Relay Network Controller 8 Ports RS485 Ethernet Data Collector IOT Configuration 5-40V DC OTA Upgrade for Gricultural Monitoring                Feature:   1. Indicator Light: The 8 way switch input and output status are displayed by independent indicator lights, which can immediately know the input and output status of the switch.     2. Transmission: Support RS485 transmission, adopts modus protocol to control 8 Dl, 8 Al and 8 DOUs interfaces, and supports STA, AP, AP and STA mode.     3. Support: Support 10/100M Ethernet adaptation, support HF6208 HF6508, web page, IOT Service PC software easy configuration, compliance with for MODBUS TCP and for MODBUS RTU protocol.     4. Applications: Used in building control systems for corridor lighting, voice activated switches, webcams, lighting, sensors, and can also be used for agricultural IOT environmental monitoring.     5. P2P Function: Remote relay control, switch acquisition, and analog, volume acquisition can be realized anywhere through PC or mobile phone P2P software.             Specification:               Item Type: Relay Network Controller       MaterIal: Cold rolled steel       Web OTA Wireless Upgrade: Support (HF6208 or HF6508)  Web PC Software IOT Service Configuration: Support (HF6208 or HF6508)  DI Input Voltage Range: 3-30V  Al Input Voltage Range: 0-5V  Input Current Range: 0 to 25mA   Supply Voltage: 5-40V DC       Upper Layer Protocol: for MODBUS TCP and for MODBUS RTU       Low Level Communication: Ethernet, RS485       Response Time: HF6508: