数据传输和接口标准技术规范212协议Fix

污染源在线自动监控系统数据传输和接口标准技术规范FIX超时重发机制请求回应的超时，在一个请求命令发出后在规定的时间内未收到回应，认为超时。超时后重发，重发规定次数后仍未收到回应认为通讯不可用，通讯结束。超时时间根据具体的通讯方式和任务性质可自定义。超时重发次数根据具体的通讯方式和任务性质可自定义。执行超时请求方在收到请求回应（或一个分包）后规定时间内未收到返回数据或命令执行结果，认为超时，命令执行失败，结束。缺省超时定义表（可扩充）通讯类型缺省超时定义（秒）重发次数GPRS103PSTN53CDMA103ADSL53短信303通讯协议数据结构所有的通讯包都是由ACSII码字符组成CRC校验码除外。通讯包结构组成名称类型长度描述包头字符2固定为数据段长度十进制整数4数据段的ASCII字符数例如长255，则写为“0255”数据段（见733）字符0（回车、换行）数据段结构组成名称类型长度描述请求编号QN字符20精确到毫秒的时间戳QNYYYYMMDDHHMMSSZZZ，用来唯一标识一个命令请求，用于请求命令或通知命令总包号PNUM字符4PNUM指示本次通讯总共包含的包数包号PNO字符4PNO指示当前数据包的包号系统编号ST字符5ST系统编号,系统编号见75中系统编码表命令编号CN字符7CN命令编号,命令编号见75中命令列表访问密码字符6PW访问密码设备唯一标识MN字符14MN监测点编号,这个编号下端设备需固化到相应存储器中，用作身份识别。编码规则前7位是设备制造商组织机构代码的后7位，后7位是设备制造商的此类设备的唯一编码）是否拆分包及应答标志FLAG字符3目前只用两个BIT；000000DAA数据是否应答；BIT1应答，0不应答D是否有数据序号；BIT1数据包中包含包序号和总包号两部分,0数据包中不包含包序号和总包号两部分。如FLAG3表示拆分包并且需要应答指令参数CP字符0N960CPST32CN1072PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN1011PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN1011PW123456MN88888880000001CPSYSTEMTIME20040516010102CN9012PW123456MN88888880000001CPEXERTN1ST32CN1012PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN2011PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN2011PW123456MN88888880000001CP101RTD11102RTD22ST32CN2012PW123456MN88888880000001CPCN9013PW123456MN88888880000001CPST32CN2021PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN2021PW123456MN88888880000001CPSB1RS1SB2RS0ST32CN2022PW123456MN88888880000001CPCN9013PW123456MN88888880000001CPST32CN2051PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN2051PW123456MN88888880000001CP101MIN11,101AVG11,101MAX11102MIN21,102AVG21,102MAX21CN9012PW123456MN88888880000001CPEXERTN1ST32CN2051PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG1CPQNRTN1CN2051QN20040516010101001PW123456MN88888880000001CP101MIN11,101AVG11,101MAX11102MIN21,102AVG21,102MAX21CN9014CPCN2051CN9012PW123456MN88888880000001CPEXERTN1CN9014CPCN9012ST32CN2051PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG3CPQNRTN1CN2051QN20040516010101001PW123456MN88888880000001PNO1PNUM1CP101MIN11,101AVG11,101MAX11102MIN21,102AVG21,102MAX21CN9014CPCN2051PNO1PNUM1CN9012PW123456MN88888880000001CPEXERTN1CN9014CPCN9012ST32CN2031PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN2031PW123456MN88888880000001CP101MIN11,101AVG11,101MAX11102MIN21,102AVG21,102MAX21CN9012PW123456MN88888880000001CPEXERTN1ST32CN2041PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN2041PW123456MN88888880000001CPSB1RT11SB2RT21CN9012PW123456MN88888880000001CPEXERTN1ST32CN2071PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN2071PW123456MN88888880000001CP101ALA11CN9012PW123456MN88888880000001CPEXERTN1ST32CN2072MN1234CP101ALA11,ALARMTYPE1CN9013CPST32CN1022PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN1021PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN1021PW123456MN88888880000001CPPOLID101,LOWVALUE11,UPVALUE99CN9012PW123456MN88888880000001CPEXERTN1ST32CN1032PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN1031PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN1031PW123456MN88888880000001CPALARMTARGET3882566CN9012PW123456MN88888880000001CPEXERTN1ST32CN1042PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN1041PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN1041PW123456MN88888880000001CPREPORTTIME0101CN9012PW123456MN88888880000001CPEXERTN1ST32CN3011PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN1062PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN9012PW123456MN88888880000001CPEXERTN1ST32CN1061PW123456MN88888880000001FLAG3CPCN9011PW123456MN88888880000001FLAG0CPQNRTN1CN10