SN3401

Industrial Ethernet to Serial Gateway with Modbus TCP/RTU/ASCII

The SN3401 Industrial Ethernet to Serial Gateway provides reliable and flexible communication between serial devices and Ethernet networks. With support for Modbus TCP, RTU, and ASCII protocols, this gateway seamlessly integrates with a wide range of industrial applications.

Features:

• Versatile Serial Interface: Connects to RS-232, RS-422, RS-485-4w, and RS-485-2w devices.
• Flexible Configuration: Adjustable baud rates, data bits, parity, stop bits, and flow control options.
• Robust Network Connection: 10/100 Base TX Ethernet interface with built-in 1.5 kV magnetic isolation protection.
• Dual Power Options: Operates on 9VDC or 48VDC power supply.
• Modbus Protocol Support: Modbus TCP Client (Master), Modbus TCP Server (Slave), Modbus RTU/ASCII Master, Modbus RTU/ASCII Slave.
• High Connectivity: Supports up to 16 Master and 32 Slave connections.
• Low Power Consumption: Typical consumption of 1.18W (9VDC) and 1.30W (48VDC) with no external load.
• Compliance and Certifications: Meets EN 55032/35, CISPR 32, FCC Part 15B Class A, IEC 61000-4-2, 4-3, 4-4, 4-5, 4-6, 4-8, 4-11, UL 60950-1, UL 62368-1, and RoHS standards.
• Wide Operating Range: Operates in temperatures from 0°C to 60°C and humidity levels of 5% to 95% RH (non-condensing).
• Versatile Mounting Options: Supports desktop, wall, DIN-rail, and rack mounting (with optional VE-RMK1U kit).

Technical Specifications:

Connectors & Interfaces:

• Serial: 1 x DB-9 Male (RS-232, RS-422, RS-485-4w, RS-485-2w) with pull-up/down resistors for RS-485: 1kΩ, 150kΩ
• Baud Rates: 110-921600 bps
• Data bits: 5, 6, 7, 8
• Parity: None, Even, Odd, Space, Mark
• Stop bits: 1, 1.5, 2
• Flow control: RTS/CTS, DTR/DSR, XON/XOFF
• Network: 1 x RJ-45 Female (10/100 Base TX)
• Power: 1 x DC Jack (9VDC), 1 x 3-pole Terminal Block (9-48VDC)

Protocols:

• Ethernet: Modbus TCP Client (Master), Modbus TCP Server (Slave)
• Serial: Modbus RTU/ASCII Master, Modbus RTU/ASCII Slave
• Max Connections: 16 Master, 32 Slave

Power Consumption:

• DC 9V: 1.18W (6 BTU/h)
• DC 48V: 1.30W (6 BTU/h)

Environmental:

• Operating Temperature: 0 - 60°C
• Storage Temperature: -40 - 75°C
• Humidity: 5 ~ 95% RH, Non-condensing

Physical:

• Housing: Metal
• Weight: 0.20 kg (0.44 lb)
• Dimensions: 9.80 x 11.70 x 2.60 cm (3.86 x 4.61 x 1.02 in)
• Installation: Desktop, Wall Mounting, Din-Rail Mounting, Rack Mounting (with VE-RMK1U)

LEDs:

• Power (Green)
• Status (Yellow Green/Red)
• 10/100 Mbps (Green/Orange)
• Ports (Green/Orange)

Switches:

• Reset (Semi-recessed pushbutton)

Keywords: Industrial Ethernet Gateway, Serial Gateway, Modbus TCP, Modbus RTU, Modbus ASCII, RS-232, RS-422, RS-485, Ethernet to Serial, 10/100 Mbps, 1.5kV Isolation, Industrial Automation, PLC, SCADA, Remote Monitoring, Data Acquisition, Industrial Control, Modbus Master, Modbus Slave, 9VDC, 48VDC, UL Certified, RoHS Compliant, Rack Mount.

Secure Device Server: Connect Legacy Serial Devices to Ethernet

The Secure Device Server is a powerful network device designed to connect legacy RS-232/422/485 serial devices to your Ethernet network, enabling secure remote access from anywhere. This solution expands the number of serial ports available for any host computer over a network, making it ideal for a wide range of applications.

Key Features:

• Secure & Reliable Connectivity: Provides secure communication over Ethernet with features like TLS 1.2 data encryption, RSA 2048-bit certificates, and user permissions for secure access.
• Versatile Operation Modes: Supports various operation modes including Secure Real COM, Secure TCP Server/Client, Secure Serial Tunneling Server/Client, and Console Management for maximum flexibility and security.
• Industrial Applications: Especially suited for industrial process control applications, seamlessly integrates with SCADA systems, PLCs, meters, and sensors to collect data over serial ports.
• Modbus Gateway Functionality: Converts between Modbus TCP and Modbus RTU/ASCII protocols, enabling seamless integration of serial slave devices into existing Modbus TCP networks.
• Simplified Management: Features a user-friendly web-based GUI and a menu-driven UI for easy configuration and monitoring.
• High Performance: Supports multiple users accessing the same port simultaneously, up to 16 connections per port.
• Robust Hardware: Includes hardware redundant power input, surge protection, and DIN-rail mounting options for reliable operation in demanding environments.
• Advanced Security: Offers IP address filtering, local and remote authentication, third-party authentication (RADIUS), and configurable user permissions for enhanced security.
• Comprehensive Management Tools: Supports event notification via email and SNMP traps, online/offline device detection, system event logging, and firmware upgrades.

Ideal Applications:

• Industrial Automation: Connect PLCs, sensors, and meters to your SCADA system for remote monitoring and control.
• Telecommunications: Securely manage and monitor telecom equipment remotely.
• Access Control Systems: Integrate access control devices to your network for secure access management.
• Remote Site Management: Access and control devices at remote locations, simplifying management and troubleshooting.

The Secure Device Server is the perfect solution for connecting legacy serial devices to your network securely and reliably.