DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input 12 Relay Output Modbus RTU Relay Module
USD 29.20USD 41.71
DC 12V 24V 12DI 12DO RS485 IO Board Modbus RTU Relay Optically Isolated NPN Input 12 Relay Output Modbus RTU Relay Module