PM822 – Ethernet+WiFi Modbus TCP to 2 Serial Ports Modbus RTU/ASCII

1 x RS232 + 1 x RS485/RS422
Ethernet + WiFi
TCP to RTU/ASCII
RTU/ASCII to TCP

Application DiagramConfigurationSpecificationsOrdering InformationInquiryDownload

Scada sends Modbus TCP commands over Ethernet / WiFi to get Modbus RTU data

Send Modbus TCP commands over Ethernet / WiFi to get Modbus RTU data

Simple and Straight Configuration via web Browser

Configure System

Configure Network
Wireless and wired Ethernet

Configure Wireless Infrastructure

Configure Serial Parameters

Configure Modbus Parameters
TCP to RTU/ASCII Slave

RTU/ASCII to TCP Slave

CPU : MT7688AN MIPS CPU , 580 MHz
RAM : 128M Bytes DDR2 RAM
ROM : 32M Bytes Flash ROM
OS : OpenWRT 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

Model Ethernet WiFi Description
PM822 Yes Yes Ethernet+WiFi Modbus TCP to 2 Serial Ports Modbus RTU/ASCII
PM822E Yes No Ethernet Modbus TCP to 2 Serial Ports Modbus RTU/ASCII

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    PM822 / PM830 / PM830L / PM824

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    Downloads

    File Description File size
    zip CvIotFinder Setup 1.0.9 IP search utility CvIotFinder
    26 MB
    zip Virtual COM Utility - VSerPort 2.8.1 Virtual COM (VirtualSerialPort Console) with Quick Guide
    2 MB
    pdf PM822_User_Manual_201808a_EN PM822 Ethernet+WiFi Modbus TCP to 2 Serial ports Modbus RTU/ASCII User's Manual
    1 MB
    pdf PM824 User's Manual PM824 User's Manual - Ethernet+WiFi Modbus TCP to 4 Serial ports RTU/ASCII with Isolation
    1,014 KB
    pdf PM822 PM830 example polling data from RTU sensor connected on RS485 PM822 PM830 example polling data from RTU sensor connected on RS485
    574 KB
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