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

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

乙太網路
連接埠類型 : RJ-45 連接器
Number of Port : 4 LAN
Speed : 10 /100 M bps ( Auto Detecting )
協定：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
保護：內建1.5KV磁隔離

WiFi port
2.4G WiFi IEEE 802.11 b/g/n
Support AP / Station

Serial Ports
RS-232/422/485 * 2 Port ( RS-232 supports RX/TX only )
RS-422/485 ( 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
RS-232 Pins : Rx , Tx , GND
RS-422 : Rx+ , Rx- , Tx+ , Tx- ( Surge Protect )
RS-485 : Data+ , Data- ( Surge Protect )
15KV ESD for all signals

Modbus Software
Modbus TCP 轉 RTU Slave
Modbus RTU Master to TCP Slave
Modbus TCP 轉 ASCII Slave
Modbus ASCII Master to TCP Slave

Master TCP : 8 simultaneous TCP Master, 32 simultaneous Request for each TCP Master
RTC : Real Time Clock * 1
Buzzer * 1
Watch Dog Function
Power : DC 9~32 V , 1000 mA 1000mA@12V, support DC Jack & Terminal Input
LED Lamp : SYS (PWR) , LAN , RX , TX
Operating Temperature: -20℃~70℃
Storage Temperature : -25℃~80℃
Dimension : 180 x 110 x 30 mm ( W x D x H estimated )
Weight : 350 g ( Estimated )
RoHS : Compliant with RoHS
Regulatory Approvals : EMC : FCC Class A, CE Class A
Warranty : 1 year

Modbus MQTT 型號比較