{"product_id":"honeywell-2mlt-dmma-dummy-blank-module-for-masterlogic-200","title":"Honeywell 2MLT-DMMA Dummy Blank Module for MasterLogic-200","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 2MLT-DMMA\u003c\/strong\u003e is a \u003cstrong\u003edummy (blank) module\u003c\/strong\u003e for the \u003cstrong\u003eMasterLogic-200 (ML200)\u003c\/strong\u003e PLC system. It is designed to occupy \u003cstrong\u003eempty I\/O slots\u003c\/strong\u003e in the main or expansion base, protecting the backplane connectors from dust, debris, and accidental contact while maintaining proper airflow and structural integrity. The 2MLT-DMMA is essential for systems where future expansion is planned but not yet implemented, ensuring the PLC base remains sealed and compliant with environmental ratings.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Dummy \/ Blank Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e MasterLogic-200 \/ ML200\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunction:\u003c\/strong\u003e Slot filler for empty I\/O positions\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection:\u003c\/strong\u003e Covers backplane connector and prevents dust ingress\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Industrial-grade ABS \/ polycarbonate blend\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions (W x H x D):\u003c\/strong\u003e 27.4 mm x 90 mm x 70 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 30 g\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\u003eColor:\u003c\/strong\u003e Light gray (matches ML200 module aesthetic)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane protection\u003c\/strong\u003e — seals unused I\/O slots against dust, moisture, and conductive debris that could cause short circuits or corrosion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaintains cooling airflow\u003c\/strong\u003e — engineered vent pattern ensures unrestricted convection cooling through the PLC base when slots are unoccupied\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStructural rigidity\u003c\/strong\u003e — prevents base rail flexing in high-vibration environments by filling gaps between active modules\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTool-free installation\u003c\/strong\u003e — snaps into place exactly like a standard I\/O module, requiring no screws or special tools\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCost-effective placeholder\u003c\/strong\u003e — allows system builders to provision future I\/O capacity without purchasing active modules upfront\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlaceholder for future I\/O expansion in phased automation projects\u003c\/li\u003e\n\u003cli\u003eProtection of unused slots during system commissioning before all I\/O is installed\u003c\/li\u003e\n\u003cli\u003eSpare slot coverage in high-dust environments (cement plants, mining, agriculture)\u003c\/li\u003e\n\u003cli\u003eTemporary slot filling during module replacement or maintenance\u003c\/li\u003e\n\u003cli\u003eStandard practice in OEM panel builds with configurable I\/O options\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentify empty slots\u003c\/strong\u003e — locate all unused I\/O slots in the ML200 main base or expansion base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAlign dummy module\u003c\/strong\u003e — hold the 2MLT-DMMA with the retention clips facing the base rail guides.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePress into slot\u003c\/strong\u003e — apply even pressure until both retention clips click into place. The module should sit flush with adjacent active modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVerify seating\u003c\/strong\u003e — gently tug the module to confirm it is locked and will not dislodge during vibration or transport.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the difference between 2MLT-DMMA and 2MLR-DMMA?\u003c\/strong\u003e\u003cbr\u003e\nA: The \u003cstrong\u003e2MLT-DMMA\u003c\/strong\u003e is for \u003cstrong\u003eempty I\/O slots\u003c\/strong\u003e in standard ML200 bases. The \u003cstrong\u003e2MLR-DMMA\u003c\/strong\u003e is for \u003cstrong\u003eempty power supply slots\u003c\/strong\u003e in the ML200R redundant system only. They are not interchangeable.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Does the dummy module consume power or have logic?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003eNo.\u003c\/strong\u003e The 2MLT-DMMA is a passive mechanical placeholder with no electrical connections or circuitry.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I leave slots empty without a dummy module?\u003c\/strong\u003e\u003cbr\u003e\nA: While physically possible, \u003cstrong\u003eHoneywell recommends using dummy modules\u003c\/strong\u003e in all empty slots to maintain IP rating, prevent connector damage, and ensure proper thermal management.\u003c\/p\u003e\n\n\u003ch3\u003eSelection Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOrder \u003cstrong\u003eone 2MLT-DMMA per empty I\/O slot\u003c\/strong\u003e at the time of panel build to ensure complete base protection.\u003c\/li\u003e\n\u003cli\u003eKeep \u003cstrong\u003e5–10% spare dummy modules\u003c\/strong\u003e in your spare parts inventory for future expansion projects.\u003c\/li\u003e\n\u003cli\u003eDo not use \u003cstrong\u003e2MLR-DMMA\u003c\/strong\u003e in standard ML200 bases — it is dimensionally different and designed only for ML200R redundant power supply slots.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53952847544504,"sku":"2MLT-DMMA","price":124.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0935\/6132\/3704\/files\/2MLT-DMMA_353be202-08de-4197-a3d6-62a31b4bcfa6.png?v=1787197720","url":"https:\/\/www.globalpetroparts.com\/products\/honeywell-2mlt-dmma-dummy-blank-module-for-masterlogic-200","provider":"Global Petro Parts Automation","version":"1.0","type":"link"}