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NEXI-ZLAN5143I High-Performance Isolated Serial Server/Modbus Gateway,Tunnel environmental monitoring/Wind power generation system,RS485/422

Brand: Nexisense

Model: ZLAN5143I

Output: RS485/422

Power: 18-36V DC

IP Rating: IP66

Range: 5% to 95% RH

Description: The Nexisense ZLAN5143I is a high-performance, high-reliability isolated serial server and Modbus gateway product designed for harsh industrial environments. It supports RS232/RS485/RS422 interfaces, features 2500V/3000V isolation protection, and boasts strong resistance to lightning strikes and electromagnetic interference. It is suitable for scenarios such as wind power, tunnel monitoring, and geological disaster monitoring.

Products Description


Product Definition: The CoreNode of Industrial Serial Communication

The Nexisense ZLAN5143I is a flagship industrial communicationdevice that integrates both a serial serverand a Modbus gateway. It canconvert RS232/485/422 serial signals into Ethernet signals,enabling transparent data transmission between serial devices and networks and supporting Modbus protocol conversion. This device is specifically optimized for harsh environments with high electromagnetic interference, high lightning strike risk, and outdoorconditions, making it acrucial component for building industrial IoT communication infrastructure.

Working Principle: The Efficient Bridge Between SerialData and Ethernet

The Nexisense ZLAN5143I High-Performance Isolated Serial Server / Modbus Gateway is based on an embedded network communication protocol stackthat provides multiple communication modes, including TCP Server, TCP Client, UDP, and UDP Multicast. Withvirtual serial port drivers, it enables serial transparent transmission and Modbus RTU/TCP protocol conversion.

In transparent transmission mode, it supports full-duplex, high-speed data forwarding without packet loss, ideal for applicationswith high real-time requirements. In Modbus gateway mode, it uses a store-and-forward protocolmechanism that improves communication efficiency between multiple devices, outperforming traditional forwarding methods.

Structure Analysis: Every Detail Designed for Industrial Environments

The ZLAN5143I features a professional-grade hardware architecture design:

  • Power Isolation (3KV): The powerinput part adopts high voltage isolation, ensuring stable system power supply.

  • Serial Isolation (2.5KV): RS485/422 signals are electrically isolated from the system ground for superior protection.

  • ±15KV ESD Protection: Enhanced resistance toelectrostatic discharge for reliable operation.

  • 25KV/μs Common-Mode Surge Suppression: Effectively filterscommon-mode interference signals, improving overallanti-interference capability.

  • ShellGrounding Design: Thedevice's metal shell includes a groundingterminal to enhance lightning protection and surgeresistance.

  • High Load Capacity: RS485supports up to 256 connected nodes, far exceeding the industry average.

NEXI-ZLAN5143I High-Performance Isolated Serial Server/Modbus Gateway Application Scenarios: Widespread Coverage from Tunnel Monitoring toDisaster Warning

The Nexisense ZLAN5143I High-Performance Isolated Serial Server / Modbus Gateway is suitable for the following typical industrialscenarios:

  • Tunnel EnvironmentMonitoring: High anti-interference capability and suitability for high humidityand long-distance transmission.

  • Wind Energy Systems: Supports remote device status monitoring and control.

  • Geological Disaster Early Warning: Works with multiple sensor terminals toensure uninterrupted communication.

  • Traffic, Environmental, and Municipal Automation:Acts as a networked node for on-site serial devices.

  • SCADA System Integration: Modbus gateway functionality enhancescompatibility.

NEXI-ZLAN5143I High-Performance Isolated Serial Server/Modbus Gateway Parameter Configuration: Industrial Quality Evidenced by Data

CategoryParameterValue/Description
Electrical IsolationPower Isolation3000V

Serial Isolation (RS485/422)2500V

Common-Mode Surge Suppression>25KV/us

ESD Protection±15KV
Serial Port SupportInterface TypeRS232 / RS485 / RS422 (all-in-one)

Node SupportRS485 supports 256 nodes

Data Bits5-9 bits

Stop Bits1 or 2 bits

ParityNone,Even, Odd, Mark, Space

Flow ControlRTS/CTS, DTR/DCR, XON/XOFF

BaudRate1200-115200bps (for 460800bps, recommended ZLAN5142I)
NetworkCommunicationEthernet Interface10/100Mbps, auto-adaptive,2KV surge protection

Protocol SupportTCP, UDP, HTTP, DHCP, DNS, ARP, etc.

Connection ModeTCP Server (up to 40 clients), TCP Client (upto 8 destination IPs)

Virtual Serial PortSupported with ZLVirCom driver
Device ManagementConfiguration MethodWeb interface, ZLVirCom, management tools

FirmwareUpgradeRemote upgrade supported
Power and SizeOperating Voltage18-36V DC (custom 12V available),400-600mW power consumption

Interface TypeDCpower jack / terminal block dual poweroptions

Dimensions94 × 65 × 25 mm
Environmental AdaptabilityOperating Temperature-45℃ ~ 85℃

Storage Temperature-45℃ ~120℃

Humidity Range5% ~ 95% RH

NEXI-ZLAN5143I High-Performance Isolated Serial Server/Modbus Gateway Measurement and Configuration Methods

The device canbe configured through the following methods:

  • Web ConfigurationInterface: Access the device's web interface via IP address to set serial parameters such as baud rate anddata bits.

  • ZLVirComSoftware: Enables virtual serialport mapping for seamless integration with legacy systems.

  • Network Search Tool:

  • Serial Debugging Tools: Convenient for Modbus command testing and transparent transmission verification.

Product Advantages: Why Choose Nexisense ZLAN5143I High-Performance Isolated Serial Server / Modbus Gateway?

  • Industrial Quality Assurance: Fully isolateddesign, strong electromagnetic compatibility, andbroad temperature adaptability.

  • ExtensiveProtocol Support: From transparenttransmission to Modbus protocol conversion, meeting various system requirements.

  • Massive Connection Capacity: Supports multiple clients and up to256 node connections, exceeding industry standards.

  • Flexible and Easy Installation: Supports rail mounting and various power supplyoptions.

  • Efficient Remote Management: Dual configuration options via web interface and software for efficient remote upgrades and maintenance.

Conclusion: A Reliable Choice for Industrial Communication

The Nexisense ZLAN5143I High-Performance Isolated Serial Server / Modbus Gateway is an indispensable core product for industrialfield communication applications. With its high electrical isolation protection, strong serial compatibility,stable Modbus gatewayfunctionality, and comprehensive remote management system, the ZLAN5143I not only meets the rigid demands of today's industrial automation communications but is also readyfor future system expansion and upgrades.

In the pursuitof reliable communication, device safety, and system compatibility, the Nexisense ZLAN5143I High-Performance Isolated Serial Server / Modbus Gateway is undoubtedly the professional choice and flagshipselection.


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