ZLAN5143D Din Rail Serial RS485 to Ethernet TCP IP Module

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ZLAN5143D Din Rail Serial RS485 to Ethernet TCP IP Server Module Ethernet Converter Modbus RTU to Modbus TCP unit

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ZLAN5143D RS485  to Ethernet RJ45 Converter Modbus RTU TCP Gateway Converter baud rate multi host seiral device server



ZLAN5143D can realize the data transparent transmit between RS485 and TCP/IP, easily make serial devices connected to Ethernet and Internet, achieving the network upgrading for serial devices. Support full duplex and uninterrupted communication of RS485 port; RS485 are embedded with lightning protection; RS485 can be used at the same time without switch. Support DHCP, DNS. Support virtual serial port, the original serial PC software no need any modifying.


ZLAN5143D has the function of Modbus TCP converting to Modbus RTU, and the detailed usage please refer to <Modbus Gateway User Manual>.


1)    one serial port: RS485

2)    Industrial power supply mode: It can supply 9~24V wide range voltage.

3)    Using TCP/IP protocol stack with independent intellectual property, stable and reliable.

4)    Rich indicator, easy to debug. It has 100M-LINK light to indicate the cable connection, LINK light indicate TCP connections establishing, and serial port to TCP, TCP to serial port has single indicator lights, convenient to detect whether it is the master computer did not send data or the slave computer did not reply.



1)  Support full duplex, high speed converting, and no packet lost.

ZLAN5143D is the first type of full duplex, continuous, and low cost serial server in industry. It support simultaneously converting between Ethernet &Serial with large bulk of data with no pause, and also no data is lost.

2)  High cost performance.

ZLAN5143D is designed by concept of intensification, after ensure the stability. It highly takes the cost of networking upgrading in count

3)  Support TCP Server, TCP Client, UDP model, UDP multicast.

4)  Support baud rate 1200~115200bps, data size 5~9bits, parity of None, Odd, Even, Mark, Space. 

6)  Equipped freely with our Windows Virtual Serial & Device Management Tool ZLVirCom. It supports virtual serial and can one-key searching ZLAN5143D or modifying parameters.

7)  Provide device management library (Windows DLL library). It’s convenient for user to develop program with VC, VB, Delphi, C++ Builder. User need only use read or write function to communicate with ZLAN5143D.

8) The innovative disconnecting detecting method, whether ZLAN5143D work in TCP Server mode or TCP Client mode it can automatically reestablishing connection after network broken, to ensure the data real-time accessibility.

9)  With build-in Web server, its parameters can be modified by web browser.

10)Support DHCP, easy for IP management and solve IP confliction.

11)Support DNS. It fulfills the need of access data server through domain name.

12)Support 100 TCP connections communicate with network modules at the same time.

13)As a TCP client, can connect to 7 destination IP.

14)Flexible serial data framing setting. It fulfills all kinds of serial data frame requirement.

15)UDP mode support dynamic destination address mode. It helps for multi-user mange one serial server.

17)Support searching serial servers and modifying parameters through Internet remotely

18)Support parameter modifying protection, preventing modifying by accident. Support running with default parameters.

19)Build-in 2 KV electrical plus protection in RJ45.

20)High protection of electromagnetic interference.




2 PIN terminal for RS485


L x W x H = 8.7cm x 3.6cm x 5.9cm

Communicate interface


10M/100M, 2KV electrical plus protection



Serial parameters

Baud rate:



None, Odd, Even, Mark, Space

Data size:


Flow control:





Setting method :

Modbus TCP , ZLVirCom, WEB browser, device management library

Net communication method:

Socket, Virtual serial , device management library

Work mode

TCP server, TCP client, UDP



9~24V DC.


Running temperature:


Storage temp:





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ZLAN5143D Din Rail Serial RS485 to Ethernet TCP IP Module

ZLAN5143D Din Rail Serial RS485 to Ethernet TCP IP Server Module Ethernet Converter Modbus RTU to Modbus TCP unit

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