up to \u003cstrong\u003e384 digital I\/O points\u003c\/strong\u003e. With expansion bases, the 2MLI-CPUU supports up to 6,144 total I\/O points.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelect \u003cstrong\u003e2MLB-M12A\u003c\/strong\u003e when you need \u003cstrong\u003e12 slots\u003c\/strong\u003e for CPU, power, I\/O, and communication modules in a \u003cstrong\u003enon-redundant\u003c\/strong\u003e system.\u003c\/li\u003e\n\u003cli\u003eFor \u003cstrong\u003esmaller systems\u003c\/strong\u003e (≤8 modules), choose \u003cstrong\u003e2MLB-M08A\u003c\/strong\u003e or \u003cstrong\u003e2MLB-M06A\u003c\/strong\u003e to reduce cost and footprint.\u003c\/li\u003e\n\u003cli\u003eVerify your \u003cstrong\u003eCPU model\u003c\/strong\u003e — only non-redundant CPUs (2MLI-CPUU, 2MLI-CPUS) are compatible with 2MLB-M12A.\u003c\/li\u003e\n\u003cli\u003eCalculate your \u003cstrong\u003etotal module width\u003c\/strong\u003e — 12 modules at 27.4 mm each = 328.8 mm; ensure your cabinet has adequate DIN rail length.\u003c\/li\u003e\n\u003cli\u003eAlways order \u003cstrong\u003e2MLT-DMMA dummy modules\u003c\/strong\u003e for empty slots to maintain backplane protection and thermal management.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53959325843640,"sku":"2MLB-M12A","price":90.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/2MLB-M12A_2.png?v=1787197699","url":"https:\/\/www.globalpetroparts.com\/products\/honeywell-2mlb-m12a-12-slot-main-cpu-baseplate","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}