ProSoft MVI56-MNETR ControlLogix Modbus TCP/IP Interface Module

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Produsen: ProSoft
Nomor Produk: MVI56-MNETR
Negara asal:Amerika Serikat
Jenis Produk: PLC Communication Modules
Pembayaran: T/T, Western Union
Berat: 450g
Dimensi: 25.0 cm x 20.0 cm x 8.0 cm
Pelabuhan pengiriman: Xiamen
Garansi: 12 bulan

Description

Integrating Modbus TCP/IP communications directly into Rockwell Automation ControlLogix systems, the ProSoft MVI56-MNETR provides a specialized high-performance network interface utilizing a reduced data block structure. This module operates as an in-chassis slot solution, enabling ControlLogix processors to interface seamlessly with Modbus TCP/IP-compatible field instruments, SCADA systems, and programmable controllers. Designed specifically for architectures with constrained memory mapping or remote I/O limitations, the reduced data block configuration limits the backplane I/O transfer size to 240 words of input and 240 words of output data, making it highly compatible with remote I/O racks over ControlNet or EtherNet/IP adaptors.

Features

Reduced Data Block Structure: Limits I/O data transfers to 240 words input/240 words output to support remote rack installations.
Multi-Protocol Flexibility: Concurrently supports both Modbus TCP/IP Client (Master) and Server (Slave) configurations.
High Isolation Security: 1500 V rms electrical isolation protects the ControlLogix backplane from external network transient faults.
Optimized Diagnostic LEDs: Front-panel indicators provide real-time status updates for module operation, backplane transfer, and serial/Ethernet port activity.
Network Resiliency: Integrated broadcast storm protection mitigates network degradation under high-volume ARP frame scenarios.

Applications

Remote I/O rack communication over ControlNet or EtherNet/IP.
SCADA and HMI integration across plant networks.
Substation automation and power monitoring network connections.
Interfacing with variable frequency drives, flow meters, and external PLCs.

Technical Specifications

Parameter	Specification
Manufacturer	ProSoft Technology
Model Series	MVI56 ControlLogix Platform
Backplane Current Draw	800 mA at 5 Vdc; 3 mA at 24 Vdc
Operating Temperature	0 degC to 60 degC (32 degF to 140 degF)
Storage Temperature	-40 degC to 85 degC (-40 degF to 185 degF)
Relative Humidity	5% to 95% (non-condensing)
Vibration Resistance	5 g from 10 Hz to 150 Hz
Shock Operational	30 g operational; 50 g non-operational
Ethernet Port	10/100 Base-T RJ45 Connector
Electrical Isolation	1500 V rms at 50 to 60 Hz for 60 s (IEC 60950)
Broadcast Storm Resiliency	Less than or equal to 5000 ARP frames-per-second
Net Weight	0.45 kg
Shipping Weight (Calculated)	1.50 kg
Package Dimensions (Calculated)	25.0 cm x 20.0 cm x 8.0 cm

Connections and Interfaces

Interface Port	Description / Function
Ethernet Port (RJ45)	Primary 10/100 Mbps Modbus TCP/IP connection. Utilizes Cat5e or Cat6 cabling.
CFG Port (RJ45)	Configuration port. Interfaces via RJ45 to DB-9M connection for diagnostics and firmware utility software setup.

Empirical Engineering Insights

Alternative Models & Compatibility

It is vital to distinguish the MVI56-MNETR from the standard MVI56-MNET. The MVI56-MNET utilizes a larger 5000-word block size, which is unsupported by several common remote I/O network adapters. If your system architecture places the communication interface in a remote rack connected via ControlNet (e.g., 1756-CNB/CN2) or EtherNet/IP (e.g., 1756-ENBT/EN2T), the "R" (Reduced Data Block) variant is mandatory to prevent connection sizing faults.

Application Pitfalls & Engineering Notes

When configuring large networks, ensure the broadcast traffic does not exceed the hardware limit of 5000 ARP frames-per-second. Networks shared with enterprise data or unmanaged switches often suffer from high broadcast traffic, which can trigger the internal safety isolation of the MVI56-MNETR's ethernet controller, causing brief, intermittent offline faults. Always isolate industrial control paths onto distinct virtual networks (VLANs) or managed switches.

Commissioning & Wiring Tips

Initial configuration requires ProSoft Configuration Builder (PCB) software. Connect via the provided RJ45-to-DB9 cable to the configuration serial port prior to system insertion if your default IP network segment is different. Ensure standard RS-232 serial parameters are matched on the configuration computer to establish stable firmware terminal access.

Installation Guidelines

CRITICAL WARNING: electrical discharge hazard

Remove all system operational power from the ControlLogix chassis before inserting or removing the MVI56-MNETR interface. Inserting or removing the card while the backplane is energized can cause irreversible logical disruption to the PLC processor or damage the backplane contact connector pins.

1 Ensure the ControlLogix system is de-energized.

2 Align the module circuit card with the plastic guides of the target slot in the ControlLogix chassis.

3 Firmly slide the module inward until it seats securely into the chassis backplane.

4 Secure the top and bottom chassis tabs on the module front-plate.

5 Connect the shielded RJ45 Ethernet communication cable to the primary ports and power on the chassis.

Key Features:

#PLC Communication Modules #ProSoft ControlLogix

What is the difference between the MVI56-MNET and MVI56-MNETR?

The MVI56-MNETR is the 'Reduced Data Block' version. It uses a maximum configuration of 240 input and 240 output words to communicate through standard backplanes. This enables the module to be utilized in remote I/O racks where network adaptors limit larger data block configurations.

Can the module operate as both a Modbus TCP/IP Client and Server concurrently?

Yes, the MVI56-MNETR interface supports simultaneous operations, allowing it to act as both a Modbus Client (Master) requesting data and a Modbus Server (Slave) responding to command requests on the network.

Is software required to configure the interface parameters?

Yes, configuration requires the free ProSoft Configuration Builder (PCB) software tool. Configuration files are downloaded to the module via the RS-232 serial configuration port using the supplied RJ45-to-DB9 cable.

What happens if Ethernet broadcast storm activity exceeds 5000 frames per second?

The module contains hardware protection that can drop or limit packets when broadcast frames exceed this limit to prevent module locking, ensuring backplane communications remain running.

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TECHNICAL SPECIFICATIONS

Country of origin

ProSoft MVI56-MNETR ControlLogix Modbus TCP/IP Interface Module