1. Overview
The ProSoft MVI46-MNET communication module leverages ProSoft’s proven technology combined with Allen‑Bradley backplane compatibility to bridge SLC processors (including SLC 500, 500‑M, 500‑MA, 500‑MB, 500‑MC) to modern Ethernet networks. Its primary function is to enable real‑time data synchronization between the SLC PLC and Ethernet‑based systems, allowing legacy SLC installations to seamlessly connect to today’s Ethernet infrastructure and achieve “Ethernet‑enablement”.
This module serves as a critical upgrade path for existing SLC systems, providing a cost‑effective way to extend their lifecycle and integrate with contemporary SCADA, HMI, and IIoT platforms.
2. Key Specifications
- Operating Voltage: 24V DC
- Communication Speed: 10/100 Mbps (auto-sensing)
- Physical Interfaces:Memory Capacity: Approximately 5000 words of register space for data mapping between the PLC and Modbus network
- 1 x RJ45 port (10/100Base‑TX Ethernet)
- 1 x 25‑pin SLC backplane connector
- Temperature Range: -25°C to +55°C (industrial‑grade)
- EMC Compliance: Conforms to relevant industrial standards, suitable for harsh electrical environments
3. Product Features
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Native Compatibility
Designed to integrate directly with the SLC processor backplane, eliminating the need for additional conversion hardware or complex wiring.
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Flexible Data Mapping
With 5000 words of register space, the MVI46-MNET allows flexible configuration of data mapping tables via PC software, enabling customized data exchange between the PLC and Modbus TCP/IP devices.
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High Real-Time Performance
Supports high‑speed Ethernet communication with low data exchange latency, making it ideal for industrial automation applications requiring fast and reliable data transfer.
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Comprehensive Diagnostics
Equipped with multiple status LEDs and built-in self‑test functions, simplifying on-site troubleshooting and maintenance.
4. Structure and Components
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Controller
The core processing unit responsible for protocol conversion and data handling.
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Ethernet Port (RJ45)
Connects to the network switch using standard CAT5/CAT6 Ethernet cable.
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Backplane Interface (25‑pin)
Directly plugs into the side slot of the SLC PLC, providing seamless integration with the SLC backplane.
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Power Supply Module
Draws 24V DC power from either the SLC processor or an external power source.
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Indicator LEDs
Include power, communication status, and fault indicators to provide at-a-glance module status information.
5. Typical Applications
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Legacy System Upgrade
Enables older SLC-based systems to connect to modern Ethernet networks, facilitating seamless data exchange with upper‑level SCADA and HMI systems.
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Remote Monitoring & Control
Allows remote data read/write and control of the PLC over the network, improving operational visibility and reducing on-site intervention.
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Cross-Platform Data Exchange
Facilitates communication between Allen‑Bradley SLC controllers and devices from other manufacturers (e.g., Siemens, Schneider) using the Modbus TCP/IP protocol.
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Industrial Internet of Things (IIoT)
Functions as an IIoT gateway, pushing real-time PLC data to cloud platforms, data centers, or MES/ERP systems for advanced analytics and decision support.
6. Installation and Maintenance
Installation
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Hardware Installation
Power off the system, then insert the MVI46-MNET into an available slot on the SLC processor backplane.
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Network Connection
Use a CAT5/CAT6 Ethernet cable to connect the module’s RJ45 port to a network switch.
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Power Verification
Power on the system and verify that the module’s power LED illuminates, indicating proper power supply.

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If you would like to learn more about our products and services, please feel free to contact us at any time!
- Sales Manager : Jinny
- Email : sales5@xrjdcs.com
- Whatsapp/Mobile:+86 15359273791
Global renowned brand cooperation
ABB 丨 GE 丨Allen Bradley 丨 Honeywell 丨 Emerson 丨 Bently Nevada 丨 Westinghouse
Triconex 丨 Foxboro 丨 ICS Triplex 丨 Hima 丨 Schneider 丨 Yokogawa 丨 Woodward
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Xiamen Xingruijia Export Co., Ltd. Product Introduction & Service Commitments
Covered Brand Portfolio
Main Products of the Company: Brands including FOXBORO, EMERSON, TRICONEX, XYCOM, BENTLY, ROCKWELL, ABB, GE, Aen-Brady, YOKOGAWA, HONEYWELL, RELIANCE, SCHNEIDER, MODICON, Westinghouse, WOODWARD, Motorola, Rexroth, SEW, etc.
Core Business Scope
Core Business Scope: Spare parts for four major systems (DCS, PLC, Robots, and Large Servos) of various well-known brands. (100% original imported genuine products, professional supply of discontinued accessories)Xiamen Xingruijia Export Co., Ltd. sincerely hopes to establish long-term and stable business relationships with various units. We are committed to supplying various specifications and models of instruments and meters, contributing to the development of business partners with high-quality and low-cost products and excellent after-sales service.
Service Commitments
A. Product Quality & Pricing Commitment
We wholeheartedly provide customers with products of stable quality and satisfactory after-sales service. On the premise of ensuring product quality, we strive to supply products at reasonable and low prices.
B. Production Standard & Service Life Guarantee
We organize supply in accordance with national standards or industry standards to ensure that product quality meets relevant requirements. Under correct usage conditions, the service life of our products will not be lower than that of other similar products.
C. Professional Product Selection Guidance
We assist customers in scientifically and reasonably selecting product types, specifications and models.
D. Efficient Delivery Assurance
We guarantee timely delivery. Under normal circumstances, goods will arrive within 6 working days; in special cases, the delivery time will be negotiated according to customer needs.
E. After-sales & Warranty Terms
Since all goods are produced by original foreign manufacturers, the after-sales service is provided by the manufacturers. The warranty period generally ranges from six months to one year, and the specific warranty period shall be subject to that provided by the original factory. In case of product quality problems, if both parties confirm that the problem is caused by the manufacturer’s quality, we will send the product back to the original manufacturer for repair or other necessary treatments.
Company Strength & Cooperation Concept
The company has strong strength, complete equipment, perfect testing methods, reliable quality and superior performance. Adhering to the tenet of putting users first, we insist on strict delivery deadlines, reasonable price standards, excellent product quality and proper after-sales service. We have long-term, sincere and effective cooperation with a large number of new and old users. Our products have demonstrated reliable performance and distinctive advantages, winning the trust and welcome of customers.
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