Volison ADM-5850G User Manual

Modbus gateway

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Modbus Gateway User's Manual
ADM-5850G

Functional introduction

The Modbus protocol is the most widely used protocol in the electronic industrial
equipment, and now it has become a general industrial standard. Through this protocol,
Modbus devices (such as PLC, DCS, HMI, and instruments) can communicate with each other
through a network or serial port. But the Modbus protocol used in the serial port and the
Ethernet network is different, so a gateway is needed to complete the communication
conversion between the two protocols. ADM-5850G is a modbus gateway product dedicated
to connecting Modbus TCP devices and Modbus RTU/ASCII devices.
ADM-5850G has Modbus RTU/ASCII and Modbus TCP protocol conversion functions, it
integrates Modbus TCP, Modbus RTU and Modbus ASCII protocol, and the device's serial port
can be configured by software of RS-232, RS-485 or RS-422, you can easily achieve Modbus
Ethernet devices with Modbus serial devices connected.

Product features

1, 32 bit ARM Cortex-m3 CPU
2, 1 Port 10/100M Ethernet interface
3, Support RS-232, RS-422, RS-485 serial port mode
4. Baud rate, Data bit, Stop bit, Parity bit can be set
5. Integrated ARP, IP, ICMP, IGMP, UDP, TCP, DHCP, DNS,MODBUS TCP, MODBUS RTU,
MODBUS ASCII protocol
6. Provide 4 mode of work:
RTU_ Master--TCP_ Slaver, TCP_ Master--RTU_ Slaver
ASCII_ Master--TCP_ Slaver, TCP_ Master--ASCII_ Slaver
7. Maximum support for 32 Modbus TCP master stations and 4 Modbus TCP slave stations
8. The automatic adaptive function of the time interval of the character
9, Provide ID mapping function to realize the management of host ID number
10. The local port, the target IP address, and the target port number can be set
11, Can be configured through Web Server, Telnet, MG Configuration tools
12, MG Configuration tools support
Windows98/me/NT/2000/XP/WIN7/WIN8/WIN10 operating system
13, Industrial design, can run steadily in bad environment

Product specification

Ethernet
Standard: 10/100Mbps adaptive Ethernet port
Communication mode: full duplex / half duplex adaptive
Transmission distance: less than 100 meters
Interface type: RJ-45
Serial port
RS-232 signals: TXD, RXD, RTS, CTS, GND
RS-422 signals: T+, T-, R+, R-
RS-485 signal:
Parity bit:
None\Even\Odd\space\mark
Data bits:
6bit, 7bit, 8bit
Baud rate:
300BPS to 230400bps
Direction control:
D+, D-
RS-485 uses data flow direction automatic control technology

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Summary of Contents for Volison ADM-5850G

  • Page 1 But the Modbus protocol used in the serial port and the Ethernet network is different, so a gateway is needed to complete the communication conversion between the two protocols. ADM-5850G is a modbus gateway product dedicated to connecting Modbus TCP devices and Modbus RTU/ASCII devices.
  • Page 2 Load capability: RS-485/422 terminal support maximum 32 node polling Transmission distance: RS-485/422 is 1000 meters, RS-232 is 10 meters Interface protection: 1500W surge protection, 15KV ESD protection Interface type: RS-232 terminal DB-9 male, RS-485/422 terminal Power Supply Power input: DC9~48V power supply Power consumption: 120mA @ 24V (Max) Environmental...
  • Page 3 Configuration instructions There are three configurations of ADM-5850G, which are the Telnet console, the Web server console, and the MG Configuration PC software configuration. Web server console configuration instructions 1. Open the IE browser Enter the IP address of the ADM-5850G Modbus gateway in the address bar (default: 192.168.10.245)
  • Page 4 When set to 0, it automatically adapts to wait for 3.5 characters. Interface:Serial interface type, can choose RS-232, RS-485, RS-422 three formats. 5, Modbus gateway operation mode configuration ADM-5850G Modbus Gateway provides 4 work mode: (1), TCP_ Master-RTU_ Slaver: Network end connection Modbus TCP master station, serial connects Modbus RTU...
  • Page 5 Local TCP port: The default port number of the standard Modbus TCP protocol is 502, and the user can modify it according to the actual application. Message Timeout: Message timeout time (milliseconds), Modbus is the M/S structure protocol. When master station communicates with slave station, it needs to wait for the slave station to respond.
  • Page 6 Modbus TCP slave station. When the Modbus TCP slave station returns the data, the offset is subtracted from the ID number and then sent to the serial port MODBUS master station. Technical support Email: liuchangshandx@126.com QQ: 513409265 Website:www.volison.com...

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