PROSOFT 5201-MNET-103M ControlNet to Modbus network interface gateway

Description

ProSoft 5201-MNET-103M ControlNet to Modbus network interface gateway

Overview

ProSoft 5201-MNET-103M is a high-performance industrial communication gateway produced by ProSoft Technology (now a brand under Rockwell Automation). The core function of this module is to act as a protocol converter between the ControlNet network and Modbus serial devices.

In industrial automation systems, equipment from different manufacturers often use different communication protocols, which makes it impossible for them to exchange data directly. The 5201-MNET-103M is precisely designed to solve this difficult problem. It can seamlessly bridge the control system with Rockwell ControlNet network as the backbone and a large number of field devices (such as instruments, sensors, drivers, intelligent relays, etc.) that support the Modbus RTU protocol, achieving bidirectional transparent data transmission. It is a key component for building an integrated and intelligent factory network.

Core features and advantages

1. Powerful protocol conversion capability
◦ Bidirectional data exchange: It can act as a Master or Slave of Modbus, actively poll or passively respond to Modbus devices connected to the serial network, and map data to the ControlNet network for access by ControlLogix or CompactLogix PLCS, and vice versa.

◦ Extensive support: Fully supports Modbus RTU protocol and is compatible with the vast majority of Modbus devices.

2. Seamless integration and high performance
Native ControlNet interface: The module is directly integrated into the ControlNet network and exists as an independent node, without the need for additional controller resources for protocol processing, significantly reducing the CPU load on the PLC.

◦ High throughput: High-performance processors ensure the speed of data exchange, which can meet the needs of most real-time applications.

◦ Easy to configure: Provide powerful Windows-based ProSoft Configuration Builder (PCB) software for configuration. Through the graphical interface, users can easily define the Data Exchange Table and directly map the data registers of Modbus devices (such as the 40001 hold register) to the Tags of the ControlNet network or the scanner data table of the PLC.

5205-DFNT-PDPS

3. High reliability and industrial grade design
◦ Robust and durable: With industrial-grade design, it has a wide operating temperature range and can withstand vibration, shock and harsh electromagnetic environments, ensuring stable operation in demanding industrial conditions.

Dual-port ControlNet interface: Supports redundant ControlNet network connections, allowing for linear or star topologies, and enhances network reliability.

Isolated serial ports: The RS-232/485 serial ports are electrically isolated from the internal circuits, effectively preventing ground current and electromagnetic interference from damaging the equipment and ensuring communication stability.

4. Flexible connection and diagnosis
◦ Serial connection options: Two serial interfaces, RS-232 and RS-485, are provided (typically through switchable terminal blocks or D-sub connectors), allowing for the connection of multiple Modbus slave devices.

Comprehensive diagnostic functions: The front panel offers a rich array of status LED indicator lights to display power, ControlNet network status, serial port activity, and error information, facilitating quick installation and troubleshooting.

Typical application fields

This gateway is widely used in various industries that require the integration of Modbus devices into the Rockwell ControlNet architecture
• Process control: Connect process instruments such as flowmeters, pressure transmitters, level gauges, and analyzers that support Modbus to the ControlLogix system.

• Energy management: Integrate power monitoring instruments (electricity meters) into the control system to collect and analyze energy consumption data.

• Manufacturing: Connect old Modbus devices (such as temperature controllers and drivers) to modern Allen-Bradley control systems to protect existing investments.

• Water treatment/municipal: Integrated water pumps, valve controllers and various sensors.

Summary of Technical Specifications

• Manufacturer: ProSoft Technology (A Rockwell Automation Company)

Model: 5201-MNET-103M

• Type: Communication Protocol Gateway

• Network interface: ControlNet (dual port)

• Serial interface: RS-232 / RS-485 (isolated), supporting Modbus RTU

• Configuration software: ProSoft Configuration Builder (PCB)

• Power supply: Usually 24 VDC

• Installation method: 35mm DIN rail mounting

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