ProSoft | MVI56-MCMR | Modbus Communication Module (Reduced Data Block)

Product Description

The MVI56-MCMR module from ProSoft Technology is a Modbus communication interface designed for Allen Bradley ControlLogix systems. This version features a reduced data block, making it suitable for applications that require smaller memory mapping while maintaining full Modbus RTU and ASCII communication capabilities.

Key Specifications

• Manufacturer: ProSoft Technology / Allen Bradley

• Model: MVI56-MCMR

• Part Number: MVI56-MCMR

• Product Type: Modbus Communication Module (Reduced Data Block)

• Backplane Current Load: 800 mA @ 5 VDC, 3 mA @ 24 VDC

• Operating Temperature: 0–60°C (32–140°F)

• Storage Temperature: –40–85°C (–40–185°F)

• Shock Resistance: 30 g operational, 50 g non-operational

• Vibration Resistance: 5 g, 10–150 Hz

• Relative Humidity: 5–95% non-condensing

• Configuration Port (CFG): RJ45 (DB-9M adapter supplied), RS-232 only

• Communication Parameters:

• Baud Rate: 110–115,200 baud

• Stop Bits: 1 or 2

• Data Size: 7 or 8 bits

• Parity: None, Even, Odd

• RTS Timing Delay: 0–65,535 ms

• Modbus Modes: RTU (binary with CRC-16) and ASCII (with LRC error checking)

• Floating Point Support: Enron, Daniel®, and other implementations supported

• Shipping Weight: 2 kg

Core Features

• Reduced data block design for optimized memory usage

• Full support for Modbus RTU and ASCII communication modes

• Configurable communication parameters for flexible integration

• Floating point data handling with industry-standard implementations

• Diagnostic LED indicators for monitoring module status

Application Scenarios

• Integration of Modbus devices into ControlLogix systems with limited memory requirements

• SCADA and distributed control systems requiring Modbus RTU or ASCII communication

• Industrial automation setups needing configurable communication parameters

FAQ

• Q: What distinguishes the MVI56-MCMR from the MVI56-MCM?  A: The MCMR version uses a reduced data block, making it suitable for applications with smaller memory requirements.

• Q: Which Modbus modes are supported?  A: Both RTU (binary with CRC-16) and ASCII (with LRC error checking).

• Q: Does the module support floating point data?  A: Yes, including Enron and Daniel-style implementations.