Description
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BrandProsoft
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ModelMVI56E-GSC
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Product NameGeneric ASCII Serial Enhanced Communication Module
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Place of OriginUnited States
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Customs HS Code8537101190
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Power Supply5 VDC
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Dimensions127 mm × 102 mm × 23 mm
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Weight0.35 kg
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Operating Temperature0 °C ~ +60 °C
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Storage Temperature‑40 °C ~ +85 °C
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Warranty12 year
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Product Statusoriginal
ProSoft MVI56E-GSC Technical Specifications (Power, Supported Systems & Software)
ProSoft MVI56E-GSC Voltage and Current Specifications
The MVI56E-GSC module is fully powered by the ControlLogix rack backplane and requires no external power terminals or independent power supply. The module consumes 800 mA from the 5 VDC backplane power source and 3 mA from the 24 VDC auxiliary backplane power source. A 500 V galvanic isolation barrier is implemented between the internal logic circuitry and field serial interfaces, providing effective electrical isolation and anti-interference performance. The serial ports only provide low-current signal-level driving capability and are unable to supply operating power for external field devices.
Supported Hardware Systems
This communication module is specially designed for Rockwell Automation ControlLogix rack-based systems. It is compatible with ControlLogix processors running firmware revision 10 or newer. The module utilizes a single standard slot in both local and remote ControlLogix chassis. With integrated CIPconnect technology, it supports stable operation within EtherNet/IP and ControlNet industrial network environments.
Supported Software
ProSoft Configuration Builder (PCB): Enables complete module configuration, serial communication parameter setup, online status diagnosis and real-time serial data monitoring.
ProSoft Discovery Service (PDS): A Windows-based tool used to identify online MVI56E-GSC modules on the network and configure temporary IP addresses.
Rockwell RSLogix 5000: Official add-on instructions (AOIs) are supported for version 16 and above; versions 15 and earlier adopt ProSoft-provided sample ladder logic for program integration.
Rockwell RSLinx (v2.51 or higher): Establishes stable communication links between industrial PCs and ControlLogix controllers for configuration and data uploading/downloading.
Embedded Onboard Web Server: Accessible via Ethernet network to view module operating status, serial port statistics, fault records and built-in technical documents without additional configuration software.
Operating System Compatibility: All supporting configuration and programming software is compatible with Microsoft Windows operating systems.

Application Cases of ProSoft MVI56E-GSC
Industrial Serial Instrument Data Acquisition
Acting as a serial communication gateway, the MVI56E-GSC connects multiple ASCII-based field instruments, including analyzers, temperature transmitters, weighing instruments and flow meters, to Rockwell ControlLogix-based PLC systems. It reliably collects real-time serial data and transfers valid process values to the controller backplane. This enables unified data monitoring and centralized process control for multi-vendor field equipment within chemical, pharmaceutical and manufacturing production lines.
Cross-Brand Automation System Integration
This module addresses communication compatibility barriers between ControlLogix platforms and third-party serial devices. With configurable RS-232, RS-422 and RS-485 interfaces, it enables smooth data exchange between Rockwell controllers and non-standard serial hardware such as legacy drives, local operator panels and industrial sensors. It avoids costly system reconstruction caused by protocol incompatibility and enhances overall equipment interoperability of the automation system.
Oil & Gas and Power Industry SCADA Monitoring
It is widely adopted for oil-field stations, gas transmission pipelines and power-plant auxiliary control systems. Through the ControlLogix backplane, the module transmits operational status, parameter values and fault information collected from serial field devices to upper-level SCADA and DCS platforms. It supports long-distance serial transmission with strong anti-interference capability to guarantee stable data communication under harsh industrial electromagnetic conditions.
On-Site Equipment Retrofit and Legacy System Upgrade
The module is well-suited for modernization projects of ageing industrial control systems. The MVI56E-GSC can replace older-generation serial communication modules while keeping the original field cabling and device configurations intact. It improves communication efficiency and data throughput without extensive hardware modification, lowering retrofit expenses and reducing the risk of production downtime.
Factory Equipment Remote Diagnosis and Maintenance
Benefiting from its built-in Ethernet web-server function, the module allows remote access to serial-port running status, data transaction logs and module fault records. Engineers can identify remote field communication anomalies, quickly locate wiring defects or incorrect protocol settings, and significantly improve the efficiency of field operation, maintenance and fault troubleshooting.
Local Rack Integrated Communication Deployment
Designed for standard ControlLogix local and remote rack architectures, its single-slot modular form factor helps save cabinet installation space. It supports centralized management of multi-channel serial input and output signals inside one control cabinet, standardizes field communication wiring, and further optimizes wiring order and overall system stability.

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