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DN20 Ultrasonic flowmeter is used for heating system testing RS485 communicating junctions

Product Details

Product Details

Product Description

Product Description
TUF-2000 has an isolated serial port, the RS485.
TUF-2000 can support more than 4 different communication protocols by the same time; include MODBUS-ASCII, ASCII-RTU, Meter-BUS, the Fuji Extended Protocol and more than 10 compatible communication protocols used by Huizhongs flow meters.
MODBUS is a very commonly used industrial protocol. Both the RTU and the ASCII format of MODBUS is supported
The Fuji Extended Protocol is developed based on the protocol used in a Japanese ultrasonic flow meter. It is totally compatible with that of Version 7 flow meter.
TUF-2000 can be used as a sample RTU terminal. The 4-20mA output in the TUF-2000 can be used to open an analog proportional valve; The OCT output can be used to control the turn-on and turn-off of other devices such as a pump. The analog input can be used to input pressure or temperatures signals.
There is a programmable device address (or ID number) located at window M46. When TUF-2000 is used in a network, all the parameters of the flow meter can be programmed through the network, except the device address that needs the keypad.
At most occasions, data should be obtained by polling the flow mete with a command, the flow meter will respond with what the master asks.
TUF-2000 can also set to automatically output data at a period which is programmable.
The TUF-2000 also has a special command sets to facilitate the use of the flow meter in a GSM network.
REGISTER
NUMBER
VARIABLE NAME
FORMAT
NOTE
0001-0002
2
Flow Rate
REAL4
Unit: m3/h
0003-0004
2
Energy Flow Rate
REAL4
Unit: GJ/h
0005-0006
2
Velocity
REAL4
Unit: m/s
0007-0008
2
Fluid sound speed
REAL4
Unit: m/s
0009-0010
2
Positive accumulator
LONG
Unit is selected by M31, and depends on totalizer multiplier
0011-0012
2
Positive decimal fraction
REAL4
Same unit as the integer part
0013-0014
2
Negative accumulator
LONG
Long is a signed 4-byte integer, lower byte first
0015-0016
2
Negative decimal fraction
REAL4
REAL4 is a format of Singular IEEE-754 number, also called FLOAT
0017-0018
2
Positive energy accumulator
LONG

0019-0020
2
Positive energy decimal fraction
REAL4

0021-0022
2
Negative energy accumulator
LONG

0023-0024
2
Negative energy decimal fraction
REAL4

0025-0026
2
Net accumulator
LONG

0027-0028
2
Net decimal fraction
REAL4

0029-0030
2
Net energy accumulator
LONG

0031-0032
2
Net energy decimal fraction
REAL4

0033-0034
2
Temperature #1/inlet
REAL4
Unit: C
0035-0036
2
Temperature #2/outlet
REAL4
Unit: C
0037-0038
2
Analog input AI3
REAL4

0039-0040
2
Analog input AI4
REAL4

0041-0042
2
Analog input AI5
REAL4

0043-0044
2
Current input at AI3
REAL4
In unit mA

0045-0046
2
Current input at AI3
REAL4
In unit mA
0047-0048
2
Current input at AI3
REAL4
In unit mA
0049-0050
2
System password
BCD
Writable。00H for unlock
0051
1
Password for hardware
BCD
Writable。“A55Ah” for unlock
0053-0055
3
Calendar (date and time)
BCD
Writable。6 Bytes of BCD stands SMHDMY,lower byte first
0056
1
Day+Hour for Auto-Save
BCD
Writable。For example 0512H stands Auto-save on 12:00 on 5th。0012H for 12:00 on everyday。
0059
1
Key to input
INTEGER
Writable
0060
1
Go to Window #
INTEGER
Writable。
0061
1
LCD Back-lit lights for number of seconds
INTEGER
Writable。In unit second
0062
1
Times for the beeper
INTEGER
Writable。Max 255
0062
1
Pulses left for OCT
INTEGER
Writable。Max 65535
0072
1
Error Code
BIT
16bits, see note 4
0077-0078
2
PT100 resistance of inlet
REAL4
In unit Ohm
0079-0080
2
PT100 resistance of outlet
REAL4
In unit Ohm
0081-0082
2
Total travel time
REAL4
In unit Micro-second
0083-0084
2
Delta travel time
REAL4
In unit Nino-second
0085-0086
2
Upstream travel time
REAL4
In unit Micro-second
0087-0088
2
Downstream travel time
REAL4
In unit Micro-second
0089-0090
2
Output current
REAL4
In unit mA
0092
1
Working step and
Signal Quality
INTEGER
The high byte is the step and low for signal quality,range 00-99,the larger the better.
0093
1
Upstream strength
INTEGER
Range 0-2047
0094
1
Downstream strength
INTEGER
Range 0-2047
0096
1
Language used in user interface
INTEGER
0 : English,1:Chinese
Other language will be supported later
0097-0098
2
The rate of the measured travel time by the calculated travel time.
REAL4
Normal 100+-3%
0099-0100
2
Reynolds number
REAL4


Kaifeng PuSheng instrument co., LTD., mainly producing all kinds of rotor meter, the level of spiral meter, vertical spiral water meter, water meter, prepaid intelligent water meter, IC card intelligent water meter, bluetooth intelligent water meter, nb intelligent water meter intelligent water meter and valve control meter, such as photoelectric read-only meter, ultrasonic heat meter, ultrasonic water meter, electromagnetic flowmeter, the throttle device, the vortex street flowmeter, Turbine flowmeter, and related software and hardware development, the company has intelligent circuit board and software research and development capabilities, through the ISO9000 certification system is a collection of research and development, production, sales, after-sales service, technical training as one of the high-tech production and development enterprises.
With decades of experience in the production and service of water meters, electricity meters and other meters and calibration devices, we have the best quality control experts and scientific research and production team in China. Company measurement experts get the measurers through certificate issued by the state in 1982, the quality control experts in 1968 (the original 983 factory), now known as artisans power of the luoyang bearing factory equipment factory work, presided over many products to participate in the national competition for weighing apparatus in China the national front row, computer industry core expert team with 20 years of experience, double card master, And scientific research institutes, universities, as well as a number of master's doctor cooperation to set up a RESEARCH and development service team, with various aspects of the system of research and development and production capacity, flow meter by decades of experience in the flow meter technical experts carefully built supervision. We service clients with unit of former five machine department, Beijing, Shanghai, ningbo and other places, shanxi, shandong, hebei, etc all kinds of users throughout the country, dozens of tap water company, we have training of luoyang, zhengzhou city tap water company check personnel, we have decades of instrument technical service and technical support capabilities.

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