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MF4700UserManual
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Totalizer1 0x0004~0x0005
Write Y
Read Y
Description
Totalizeroraccumulatedflowrate
Wheninstantflowrateunitissccm,accumulatedflowrateunitisscc;
WheninstantflowrateunitisSLPM,accumulatedflowrateunitisSL;
Valuetype UINT32
Notes
Totalizer=value(0x0004)*65536+value(ox0005)
e.g.:foratotalizeroraccumulatedflowrateof123,456SL,theuserwillread
“1(0x0001)”fromregister0x0004;“57920(0Xe240)”fromregister0x0005.
Then,thetotalizeroraccumulatedflowrate
=1*65536+57920=123,456.
Totalizer2 0x0004~0x0006
Write Y
Read Y
Description
Totalizeroraccumulatedflowrate
Wheninstantflowrateunitissccm,accumulatedflowrateunitisSL;
WheninstantflowrateunitisSLPM,accumulatedflowrateunitisNm
3
;
Valuetype UINT32+UNIT16
Notes
A1=value(0x0004)*65536+value(0x0005)
A2=value(0x0006)
Totalizeroraccumulatedflowrate=(A1*1000+A2)/1000
e.g.:foratotalizeroraccumulatedflowrateof3452.245m
3
,theuserwillread
“0(0x0000)”fromregister0x0004;“3452(0x0D7C)”fromregister0x0005,and
“245(0x00F5)”fromregister0x0006.
Then,thetotalizeroraccumulatedflowrate
=((0+3452)*1000+245)/1000=3452.245.
Baudrate 0x0015
Write Y
Read Y
Description Communicationbaudrate
Valuetype UINT16
Notes
Value=0:4800;1:9600;2:19200;3:38400.
Thedefaultvalueis3.
Gasconversionfactor 0x0016
Write Y
Read Y
Description Gasconversionfactor
Valuetype UINT16
Notes
Thevalueis1000timesthecalculatedvalue.Thevalueisusedtochangethe
referenceconditions,adjustthesystemdeviation,andcalibrationsfor
differentgases.
Itisrecommendedthatwriteprotectionshouldbeappliedafterthisvalue
ischanged.
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