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PROSOFT MVI94-MCM Communication Interface Module
PROSOFT MVI94-MCM
The ProSoft MVI94‑MCM is an industrial communication interface module manufactured by ProSoft Technologies (USA/Japan). It is specifically designed for Rockwell Automation’s Flex I/O platform, enabling seamless data exchange between Flex I/O systems and Modbus networks.
1. Overview
Core Function: Facilitates communication between Rockwell Flex I/O (1756 Flex I/O) and Modbus master/slave networks.Processor: Powered by a Texas Instruments TMS320C6000 series DSP, delivering high precision and exceptional stability.
Application: Widely used in large‑scale industrial automation sectors such as oil and gas, power generation, petrochemicals, and metallurgy.
Processor: Powered by a Texas Instruments TMS320C6000 series DSP, delivering high precision and exceptional stability.
Application: Widely used in large‑scale industrial automation sectors such as oil and gas, power generation, petrochemicals, and metallurgy.
2. Specifications
Power Supply: 24V DC ±20%Current Draw: 20 mA (backplane)
Operating Temperature: 0°C to 55°C (industrial grade)
Storage Temperature: -40°C to 85°C
Dimensions: Single‑slot 1794 form factor (compatible with 1756 Flex I/O backplane)
Communication Interface: 1756 Flex I/O backplane compatible (RS‑485)
Protocols: Modbus RTU (serial), Modbus TCP (Ethernet)
Data Mapping: Supports up to 10,000 + 1,000 registers (depending on configuration)
Current Draw: 20 mA (backplane)
Operating Temperature: 0°C to 55°C (industrial grade)
Storage Temperature: -40°C to 85°C
Dimensions: Single‑slot 1794 form factor (compatible with 1756 Flex I/O backplane)
Communication Interface: 1756 Flex I/O backplane compatible (RS‑485)
Protocols: Modbus RTU (serial), Modbus TCP (Ethernet)
Data Mapping: Supports up to 10,000 + 1,000 registers (depending on configuration)
3. Key Features
High Compatibility: Communicates with a wide range of Modbus devices, including PLCs, VFDs, and sensors.Modular Design: Single‑slot form factor for easy installation and space‑saving integration with Flex I/O backplanes.
Reliability: Industrial‑grade DSP chip provides strong anti‑interference capabilities and long operational life.
Modular Design: Single‑slot form factor for easy installation and space‑saving integration with Flex I/O backplanes.
Reliability: Industrial‑grade DSP chip provides strong anti‑interference capabilities and long operational life.
4. Structure and Components
Slot Module: Single‑slot 1794 module that plugs directly into the Flex I/O backplane.Communication Circuitry: Integrated RS‑485 transceiver for serial communication at the physical layer.
Register Mapping: Large set of digital I/O registers accessible directly from the PLC for reading and writing.
Communication Circuitry: Integrated RS‑485 transceiver for serial communication at the physical layer.
Register Mapping: Large set of digital I/O registers accessible directly from the PLC for reading and writing.
5. Application Areas
Industrial Automation: Connects PLCs with Modbus devices for data acquisition and control.Process Control: Used in distributed control systems (DCS) in oil, gas, and power industries.
Equipment Integration: Interfaces with smart sensors, variable frequency drives, and intelligent instrumentation.
Process Control: Used in distributed control systems (DCS) in oil, gas, and power industries.
Equipment Integration: Interfaces with smart sensors, variable frequency drives, and intelligent instrumentation.
6. Installation and Maintenance
Installation: Power off the PLC, then insert the MVI94‑MCM into an available slot on the Flex I/O backplane.Wiring: Connect to an RS‑485 network or Ethernet (depending on the specific model), ensuring proper termination.
Configuration: Set up module parameters and register mapping using Rockwell’s RSLogix 5000 software.
Maintenance: Hot‑swappable design allows for easy replacement in case of module failure.
Wiring: Connect to an RS‑485 network or Ethernet (depending on the specific model), ensuring proper termination.
Configuration: Set up module parameters and register mapping using Rockwell’s RSLogix 5000 software.
Maintenance: Hot‑swappable design allows for easy replacement in case of module failure.
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