Description

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

Basic Information

• Model: PLX31-EIP-MBS
• Brand: ProSoft Technology (USA, leading industrial protocol gateway manufacturer)
• Full Function: Bidirectional protocol conversion gateway between EtherNet/IP industrial Ethernet and Modbus serial bus (RTU/ASCII)
• Warranty: 1 Year
• Core Matching System: Rockwell Allen‑Bradley ControlLogix / CompactLogix / Micro800 EtherNet/IP PLC platform

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1. Detailed Technical Specifications

1.1 Communication Interfaces

EtherNet/IP Side

• Dual RJ45 10/100Mbps auto-negotiation Ethernet ports (switch built-in, daisy chain cabinet wiring)
• Isolation: 1500Vrms electrical isolation for Ethernet circuit
• Support EtherNet/IP Class 1 real-time I/O connection and Class 3 message connection
• Embedded EDS file, directly imported into RSLogix 5000/Studio 5000 for zero-drag configuration
• Max data exchange: Up to 1440 bytes input + 1440 bytes output; supports up to 10,000 16-bit Modbus registers mapping
• 

Modbus Serial Side

• 1 configurable serial terminal port: RS232 / RS422 / RS485 hardware switchable
• Supported protocols: Modbus RTU (CRC16), Modbus ASCII (LRC)
• Baud rate range: 110 bps ~ 115200 bps freely set
• Parity: None / Odd / Even; Data bits 7/8, Stop bits 1/2
• Max 32 Modbus slave nodes on RS485 bus, slave address range 1~247
• Complete Modbus function code support (01/02/03/04/05/06/15/16 etc. for coils, discrete inputs, holding registers, input registers)

1.2 Power & Environmental

• Power input: 10~36VDC wide DC, rated 24VDC 300mA, max 610mA
• Operating temperature: -25°C ~ +70°C
• Storage temperature: -40°C ~ +80°C
• Humidity: 5%–95% non-condensing
• Mounting: Standard 35mm DIN rail vertical/horizontal installation
• Certifications: UL/cUL Class I Div 2, CE, ATEX Zone 2, ODVA EtherNet/IP certified
• Extra hardware: Built-in micro SD card slot for configuration file backup & one-click recovery
• Full LED diagnostic indicators: PWR, ERR, FLT, MS, NS, Ethernet Link/Act, Serial TX/RX

1.3 Protection & Performance

• Onboard ESD, surge, EFT transient suppression circuit
• Broadcast storm protection for Ethernet port
• Independent data RPI cycle setting for control and status data to optimize Ethernet bandwidth
• Web server built-in for remote diagnosis, register monitoring and fault code query