ProSoft PLX31-EIP-MBS PLX31 Series EtherNet/IP to Modbus Serial Gateway

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Manufacturer: ProSoft
Product No.: PLX31-EIP-MBS
Country of origin:United States
Product Type: Gateways
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 13.67 cm x 5.05 cm x 11.13 cm
Shipping port: Xiamen
Warranty: 12 months

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Description

Facilitating seamless data communication between EtherNet/IP-enabled control networks and Modbus serial networks, the ProSoft PLX31-EIP-MBS protocol converter operates as a standalone gateway. Designed to link Rockwell Automation PLCs, including ControlLogix and CompactLogix systems, to Modbus RTU/ASCII-compliant devices, this module acts as a bridge for legacy and modern system integration. It allows the integration of sensors, drives, and specialized instrumentation into high-level control architectures without requiring expensive network overhauls.

The gateway is engineered for harsh industrial environments, offering high electrical isolation on both the Ethernet and serial pathways to prevent damage from ground loops. Featuring a compact form factor for DIN rail installation, the gateway delivers reliable data routing with configurable read/write commands, mapping internal registry memory across protocols with minimum transmission latency.

Features

Dual-protocol mapping facilitates real-time data exchange between EtherNet/IP master/slave devices and Modbus RTU/ASCII networks.
Complete galvanic isolation on serial and Ethernet communication paths shields control equipment from electrical noise and voltage transients.
Integrated diagnostic LEDs provide real-time status indication for power, network connectivity, internal errors, and port traffic.
Flexible power input tolerances make the module suitable for diverse industrial power distribution standards.
Configuration is managed via user-friendly software utilities, allowing memory offset mapping and quick deployment.

Applications

Oil and gas production monitoring, connecting Modbus-based flow meters to EtherNet/IP RTU networks.
Water and wastewater plant automation for motor control center (MCC) integration.
Power generation and substation systems linking protective relays to central SCADA systems.
Factory automation environments standardizing fieldbus devices onto unified Ethernet backbones.

Technical Specifications

Manufacturer	ProSoft Technology
Part Number / Model	PLX31-EIP-MBS
Power Supply Input	24 VDC nominal (10 VDC to 36 VDC allowable)
Current Load	24 VDC nominal @ 300 mA (10 VDC to 36 VDC @ 610 mA maximum)
Operating Temperature	-25 degC to 70 degC (-13 degF to 158 degF)
Storage Temperature	-40 degC to 80 degC (-40 degF to 176 degF)
Relative Humidity	5% to 95% RH (non-condensing)
Vibration Protection	IEC 60068-2-6; 5G @ 10 to 150 Hz
Ethernet Port	1x 10/100 Mbps RJ45 port (half/full duplex)
Ethernet Isolation	1500 Vrms for 60 seconds (per IEC 60950: 1991 section 5.3.2)
Serial Communication Port	1x RS-232/422/485 configurable port
Serial Port Isolation	2500 Vrms port signal isolation per UL 1577 (using RF-based isolation media)
LED Status Indicators	Configuration (CFG), Error (ERR), Power (PWR), Hardware Fault (FLT), Network Status (NS), Module Status (MS), Serial RX/TX, Ethernet Link/Activity
Dimensions (H x W x D)	13.67 cm x 5.05 cm x 11.13 cm (approximate)
Shipping Weight	2.0 kg

Connections and Interfaces

Interface / Pin	Function Description
RJ45 Port	EtherNet/IP network communication and configuration port
Serial Port	RS-232, RS-422, or RS-485 connection to Modbus slave or master field devices
V+ Terminal	Positive DC Power input (10 to 36 VDC)
V- Terminal	Negative DC Power return line
GND Terminal	Chassis/Functional Ground reference

Installation Guidelines

Ensure the unit is mounted on a standard 35mm DIN rail within a dust-free and temperature-regulated control enclosure.
Always use shielded Ethernet (Category 5e or higher) and shielded twisted-pair serial cables to limit electromagnetic interference (EMI).
Connect the GND terminal directly to a clean, low-resistance functional earth ground bus bar.
Ensure there is adequate ventilation spacing of at least 25mm above and below the module during operation.

Key Features:

#Gateways #ProSoft PLX31

What power input does the ProSoft PLX31-EIP-MBS require?

The gateway operates on a nominal 24 VDC power supply, but is compatible with a wider input range of 10 to 36 VDC.

Does the serial port on the PLX31-EIP-MBS feature isolation?

Yes, the serial port provides 2500 Vrms signal isolation utilizing RF modulation technology compliant with UL 1577 standards.

Can this gateway be used in extreme temperature environments?

Yes, the module is rated for an industrial operating temperature range of -25 degC to 70 degC (-13 degF to 158 degF).

Which Modbus protocols are supported by the serial port?

The gateway supports both Modbus RTU and Modbus ASCII protocols on its configurable RS-232/422/485 serial port.

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

ProSoft PLX31-EIP-MBS PLX31 Series EtherNet/IP to Modbus Serial Gateway