Part number:1 Plug profile:Board Mount welcome to my store , Hope you have a pleasant shopping trip! Features:Modbus RTU Network Relay Module W5500 Ethernet LAN Controller equipped with mature and stable 32-bit MCU and W5500 all-hardware TCP/IP protocol stack network chip. Reserved MCU debugging interface to support secondary development. Using the standard MODBUSRTU communication protocol, it can realize the control of 1 relay output in LAN, and can be used for power control under wired network.Specifications:Power supply: DC 7-28VCommunication protocol: Modbus RUTUART Communication baud rate: 115200Device address: The value ranges 1-255. The default value is 255Work Temperature: -25~85Work Humidity: 5%~95%RHSize: 73*45mmPackage List:1 X Modbus RTU Network Relay Module W5500 Ethernet LAN ControllerNotes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the pictures.2. Please allow 1-2cm slight dimension difference due to different manual measurement. About this item Mature and stable on-board 32bit MCU STM32F103C6T6 chip. Nboard W5500 all-hardware TCP/IP protocol stack Ethernet chip, supporting 10/100M bps rate. Relay status and equipment address can be read by software/instruction. Onboard 1 channel 5V, 10A/250V AC 10A/30V DC relay, can continuously suction 100,000 times, with diode leakage protection, short response time. Onboard power supply and relay switch indicator. Onboard MCU reset button. Reserved UART serial port and SWD program write port, support secondary development. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied. Mature and stable on-board 32bit MCU STM32F103C6T6 chip. Nboard W5500 all-hardware TCP/IP protocol stack Ethernet chip, supporting 10/100M bps rate. Relay status and equipment address can be read by software/instruction. Onboard 1 channel 5V, 10A/250V AC 10A/30V DC relay, can continuously suction 100,000 times, with diode leakage protection, short response time. Onboard power supply and relay switch indicator. Onboard MCU reset button. Reserved UART serial port and SWD program write port, support secondary development. SHOP WITH CONFIDENCE: To provide you with the highest quality service, If you have any question, please feel free to contact us.We will provide after-sales service until you are satisfied.