{"product_id":"honeywell-2mlb-e12a-12-slot-expansion-i-o-base","title":"Honeywell 2MLB-E12A 12-Slot Expansion I\/O Base","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLB-E12A\u003c\/strong\u003e is a \u003cstrong\u003e12-slot expansion I\/O base\u003c\/strong\u003e designed for the \u003cstrong\u003eMasterLogic-200 (ML200)\u003c\/strong\u003e and \u003cstrong\u003eML200R\u003c\/strong\u003e PLC systems. It enables scalable automation architecture by accommodating additional digital, analog, high-speed counter (HSC), and communication modules. Built with an industrial-grade metal frame, this base supports panel mounting and seamless Ethernet integration for demanding manufacturing, energy, and process control environments.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e12 module slots\u003c\/strong\u003e for flexible I\/O expansion\u003c\/li\u003e\n  \u003cli\u003eCompatible with \u003cstrong\u003eMasterLogic-200 and ML200R\u003c\/strong\u003e PLC systems (non-redundant)\u003c\/li\u003e\n  \u003cli\u003eSupports \u003cstrong\u003edigital, analog, HSC, and communication modules\u003c\/strong\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUp to 96 I\/O points per base\u003c\/strong\u003e (with high-density modules)\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eNetwork expansion capacity up to 23,808 I\/O points\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEthernet communication interface\u003c\/strong\u003e for seamless system integration\u003c\/li\u003e\n  \u003cli\u003eIndustrial-grade metal construction for rugged environments\u003c\/li\u003e\n  \u003cli\u003ePanel mount design — \u003cstrong\u003e426 × 98 × 19 mm\u003c\/strong\u003e, \u003cstrong\u003e540 g\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 2MLB-E12A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Expansion I\/O Base\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Compatibility:\u003c\/strong\u003e MasterLogic-200 and ML200R PLCs (non-redundant)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of Slots:\u003c\/strong\u003e 12 module slots\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSupported Modules:\u003c\/strong\u003e Digital, Analog, HSC, Communication\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eI\/O Capacity:\u003c\/strong\u003e Up to 96 I\/O points per base; up to 23,808 points with network expansion\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCommunication Interface:\u003c\/strong\u003e Ethernet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Compatibility:\u003c\/strong\u003e Supports Honeywell power modules\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Draw:\u003c\/strong\u003e Passive base — modules supply current individually\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Panel mount\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions (W × H × D):\u003c\/strong\u003e 426 × 98 × 19 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.54 kg\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e 0°C to +55°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\u003eHumidity Range:\u003c\/strong\u003e 5% to 95% RH (non-condensing)\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Industrial-grade metal frame\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, UL508, CSA, TÜV\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eLarge-scale manufacturing automation\u003c\/li\u003e\n  \u003cli\u003ePower generation and energy management\u003c\/li\u003e\n  \u003cli\u003eProcess control and chemical plants\u003c\/li\u003e\n  \u003cli\u003eBuilding automation and facility monitoring\u003c\/li\u003e\n  \u003cli\u003eSystem expansions requiring high I\/O density\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How many modules can the 2MLB-E12A accommodate?\u003c\/strong\u003e\u003cbr\u003eA: It provides \u003cstrong\u003e12 module slots\u003c\/strong\u003e for digital, analog, HSC, and communication modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this base compatible with redundant ML200R systems?\u003c\/strong\u003e\u003cbr\u003eA: The 2MLB-E12A supports \u003cstrong\u003enon-redundant\u003c\/strong\u003e MasterLogic-200 and ML200R configurations. For fully redundant setups, verify compatibility with your specific CPU and power module pairing.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum I\/O capacity?\u003c\/strong\u003e\u003cbr\u003eA: Up to \u003cstrong\u003e96 I\/O points per base\u003c\/strong\u003e using high-density modules, and up to \u003cstrong\u003e23,808 points\u003c\/strong\u003e across networked expansion bases.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the base consume backplane power?\u003c\/strong\u003e\u003cbr\u003eA: No — it is a \u003cstrong\u003epassive base\u003c\/strong\u003e. Each installed module draws power individually from the connected power supply.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What mounting options are available?\u003c\/strong\u003e\u003cbr\u003eA: The base is designed for \u003cstrong\u003epanel mounting\u003c\/strong\u003e inside control cabinets.\u003c\/p\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSite Preparation:\u003c\/strong\u003e Mount the base on a flat, rigid panel inside an enclosure rated for the operating environment. Allow adequate clearance for module insertion and airflow.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Planning:\u003c\/strong\u003e Install a compatible Honeywell power module (e.g., 2MLP series) adjacent to the CPU base to supply power to all expansion modules.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBase Alignment:\u003c\/strong\u003e Secure the 2MLB-E12A using panel-mount fasteners. Ensure proper alignment with adjacent bases if daisy-chaining multiple expansion racks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModule Insertion:\u003c\/strong\u003e With power OFF, insert I\/O modules firmly into slots until the retaining clips engage. Start from the leftmost slot next to the power module.\u003c\/li\u003e  \u003cli\u003e\n\u003cstrong\u003eEthernet Connection:\u003c\/strong\u003e Connect the Ethernet interface to your plant network switch using shielded CAT5e\/CAT6 cable for reliable communication.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrounding:\u003c\/strong\u003e Connect the base ground terminal to the cabinet earth bus using a minimum 2.5 mm² grounding conductor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSystem Verification:\u003c\/strong\u003e Power on and verify all modules are recognized in the SoftMaster configuration software.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSelect the \u003cstrong\u003e2MLB-E12A\u003c\/strong\u003e when your application requires \u003cstrong\u003e12 slots of I\/O expansion\u003c\/strong\u003e beyond the main CPU base.\u003c\/li\u003e\n  \u003cli\u003eFor smaller systems, consider the \u003cstrong\u003e2MLB-E08A\u003c\/strong\u003e (8-slot) or \u003cstrong\u003e2MLB-E06A\u003c\/strong\u003e (6-slot) expansion bases.\u003c\/li\u003e\n  \u003cli\u003eCalculate total \u003cstrong\u003ebackplane current consumption\u003c\/strong\u003e across all planned modules to size the power supply correctly.\u003c\/li\u003e\n  \u003cli\u003eVerify module compatibility — not all ML200 modules are supported in every slot configuration; consult the MasterLogic-200 hardware manual.\u003c\/li\u003e\n  \u003cli\u003ePlan \u003cstrong\u003eEthernet network topology\u003c\/strong\u003e in advance if expanding beyond a single rack to ensure adequate bandwidth and switch port availability.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53959431487672,"sku":"2MLB-E12A","price":84.0,"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-e12a-12-slot-expansion-i-o-base","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}