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Accumulated flow
rate
0x003C ~ 0x003E
Write
N
Read
Y
Description
Accumulated or totalized flow rate
Value type
UINT 32 + UNIT 16
Notes
Accumulated flow rate
= Value (0x003C) * 65536 + Value (0x003D) + Value (0x003E)/1000
e.g.:
For an accumulated flow rate of 3452.245 m
3
, the user will read “0
(0x0000)
” from register 0x003C; “3452
(0x0D7C)
” from register 0x003D, and
“245
(0x00F5)
” from register 0x003E.
Then, the accumulated flow rate = 0 + 3425 + 245/1000=3425.245.
Baud rate
0x0082
Write
Y
Read
Y
Description
Communication baud rate with a PC
Value type
UINT 16
Notes
0 - 4800; 1 - 9600; 2 - 19200; 3 - 38400; 4 - 57600; 5 - 115200.
The default value is 1, the baud rate is 9600.
e.g.:
W
hen the user reads “2
(0x0002)
” from register 0x0082, the baud rate is
19200.
GCF
0x008B
Write
Y
Read
Y
Description
The gas conversion factor for a gas that is different from the calibration gas.
Value type
UINT 16
Notes
The air (default) is 1000, normally read from register 0x008B.
The product will disable this function with write protection once the
metering gas is confirmed with the proper GCF.
For a specific GCF value, please contact the manufacturer.
Notes: please disable the write protection before executing this function.
Response time
0x008D
Write
Y
Read
Y
Description
Set response time
Value type
UINT 16
Notes
125, 250, 500, 1000, 2000, or 5000, unit is msec.
The default value is 125 msec.
e.g.:
When the user
reads “2000” from register 0x008
D, the response time is
2000 msec (2 sec).
Notes: please disable the write protection before executing this function.
Units
0x0090
Write
Y
Read
Y
Description
Set the instant flow rate unit, and accumulated or totalized flow rate unit
Value type
UINT 16
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MF5000 User Manual