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