MVI46-DFNT
May 18, 2026

MVI46-DFNT

Model: MVI46-DFNT Manufacturer: ProSoft Technology Applicable System: Allen-Bradley SLC 500 Series PLC Installation Type: Single slot 1746 chassis mounted module Function: This module adds standard EtherNet/IP communication capability to SLC 500 controllers. It supports DF1 messages over Ethernet, enabling seamless data exchange between SLC systems and other EtherNet/IP devices, remote programming and network-level data interaction in industrial automation systems.

Description

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1. Product Overview

Model: MVI46-DFNT
Manufacturer: ProSoft Technology
Applicable System: Allen-Bradley SLC 500 Series PLC
Installation Type: Single slot 1746 chassis mounted module
Function: This module adds standard EtherNet/IP communication capability to SLC 500 controllers. It supports DF1 messages over Ethernet, enabling seamless data exchange between SLC systems and other EtherNet/IP devices, remote programming and network-level data interaction in industrial automation systems.

2. Main Features

  1. Comply with standard EtherNet/IP explicit messaging protocol

  2. Equipped with isolated 10/100Mbps Ethernet RJ45 communication port

  3. Support both client and server working modes flexibly

  4. Client mode supports up to 100 configurable read and write commands

  5. Server mode provides 20 connection channels for external device access

  6. Built-in pass-through function realizes remote upload, download and diagnosis of SLC programs

  7. Adopt M0 and M1 data files to complete high-speed data exchange with SLC CPU

  8. Reserved serial configuration port for local parameter setting and firmware upgrade

  9. Work together with built-in Ethernet port of SLC to realize network segment isolation

  10. Independent data processing design does not occupy main controller operating resources

3. Technical Specifications

Network Parameters

Communication Protocol: EtherNet/IP Explicit Messaging
Transmission Rate: 10Mbps / 100Mbps auto-adaptive
Network Isolation: 1500Vrms electrical isolation protection
Max Client Commands: 100 sets
Max Server Connections: 20 channels

Power Supply Parameters

Power Input: Powered by 1746 chassis backplane bus
Rated Current: 800mA at 5.1VDC

Environmental Parameters

Operating Temperature: 0°C ~ +60°C
Storage Temperature: -40°C ~ +85°C
Relative Humidity: 5% ~ 95%, non-condensing
Vibration Resistance: 5g within 10Hz~150Hz frequency range
Impact Resistance: 30g operational resistance, 50g non-operational resistance

Physical Installation

Mounting Method: Standard single slot installation for 1746 chassis
Applicable Scope: Only for local SLC chassis installation

4. LED Status Indicators

Power Indicator: Show backplane power supply normal status
Run Indicator: Display module operating and running status
Backplane Link Indicator: Reflect data interaction status between module and SLC CPU
Ethernet Link Lamp: Light on for normal network connection
Ethernet Activity Lamp: Flash when Ethernet data transmits

5. Installation and Configuration Steps

  1. Cut off the whole power supply of SLC 500 control system

  2. Insert MVI46-DFNT module into vacant slot of 1746 chassis steadily

  3. Connect industrial Ethernet cable to module network interface correctly

  4. Power on the system and confirm the module is identified by controller normally

  5. Set module static IP address, subnet mask and gateway via configuration tool

  6. Configure client access commands or server access authority according to project demands

  7. Complete internal data mapping and address allocation

  8. Import supporting ladder logic program and finish data matching

  9. Download all configurations and carry out online network communication test

6. Application Scope

  1. Remote program uploading, downloading and online debugging for SLC 500 PLC

  2. Data interconnection between SLC and ControlLogix, CompactLogix controllers

  3. Factory workshop EtherNet/IP network unified monitoring and control system

  4. Old SLC equipment networking renovation to access modern industrial Ethernet system

  5. Industrial SCADA system remote centralized data collection project

  6. Building automation and intelligent equipment Ethernet communication integration

7. Product Advantages

  1. Quickly expand Ethernet function for traditional SLC 500 controllers with low transformation cost

  2. Complete remote pass-through function greatly improve on-site maintenance efficiency

  3. Rich client and server connection resources meet multi-device networking demands

  4. Electrical isolation design effectively resist industrial field electromagnetic interference

  5. Perfect match Rockwell automation system with stable and reliable communication

  6. Abundant diagnosis information facilitates daily operation management and fault troubleshooting

8. Safety Precautions

  1. All module plugging and wiring operations must be performed under power-off state

  2. Use standard industrial Ethernet cables to ensure stable long-distance transmission

  3. Reasonably plan IP address segment to avoid network IP conflict

  4. Set access password and connection authority to ensure industrial network security

  5. Regularly check network line connection status and avoid loose contact failure

  6. Keep the module working within specified temperature range to extend service life


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