Georg Fischer U1000 Operating Manual
GF Piping Systems
User Manual
U1000 V2 Ultrasonic Flowmeter
Original instruction manual
Follow the instruction manual
The instruction manual is part of the product and is an important element of the safety
concept.
Read and follow the instruction manual.
Always keep the instruction manual available at the product.
Pass on the instruction manual to all subsequent users of the product.
Contents
1 Intended use ..................................................................................................................... 3
2 About this document ........................................................................................................ 3
2.1 Warnings ........................................................................................................................... 3
2.2 Other related documents ................................................................................................. 4
2.3 Abbreviations .................................................................................................................... 4
3 Safety and responsibility .................................................................................................. 4
4 Transport and storage ...................................................................................................... 5
5 Design and function .......................................................................................................... 5
5.1 Design................................................................................................................................ 5
5.2 Principle of operation ....................................................................................................... 5
5.3 User Interface ................................................................................................................... 6
6 Technical specifications ................................................................................................... 7
6.1 Default values ................................................................................................................... 8
7 Scope of delivery ............................................................................................................... 9
8 Installation ........................................................................................................................ 9
8.1 Positioning the transducers ............................................................................................. 9
8.2 Preparation ......................................................................................................................10
8.3 Start-Up............................................................................................................................10
8.4 Adjusting the sensor distance .........................................................................................12
8.5 Mounting the U1000 V2 on the pipe ................................................................................14
8.5.1 Selecting the pipe adapter ..............................................................................................14
8.5.2 Apply sound-conductive paste ........................................................................................15
8.5.3 Mounting the guide rail ...................................................................................................15
8.5.4 Install the electronics module ........................................................................................16
8.6 Moving the guide rail .......................................................................................................16
8.7 Electrical connection of the U1000 V2 ............................................................................17
8.8 4-20 mA, Pulse option .....................................................................................................17
Intended use Instruction manual
2
8.8.1 Interface cable .................................................................................................................17
8.8.2 Pulse output .....................................................................................................................18
8.8.3 4-20 mA Output ................................................................................................................18
8.9 Modbus option .................................................................................................................18
8.9.1 Interface cable .................................................................................................................18
8.9.2 Modbus connections ........................................................................................................19
9 Operation ..........................................................................................................................19
9.1 Entering the pipe inside diameter ..................................................................................19
9.2 Setting the pulse output ..................................................................................................21
9.3 Current output 4 - 20 mA ................................................................................................21
9.4 Modbus .............................................................................................................................21
9.5 Switching off and on again ..............................................................................................23
10 Password-protected menus ...........................................................................................23
10.1 Overview ...........................................................................................................................23
10.2 Opening a password-protected menu ............................................................................23
10.3 Changing the selection menus .......................................................................................24
10.4 Changing the numerical values in data menus .............................................................24
10.5 Password-protected menu structure .............................................................................25
10.5.1 Overview ...........................................................................................................................25
10.5.2 Setup ................................................................................................................................26
10.5.3 Pulse output .....................................................................................................................29
10.5.4 Current output .................................................................................................................29
10.5.5 Calibration ........................................................................................................................30
10.5.6 Total ..................................................................................................................................30
11 Diagnosis ..........................................................................................................................31
12 Maintenance .....................................................................................................................31
12.1 Maintenance plan ............................................................................................................32
13 Troubleshooting ...............................................................................................................32
13.1 Flow errors and warnings ...............................................................................................32
13.2 Error messages ...............................................................................................................32
13.3 Modbus Error Messages .................................................................................................34
14 Removal............................................................................................................................35
15 Disposal ............................................................................................................................35
Instruction manual Intended use
3
1 Intended use
The U1000 V2 ultrasound flowmeter is used to obtain an optimal measurement of the volume
flow and flow rate in steel and plastic pipes with outside diameter from 22 mm (0.86”) to 180
mm (7”).
Measurable pipe sizes are dependent on pipe material and inner pipe diameter.
Typical applications
Hot water metering and flow measurement
Flow measurement and heat measurement
Cold water metering and flow measurement
Tap water metering and flow measurement
Service water metering and flow measurement
High-purity water metering and flow measurement
2 About this document
This document contains all the information necessary for installation, operation and
maintenance of the product.
2.1 Warnings
This instruction manual contains warning notices that alert you to the possibility of injuries or
damage to property. Always read and pay attention to these warnings!
Risk of fatal or serious injury!
There is a risk of fatal or serious physical injury if warnings are ignored!
Danger of minor physical injury!
Failure to pay attention to these warnings will lead to a risk of physical injury!
Risk of damage to property!
Failure to comply leads to a risk of damage to property (loss of time, loss of data, device
fault etc.)!
CAUTION
NOTICE
WARNING
CAUTION
Safety and responsibility Instruction manual
4
Other symbols
Symbol
Meaning
1.
Actions required in a numbered sequence.
Actions required
•
Listing of items on various levels
2.2 Other related documents
Georg Fischer industrial planning fundamentals
These documents are available through agents of GF Piping Systems or at www.gfps.com.
2.3 Abbreviations
Abbreviation
Description
ABS
Acrylonitrile-butadiene-styrene
DA
Double acting function
EMC
Electromagnetic Compatibility
FC
Fail safe to close function
FO
Fail safe to open function
LCD
Liquid crystal display
LED
Light-emitting diode
MOSFET
Metal oxide semiconductor field effect transistor
PB-INSTAFLEX
Polybutene plastic piping system
PE-ELGEF
Polyethylene plastic piping system
PP-PROGEF
Polypropylene plastic piping system
PVDF-SGEF
PVDF (polyvinylidene fluoride) plastic piping system
SPNO MOSFET
Single-pole normally open metal oxide semiconductor field effect transistor
VC-U-PVC
Polyvinyl chloride
3 Safety and responsibility
Only use the product for the intended purpose, see Intended Use.
Do not use any damaged or faulty product. Sort out any damaged product immediately.
Make sure that the piping system has been installed professionally and that it is inspected
regularly.
Have the product and accessories installed only by persons who have the required
training, knowledge or experience.
Instruction manual Transport and storage
5
Regularly train personnel on all questions regarding the locally regulations applying to
occupational safety and environmental protection, especially for pressurised pipelines.
4 Transport and storage
Protect the product against external forces during transport (impacts, knocks, vibrations
etc.).
Transport and / or store the product unopened in its original packaging.
Protect the product from dust, dirt, moisture as well as heat and ultraviolet radiation.
Ensure that the product is not damaged either by mechanical or thermal influences.
Before assembling, check the product for damage during transport.
5 Design and function
5.1 Design
1
Power supply (AC/DC)
4
Guide rail
2
Pipe clamp
5
User interface
3
Electronics module
6
Pipe
The U1000 V2 consists of an electronics module (3) and a guide rail (4), which together form a
single unit which is fixed to the pipe (6) by pipe clamps (2).
The U1000 V2 is supplied with power through an external 12 – 24 V power adapter (1).
5.2 Principle of operation
The U1000 V2 takes accurate flow measurements by determining the difference between the
transmission times of two ultrasound signals.
Design and function Instruction manual
6
A periodic voltage pulse acts on the transducer crystals and produces an ultrasound beam at
a certain frequency. The beam is first transmitted by the downstream transducer (blue) to the
upstream transducer (red).
The beam is then sent in the opposite direction, i.e. from the upstream transducer (red) to the
downstream transducer (blue). The time taken for the ultrasound to pass through the liquid in
this direction is slightly shortened by the speed at which the liquid flows through the pipe.
The resulting time difference T1 – T2 is directly proportional to the speed at which the liquid
flows through the pipe.
5.3 User Interface
1
LED 4 - 20 mA is lit when the current output is active
2
LED Pulse is lit when the pulse output is active
3
Button (selection button) switches backwards and forwards through the displayed
options
4
Button (reduce value) reduces the value incrementally in the digital input fields
5
Button (increase value) increases the value incrementally in the digital input fields
6
Button (confirm input) confirms the value displayed, ends data input, changes to
another menu or the flow values screen
7
LCD display with backlighting (2 rows x 16 characters)
Principle of
Instruction manual Technical specifications
7
6 Technical specifications
Data
Kv value
Measurement technology
Transmission time
Measurement channels
1
Resolution of time calculation
± 50 ps
Dynamics (turn-down ratio)
200:1
Flow rate
0.1m/s - 10m/s (0.3 ft/s - 32 ft/s)
Usable liquid types
High purity water, clean water with < 3 percent by volume
of particle content, or up to 30% ethylene glycol.
Accuracy
± 3 % of flow value with a flow rate of > 0.3 m/s
Repeatability
± 0.15 % of measured value
Selectable units of
measurement
Flow rate
m/s, ft/s
Volume flow
l/s, l/min, m3/min, m3/hr
gal/s, gal/min, USgal/s, USgal/min
Volume
l, m3, gals, USgals
Languages supported
English
Power input
12 – 24 V (AC or DC)
Power consumption
7 VA max.
Cable
5 m shielded (6-wire)
Pulse output
Output
Opto-isolated MOSFET volt free contact (NO/NC)
Insulation
2500 V
Pulse width
Default value
50 ms
Programmable range
3 – 99 ms
Pulse repeat rate
Up to 166 pulses/s (depending on pulse width)
Frequency based mode
200 Hz max. (Range 1-200)
Max. voltage/current load
48 V AC / 500 mA
Current output
Output
4 – 20 mA
Resolution
0.1 % of total scale
Maximum load
620 Ω
Insulation
1500 V optically insulated
Alarm current
3.5 mA
Housing
Technical specifications Instruction manual
8
Data
Kv value
Material
Polycarbonate
Mounting
Pipe mountable
Protection class
IP54
Fire classification
UL94 V-0
Dimensions
250 mm x 48 mm x 90 mm
(electronics + guide rail)
Weight
0.5 kg
Ambient conditions
Pipe temperature
0 °C to +85 °C
Operating temperature
(electronics)
0 °C to +50 °C
Storage temperature
-10 °C to +60 °C
Humidity
90% relative humidity at < 50 °C
Display
LCD
2 lines x 16 characters
Viewing angle
30° min., 40° max.
Active area (W) x (H)
58 mm x 11 mm
Keypad
Format
Keypad with 4 buttons
6.1 Default values
The settings are configured at the factory for either metric or imperial dimensions and
weights.
Parameters
Metric dimensions
Imperial dimensions
Dimensions
mm
Inches
Volume flow
l/min
USgal/min
Pipe size
50 mm
2“
4 - 20 mA
On
On
Pulse output
Off
Off
Volume per pulse
10 l
10 US gallons
Pulse width
50 ms
50 ms
Damping
20 s
20 s
Calibration factor
1.000
1.000
Zero Cut-off
0.02 m/s
0.07 m/s
Instruction manual Scope of delivery
9
Parameters
Metric dimensions
Imperial dimensions
Zero offset
0.000 l/min
0.000 gal/min
7 Scope of delivery
Component
Pcs.
U1000 V2 electronics module
1
Guide rail
1
Gel-Pads
4
Syringe with sound-conductive paste
1
Pipe clamps
2
Cable
1
Adapter for small pipes < 40 mm
1
Adapter for small pipes < 60 mm
1
8 Installation
8.1 Positioning the transducers
The U1000 V2 requires an even and uniform flow profile, since distortions in the flow can
cause unpredictable measurement errors.
In many applications, however, it is not possible to have a uniform flow rate through 360°.
This may be, for example, because there are air bubbles inside the top of the pipe, or
turbulence in the pipe, or sludge at the bottom of the pipe.
Experience has shown that the most accurate results are obtained if the guide rail of the
transducers is not mounted vertically to the pipe, but turned at an angle of about 45° to the
right or left on the pipe.
Possible air gap
Turbulent flow profile
Laminar flow profile
Possible deposits
(sludge)
10x diameter
Possible sensor
20x diameter
Flow
Installation Instruction manual
10
Incorrect measurements
Measurements can be distorted if the transducers are positioned close to upstream pipe
components and fittings such as pipe bends, T-branches, valves, pumps and similar
obstacles.
To ensure that the U1000 V2 is positioned at a place that has an undistorted flow profile, the
transducers must be mounted sufficiently far from possible sources of distortion to prevent
these from having any effect on the measurement.
Install a straight section of pipe with length 20 times the diameter on the upstream side
of the transducer.
In exceptional cases, a pipe with length 10 times the diameter may be sufficient.
Install a pipe section with length 10 times the diameter on the downstream side of the
transducer.
In exceptional cases, a pipe with length 5 times the diameter may be sufficient.
8.2 Preparation
Before attaching the transducers, make sure that desired position meets the distance
requirements.
See Section 8.1 Positioning the transducers, Page 9.
Clean the pipe to remove any grease residues.
Remove any dirt and flaking paint in order to ensure an even surface.
Maximum accuracy
A smooth and even contact between pipe surface and transducer is an important factor for
obtaining a sufficiently strong ultrasound signal.
8.3 Start-Up
Connect the U1000 V2 to power supply
See section 8.7 Electrical connection of the
U1000 V2 for further details.
NOTICE
NOTICE
Instruction manual Installation
11
The U1000 V2 boots for the first time.
The GF start screen is displayed for 5 s.
The start-up wizard automatically starts.
Enter pipe id menu appears.
Select your pipe inside diameter and press
to acknowledge.
See Section 9.1 Entering the pipe inside
diameter, Page 19 for more details.
Select your pipe material and press to
acknowledge.
Select your instrument fluid and press
to acknowledge.
Select you media temperature:
- 'Cold' for temperature 2 °C to 40 °C
- 'Hot' for temperature 40 °C to 85 °C
Press to acknowledge.
The U1000 V2 shows you the correct
transducer distance for your application.
Press to acknowledge
Proceed with 8.4 Adjusting the sensor
distance
The U1000 V2 searches for a valid signal.
If a valid signal is detected, the signal strength
and flow are displayed.
The direction of flow at switch-on time is taken
as a positive flow value and the current and
pulse output refer to this flow direction.
Loading...