{"product_id":"allen-bradley-mvi56-apc-gas-liquid-flow-computer-plc-5","title":"Allen-Bradley MVI56-APC Gas \u0026 Liquid Flow Computer PLC-5","description":"\u003cp\u003eConfigured for industrial flow data computation in PLC-5 rack-based systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eAllen-Bradley MVI56-APC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003eMVI56-APC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eGas \u0026amp; Liquid Flow Computer) provides direct physical and electrical execution of flow calculation algorithms and protocol bridging.\u003c\/p\u003e\n\u003ch3\u003eModel Identification and Configuration\u003c\/h3\u003e\n\u003cp\u003eThe MVI56-APC is an in-chassis solution designed specifically for the Allen-Bradley ControlLogix\/PLC-5 backplane environment, facilitating high-speed data processing for gas and liquid metering applications. It occupies a single slot and functions as an intelligent interface between field flow meters and the primary control processor.\u003c\/p\u003e\n\u003ch3\u003ePhysical and Electrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMVI56-APC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eAllen-Bradley\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.28 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e3.5 x 14 x 14.5 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBackplane Current Load\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e800 mA @ 5 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eRAM\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e128 MB min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHard Drive Space\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100 MB min\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePC Requirement\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePentium 100 mHz or faster\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSlot Usage\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1 Slot\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eControlLogix\/PLC-5 Communication Determinism\u003c\/h3\u003e\n\u003cp\u003eThe module maintains high-performance backplane bus communication velocity, ensuring deterministic exchange of flow data within the ControlLogix\/PLC-5 chassis. The integration relies on optimized firmware flash compatibility to support complex flow-metering protocols. By utilizing the backplane interface, the module minimizes latency, allowing the PLC processor to access computed volume, mass, and energy data at a refresh rate consistent with the rack scan cycle.\u003c\/p\u003e\n\u003ch3\u003eLogistics and Supply Details\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eModule includes the MVI56-APC hardware unit.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDocumentation and configuration software are typically provided via digital media or vendor download portals.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNo additional terminal blocks or specialty cables are included in the base shipment unless specified by the purchase order.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUnits are shipped in anti-static, moisture-barrier packaging.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Protocols\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure the PLC chassis is de-energized before inserting or removing the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSecure the module using the top and bottom chassis locking screws to ensure proper backplane connector engagement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMaintain a minimum clearance of 5 cm around the module for thermal dissipation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUse shielded twisted-pair cabling for field device connections to mitigate electromagnetic interference (EMI).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure the module ground lug is bonded to the common chassis ground reference to prevent potential-difference-induced faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical FAQ\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHow does the module interface with the processor?\u003c\/p\u003e\n\u003cp\u003eThe module communicates via the ControlLogix backplane, mapped as I\/O data in the PLC memory table.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the module hot-swappable?\u003c\/p\u003e\n\u003cp\u003eNo, remove power from the chassis before module insertion or removal to prevent electrical arcing on the backplane pins.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the primary function of the 5 VDC power requirement?\u003c\/p\u003e\n\u003cp\u003eThe 800 mA current draw powers the onboard processor, RAM, and communication circuitry isolated from the field power.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan this module operate in a remote rack?\u003c\/p\u003e\n\u003cp\u003eYes, the module is compatible with both local and remote ControlLogix\/PLC-5 rack configurations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDoes this module perform flow calculations onboard?\u003c\/p\u003e\n\u003cp\u003eYes, it contains a dedicated processor to handle gas and liquid flow calculations independent of the main PLC scan.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat happens during a firmware update failure?\u003c\/p\u003e\n\u003cp\u003eThe module remains in a non-responsive state; re-initiate the boot-loader sequence via the configuration port.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the module compatible with all PLC-5 firmware versions?\u003c\/p\u003e\n\u003cp\u003eCompatibility is subject to the specific revision levels defined in the module's release notes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhy is the module not communicating with the processor?\u003c\/p\u003e\n\u003cp\u003eVerify slot alignment, check that the module is fully seated, and ensure the rack configuration in the software matches the physical slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":46066475925677,"sku":"MVI56-APC","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/MVI56-APC2.jpg?v=1781598575","url":"https:\/\/www.maxwellplc.com\/ru\/products\/allen-bradley-mvi56-apc-gas-liquid-flow-computer-plc-5","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}