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ProSoft MV156E-MNET ControlLogix Modbus TCP/IP Interface Module

ProSoft MV156E-MNET ControlLogix Modbus TCP/IP Interface Module

Only 10 item(s) left in stock
  • Manufacturer: ProSoft

  • Product No.: MV156E-MNET

  • Country of origin:United States

  • Product Type: PLC Communication Modules

  • Payment: T/T, Western Union

  • Weight: 3000g

  • Dimensions: 220 mm x 150 mm x 50 mm

  • Shipping port: Xiamen

  • Warranty: 12 months

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Description

Interfacing Modbus TCP/IP networks directly with Allen-Bradley ControlLogix processors is simplified using the ProSoft MV156E-MNET Modbus TCP/IP Interface Module. This highly specialized communication interface allows ControlLogix Programmable Automation Controllers (PACs) to act as both client and server nodes on industrial Modbus TCP/IP networks. It mounts directly into a standard ControlLogix chassis, accessing the backplane directly to transfer up to 10,000 words of database memory without requiring separate network gateways. Utilizing standard Ethernet connectivity, the ProSoft MV156E-MNET provides reliable high-speed data exchanges for process control, telemetry, and power monitoring infrastructures.

Key Features

  • Dual-Port Functionality: Supports simultaneous Modbus TCP/IP client and server connections across an active Ethernet architecture.
  • Seamless System Integration: Fully integrated with Rockwell Automation Studio 5000 / RSLogix 5000 using native Add-On Instructions (AOI) to eliminate complex ladder logic programming.
  • Onboard Status Display: A 4-character, scrolling, alphanumeric LED display provides real-time diagnostic indicators including current IP address, error codes, and configuration status.
  • Configurable Port Mapping: Flexible memory mapping supports up to 20 client connections and 20 server connections to communicate with multiple physical units.

Industrial Applications

  • Substation Automation: Interfacing smart electrical protection relays, power meters, and trip units with ControlLogix processors.
  • Water and Wastewater SCADA: Connecting remote telemetry units (RTUs), flow computers, and chemical dosing systems over long-distance fiber Ethernet networks.
  • HVAC and Chillers: Gathering performance metrics, temperatures, and compressor metrics from third-party industrial chillers into a centralized control system.

Technical Specifications

Specification Parameter Engineering Value
Manufacturer ProSoft Technology
Module Model / SKU MV156E-MNET
Compatible Platform Rockwell Automation ControlLogix Systems
Backplane Current Load (5 VDC) 800 mA
Backplane Current Load (24 VDC) 3 mA
Operating Temperature 0 to 60 degC (32 to 140 degF)
Storage Temperature -40 to 85 degC (-40 to 185 degF)
Relative Humidity 5% to 95% RH (Non-condensing)
Operational Shock / Vibration 30 g operational, 50 g non-operational / 5 g (10 Hz to 150 Hz)
Diagnostic LED Display 4-character scrolling alphanumeric display (IP, configuration, status)
Status Indicators Battery Status (ERR), Application Status (APP), Module Status (OK)
Country of Origin USA
Shipping Weight (Calculated) 1.13 kg (2.5 lbs)
Package Dimensions (Calculated) 220 mm x 150 mm x 50 mm

Connections and Interfaces

Port Interface Connector Type Functional Assignment
Ethernet Port (E1) RJ45 (Auto-MDIX) Modbus TCP/IP client/server industrial fieldbus communications
Configuration Port (E2) RJ45 (Auto-MDIX) Dedicated configuration, monitoring, and firmware upload connection via ProSoft Configuration Builder (PCB)

Empirical Engineering Insights

Alternative Models & Compatibility

The MV156E-MNET serves as the direct operational upgrade to the legacy MVI56-MNET module. While both modules use identical backplane dimensions, the newer "E" series features faster processing cores, dual configuration/application Ethernet ports, and native Add-On Instructions (AOI) which remove the need for legacy configuration blocks in PLC memory. Always verify that target controller memory allows for the updated AOI data structures when migrating legacy configurations.

Application Pitfalls & Engineering Notes

When deploying multiple Modbus client connections on the module, ensure the PLC's Requested Packet Interval (RPI) is adjusted based on actual communication throughput needs. Setting the RPI too low (less than 10 milliseconds) on high-density registers can saturate the ControlLogix backplane interface, resulting in backplane transfer buffer overruns. For most telemetry configurations, an RPI of 20 to 50 milliseconds ensures optimal data consistency.

Commissioning & Wiring Tips

If the module's IP address is unknown on a commissioning site, observe the scrolling 4-character alphanumeric LED. During the boot sequence, the module scrolls the active IP address of both the application and diagnostic Ethernet ports. This built-in status display avoids the need to scan networks or force IP address resets via serial interfaces, allowing faster loop verification on-site.

Installation Guidelines

CRITICAL SAFETY WARNING

Always completely disconnect all input and backplane power from the ControlLogix chassis before inserting or removing the communication module. Failure to de-energize the rack before card insertion may cause electrical arcing, module physical damage, or system-wide processor faults.

1

Power down the local ControlLogix chassis and verify that all system LEDs are completely dark.

2

Align the module with the upper and lower guides of an empty slot in the ControlLogix chassis, then slide it in firmly until the card is fully seated in the backplane connectors.

3

Secure the module to the top and bottom chassis locking brackets. Re-power the chassis and observe the initialization sequence on the LED display.

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How do I recover a lost IP address on this module?

The active IP address for both the application and setup Ethernet ports is displayed on the scrolling alphanumeric front display during power-up, avoiding the need to factory reset the network configurations.

What is the maximum database size supported by the MV156E-MNET?

This module features an internal database capacity of up to 10,000 registers to transfer data seamlessly between Modbus devices and the ControlLogix processor.

Can this module operate in a remote I/O chassis?

Yes, it can be mounted in a remote ControlLogix chassis over an EtherNet/IP adapter (such as 1756-EN2T), provided the network connection supports the required RPI speeds.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

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