PRODUCTS

IoT Gateways & DAQ

NEXI-ZLAN5143BI Server Modbus Gatewayl .jpg
video
product name

NEXI-ZLAN5143BI Server/Modbus Gatewayl,Tunnel Monitoring/Wind Power Systems/Geological Disaster Monitoring,RS232/RS485/RS42

Brand: Nexisense

Model: ZLAN5143BI

Output: RS232/RS485/RS422 (Three-in-one)

Power: 3000V AC

IP Rating: IP66

Range: 5%~95% RH, non-condensing

Description: The Nexisense ZLAN5143BI Server/Modbus Gateway is a high-performance industrial-grade serial server and Modbus RTU to Modbus TCP gateway device. It features dual isolation for power and communication interfaces, ±15KV ESD protection, and supports a 256-node RS485 bus. It is suitable for complex applications such as tunnel monitoring, wind power systems, and geological disaster monitoring.

Products Description
Nexisense ZLAN5143BI Serial Server/Modbus <a href="/IoT-Gateways-DAQ/">Gateway</a>

Product Definition and Core Value

The Nexisense ZLAN5143BI Server/Modbus Gateway is an industrial-grade communication core device that integrates a serial server and Modbus gateway function. Designed for harsh environments, it offers surge protection, electrostatic discharge (ESD) immunity, and electromagnetic interference (EMI) shielding. It is widely used in remote data acquisition,industrial automation, and geological disaster monitoring.

Unlike ordinaryserial servers, the Nexisense  ZLAN5143BI Server/Modbus Gateway uses a dual isolation design: 2500V isolation for RS485/RS422 communication ports and 3000Visolation for the power supply, ensuring safe and stable communication operation.

Nexisense ZLAN5143BI Server/Modbus Gatewayl  WorkingPrinciple

The Nexisense ZLAN5143BI Server/Modbus Gateway supports twoworking modes:

  • Transparent Mode: The serial devices are seamlessly mapped to the network side via the Nexisense  ZLAN5143BI Server/Modbus Gateway, supporting TCP Server/TCP Client/UDP communication protocols, enabling the network expansionof traditional serial devices.

  • Modbus Gateway Mode (Storage Mode): The device actively collects and stores data from ModbusRTU devices, which can then beread by the network side via high-speed data retrieval, reducing the polling delay ofthe master station and improving communication efficiency.

The deviceincorporates protocol parsing and caching mechanisms internally to facilitate protocol bridging and intelligent data scheduling, making itcompatible with various upper-level machine platforms.

Core Structure and Interface Analysis

The Nexisense  ZLAN5143BI Server/Modbus Gateway adopts an industrial-grade metal shielding case (SECC) combined with power and communicationinterface isolation, surge protection, and electrostatic discharge protection, ensuring stable operation in lightningand high electromagnetic environments.

Interface Support:

  • RS232, RS485, and RS422serial interfaces (RS422 requiresoptional configuration)

  • Power input supports DC Q2.1 standard plug and terminal block, input voltage range:18V~36V (12V version available on request)

  • DIN rail mount accessories included, suitable for cabinet/control box deployment

Indicator Lights: Power, networkstatus, TCP connection status, serial communication indicators, facilitating maintenance and faulttroubleshooting.

Measurement and Data Processing Methods

In Modbus Gateway mode, the Nexisense  ZLAN5143BI Server/Modbus Gateway allows users to configure polling intervals, slave addresses, function codes, register addresses,etc., to periodically collect data from slave devices and store it in internal memory.

The masterstation can then read the cached data over TCP, avoiding redundant requests,which significantly improves the Modbus TCP read/write efficiency and is ideal for scenarios with largenumbers of concurrent slave devices.

Nexisense ZLAN5143BI Server/Modbus Gatewayl  Technical Specifications

Parameter CategoryDetails
ModelNexisense ZLAN5143BI Server/Modbus Gateway
Communication InterfacesRS232/RS485/RS422 (Three-in-one)
RS485 Load CapacitySupports 256 slaves
Communication Speed1200~115200bps (Supports CTS/RTS)
Power SupplyInput18~36V DC (Supports Q2.1 plug and terminal block)
Power Isolation3000V AC
Interface Isolation2500V AC
ESD Protection±15KV ESD
Communication ProtocolsTCP Server, TCP Client, UDP, UDP Multicast
TCP ConnectionsSupports 40 client concurrent connections, 8 target IPsin Client mode
InstallationDINRail mount (standard accessory)
Shell MaterialSECC steel, EMI shielding
Dimensions94mm × 65mm × 25mm
Operating Temperature-45°C~ +85°C
StorageTemperature-45°C ~ +120°C
Humidity Range5%~95% RH, non-condensing
Power Consumption400~600mW (low-power design)
Driver SupportWindows Virtual COM driver, supports Bit9 address recognition multi-machine communication

Nexisense ZLAN5143BI Server/Modbus Gatewayl Application Scenarios and Industry Coverage

  • Wind Power Generation: Remote data collectionfrom inverters and meters, stable transmission, andanti-interference capabilities.

  • Tunnel/Trench Monitoring: Serial environmental monitoring devices connected to network systems.

  • Geological Disaster Monitoring: Data collection and upload from remote sensors in disaster-prone areas.

  • Smart Buildings and Substations: Multi-terminal concurrent access, unified data upload to the central control platform.

  • Rail Transport: High reliabilityfor industrial communication, suitable for trackside device communication network renovation.

Comparison with Market Competitors

Comparison ItemNexisense ZLAN5143BI Server/Modbus GatewayStandard Serial Server
RS485 LoadSupports 256 slavesTypically supports 32 slaves
Power Isolation3000V IsolationNone or 1500V isolation
Interface Isolation2500V AC, ±15KV ESDLower ESD protection, some without isolation
Data ModeStorage-type Modbus accelerated accessTransparent transmission mode
Multi-TCP ConnectionsSupports 40 concurrent clientsTypically supports 4~8 connections
Environmental Adaptability-45°C ~ +85°CTypically0°C ~ 60°C

Brand and Service Assurance

As theflagship model in the Nexisenseindustrial communication product line, the Nexisense  ZLAN5143BI Server/Modbus Gateway not only boasts strong anti-interference and long-term stability in hardware but also offers professional Modbus protocolsupport, configuration tools, and remote management capabilities.

Nexisense provides a 5-yearhardware warranty, lifetime technical support, and customizable solutions, including a 12V versionand tailored protocol integration.

Summary: The Reliable Core of Industrial Communication

The Nexisense ZLAN5143BI Server/Modbus Gateway is a truly "engineer-approved, system integrator-deployed,client-satisfied" high-spec serial server and Modbus gateway product.Whether in electromagnetically complex industrialenvironments or lightning-proneoutdoor locations, the ZLAN5143BI ensures reliable transmission, high load capacity, and robust protection design, making it theideal choice for building a high-reliability communication network.


Send Inquiry(Tell us your requirements,Let's discuss more about your project,we can do more.)