Advertisement
TUF-2000F User Manual
(2) Reading the recorded meter data (command 49)
Format：2Ah XXh 49h
Answer: 26h XXh 49h LL（BCD 码） ZZh
The difference between the command 4A and command 49 is that the late command
reads out the data which are recorded in the meter by the time which is defined by
command 4C.
(3) Change the address of the meter (command 4B)
Format： 2Ah XXh 4Bh YYh
Answer: 26h XXh 4Bh YYh
If XXh=YYh, this command can be used to do a loop test the net work, or to scan and
find the existed meters in the network. Please pay attention to that the network may
lose meters if this command is used in a noisy network.
(4) Change or assign a time for meter data recording (command 4C)
Format: 2Ah XXh 4Ch DDh HHh
Answer: 26h XXh 4Ch DDh HHh MMh ZZh
DDh stands for the day, HHh for hour, MM for minute，data are in BCD code.
DD is the day of this month, for example: 2Ah 86h 4Ch 12h 15h stands for assigning a
recording time for the number 86 meter 86. the meter will record the flow rate, total
net flow, the working timer and the error code when time is 15:00 the 12
month. The recorded date will be read out by command 49.
If DD＝0, it stands that the data recording will take place by 15:00 for every day.
(5) Standard date and time broadcasting （command 4D）
Format: 2Ah AAh 4Dh ssmmhhDDMMYY
Answer: no answer
In above, ssmmhhDDMMYY is the date and time in BCD format.
Diagnostic code: 00h stands that the system is working normally.
02h stands for the pipe may be empty or meter works improperly.
36
th
of this
Advertisement
