Model 6308CT(C) RS485 PROTOCOL.doc

下载文档 降价啦

2
0
约7.27万字
约 7页
2017-02-16 发布于河南
举报
版权申诉
保障服务

Model 6308CT(C) RS485 PROTOCOL.doc

1、本文档共7页，可阅读全部内容。
2、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。
3、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。

Model 6308 CT(Chinese) RS485 PROTOCOL (for firmware version 1.00+) VersionBAUD : 9600 START : 1 DATA : 8 STOP : 1 PARITY : NONE Main Protocol Model 6308 CTIBM PC Model 6308 CT IBM PC ? ADDRESS ACKNOWLEDGE COMMAND DATA[0] . . . DATA[n] ADDRESS = 1 byte, 0-127 must add 128 to indicate as address ACKNOWLEDGE = 1 byte, must be equal to 6 COMMAND = 1 byte, valid commands = (0,3,4,5,6,11,12,13,14,15,16,17,20) DATA[0]-DATA[n]= depends on PARAMETER n = number of bytes II. DATA[0] – DATA[n] FORMAT IF COMMAND = 0 then DATA[0]..DATA[37] (page 0) FUNCTION : to get display data during normal operation. DATA[0] – DATA[5] = CONDUCTIVITY, ASCII FORMAT Possible readings: ‘+000.0’–’+999.9’,’+00.00’-’99.99’, ‘+0.000’-‘+9.999’,’OVER ‘,’+ LERR‘,’- LERR’,’+ TERR‘, ’- TERR’ “+ TERR” = Temperature OVER “- TERR” = Temperature UNDER “+ LERR” = Temp is higher than ccond. Temp limit “- LERR” = Temp is lower than ccond. Temp limit DATA[6] – DATA[11] = Temperature Value, ASCII Format Possible readings: ‘-010.0’ - ’+120.0’,’UNDER ‘,’OVER ‘ DATA[12] – DATA[17] = Analog Out (mA), ASCII Format Possible readings: ‘+03.00’ - ‘+22.00’, ‘OFF ‘ , ‘FROZEN’ ‘ERROR ’ ‘OFF ‘ = Analog system is OFF. ‘FROZEN’ = Analog output is frozen. ‘ERROR ’ = The difference between 4mA 20mA setting is less than or equal to 0.10 pH. DATA[18] – DATA[23] = TDS READING ASCII Format Possible readings: ‘+000.0’–’+999.9’,’+00.00’-’99.99’, ‘+0.000’-‘+9.999’,’OVER ‘,’+ LERR‘,’- LERR’,’+ TERR‘, ‘- TERR’ “+ TERR” = Temperature OVER “- TERR” = Temperature UNDER “+ LERR” = Temp is higher than ccond. Temp limit “- LERR” = Temp is lower than ccond. Temp limit DATA[24] – DATA[29] = Cell Constant, ASCII Format Possible readings: ‘0.0000’-‘9.9999’,’10.000’-’99.999’ DATA[30] – DATA[35] = Temperature Coefficient, ASCII Possible readings:’+00.00’-‘+04.99’ DATA[36] = 1 byte, FLAGS, binary coded Bi