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Allen Bradley ControlLogix MVI56-MCM

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MVI56-MCM

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The Allen Bradley MVI56-MCM is a communication module that integrates seamlessly with the ControlLogix system, specifically designed for the 1756 backplane. This module supports a range of serial baud rates and is equipped to handle varying data formats, ensuring versatile connectivity for industrial applications.

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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for MVI56-MCM

ManufacturerAllen Bradley
Product TypeCommunication Module
Product LineControlLogix
Part NumberMVI56-MCM
Weight1.69 lbs (0.77 kg)
Compatible SystemAllen-Bradley ControlLogix (1756 backplane)
Backplane Power Load800 mA @ 5 V DC; 3 mA @ 24 V DC
Serial Baud Rate110–115,200 bps configurable
Data Format7–8 data bits, 1-2 stop bits, parity (none/odd/even)
Storage Temperature-40 to 85 °C
Humidity Range5–95% non-condensing
IsolationOptical isolation from backplane (500 V typical)
Status IndicatorsModule status, backplane transfer, application, serial activity
Vibration5 g from 10 to 150 Hz
Shock (operational)30g
Shock (non-operational)50g
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The MVI56-MCM communication module by Allen Bradley provides essential connectivity for ControlLogix systems, specifically designed for the 1756 backplane. It efficiently draws power with an 800 mA load at 5 V DC and minimal consumption of 3 mA at 24 V DC. This module allows for a flexible serial baud rate ranging from 110 bits per second to 115,200 bits per second and can be configured to handle data formats consisting of 7 to 8 data bits along with 1 to 2 stop bits with optional parity settings (none, odd, or even).

When it comes to environmental tolerance, the MVI56-MCM showcases impressive capabilities, functioning effectively from -40 °C to 85 °C, thus suitable for a variety of operating conditions. It can also withstand humidity levels of 5% to 95%, provided that it remains non-condensing. For safety and reliability, the module incorporates optical isolation from the backplane, rated at a typical 500 V. Status indicators provide real-time feedback on module status, backplane transfer, application, and serial communication activity.

In terms of operational resilience, the MVI56-MCM is built to endure vibrations of up to 5 g across the frequency range of 10 to 150 Hz. Operational shocks do not exceed 30g, and the non-operational rating is capable of handling shocks up to 50g. This ensures that the module maintains performance even in challenging industrial environments.