Atac PM822 Manuel utilisateur
1
Ethernet + WiFi Modbus Gateway
User’s Manual
Edition: 201808v1.0
2
Table of Contents
Introduction------------------------------------------------------------------------------------------------------------------------3
Overview----------------------------------------------------------------------------------------------------------------------------4
Package Check List-------------------------------------------------------------------------------------------------------------5
Product Specifications---------------------------------------------------------------------------------------------------------6
Product Views---------------------------------------------------------------------------------------------------------------------7
Antenna Side-------------------------------------------------------------------------------------------------------------------7
Serial Interface Side ---------------------------------------------------------------------------------------------------------7
Outlined Components-------------------------------------------------------------------------------------------------------8
LED Indicators-----------------------------------------------------------------------------------------------------------------8
Wiring Architecture ----------------------------------------------------------------------------------------------------------9
Configuration-------------------------------------------------------------------------------------------------------------------- 10
IP Search Utility Setup-----------------------------------------------------------------------------------------------------11
Configuration sections --------------------------------------------------------------------------------------------------- 13
1. System Setup ------------------------------------------------------------------------------------------------------- 13
2. Network setup ------------------------------------------------------------------------------------------------------ 15
3. Serial port settings------------------------------------------------------------------------------------------------ 19
4. Serial port over TCP/IP ------------------------------------------------------------------------------------------ 20
5. Reset Button -------------------------------------------------------------------------------------------------------- 21
3
Introduction
This Ethernet+WiFi Modbus gateway (hereunder called as “This Modbus gateway”)
provides the ways of connecting serial devices to both Ethernet and Wireless LAN (Wi-Fi
802.11 b/g/n ). It is designed to operate serial ports through Ethernet (10/100Mbps) and
wireless (Wi-Fi 802.11 b/g/n) over TCP/IP network. As the data is transmitted via TCP/IP
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.
The following topics are covered in this manual:
Overview
Package Checklist
Product Specifications
Product Views
Configuration
4
Overview
This Modbus gateway provides a perfect solution to make your industrial Serial devices
connect to Internet instantly via Wireless and Ethernet LAN. This device embedded
with MT7688AN MIPS chipset makes it become the ideal device for transmitting the
data from your RS-232 or RS-422/485 Serial interface devices, such as PLCs, Meters
or Sensors to an IP-based Ethernet and Wi-Fi host, and making it possible for your
software to access Serial interface devices anywhere and anytime.
This Modbus gateway provides TCP Server Mode, TCP Client Mode, and UDP Mode for
selection. It also supports manual configuration via web browser and support various
protocols including HTTP, DHCP, ICMP, and ARP. These are the best solution to
coordinate your Serial interface devices.
5
Package Check List
1 unit of Ethernet+WiFi Modbus gateway
1 unit of power supply 12VDC/1A (optional)
1 unit of dipole antenna (2.0dBi)
CD containing documentation & utility
NOTE: Inform your sales representative if any of the above items missing or damaged.
6
Product Specifications
CPU : MT7688AN MIPS CPU , 580 MHz
RAM : 128M Bytes DDR2 RAM
ROM : 32M Bytes Flash ROM
OS : Open Wrt Linux OS
Ethernet x 1
Port Type : RJ-45 Connector
Speed : 10 /100 M bps ( Auto Detecting )
Protocol : ARP , IP , ICMP , UDP , TCP , HTTP , DHCP
Protocol ：PPPoE , DDNS , NTP , FTP , Telnet
Mode : TCP Server / TCP Client / UDP
Setup : HTTP Browser Setup (IE & Netscape) , Console
Security : Setup Password
Protection : Built-in 1.5KV Magnetic Isolation
WiFi port x 1
2.4G WiFi IEEE 802.11 b/g/n
Support AP / Station
Serial Ports x 2
Port 1 : 1 x RS232 ( RS232 RX/TX only )
Port 2 : 1 x RS422/485 ( Surge Protect )
Speed : 300 bps ~ 230.4 K bps
Parity : None , Odd , Even , Mark , Space
Data Bit : 5 , 6 , 7 , 8
Stop Bit : 1 , 2
RS232 Pins : Rx , Tx , GND
RS422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect )
RS485 : Data+ , Data- ( Surge Protect )
15KV ESD for all signals
Software : Modbus TCP TO RTU Slave, Modbus RTU Master TO TCP Slave , Modbus TCP TO ASCII
Slave,Modbus ASCII Master TO TCP Slave
Utility : Built-in Web server Setup, Easy Operation
Master TCP : 8 simultaneous TCP Master, 32 simultaneous Request for each TCP Master
Watch Dog Function
Power : DC 9~32 V , 1000 mA 1000mA@12V, support DC Jack & Terminal Input
PoE : Power over Ethernet 802.3 af (option )
Led Lamp : SYS (PWR) , LAN , RX , TX
Operating Temperature : -20℃〜70℃
Storage Temperature : -25℃〜80℃
Dimensions : 180 x 110 x 30 mm ( W x D x H )
Weight : 350 g
RoHS : Compliant with RoHS
Regulatory Approvals : EMC : FCC Class A, CE Class A
Warranty : 1 year
7
Product Views
Antenna Side
Serial Interface Side
DC-IN Power Outlet
(DC Jack)
Antenna
DC-IN Power Outlet
(Terminal Block)
Reset Button
(beneath the
antenna)
RS-422/485
RS-232
Ethernet LAN port
8
Outlined Components
Antenna Connector
The connector for antenna is a standard reverse SMAjack. Simply connect it to a 2.0dBi dipole
antenna (Standard Rubber Duck). It is 50 Ohms impedance and can support 2.4GHz frequency.
Ethernet Port
The connector for network is the usual RJ45. Simply connect it to your network switch or Hub. When
the connection is made, the green color LED of Ethernet port will blink. When data traffic (Rx/Tx)
occurs on the network, yellow color LED will blink during data transferring.
DC-IN Power Outlet
The Device is powered by a 12V DC (Inner positive, outer negative) , 1.0A power supply. Plugging
the power adaptor to the AC power socket and put the DC Jack plug into the outlet of the Device.
The “SYS” green color LED will be ON when power is properly supplied. Terminal Block 2 wires
power supply is an option.
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.
Serial Port of RS-232/RS-422/RS-485
Connect the Serial data cable between the device and the Serial interface device. Follow the
procedure of web page configuration to set up parameters.
LED Indicators
SYS (Green):
Power indicator. When the power is on, the LED will be on and blink per second.
WiFi (Red):
WiFi indicator. When the WiFi is working, this LED will be blinking.
Tx (Green):
Data sending indicator. When data sending to the device from LAN or WiFi, this LED will blink.
Rx (Red):
Data received indicator. When data sending to the device from Serial ports, this LED will blink.
9
Wiring Architecture
1. RS-232
2. RS-422/RS-485
When you finish the steps mentioned above and the LED indicators are as shown, the
Modbus gateway is installed correctly. You can check the Software Setup CD to find
IP Search Utility. To proceed with the parameters setup, please use a web browser
(IE or Chrome) to continue the detailed settings.
10
Configuration
When setting up your converter for the first time, the first thing you should do is to
configure the IP address.
The following topics are covered in this chapter:
IP Search Utility Setup
Configuration through Web
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