Revision: 3.0.3
9.3.1
FUJI Protocol
The communication protocol format used by th
flowmeter protocol. The host device requests th
asynchronous communication (Primary station:
9600BPS. A single byte data format (10 bits): o
A data character string is used to express basic
command. The characteristic is that the string o
Communications commands
Command
De
DQD(cr)(lf)
注
0
Return daily instantaneou
DQH(cr)(lf)
Return hourly instantaneou
DQM(cr) (lf)
Return instantaneous flow
DQS(cr) (lf)
Return instantaneous flow
DV(cr) (lf)
Return instantaneous vel
DI+(cr) (lf)
Return positive accumula
DI-(cr) (lf)
Return negative accumul
DIN(cr) (lf)
Return net accumulative
DID(cr) (lf)
Return identification code
DL(cr) (lf)
Return signal intensity
DC(cr) (lf)
Return current error code
DT(cr) (lf)
Current date and time
LCD(cr) (lf)
Return currently displayed
ESN(cr) (lf)
Return electronic serial nu
W
Networking command pr
P
Prefix of return command
&
Function sign of command
Note:
1.
(cr)expresses carriage return. Its AS
2.
"d" expresses 0-9 number. 0 value
"d" expresses 0-9 numbers. There
3.
The status of the machine is express
characters. For example, "R" and "
4.
Eight "dddddddd" expresses the elec
machine.
5.
If there are multiple flowmeters in a da
prefix W must be added. Otherwise,
chaos in the system.
Function prefix and function sign
D116 Series Ultrason
the ultrasonic flowmeter is an expanded set of the Fuji FLV
s the flowmeter to answer by sending a "command". The ba
on: computer system; Secondary station: ultrasonic flowmete
): one start bit, one stop bit and 8 data bits. Check bit: NONE
ic commands and a carriage return (ENTER) is used to expr
g of data is flexible. Frequently used commands are as follo
Description
Data For
aneous flow
±
d.ddddddE
±
aneous flow
±
d.ddddddE
±
flow per minute
±
d.ddddddE
±
flow per second
±
d.ddddddE
±
elocity
±
d.ddddddE
±
ulative flow
±
dddddddE
±
ulative flow
±
dddddddE
±
ve flow
±
dddddddE
±
code of instrument (address code)
ddddd(cr)5 bits
UP:dd.d,DN:dd.d
code
*3
yy-mm-dd,hh:mm:
ayed content on LCD display
l number
ddddddd(cr)(lf)
and prefix of numeric string address
*5
and with check
and "add"
ASCII value is 0DH. (lf) expresses line feed. Its ASCII
ue is expressed as +0.00.
here is no decimal point in integral part before "E".
ressed by 1-6 letters. See the error code section for the m
"IH".
he electronic serial number of the machine. "t" expresses the
in a data network then the basic commands cannot be us
wise, multiple flowmeters will answer simultaneously, wh
sonic Flowmeter
Page 42 of 53
FLV series
baud rate of
meter) is generally
NONE.
express the end of a
llows:
ormat
ddE
±
dd(cr) *1
ddE
±
dd(cr)
ddE
±
dd(cr)
ddE
±
dd(cr)
ddE
±
dd(cr)
±
d(cr) *2
dE
±
d(cr)
dE
±
d(cr)
bits in length
dd.d,Q=dd(cr)
hh:mm:ss(cr)
(cr)(lf) *4
II value is 0AH.
e meaning of the
s the type of
used alone. The
, which will cause