串行通信协议为Modbus RTU协议；带ACCESS数据库存储，查询操作；具有报表打印功能-serial communication protocol to Modbus RTU protocol; With ACCESS database storage, query operation; printing with statements

监控串口的传送状态,还可以打印监视报表,以及各种校验方式.不妨试试看-monitoring serial transmission of the state, but also can print statements surveillance, and various calibration mode. May Try