读取问题

[moyu00000]

循环读取，每隔50ms读取一次，会报com.serotonin.modbus4j.sero.messaging.WaitingRoomException: No recipient was found waiting for response for key com.serotonin.modbus4j.serial.SerialWaitingRoomKeyFactory$Sync 和 java.io.IOException: Bad file descriptor