Waveshare® Modbus RTU 8-way Relay Module RS485 Interface with Multiple Isolation Protection Circuits Industrial Grade

Documents Manual Click here to openResources Click here to openDemo codes Click here to openSoftwares Click here to openOverview This is an industrial 8 ch relay module controlled via RS485 bus utilizing Modbus RTU protocol It features embedded protection circuits such as power isolation ADI magnetical isolation and TVS diode etc It also comes with an ABS enclosure The Modbus RTU Relay 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 requirement Features Configurable device address 1 255 multi devices can be cascaded on RS485 busFeatures 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 automaticallyOnboard unibody power supply isolation provides stable isolated voltage needs no extra power supply for the isolated terminalOnboard unibody ADI magnetical isolation allows signal isolation high reliability strong anti interference low power consumptionOnboard TVS Transient Voltage Suppressor effectively suppress surge voltage and transient spike voltage in the circuit anti electrostaticOnboard Optocoupler isolation prevent the relay from being interfered by high voltage circuitReverse proof circuit prevent the circuit from being damaged accidentally by incorrect connectionHigh quality relay contact rating ≤10A 250VAC 30VDCRail mounted AB