30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication

Waveshare 27928 - 30-Ch Ethernet Relay Module, Modbus RTU/Modbus TCP Protocol, PoE Port Communication, With Various Isolation And Protection Circuits, Industrial Grade Rail-Mount Case Features This product is an industrial 30-ch relay module controlled via Ethernet port, adopts Modbus RTU/Modbus TCP protocols, supports PoE power supply, also comes with an ABS rail-mount case. The Modbus POE ETH Relay 30CH is very easy to use. Due to its fast communication, stability, reliability, and safety, it is an ideal choice for industrial control equipments and/or applications with high communication requirements. Features flash-on, flash-off function, by passing argument to the command, it is possible to turn on the relay for a while and then close it automatically Supports DC 7~36V wide range power input and PoE power supply Supports relay control through MQTT protocol, comes with Alibaba Cloud MQTT application demo Onboard Optocoupler isolation, prevent the relay from being interfered by high-voltage circuit Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability Reverse-proof circuit, prevent the circuit from being damaged accidentally by incorrect connection High quality relay, contact rating: ≤10A 250VAC/30VDC Rail-mounted ABS plastic enclosure, easy to install, safe to use 4 LEDs and Network indicators for indicating the MCU status and signal transceiving status Primary function Supports Sending Modbus RTU/TCP Protocol Commands Via Ethernet Port To Control Relay And Various Devices. Multi Configuration Methods Supports software and Web Browser Configuration, Obtaining Dynamic IP Via DHCP, connecting to domain name server via DNS protocol Multi Power Supply Options, Wide Range Power Input DC Power port: directly uses a power plug for power supply; Screw terminal: DC 7~36V wide range power input; PoE port: IEEE 802.3af PoE compliant Interfaces & Indicators With Multiple LED Indicators, Easy To Monitor The Operating Status RUN Ethernet port indicator, blinking when Ethernet port normally working STA MCU indicator, blinking when the MCU normally working TXD TX indicator, lights up when sending data RXD RX indicator, lights up when receiving data Ethernet port Green Indicator Lights up when the connection is established Ethernet Port Yellow Indicator Data activity indicator, blinking when transmitting data   Relay connection Contact rating of the onboard relay up to 10A 250VAC/30VDCDirectly controlling 220VAC home appliances, or devices below 30VDC dimensions WIKI: www.waveshare.com/wiki/Modbus_POE_ETH_Relay_30CH