The ProSoft MVI56-MCMR is a specialized Modbus Master/Slave communication module designed for the Rockwell Automation ControlLogix platform. It is specifically optimized for remote chassis applications, such as those utilizing ControlNet, where bandwidth optimization is critical. By utilizing a reduced 42-word Input/Output image, the MVI56-MCMR minimizes bandwidth impact compared to standard modules, making it an ideal choice for complex, distributed control systems.
| Model | MVI56-MCMR |
| Backplane Current (5 VDC) | 800 mA |
| Backplane Current (24 VDC) | 3 mA |
| Operating Temperature | 0 to 60 degC |
| Slot Requirements | 1 Slot |
| Communication Standards | RS-232, RS-485, RS-422 |
| Baud Rate | 110 to 115,200 bps |
| I/O Mapping | 42-word reduced image |
The MVI56-MCMR is optimized for remote chassis applications by using a reduced 42-word I/O image to save bandwidth, whereas the MVI56-MCM uses a larger 250-word image. Additionally, the MCMR does not support the Modbus Pass-Thru feature.
The MVI56-MCMR is configured using an offline file created in ProSoft Configuration Builder (PCB) and integrated into the processor using Add-On Instructions (AOI) within RSLogix 5000.
Yes, you can use the Initialize Input Image parameter to cache values from the processor so they are not reset to zero during a module reset or power loss.
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