MF5700
User
Manual
26
|
P a g e
Functions
Description
Register
Modbus
reference
Address
Product
address
(R/W)
0x0081
40130
(0x0081)
Serial
number
Serial
number
of
the
product
0x0030
40049
(0x0030)
Flow
rate
Current
flow
rate
(R)
0x003A~0x003B
40059
(0x003A)
Accumulated
flow
Accumulated
or
totalized
flow
rate
(R)
0x003C~0x003E
40061
(0x003C)
Baud
rate
Communication
(R/W)
0x0082
40131
(0x0082)
GCF
Gas
correction
factor
(R/W)
0x008B
40140
(0x008B)
Response
time
Set
the
response
time
(R/W)
0x008D
40142
(0x008D)
Totalizer
alarm
Accumulated/totalized
flow
rate
alarm
(R/W)
0x0096~0x0097
40151
(0x0096)
Upper
flow
alarm
Upper
flow
rate
limit
alarm
(R/W)
0x0098~0x0099
40153
(ox0098)
Lower
flow
alarm
Lower
flow
rate
limit
alarm
(R/W)
0x009A~0x009B
40155
(ox009A)
Password
Password
change
(R/W)
0x00AE~oxooAF
40175
(0x00AE)
Offset
calibration
Offset
reset
or
calibration
(W)
0x00F0
40241
(0x00F0)
Reset
totalizer
Reset
accumulated
or
totalized
flow
rate
(W)
0x00F2
40243
(0x00F2)
Write
protection
Write
protection
of
selected
parameters
(W)
0x00FF
40256
(0x00FF)
The
detailed
information
of
each
register
is
described
below:
Y:
enabled;
N:
disabled
Flowmeter
address
0x0081
Write
Y
Read
Y
Description
Address
of
the
product
Value
type
UINT
16
Notes
Values
from
1
to
255
except
for
157
(0x9d).
0
is
the
broadcast
address.
SN,
Serial
number
0x0030
Write
N
Read
Y
Description
Series
Number
of
the
product,
SN
Value
type
UINT8
(12
bits)
Notes
SN=
value(0x0007),
value(0x0008),….,value
(0x000C);
Receiving
12
bits
as:
2A
47
37
41
45
49
30
32
30
35
38
2A
,
the
corresponding
Serial
Number
is
*G7AEI02058*
.
Current
flow
rate
0x003A
~
0x003B
Write
N
Read
Y
Description
Current
flow
rate
Value
type
UINT
16
Notes
Flow
rate
=
[Value
(0x003A)*65536
+
value
(ox003B)]/1000
e.g.:
for
a
flow
rate
of
20.340
SLPM,
the
user
will
read
“0”
from
register
0x003A
and
“20340”
from
register
0x003B,
therefore
Current
flow
rate
=
(0*65536+20340)/1000
=
20.340
Accumulated
flow
rate
0x003C
~
0x003E
Write
N
Read
Y
Description
Accumulated
or
totalized
flow
rate
