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The ProSoft Technology MVI56-BAS is single-slot BASIC programmable communication module for Rockwell 1756 ControlLogix PAC. It enables legacy BASIC program migration from old 1771-DB / 1747-BAS to ControlLogix chassis, supporting custom BASIC scripting for serial ASCII devices, DF1 communication, barcode readers, scales and modems. The module executes user BASIC code locally to offload math and data parsing tasks from ControlLogix CPU. Technical data sourced directly from official ProSoft MVI56-BAS datasheet & user manual. Supplied by SHLY-PLC, an independent industrial automation distributor; each unit undergoes visual inspection and functional testing before shipment for retrofit and spare replacement projects. Contact our team for compatibility verification.
Official Datasheet & User Manual Technical Parameters
| Technical Specifications | |
| Catalog Number | MVI56-BAS |
| Hardware Type | 1756 Single-Slot BASIC Programmable Communication Module |
| Backplane Current Draw | 800mA @ 5.1 VDC, 3mA @24VDC |
| Serial Interface | 2 x Isolated Serial Ports, RS232/RS485 configurable |
| Onboard Runtime | BASIC interpreter for custom user scripts |
| DF1 Mode | Full-duplex or Half-duplex Slave |
| Environmental Ratings | |
| Operating Temperature | 0°C ~ +60°C (32°F ~ +140°F) |
| Storage Temperature | -40°C ~ +85°C (-40°F ~ +185°F) |
| Relative Humidity | 5% ~ 95% RH, Non-Condensing |
| Shock / Vibration | 30g operational /50g non-operational; 5g vibration 10Hz~150Hz |
| Agency Certifications | |
| cULus | UL508, Class I Div 2 Groups A,B,C,D T6 |
| ATEX | II 3 G EEx nA IIC T6 |
| Compliance | CE, RoHS |
The MVI56-BAS is designed to migrate legacy BASIC programs originally written for 1771-DB and 1747-BAS modules into ControlLogix rack. It runs BASIC scripts locally to handle custom serial parsing and arithmetic processing, reducing ControlLogix controller load. It is not a BACnet BAS gateway. This listing is provided by an independent industrial-automation distributor; brand names and part numbers are used for product identification only.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
A: MVI56-BAS is ProSoft BASIC programmable communication module for Rockwell 1756 ControlLogix, used for legacy BASIC code migration and custom serial ASCII device interfacing.
A: Yes, it is built to migrate existing BASIC applications originally written for 1771-DB and 1747-BAS modules.
A: Two galvanically isolated serial ports, configurable for RS232 or RS485, supports DF1 full/half duplex slave.
A: RSLogix5000 / Studio5000 plus ProSoft Configuration Builder to download BASIC scripts and module configuration.
MVI56-BAS · Technical reference data · Independently supplied by SHLY-PLC
Standard International (tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders of $500 or less; free on orders over $500.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Remote-area and overweight surcharges, where applicable, are shown before checkout.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use. Manufacturer or factory warranty service is not applicable, and extended warranty packages are not provided.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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