{"product_id":"prosoft-mvi46-mcmslc-500-series-datasheet-technical-manual","title":"ProSoft MVI46-MCMSLC 500 Series Datasheet \u0026 Technical Manual","description":"\u003ch2\u003eProSoft MVI46-MCM SLC Modbus Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eProSoft MVI46-MCM\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMVI46MCM\u003c\/strong\u003e Modbus Master\/Slave Interface Module, operates as a dedicated hardware component for asynchronous serial data conversion within Allen-Bradley SLC 500 platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMVI46-MCM (Spare Model: MVI46MCM 1700095)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProSoft Technology (Belden ProSoft)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.22 kg (0.50 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 cm x 15.2 cm x 12.7 cm (1.0 in x 6.0 in x 5.0 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C (32 deg F to 140 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C (-40 deg F to 185 deg F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVibration Resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5 g from 10 to 150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlot Occupancy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSingle-slot module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Rack\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1746 chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBackplane Current Load\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e800 mA @ 5 VDC (also rated up to 5.1 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eData Memory Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5000-word register space\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProtocol Conversion Latencies \u0026amp; Backplane Arbitration\u003c\/h3\u003e\n\u003cp\u003eThe module functions as a local input\/output card interface between the Modbus serial network topology and the Rockwell Automation 1746 backplane. Data allocation within the hardware architecture uses an integrated 5000-word register memory segment to hold data values transferred between the foreign devices and the SLC processor.\u003c\/p\u003e\n\u003cp\u003eThe physical transmission of bits across the serial network link runs asynchronously from the backplane transfer cycle. This dual-port decoupling controls protocol conversion latencies, protecting the main SLC ladder program scan time from network polling delays. The configuration supports both Modbus Master and Modbus Slave roles to manage foreign data concentrator functions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the MVI46-MCM module support hot-swapping or Remove and Insert Under Power (RIUP) actions within the 1746 rack?\u003c\/strong\u003e \u003cstrong\u003eA: No.\u003c\/strong\u003e The 1746 chassis and backplane architecture do not permit online component extraction. System power must be isolated before sliding the module into or out of the slot to prevent physical circuit breakdown or hardware failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: How is data synchronized between the module's 5000-word register space and the SLC processor?\u003c\/strong\u003e \u003cstrong\u003eA: Data routing uses M0 and M1 files\u003c\/strong\u003e driven by the SLC logic application. Because the memory block exchange runs asynchronously to the serial protocol loop, user logic handles the data block pagination without stalling the network transmission lines.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the maximum current load drawn from the 1746 chassis power supply?\u003c\/strong\u003e \u003cstrong\u003eA: The module demands 800 mA\u003c\/strong\u003e directly from the 5 VDC (up to 5.1 VDC) internal backplane rail. This current draw must be factored into the overall power budget calculations of the local 1746 power supply unit.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Insertion Restrictions:\u003c\/strong\u003e De-energize the 1746 chassis fully. Align the printed circuit board card guides into the target slot tracks of the rack and apply even pressure until the top and bottom plastic retaining tabs snap lock into place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSerial Wiring Shielding:\u003c\/strong\u003e Route all serial communication lines through dedicated low-voltage wire conduits. Use high-quality shielded twisted-pair cables, and ensure the drain wire terminates at a single low-impedance grounding bar within the control panel to block industrial electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Termination Requirements:\u003c\/strong\u003e For long physical cable runs or configurations experiencing high signal reflection, connect a 120-ohm matching end-of-line resistor across the differential RX\/TX lines on the termination blocks of the final network nodes.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PROSOFT","offers":[{"title":"Default Title","offer_id":43474962972762,"sku":"MVI46-MCM","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/12.1_54754087-9129-4333-b69e-4baa7bdf346e.jpg?v=1781055054","url":"https:\/\/www.spareoil.com\/products\/prosoft-mvi46-mcmslc-500-series-datasheet-technical-manual","provider":"SpareOil Automation","version":"1.0","type":"link"}