2 in 1 RS485 RS232 5V 8ch TTL232 UART Modbus Rtu controllo per interruttore PLC relè AT
Under the MODBUS command ,the maximum delay is 255 seconds. 7 Under the MODBUS command mode, it can support up to 247 devices in parallel. M0 Connect is AT command mode. Under the MODBUS command mode,the slave ID must be correct.