ProSoft PLX31-EIP-MBS4 Serial Four-Port Communication Gateway

SKU PLX31-EIP-MBS4

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12-month warranty
Free returns within 30 days

Manufacturer: ProSoft
Product No.: PLX31-EIP-MBS4
Country of origin:United States
Product Type: Communication Gateways
Payment: T/T, Western Union
Weight: 3000g
Shipping port: Xiamen
Warranty: 12 months

Description

The PLX31-EIP-MBS4 is an industrial-grade communication gateway designed to establish bi-directional data exchange between EtherNet/IP networks and Modbus Serial protocols. By acting as a protocol converter, this module permits EtherNet/IP-enabled controllers, such as Rockwell Automation Logix processors, to seamlessly read and write data to Modbus Serial devices. The gateway features four isolated serial ports, allowing independent configuration for RS-232, RS-422, or RS-485 electrical interfaces. This flexibility enables high-density integration of field instruments, power meters, drives, and flow controllers into modern control systems.

Engineered for demanding industrial environments, this interface module supports both EtherNet/IP Class 1 I/O connections for real-time control and Class 3 messaging for diagnostic data transfer. The dynamic data mapping capabilities allow engineers to optimize throughput, ensuring minimal latency between networks.

Features

Four fully independent, isolated serial ports supporting RS-232, RS-422, and RS-485 configurations.
Supports up to 5 EtherNet/IP Class 3 server connections and 8 Class 1 I/O connections.
Bi-directional data mapping between EtherNet/IP and Modbus Serial networks.
Configurable serial parameters including baud rate, parity, stop bits, and handshaking.
Diagnostics and monitoring available via web-based configuration tools.
Wide operating temperature range suited for unconditioned control cabinets.

Applications

SCADA and HMI integration with legacy Modbus field devices.
Power distribution networks integrating Modbus RTU power meters.
Oil and gas flow metering system communication.
Water and wastewater remote telemetry integration.
Industrial manufacturing assembly line automation.

Technical Specifications

ParameterSpecification

Manufacturer	ProSoft Technology
Part Number / Model	PLX31-EIP-MBS4
Product Type	EtherNet/IP to Modbus Serial Gateway
Number of Serial Ports	4 (isolated)
Serial Interface Types	RS-232, RS-422, RS-485
EtherNet/IP Class 3 Connections	5
EtherNet/IP Class 1 I/O Connections	8
I/O Connection Size	248 / 248 bytes
Max Requested Packet Interval (RPI)	5 ms per connection
Nominal Input Voltage	24 VDC
Allowed Input Voltage Range	10 to 36 VDC
Current Load (Nominal)	300 mA @ 24 VDC
Current Load (Maximum)	610 mA @ 10 to 36 VDC
Operating Temperature	-25 degC to 70 degC
Storage Temperature	-40 degC to 80 degC
Shipping Weight	3 kg

Connections and Interfaces

Interface PortPhysical Connection TypeSupported Protocols

Ethernet Port	RJ45 (10/100 Mbps)	EtherNet/IP, TCP/IP
Serial Port 1	RJ45 (RS-232/422/485)	Modbus RTU / ASCII
Serial Port 2	RJ45 (RS-232/422/485)	Modbus RTU / ASCII
Serial Port 3	RJ45 (RS-232/422/485)	Modbus RTU / ASCII
Serial Port 4	RJ45 (RS-232/422/485)	Modbus RTU / ASCII
Power Input	3-position terminal block	Positive, Negative, GND

Installation Guidelines

Mounting: Install on standard 35mm DIN rails. Verify the locking mechanism is secure.
Grounding: Connect the dedicated ground terminal on the power connector directly to the panel functional ground using low-impedance copper wire.
Wiring: Route communication cabling (Ethernet and Serial) away from high-voltage AC lines to prevent electromagnetic interference.
Clearance: Maintain at least 50mm of clearance at the top and bottom of the module to support proper convective cooling.

Compliance and Certifications

CE Mark
UL/cUL Class I, Division 2
ATEX Zone 2

FAQ

What protocols does the ProSoft PLX31-EIP-MBS4 gateway bridge?

The PLX31-EIP-MBS4 bridges devices on an EtherNet/IP network with devices on Modbus Serial (RTU or ASCII) networks.

Can the serial ports be configured independently?

Yes, all four serial ports are isolated and can be individually configured for RS-232, RS-422, or RS-485 physical layer communication.

What are the power requirements for this gateway?

The module requires a nominal 24 VDC power supply, but supports an input range of 10 to 36 VDC.

How many Class 1 and Class 3 connections does it support?

It supports up to 5 Class 3 Server connections and up to 8 Class 1 I/O connections.

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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.

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 technical warranty.

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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

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