MaxLong MG8322 User manual
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
2
Table of Contents
1. Introduction-------------------------------------------------------------------Page3
1.1Product View--------------------------------------------------------------Page4
1.2 Wiring Architecture-------------------------------------------------------Page5
2. Configuration-----------------------------------------------------------------Page6
2.1Configuration via Web----------------------------------------------------Page6
2.2 Configuration Sections------------------ --------------------------------Page6
2.2.1 System Setup------ --------------------------------------------------Page6
2.2.2 Network Setup-------------------------------------------------------Page6
2.2.3 Serial Port Setup-----------------------------------------------------Page7
2.2.4. Modbus Setup---------------------------------------------------------Page7
2.2.5 Reset Button-------------------------------------------------------------Page8
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
3
1.Introduction
This MG8322 Modbus gateway provides the ways of connecting
serial devices to Ethernet. It is designed to operate serial ports through
Ethernet (10/100Mbps) over TCP/IP network. As the data is transmitted
via Modbus protocol, therefore data acquisition and controlling is
available to go through Intranet and Internet. There are two serial ports as
one is a RS-232 and other one is RS-422/485. Configuration is easy to
operate via web page setup.
This Modbus gateway is a high performance design composed with
carefully selecting qualified components from reliable and certified
sources. This operation manual will guide you to configure functions step
by step.
This Modbus gateway provides RTU to TCP Slave, ASCII to TCP
Slave ,TCP to RTU Slave , TCP to ASCII Slave Mode, and it also
supports manual configuration via web browser.
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
4
1.1 Product Views
Figure 1 Product View
DC-IN Power Outlet
(Terminal Block)
DC-IN Power Outlet
(DC Jack)
Ethernet LAN Port
Reset Button
RS232
RS485
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
5
1.2 Wiring Architecture
Figure 2 Wiring Architecture
2. Configuration
2.1Configuration Via Web
Step1➔The first thing is to configure the Host PC’s IP address
IP :192.168.0.xx
Step2➔Open a web page of configuration http://192.168.0.100
Step3➔Default User name: “admin” and Password: “Leave it Blank”
Step4➔And now you have successfully connected to this Modbus
gateway
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
6
2.2 Configuration Sections
2.2.1 System Setup
System Status: Display current status and time of the system
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
7
2.2.2 Network Setup
1. Network Link Mode : default value is “Auto”
2. IP Address : default value is “192.168.0.100”
3. Subnet Mask : default value is “255.255.255.0”
4. Gateway : default value is ”blank”
5. Device Name : default value is “Serial_TCPIP”
6. DHCP Client : Network configuration information automatically
acquired，default value is “Disable”
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
8
2.2.3 Serial Port Setup
1. Gateway Type: RTU Slave to TCP Master, and etc. 4 modes are seletable
2. Message Timeouts : default value is 500ms
3. Gateway Type: default value is RTU Slave to TCP Master and ASCII Slave
to TCP Master, Configuration interface is as shown above:
Serial Device for RTU or ASCII：RTU or ASCII Asynchronous serial device
settings
a. Device : Asynchronous serial device type currently supports RS232,
RS485, RS422
b. Baud Rate: 960，19200 bps, and etc.
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
9
c. Parity : None, Odd, Even
d. Data Bits: 8, 7, 6, and etc.
e. Stop Bits : The end of the signal bits of bytes
4. Gateway Type is TCP Slave to RTU Master and TCP Slave to ASCII
Master,
2.2.4 Modbus Setup
Configuration interface is as shown below:
Serial Device for RTU or ASCII：RTU or ASCII Asynchronous serial device settings
a. Device : Asynchronous serial device type currently supports RS232, RS485, RS422
b. Baud Rate: 960，19200 bps, and etc.
c. Parity : None, Odd, Even
d. Data Bits: 8, 7, 6
e. Stop Bits: The end of the signal bits of bytes
TCP Slave: Port can be specified, if not specified will use the default value
SEW832 Modbus Gateway User’s Manual
Version 1.1
This document is proprietary to MaxLong Corporation. Use or disclosure of the document, or the information
contained therein, for any purposes other than MaxLong purposes is NOT permitted without prior written
authorization by MaxLong
10
502.
2.2.5 Reset Button
If any chance you forgot the login password or have incorrect settings
making this Device inoperable, upon the power is on and the “SYS” LED
light on, use a point tip to press this button and hold it for more than 20
seconds the release the point tip. The Device will reboot and all the
parameters will be reset to the factory default.
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