{"product_id":"b-r-3dm476-6-system-2005-digital-mixed-i-o-module","title":"B\u0026R 3DM476.6 System 2005 Digital Mixed I\/O Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6 (3DM476.6)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a versatile digital mixed module engineered for the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eB\u0026amp;R System 2005\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eseries. Designed to handle high-density I\/O requirements in a single hardware footprint, this module features 16 digital inputs and high-performance outputs compatible with both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VAC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003esignals. This \"mixed\" architecture makes the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ean ideal solution for retrofitting legacy systems or managing diverse field devices such as limit switches, sensors, and small solenoid valves. With its robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eIP20\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eprotection and comprehensive electrical isolation, this module provides a reliable interface for complex industrial automation tasks in energy management, material handling, and process control.\u003c\/p\u003e\n\u003ch3\u003eHardware Architecture and Signal Logic\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis optimized for stability and safety, utilizing advanced group isolation to prevent cross-talk and protect the central processing logic.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDigital Mixed I\/O:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCombines input and output functionality, reducing the number of physical slots required in the rack and lowering overall system costs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDual Voltage Compatibility:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VAC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efield signals, providing unparalleled flexibility when interfacing with mixed-power control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSophisticated Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures high-level group isolation (Input to Input and Input to Output). This ensures that electrical faults in one group do not propagate to other sections of the module or the backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBalanced power profile with an external consumption of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.0 W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(24 V) and internal consumption of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.5 W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(5 VDC).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eB\u0026amp;R (Bernecker + Rainer)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Mixed I\/O Module\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC \/ 24 VAC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.4 A\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInternal Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 W at 5 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eExternal Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 W at 24 V\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eGroup Isolation (Input\/Input, Input\/Output)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP20\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCan the 3DM476.6 handle AC and DC signals simultaneously on different channels?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module is rated for both\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e24 VDC and 24 VAC\u003c\/strong\u003e, but you must adhere to the group isolation rules. While individual channels are not isolated from one another within a group, the input groups are isolated from output groups, allowing for different potential references across those boundaries.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the 0.4 A output rating?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e0.4 A\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erating per output is specifically tailored for driving pilot devices, such as interposing relays or high-impedance solenoid coils. If you need to drive high-power actuators, it is recommended to use the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto trigger a larger power contactor.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the 2.5 W internal power consumption affect my rack sizing?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.5 W\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edrawn from the 5 VDC backplane is a critical factor for your power budget. Ensure that your System 2005 power supply module has sufficient \"Internal 5V\" headroom to support this module along with other CPU and communication cards in the same rack.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eField Engineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWiring for Group Isolation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhen wiring the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e, take advantage of the group isolation to separate noisy AC field signals from sensitive DC inputs. Ensure that common terminals for different groups are kept electrically distinct to maintain the integrity of the isolation barrier.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eThermal Management:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGiven the total internal and external power consumption (4.5 W total), ensure the System 2005 rack is mounted in an enclosure with adequate ventilation. If multiple\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodules are used, maintain standard clearance between the rack and the cabinet walls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eI\/O Mapping:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore commissioning in B\u0026amp;R Automation Studio, verify the channel mapping. Since this is a mixed module, improper software configuration can lead to \"Output Force\" commands being sent to hardware defined as inputs, which may trigger system faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3DM476.6\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erepresents the rugged engineering standards of B\u0026amp;R's classic automation lines. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2.0 kg\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eshipping weight is indicative of its high-quality internal components and solid mechanical housing. Its ability to provide 16 inputs plus outputs in a single unit makes it a \"space-saver\" for dense control panels. Furthermore, the lack of channel-to-channel isolation within a group—balanced by robust group-to-group isolation—provides a cost-effective yet safe solution for standard industrial applications where extreme individual isolation is not required.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"B\u0026R","offers":[{"title":"Default Title","offer_id":53086378656107,"sku":"3DM476.6","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/3dm476.6-p2qv1vn3x31.png?v=1776064692","url":"https:\/\/www.plcprotech.com\/products\/b-r-3dm476-6-system-2005-digital-mixed-i-o-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}