8-CH Modbus RTU Relay Module with RS485 Interface, Modbus RTU Protocol, 7~36V Power Supply, Multi Isolation Protection Circuits Such as Power Isolation, Magnetical Isolation, TVS Diode etc.

Industrial Modbus RTU 8-ch Relay Module with RS485 interface, configurable device address (1~255), multi devices can be cascaded on RS485 bus; 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 RS485 8-ch Relay Module onboard unibody power supply isolation, unibody magnetical isolation, resettable fuse and TVS, Optocoupler isolation, Reverse-proof circuit etc. multi isolation protection circuits Adopts dedicated relay driver chip, with built-in flyback diode protection, for stronger and more stable driving ability High quality relay, contact rating: ≤10A 250VAC/30VDC 3 LEDs for indicating the MCU status and signal transceiving status, rail-mounted ABS plastic enclosure, easy to install, safe to use