Industrial communication converter from RS232/RS485/RS422 to Ethernet | Modbus TCP | 5-36V / 9-50VDC | IP30
Code: ES-HF5111BThis industrial RS232/RS485/RS422 to Ethernet converter is a multifunctional network device designed for serial data transmission over a TCP/IP network. It operates on the FreeRTOS operating system and supports Modbus TCP, Telnet, SSL/AES/DES3 encryption, ensuring secure and reliable data transmission.
With a wide voltage range (536VDC or 950VDC) and high operating temperature support (-40°C ~ +85°C), the device is suitable for demanding industrial conditions, including manufacturing automation, IoT networks, transportation systems, and remote monitoring.
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Technical Specifications:
Ethernet Interface Parameters:
Ethernet Port: 1× RJ45
Standard: 10/100 Base-T, Auto-Negotiation
Electromagnetic Interference Protection: 8KV contact discharge, 15KV air discharge
Supported Network Protocols: IP, TCP, UDP, DHCP, DNS, HTTP Server/Client, Telnet, Modbus TCP
Data Protection: AES-128Bit, DES3, SSL/TLS v1.2
IPv6 Support: No
Serial Interface Parameters:Number of Serial Ports: 1 (RS232/RS485/RS422)
Standards: RS232: DB9 connector; RS485/RS422: 5.08mm terminal block
Data Transmission Speed: 2400 ~ 460800 bps
Electromagnetic Interference Protection: Electrostatic Protection: 8KV contact discharge, 15KV air discharge; Voltage Surge Protection: 2KV differential, 4KV common
Network Functions:Operating Modes: TCP Server, TCP Client, UDP, HTTP, Telnet
IP Configuration: DHCP or static IP, AutoIP
DNS Support: Yes
Modbus TCP Support: Yes
HTTP Protocol Support: Yes
Configuration: Web interface; CLI commands; XML file import; Telnet; IoTService configuration tool
Mechanical and Environmental Characteristics:Protection Class: IP30
Dimensions: 95 × 65 × 25 mm
Operating Temperature: -40°C ~ +85°C
Storage Temperature: -45°C ~ +85°C, 5-95% RH (non-condensing)
Power Parameters:Voltage: 536VDC or 950VDC
Power Connector: Φ5.5×2.1mm plug or 5.08mm terminal block
Protection: Reverse polarity protection
Current Consumption: ~100mA
Power Consumption: <400mW
Other Parameters:Certificates: 3C, FCC, CE, RoHS
Software: Supports Windows XP/Vista/7/8/10 (32bit/64bit), Windows Server 2003/2008/2012
SDK Support: Yes
Main Features:RS232/RS485/RS422 to Ethernet conversion – enables integration of serial devices into a TCP/IP network
Modbus TCP support – for industrial data collection and automation
High-level protection – 8KV electrostatic protection and SSL encryption ensure data security
Easy configuration – via Web interface, CLI, or IoTService tool
Wide operating range – temperature resistance from -40°C to +85°C
Suitable for industrial use – compatible with SCADA, IoT, transportation, and logistics systems
Application Areas:Industrial Automation – data transmission between PLCs, sensors, and control systems
Transportation Sector – remote monitoring and control of equipment
Energy Sector – data collection and transmission from electrical grids
IoT and M2M Communication – remote monitoring and control via Ethernet
Smart Buildings – integration of HVAC, lighting, and security systems
Pros:Versatility – supports RS232, RS485, RS422
High data transmission speed – up to 460800 bps
Security – SSL/TLS, AES-128Bit, DES3 data encryption
High reliability – electrostatic protection up to 8KV, operating temperature -40°C ~ +85°C
Flexible power supply – supports a wide voltage range (5-36VDC or 9-50VDC)
Easy configuration – managed via Web interface or Telnet
Cons:No WiFi support – requires wired Ethernet connection
Complex configuration – requires a network administrator with knowledgeThis industrial RS232/RS485/RS422 to Ethernet converter is a high-reliability device designed for data transmission in industrial networks. It supports Modbus TCP, ensures secure SSL encrypted communication, operates under extreme temperatures, and is suitable for automation, IoT, and transportation systems.
A perfect choice for industrial networks and serial device integration into Ethernet!
Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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