PROSOFT MVI56-DNPSNET Gate Module
Brand：PROSOFT Model number：MVI56-DNPSNET
Country of origin:the States Product weight：0.55kg
HS code：8517623990
Product Details：
Product Dimensions：
The MVI56-DNPSNET module allows a ControlLogix processor to appear as a DNP 3.0 Server (slave) on an Ethernet network. It handles the complex processing of the DNP 3.0 protocol independently, ensuring that the main ControlLogix CPU is not burdened with communication overhead. The module occupies a single slot in the ControlLogix chassis and transfers data to and from the processor using a high-speed backplane data transfer mechanism. Configuration of the module is handled via a user-defined profile or standard configuration files using ProSoft Configuration Builder (PCB) software, while data mapping is simplified through sample ladder logic or Add-On Instructions (AOIs) in Studio 5000.
Platform Compatibility: Single-slot ControlLogix (1756) backplane compatible.
Ethernet Port: One 10/100 Base-T RJ45 Ethernet port.
Protocol Support: DNP 3.0 Server over Ethernet (TCP or UDP, Service Port 20000).
DNP Functionality: Supports DNP 3.0 Subset Level 2 functionality, including timestamped events, collision avoidance, and unsolicited responses.
Backplane Current Load: Typically $800 \text{ mA}$ at $5 \text{ VDC}$ and $3 \text{ mA}$ at $24 \text{ VDC}$.
Operating Temperature: $0\text{°C}$ to $60\text{°C}$ ($32\text{°F}$ to $140\text{°F}$).
Storage Temperature: $-40\text{°C}$ to $85\text{°C}$ ($-40\text{°F}$ to $185\text{°F}$).
Relative Humidity: 5% to 95%, non-condensing.
LED Indicators: Modules Status, Backplane Transfer Status, Application Status, and Ethernet Link/Activity.
A major advantage of the MVI56-DNPSNET is its High-Speed Data Exchange, which utilizes the ControlLogix backplane to transfer large blocks of DNP data rapidly without affecting the execution time of the control program. The module's support for Unsolicited Responses allows it to transmit critical event data to the DNP master immediately when a state change occurs, rather than waiting to be polled, which optimizes network bandwidth.
The Comprehensive DNP 3.0 Feature Set includes precise time synchronization and event storage, ensuring that historical sequence-of-events (SOE) data is preserved accurately even during network outages. Additionally, the ProSoft Configuration Builder software provides automated diagnostics and data viewing tools that drastically reduce commissioning and troubleshooting time in the field.
When installing the MVI56-DNPSNET, you must ensure Network Security Safeguards are in place; because the DNP3 protocol over Ethernet lacks native encryption in its standard implementation, the module should always be placed within a secure, firewalled industrial network zone or connected via a secure VPN.
Chassis Power Calculations must be reviewed before inserting the module, as it draws a significant $800 \text{ mA}$ from the $5 \text{ VDC}$ backplane rail; overloading the chassis power supply can lead to unexpected CPU faults.
Technicians should take note of the module's Memory Configuration constraints, as assigning too many event points without tuning the deadband parameters can saturate the module's buffer and lead to lost historical data. Lastly, always verify that the ControlLogix Controller Slot Number is correctly set in the module configuration, as incorrect routing parameters will prevent successful backplane communication between the module and the PAC.
The MVI56-DNPSNET is extensively deployed in industries that rely heavily on SCADA telemetries and the DNP 3.0 framework.
Electrical Substation Automation: Interfacing ControlLogix systems with electrical SCADA masters to monitor breakers, relays, and power quality meters.
Water and Wastewater Telemetry: Connecting regional water treatment hubs or pumping stations to a centralized municipal SCADA network.
Oil and Gas Pipelines: Transmitting pipeline pressure, flow rate, and valve status across long-distance telemetry networks that use DNP 3.0 for reliability.
Renewable Energy Integration: Managing wind farm or solar array substation data distribution to the main electrical grid control center.
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