1. Manuals
  2. Brands
  3. Flexim Manuals
  4. Measuring Instruments
  5. FLUXUS F501
  6. Operating instruction

Flexim FLUXUS F501 Operating Instruction

Hide thumbs
Table of Contents

Advertisement

Quick Links

Operating instruction
FLUXUS F501
UMFLUXUS_F501V1-3EN

Advertisement

Table of Contents
loading

Related Manuals for Flexim FLUXUS F501

Summary of Contents for Flexim FLUXUS F501

  • Page 1 Operating instruction FLUXUS F501 UMFLUXUS_F501V1-3EN...
  • Page 2 FLUXUS is a registered trademark of FLEXIM GmbH. FLEXIM GmbH Boxberger Straße 4 12681 Berlin Germany Tel.: +49 (30) 936 67 660 Fax: +49 (30) 936 67 680 E-mail: info@flexim.com www.flexim.com Operating instruction for FLUXUS F501 UMFLUXUS_F501V1-3EN, 2020-06-30 Article number: 21751 Copyright (©) FLEXIM GmbH 2020...

  • Page 3: Table Of Contents

    FLUXUS F501 Table of contents Table of contents Introduction ................7 Safety instructions .
  • Page 4 Table of contents FLUXUS F501 Measurement ................67 Parameter input .
  • Page 5 FLUXUS F501 Table of contents Advanced functions ..............103 16.1...
  • Page 6 Table of contents FLUXUS F501 2020-06-30, UMFLUXUSF501V1-3EN...

  • Page 7: Introduction

    Copyright The contents of this operating instruction are subject to changes without prior notice. All rights reserved. No part of this operating instruction may be reproduced in any form without FLEXIM's written permission. UMFLUXUS_F501V1-3EN, 2020-06-30...

  • Page 8: Safety Instructions

    The measuring equipment has to be checked for proper condition and operational safety before each use. If troubles or damages have occurred during installation or operation of the measuring equipment, please inform FLEXIM. It is not allowed to make unauthorized modifications or alterations to the measuring equipment.

  • Page 9: Not Intended Use

    • With the exceptions stated in chapter 11, the measuring equipment is maintenance-free. Any components and spare parts may only be replaced by FLEXIM. The operator shall carry out periodic checks for changes or damages that can present a danger. For further information, contact FLEXIM.

  • Page 10: Safety Instructions For Transport

    Safety instructions for transport • If you detect a transport damage when unpacking the delivery, please contact the supplier or FLEXIM immediately. • The transmitter is a sensitive electronic measuring instrument. Avoid shocks or impacts. • Handle the transducer cable with care. Avoid excessive bending or buckling. Observe the ambient conditions.

  • Page 11: General Principles

    3 General principles FLUXUS F501 3.1 Measurement principle General principles In the ultrasonic flow measurement, the flow velocity of the fluid in a pipe is determined. Further physical quantities are derived from the flow velocity and from additional physical quantities, if necessary.
  • Page 12 3 General principles 3.1 Measurement principle FLUXUS F501 3.1.2 Measurement of the flow velocity in the TransitTime mode The signals are emitted and received by 2 transducers alternatively in and against the flow direction. If the fluid is flowing, the signals propagating in the fluid are displaced with the flow.
  • Page 13 3 General principles FLUXUS F501 3.1 Measurement principle Fig. 3.3: Transit time difference Δt Δt 1 – signal in the flow direction 2 – signal against the flow direction 3.1.3 Measurement of the flow velocity in the NoiseTrek parallel beam mode Pipes with a small pipe diameter or fluids which strongly attenuate the ultrasonic signal can cause a reduction of the transit time in the fluid with the result that the signal quality is no longer sufficient.

  • Page 14: Measurement Arrangements

    3 General principles 3.2 Measurement arrangements FLUXUS F501 The average flow velocity of the fluid is calculated as follows: t --------------- - v = k · k · 2 t  where – average flow velocity of the fluid – fluid mechanics calibration factor –...
  • Page 15 3 General principles FLUXUS F501 3.2 Measurement arrangements Transducer distance The transducer distance is measured between the inner edges of the transducers. reflection arrangement diagonal arrangement (positive transducer distance) diagonal arrangement (negative transducer distance) a – transducer distance Sound beam plane plane, containing sound paths or beams Fig.

  • Page 16: Acoustic Penetration

    3 General principles 3.3 Acoustic penetration FLUXUS F501 Acoustic penetration The pipe has to be acoustically penetrable at the measuring point. The acoustic penetration is given when pipe and fluid do not attenuate the sound signal so strongly that it is completely absorbed before reaching the second transducer.

  • Page 17: Undisturbed Flow Profile

    3 General principles FLUXUS F501 3.4 Undisturbed flow profile Free inlet or outlet pipe section Select the measuring point at a pipe section where the pipe cannot run empty, see Fig. 3.13 and Fig. 3.14. Fig. 3.13: Recommended transducer Fig. 3.14:...
  • Page 18 3 General principles 3.4 Undisturbed flow profile FLUXUS F501 Tab. 3.1: Recommended distance from disturbance sources D – nominal pipe diameter at the measuring point l – recommended distance between disturbance source and transducer position disturbance source: valve inlet: l ≥ 40 D outlet: l ≥...

  • Page 19: Product Description

    4 Product description FLUXUS F501 4.1 Measuring system Product description Measuring system The measurement system consists of a transmitter, the ultrasonic transducers and the pipe on which the measurement is carried out, see Fig. 4.1. Fig. 4.1: Example for a measurement arrangement 1 –...

  • Page 20: Navigation

    4 Product description 4.3 Navigation FLUXUS F501 For a description of the individual program branches, see Tab. 4.1. Tab. 4.1: Description of the program branches program branch description Parameter Before starting a measurement, the transducer, pipe and fluid parameters have to be entered in the program branch Parameter.

  • Page 21: Keyboard

    4 Product description FLUXUS F501 4.4 Keyboard Keyboard The keyboard has 5 keys: ENTER, BRK, C, Tab. 4.2: General functions ENTER confirmation of selection or input BRK + C INIT: When switching on the transmitter press these 2 keys simultaneously to execute the initialization, see section 8.8...

  • Page 22: Transport And Storage

    5 Transport and storage 5.1 Transport FLUXUS F501 Transport and storage Caution! When packaging, the transmitter can fall down. There is a danger of crushing body parts or damaging the measuring equipment. → Secure the transmitter against falling during packaging. Wear the required personal protective equipment.

  • Page 23: Installation

    6 Installation FLUXUS F501 6.1 Transmitter Installation Warning! Installation, connection and start-up by unauthorized and unqualified personnel This may result in personal or material damage or other dangerous situations. → Any work on the transmitter has to be carried out by authorized and qualified personnel.
  • Page 24 6 Installation 6.1 Transmitter FLUXUS F501 6.1.1 Opening and closing the housing Opening Important! Do not use objects which may damage the housing gasket to open the cover housing. • Loosen the screws of the transmitter housing, see Fig. 6.2 •...
  • Page 25 6 Installation FLUXUS F501 6.1 Transmitter Fig. 6.3: Transmitter (dimensions in mm) Ø 8.4 Ø 4.5 1 – fixing holes for wall mounting 6.1.2.2 Pipe installation Important! The pipe has to be sufficiently stable to withstand the pressure exerted by the transmitter and the shackles.
  • Page 26 6 Installation 6.1 Transmitter FLUXUS F501 Installation on a pipe > 2'' The pipe mounting kit is fixed to the pipe by using tension straps, see Fig. 6.5. Caution! The edge of the tension strap is very sharp. Risk of injury! →...

  • Page 27: Transducers

    6 Installation FLUXUS F501 6.2 Transducers Transducers Installation 6.2.1 Preparation 6.2.1.1 Measuring point selection The correct selection of the measuring point is crucial for achieving reliable measurement results and a high measurement accuracy. A measurement on a pipe is possible if: •...
  • Page 28 6 Installation 6.2 Transducers FLUXUS F501 6.2.1.3 Selection of the measurement arrangement Diagonal arrangement with 1 beam Reflection arrangement with 1 beam • wider flow velocity and sound speed • smaller flow velocity and sound speed range compared to the reflection ar-...
  • Page 29 6 Installation FLUXUS F501 6.2 Transducers Bidirectional measurements flow direction • The sound beam plane is selected according to the nearest elbow (horizon- tal or vertical, depending on the pipe orientation, see above). 6.2.2 Installation of the transducers 6.2.2.1 Orientation of the transducers and determination of the transducer distance Observe the orientation of the transducers.
  • Page 30 6 Installation 6.2 Transducers FLUXUS F501 6.2.2.2 Transducer arrangement The transducer mounting with mounting rails can have various arrangements: Fig. 6.7: Transducer arrangement in mounting rails reflection arrangement, 1 rail reflection arrangement, 2 rails diagonal arrangement, 2 parallel rails diagonal arrangement,...
  • Page 31 6 Installation FLUXUS F501 6.2 Transducers 6.2.2.3 Mounting with Variofix L, PermaRail Scope of delivery 2 × Variofix L 1 × transducer pair 4 × quick release clasp with tension strap 4 × band clamp clasp with tension strap 4 × ratchet clasp and tension...
  • Page 32 6 Installation 6.2 Transducers FLUXUS F501 Mounting When measuring in diagonal arrangement, the transducer mounting fixtures are mounted on opposite sides of the pipe, see Fig. 6.8. When measuring in reflection arrangement, the transducer mounting fixtures are mounted on the same side of the pipe, see Fig.
  • Page 33 6 Installation FLUXUS F501 6.2 Transducers Step 1: Dismounting of the transducer mounting fixture Variofix L • Disassemble the transducer mounting fixture Variofix L, see Fig. 6.10. Fig. 6.10: Dismounting of the transducer mounting fixture Variofix L 1 – cover 2 –...
  • Page 34 6 Installation 6.2 Transducers FLUXUS F501 Ratchet clasp • Cut the tension strap to length (pipe circumference + at least 120 mm). Caution! The edge of the tension strap is very sharp. Risk of injury! → Debur sharp edges. → Wear the required personal protective equipment. Observe the applicable rules.
  • Page 35 6 Installation FLUXUS F501 6.2 Transducers Quick release clasp • Insert the tension strap into the tension strap clamp and the metal spring, see Fig. 6.15 and Fig. 6.16. • Position the clasp, the tension strap clamp and the metal spring on the pipe, see Fig. 6.14: –...
  • Page 36 6 Installation 6.2 Transducers FLUXUS F501 Notice! In order to release the screw and the tension strap, press the lever down, see Fig. 6.19. Fig. 6.18: Tension strap with metal spring and clamp 1 – metal spring 2 – tension strap clamp Fig.
  • Page 37 6 Installation FLUXUS F501 6.2 Transducers Fig. 6.21: Rail, mounted on one side of the pipe 1 – tension strap clamp 2 – tension strap clamp 3 – nut • Select the installation instructions according to the supplied clasp: Band clamp clasp •...
  • Page 38 6 Installation 6.2 Transducers FLUXUS F501 Fig. 6.23: Tension strap with band clamp Fig. 6.24: Tension strap with quick release clasp clasp and metal spring 1 – clasp screw 1 – clasp screw 2 – metal spring Ratchet clasp • Insert the tension strap into the tension strap clamp (2) and the metal spring, see Fig. 6.22 and Fig. 6.25. The metal spring does not have to be mounted on: –...
  • Page 39 6 Installation FLUXUS F501 6.2 Transducers Fig. 6.26: Ratchet clasp with tension strap 1 – sense of rotation 2 – edge 3 – lever 4 – clasp screw with slot • Repeat the steps to fix the second rail, see Fig. 6.27.
  • Page 40 Make sure that the coupling foil remains on the contact surface of the transducers. For information concerning the coupling foil, see the safety data sheet. In case a safety data sheet is required, contact FLEXIM. • Tighten the cover screws, see Fig. 6.30.
  • Page 41 6 Installation FLUXUS F501 6.2 Transducers 6.2.2.4 Mounting with Variofix C Scope of delivery 1 × Variofix C 1 × transducer pair 1 × tension strap coil 2 × ratchet clasp Mounting When measuring in reflection arrangement, 1 transducer mounting fixture is mounted laterally on the pipe, see Fig. 6.31.
  • Page 42 6 Installation 6.2 Transducers FLUXUS F501 Step 1: Dismounting of the transducer mounting fixture Variofix C • Disassemble the transducer mounting fixture Variofix C. In order to remove the cover from the rail, bend the outer sides of the cover outwards, see Fig. 6.33.
  • Page 43 6 Installation FLUXUS F501 6.2 Transducers • Insert approx. 100 mm of the tension strap into one of the slots of the tension strap clamp and bend it, see Fig. 6.35. • If necessary, insert the long end of the tension strap into the metal spring, see Fig. 6.36. The metal spring does not have to be mounted on: –...
  • Page 44 6 Installation 6.2 Transducers FLUXUS F501 Fig. 6.38: Rail on the pipe 1 – screws Mounting the rail with ratchet clasp • Cut the tension strap to length (pipe circumference + at least 120 mm). Caution! The edge of the tension strap is very sharp.
  • Page 45 6 Installation FLUXUS F501 6.2 Transducers • Position the ratchet clasp, tension strap clamp and metal spring (if necessary) on the pipe: – on a horizontal pipe, mount the tension strap clamp on the side of the pipe, if possible –...
  • Page 46 6 Installation 6.2 Transducers FLUXUS F501 Step 3: Installation of the transducers in the transducer mounting fixture Variofix C • Stick coupling foil (or some coupling compound for a short-term installation) on the contact surface of the transducers. The coupling foil can be fixed to the contact surface with a small amount of coupling compound.
  • Page 47 6 Installation FLUXUS F501 6.2 Transducers Fig. 6.46: Variofix C with transducers on the pipe 1 – screw 2 – cover Remove the cover from the mounted transducer mounting fixture Variofix C as follows: • Use a lever tool to remove the cover.
  • Page 48 6 Installation 6.2 Transducers FLUXUS F501 6.2.2.5 Installation with mounting shoe and tension strap • Cut the tension straps to length (pipe circumference + at least 120 mm). • Make sure that part (2) of the clasp is on top of part (1), see Fig. 6.48. The hooks of part (2) have to be on the outer side of the clasp.
  • Page 49 6 Installation FLUXUS F501 6.2 Transducers 6.2.2.6 Mounting with tension strap and quick release clasp Caution! The edge of the tension strap is very sharp. Risk of injury! → Debur sharp edges. → Wear the required personal protective equipment. Observe the applicable rules.

  • Page 50: Connection

    7 Connection 7.1 Transducers FLUXUS F501 Connection Warning! Installation, connection and start-up by unauthorized and unqualified personnel This may result in personal or material damage or other dangerous situations. → Any work on the transmitter has to be carried out by authorized and qualified personnel.
  • Page 51 7 Connection FLUXUS F501 7.1 Transducers 7.1.1 Connection of the transducer cable to the transmitter Important! The degree of protection of the transmitter is only ensured if all cables are tightly fitted using cable glands and the housing is firmly screwed.
  • Page 52 7 Connection 7.1 Transducers FLUXUS F501 Fig. 7.3: Connection of the transducer cable with plastic cable jacket and stripped cable ends to the transmitter cable gland 1 – cap nut 2 – compression part 3 – basic part 4 – external shield brushed back 7.1.2...
  • Page 53 7 Connection FLUXUS F501 7.1 Transducers Fig. 7.4: Connection of the extension cable to the transmitter cable gland 1 – cap nut 2 – compression part 3 – basic part 4 – external shield brushed back 5 – extension cable 7.1.3...
  • Page 54 7 Connection 7.1 Transducers FLUXUS F501 Fig. 7.5: Connection of the transducer cable with plastic cable jacket and stripped cable ends cable gland 1 – cap nut 2 – compression part 3 – basic part 4 – external shield brushed back 7.1.4...
  • Page 55 7 Connection FLUXUS F501 7.1 Transducers Fig. 7.6: Connection of the extension and transducer cable to the junction box cable gland 1 – extension cable 2 – external shield brushed back 3 – cap nut 4 – compression part 5 – basic part 6 –...
  • Page 56 7 Connection 7.1 Transducers FLUXUS F501 Important! The external shield of the extension cable must not have electrical contact to the junction box. Therefore, the extension cable has to remain completely insulated up to the shield terminal. • Fix the extension cable and the external shield to the shield terminal.
  • Page 57 7 Connection FLUXUS F501 7.1 Transducers 7.1.5 Transducer module (SENSPROM) The transducer module contains important transducer data for the operation of the transmitter with transducers. If transducers are replaced, the sensor module must also be replaced. Notice! The serial numbers of the transducer module and the transducer must be identical. A wrong or incorrectly connected sensor module will lead to incorrect measured values or to a measurement failure.

  • Page 58: Power Supply

    7 Connection 7.2 Power supply FLUXUS F501 Power supply Connection Important! The degree of protection of the transmitter will only be guaranteed if the power cable fits firmly and tightly in the cable gland. • Connect the power cable to the transmitter.

  • Page 59: Outputs

    7 Connection FLUXUS F501 7.3 Outputs Outputs Important! The max. permissible voltage between the outputs and against PE is 60 V DC (permanent). • Connect the output cable to the transmitter. For the connection of the output cable to the transmitter, see section 7.2.1, Fig. 7.11 and Tab. 7.7.
  • Page 60 7 Connection 7.3 Outputs FLUXUS F501 Tab. 7.7: Circuit of the outputs output transmitter external circuit remark internal circuit connection RS485 120 Ω 8 (A+) (option) termination resistor 7 (B-) shield The number, type and the connections of the outputs depend on the order.

  • Page 61: Serial Interfaces

    7 Connection FLUXUS F501 7.4 Serial interfaces Serial interfaces Connection 7.4.1 RS232 service interface The RS232 service interface is located on the front plate of the transmitter, see Fig. 7.12. • Connect the RS232 cable to the transmitter and the serial interface of the PC. If the RS232 cable cannot be connected to the PC, use the RS232/USB adapter.

  • Page 62: Start-Up

    8 Start-up 8.1 Start-up settings FLUXUS F501 Start-up Warning! Installation, connection and start-up by unauthorized and unqualified personnel This may result in personal or material damage or other dangerous situations. → Any work on the transmitter has to be carried out by authorized and qualified personnel.

  • Page 63: Switching On

    8 Start-up FLUXUS F501 8.2 Switching on DATE The current date is displayed. • Press ENTER to confirm the date or to set the current date via the keys • Press ENTER. Switching on As soon as the transmitter is connected to the power supply, the serial number of the transmitter is displayed for a short time.

  • Page 64: Hotcodes

    8 Start-up 8.4 HotCodes FLUXUS F501 HotCodes A HotCode is a digit sequence that activates certain functions and settings. Special Funct.\SYSTEM settings\Miscellaneous • Select the menu item Miscellaneous in the program branch Special Funct.\SYSTEM settings. • Press ENTER. Input a HOTCODE •...

  • Page 65: Initialization

    8 Start-up FLUXUS F501 8.6 Initialization Initialization During an initialization (INIT) of the transmitter, the settings in the program branches Parameter and Output Options and some of the settings in the program branch Special Funct. are reset to the default settings of the manufacturer.

  • Page 66: Instrument Information

    8 Start-up 8.8 Instrument information FLUXUS F501 Instrument information Special Funct.\Instrum. Inform. • Select the menu item Instrum. Inform. to get information about the transmitter. • Press ENTER. F501 -XXXXXXXX The type and the serial number of the transmitter are displayed in the upper line.

  • Page 67: Measurement

    9 Measurement FLUXUS F501 9.1 Parameter input Measurement Warning! Installation, connection and start-up by unauthorized and unqualified personnel This may result in personal or material damage or other dangerous situations. → Any work on the transmitter has to be carried out by authorized and qualified personnel.
  • Page 68 9 Measurement 9.1 Parameter input FLUXUS F501 Outer Diameter 1100.0 MAXIMAL It is possible to enter the pipe circumference instead of the outer pipe diameter, see section 18.1. If the input of the pipe circumference is activated and zero is entered in Outer Diameter, the menu item Pipe Circumfer.
  • Page 69 9 Measurement FLUXUS F501 9.1 Parameter input Lining material Parameter\Lining • Select the lining material. • Press ENTER. • If the lining material is not included in the scroll list, select Other Material. • Press ENTER. This display will only be indicated if yes is selected in the menu item Lining.
  • Page 70 9 Measurement 9.1 Parameter input FLUXUS F501 9.1.2 Input of fluid parameters Fluid Parameter\Medium • Select the fluid from the scroll list. • Press ENTER. If the fluid is not in the scroll list, select Other Medium. If a fluid is selected from the scroll list, the menu item for the input of the fluid temperature will directly be displayed.
  • Page 71 If a standard transducer is selected, no transducer-specific calibration values are considered. A higher uncertainty has to be expected. Parameter\Transducer Type\Special Version If Special Version is selected, enter the 6 transducer parameters specified by FLEXIM. Press ENTER after each input. Extension cable Parameter\Additional cable In case the transducer cable is extended (e.g., between junction box and transmitter), enter the length of the extension cable.

  • Page 72: Measurement Settings

    9 Measurement 9.2 Measurement settings FLUXUS F501 Measurement settings 9.2.1 Selection of the physical quantity and the unit of measurement The following physical quantities can be measured: • sound speed Output Options • flow velocity: is calculated on the basis of the measured Physic.
  • Page 73 9 Measurement FLUXUS F501 9.2 Measurement settings 9.2.3 Installation of an output If the transmitter is equipped with outputs, they have to be installed and activated before they can be used: SYSTEM settings • assignment of the physical quantity (source item) to be transmitted to the output by the source channel, and the Proc.
  • Page 74 9 Measurement 9.2 Measurement settings FLUXUS F501 Tab. 9.1: Configuration of the outputs source item list item output Measuring value actual measure physical quantity selected in the program branch Output Options Flow flow, independent of the physical quantity selected in the program branch...
  • Page 75 9 Measurement FLUXUS F501 9.2 Measurement settings 9.2.3.1 Output of the measured value Output range When configuring an analog output, the output range has to be defined. Source item Output range Special Funct.\SYSTEM settings\ Proc. outputs\...\Output range I1 Error-value • Select the menu item Special Funct.\ active loop SYSTEM settings\Proc.
  • Page 76 9 Measurement 9.2 Measurement settings FLUXUS F501 Tab. 9.3: Examples for the error output (output range: 4...20 mA) list item output signal Minimum (4.0 mA) I [mA] Hold last value I [mA] Maximum (20.0 mA) I [mA] Other value... I [mA] error value = 3.5 mA...
  • Page 77 9 Measurement FLUXUS F501 9.2 Measurement settings Output function test The function of the output can now be tested. • Connect an external measuring instrument to the terminals of the output. Special Funct.\SYSTEM settings\Proc. outputs\...\Output Test I1 • Enter a test value. It has to be within the output range.
  • Page 78 9 Measurement 9.2 Measurement settings FLUXUS F501 Output Options\...\Full-Scale Val. • Enter the highest expected measured value. The unit of measurement of the source item will be displayed. Full-Scale Val. is the value assigned to the value Output MAX of the output range.

  • Page 79: Start Of The Measurement

    9 Measurement FLUXUS F501 9.3 Start of the measurement 9.2.5 Input of the error delay The error delay is the time after which an error value will be sent to an output if no valid measured values are available. Output Options\...\I1:Error-val. delay This display will only be indicated if the list item edit is selected in Special Funct.\Dialogs/Menus\Error-val.
  • Page 80 9 Measurement 9.3 Start of the measurement FLUXUS F501 Profile correction If With disturbance is selected in the menu item Special Funct.\SYSTEM settings\ Measuring\ProfileCorr 2.0, it has to be checked whether the measurement arrangement is appropriate. If the number of sound paths is odd and more than one measuring channel is activated, the following display appears: A: Alone at measp >NO<...
  • Page 81 9 Measurement FLUXUS F501 9.3 Start of the measurement Fig. 9.1: Diagnostics window S=■■■■■■ Q:■■■■■■■■■■■■ time= 94.0 µs Q:■■■■■■■■■■■ In case of large deviations, check if the entered parameters are correct or repeat the measurement at a different point on the pipe.

  • Page 82: Display Of Measured Values

    9 Measurement 9.4 Display of measured values FLUXUS F501 Display of measured values The measured values are displayed during the measurement as follows: Volume flow 31.82 m3/h 9.4.1 Value of the sound speed The sound speed of the fluid can be displayed during the measurement by pressing key If an approximate range for the sound speed has been entered in the program branch Parameter and the transducer distance has been optimized afterwards, it is recommended to write down the sound speed for the next measurement.
  • Page 83 9 Measurement FLUXUS F501 9.4 Display of measured values Status line Important information of the running measurement is summarized in the status line. Quality and precision of the running measurement can be evaluated accordingly. Press key during the measurement to scroll through the upper line to the status line.

  • Page 84: Execution Of Special Functions

    9 Measurement 9.5 Execution of special functions FLUXUS F501 9.4.3 Transducer distance The transducer distance can be displayed during the measurement by scrolling the key Fig. 9.3: Display of the transducer distance L=(51.2) 50.8 mm 54.5 m3/h The optimum transducer distance (here: 51.2 mm) will be displayed in parentheses in the upper line, followed by the entered transducer distance (here: 50.8 mm).

  • Page 85: Troubleshooting

    Send the transmitter to FLEXIM. An output does not work Make sure that the outputs are configured correctly. Check the function of the output. If the output is defective, contact FLEXIM. UMFLUXUS_F501V1-3EN, 2020-06-30...

  • Page 86: Problems With The Measurement

    Signal loss during the measurement • If there is no measuring signal after the pipe had been run empty and refilled, contact FLEXIM. • Wait a moment until the acoustic contact is reestablished. The measurement can be interrupted due to a temporarily higher proportion of gas bubbles and solids in the fluid.

  • Page 87: Significant Deviations Of The Measured Values

    10 Troubleshooting FLUXUS F501 10.5 Significant deviations of the measured values The pipe lining may cause problems during the measurement if it is not firmly attached to the inner pipe wall or consists of acoustically absorbing material Try to measure on a section of the pipe free from lining.

  • Page 88: Maintenance And Cleaning

    11 Maintenance and cleaning 11.1 Maintenance FLUXUS F501 Maintenance and cleaning Warning! Service works by unauthorized and unqualified personnel This may result in personal or material damage or other dangerous situations. → Any work on the transmitter has to be carried out by authorized and qualified personnel.

  • Page 89: Cleaning

    > 200 °C for high temperature transducers) In order to realize a recalibration under reference conditions either the transmitter, the transducers or the transmitter with transducers have to be sent to FLEXIM depending on which part needs to be calibrated. UMFLUXUS_F501V1-3EN, 2020-06-30...

  • Page 90: Dismounting And Disposal

    12 Dismounting and disposal 12.1 Dismounting FLUXUS F501 Dismounting and disposal Warning! Installation, connection and start-up by unauthorized and unqualified personnel This may result in personal or material damage or other dangerous situations. → Any work on the transmitter has to be carried out by authorized and qualified personnel.

  • Page 91: Outputs

    13 Outputs FLUXUS F501 13.1 Installation of a binary output Outputs In addition to the analog outputs, the transmitter can be equipped with binary outputs. 13.1 Installation of a binary output If the transmitter is equipped with binary outputs, they have to be installed and activated before they can be used: •...

  • Page 92: Activation Of A Binary Output As Pulse Output

    13 Outputs 13.2 Activation of a binary output as pulse output FLUXUS F501 Function test of the binary output The function of the output can now be tested. • Connect an external measuring instrument to the terminals of the output.
  • Page 93 13 Outputs FLUXUS F501 13.2 Activation of a binary output as pulse output Output Options\...\Pulse Output\Pulse Width • Enter the pulse width. The range of possible pulse widths depends on the specification of the instrument (e.g., counter, PLC) that is to be connected to the output.

  • Page 94: Data Logger

    14 Data logger 14.1 Activation/Deactivation of the data logger FLUXUS F501 Data logger The transmitter has a data logger which stores the following data during the measurement: • date • time • measuring point number • pipe parameters • fluid parameter •...

  • Page 95: Configuration Of The Data Logger

    14 Data logger FLUXUS F501 14.3 Configuration of the data logger 14.3 Configuration of the data logger Special Funct.\SYSTEM settings\Storing • Select the menu item Special Funct.\SYSTEM settings\Storing. • Press ENTER. Starting time It is possible to set a starting time if it is necessary to synchronize the storing of measured values for several transmitters.

  • Page 96: Measurement With Activated Data Logger

    14 Data logger 14.4 Measurement with activated data logger FLUXUS F501 Notice! Storage mode = average The average of the physical quantity and other measurands assigned to the measuring channel, will be calculated. If the storage rate < 5 s is selected, sample will be used.

  • Page 97: Deletion Of Measured Values

    14 Data logger FLUXUS F501 14.5 Deletion of measured values 14.5 Deletion of measured values Special Funct.\Delete Meas.Val. • Select the menu item Special Funct.\Delete Meas.Val. • Press ENTER. Special Funct.\Delete Meas.Val.\Really Delete? • Select yes or no. • Press ENTER.

  • Page 98: Data Transmission

    15 Data transmission 15.1 FluxDiagReader/FluxDiag FLUXUS F501 Data transmission The data can be transmitted to the PC via the process interface (RS485 (option) or others) or the service interface (RS232) of the transmitter. Tab. 15.1: Data transmission overview program data transmission...
  • Page 99 15 Data transmission FLUXUS F501 15.2 Terminal program 15.2.2 Offline transmission Notice! During the offline transmission only those data is transmitted that is stored in the transmitter. • Start the terminal program. • Enter the transmission parameters into the terminal program. The transmission parameters of the terminal program and the transmitter have to be identical, see section 15.3.

  • Page 100: Transmission Parameters

    15 Data transmission 15.3 Transmission parameters FLUXUS F501 15.3 Transmission parameters • the transmitter sends CRLF-terminated ASCII • max. line length: 255 digits RS232 default: 9600 bits/s, 8 data bits, even parity, 2 stop bits, protocol RTS/CTS (hardware, handshake) The transmission parameters of the RS232 service interface can be changed.

  • Page 101: Data Format

    15 Data transmission FLUXUS F501 15.4 Data format 15.4 Data format Special Funct.\SYSTEM settings\serial transmis.\SER:kill spaces • Select the menu item Special Funct.\SYSTEM settings\serial transmis. • Press ENTER until SER:kill spaces is displayed. • Select on if the space characters are not to be transmitted.
  • Page 102 15 Data transmission 15.5 Data structure FLUXUS F501 Example \DATA A: \*MEASURE; Q_POS; Q_NEG; B: \*MEASURE; Q_POS; Q_NEG; Depending on the storage interval, one data line per activated measuring channel is transmitted. The line "???" will be transmitted if there are no measured values available for the storage interval.

  • Page 103: Advanced Functions

    16 Advanced functions FLUXUS F501 16.1 Totalizers Advanced functions 16.1 Totalizers The total volume or total mass of the fluid at the measuring point can be determined. There are 2 totalizers, one for the positive and the other for the negative flow direction. The unit of measurement used for totalizing corresponds to the volume or mass unit selected for the physical quantity.

  • Page 104: Noisetrek Parallel Beam Mode

    16 Advanced functions 16.2 NoiseTrek parallel beam mode FLUXUS F501 Totalizer overflow The overflow behavior of the totalizers can be set: Special Funct.\SYSTEM settings\Measuring\Quant. wrapping • Select the menu item Special Funct.\SYSTEM settings\Measuring\Quant. wrapping. • Select on to work with overflow.

  • Page 105: Cut-Off Flow

    16 Advanced functions FLUXUS F501 16.4 Cut-off flow Notice! If the upper limit is too low, a measurement might be impossible because most of the measured values will be marked as invalid. 16.4 Cut-off flow The cut-off flow is a lower limit for the flow velocity. All measured flow velocities that are lower than the limit and their derived quantities are set to zero.

  • Page 106: Profile Correction

    16 Advanced functions 16.5 Profile correction FLUXUS F501 16.5 Profile correction The following settings can be made for the calculation of the fluid mechanics calibration factor k • off: profile correction 1.0 • on: profile correction 2.0 at ideal inflow conditions (default) •...

  • Page 107: Diagnosis With The Help Of The Snap Function

    16 Advanced functions FLUXUS F501 16.7 Diagnosis with the help of the snap function FLOW VELOCITY 2.60 • Press ENTER. PROFILE CORR. >no< If yes is selected, the uncorrected flow velocity will only be used if the flow velocity is selected as physical quantity in the program branch Output Options.

  • Page 108: Modification Of The Limit For The Inner Pipe Diameter

    16 Advanced functions 16.8 Modification of the limit for the inner pipe diameter FLUXUS F501 Special Funct.\...\DSP-SignalSnap\Snap ringbuffer • Activate or deactivate the snap ringbuffer. • Press ENTER. Delete snaps Special Funct.\SYSTEM settings\Signal snap\DSP-SignalSnap\Clear Snaps • Select Clear Snaps. • Press ENTER.
  • Page 109 16 Advanced functions FLUXUS F501 16.9 Activation of a binary output as alarm output 16.9.1 Alarm properties The switching condition, the holding behavior and the switching function of an alarm output can be defined. R1=FUNC<typ mode Function: The following 3 scroll lists are displayed: •...
  • Page 110 16 Advanced functions 16.9 Activation of a binary output as alarm output FLUXUS F501 If the switching condition MAX is selected in the scroll list func: R1 Input\Function: MAX\High Limit • Enter the upper limit. • Press ENTER. The alarm will switch if the measured value exceeds the limit.

  • Page 111: Behavior Of The Alarm Outputs

    16 Advanced functions FLUXUS F501 16.10 Behavior of the alarm outputs Example physical quantity: mass flow rate in kg/h Low Limit: 60 kg/h The unit of measurement of the physical quantity is changed to kg/min. The new limit to be entered is 1 kg/min.
  • Page 112 16 Advanced functions 16.10 Behavior of the alarm outputs FLUXUS F501 16.10.4 Alarm outputs during measurement An alarm output with switching condition MAX or MIN will be updated max. once per second to avoid humming (i.e. fluctuation of the measured values around the value of the switching condition).
  • Page 113 16 Advanced functions FLUXUS F501 16.10 Behavior of the alarm outputs Tab. 16.3: Pictograms for the alarm state indication func mode current state (switching condition) (holding behavior) (switching function) NON-HOLD NO Cont. closed HOLD NC Cont. open +→- -→+ QUANT.

  • Page 114: Superuser Mode

    17 SuperUser mode 17.1 Activation/deactivation FLUXUS F501 SuperUser mode The SuperUser mode offers the possibility of an advanced diagnostic of signals and measured values as well as the definition of additional parameters adapted to the measuring point, in order to achieve better measured values or for experimental work.
  • Page 115 17 SuperUser mode FLUXUS F501 17.2 Defining flow parameters Special Funct.\...\Calibration\...\Laminar flow • Enter the max. Reynolds number at which the flow is laminar. The entered number will be rounded to hundreds. Enter zero to use the default value of 1000.

  • Page 116: Limit Of The Signal Amplification

    17 SuperUser mode 17.3 Limit of the signal amplification FLUXUS F501 Special Funct.\...\Calibration\...\Calibration\Slope • If on is selected, enter the slope. The input of zero deactivates the correction. • Press ENTER. Special Funct.\...\Calibration\...\Calibration\Offset • Enter the offset. Enter zero to work without offset.

  • Page 117: Upper Limit Of The Sound Speed

    17 SuperUser mode FLUXUS F501 17.4 Upper limit of the sound speed Notice! The limit of the signal amplification is still activated after the deactivation of the SuperUser mode. 17.4 Upper limit of the sound speed When the plausibility of the signal is evaluated, it will be checked whether the sound speed is within a defined range. The used upper limit of the fluid sound speed is the greatest of the following values: •...

  • Page 118: Detection Of Long Measurement Failures

    17 SuperUser mode 17.5 Detection of long measurement failures FLUXUS F501 17.5 Detection of long measurement failures If there are no valid measured values during a long time interval, new increments of the totalizers will be ignored. The values of the totalizers remain unchanged.

  • Page 119: Manual Reset Of The Totalizers

    17 SuperUser mode FLUXUS F501 17.7 Manual reset of the totalizers 17.7 Manual reset of the totalizers If the manual reset of the totalizers is activated, the totalizers can be reset to zero during the measurement by pressing key C 3 times, even if a program code is activated.

  • Page 120: Displays During The Measurement

    17 SuperUser mode 17.10 Displays during the measurement FLUXUS F501 17.10 Displays during the measurement Besides the normal information, see section 9.4, the following parameters can be displayed during the measurement in the SuperUser mode: display explanation transit time of the measuring signal in the fluid...

  • Page 121: Settings

    18 Settings FLUXUS F501 18.1 Dialogs and menus Settings 18.1 Dialogs and menus Special Funct.\SYSTEM settings\Dialogs/Menus • Select the menu item Special Funct.\SYSTEM settings\Dialogs/Menus. • Press ENTER. Notice! The settings will be stored at the end of the dialog. If the menu item is quit by pressing key BRK, the changes will not be stored.
  • Page 122 18 Settings 18.1 Dialogs and menus FLUXUS F501 18.1.3 Transducer distance Special Funct.\...\Dialogs/Menus\Transd. Distance recommended setting: user • user will be selected if the measuring point is always the same • auto can be selected if the measuring point often changes In the program branch Measuring, the recommended transducer distance will be displayed in parentheses, followed by the entered transducer distance if the recommended and the entered transducer distance are not identical.

  • Page 123: Measurement Settings

    18 Settings FLUXUS F501 18.2 Measurement settings 18.1.7 Settings relating the fluid pressure It is possible to set whether the absolute or the relative pressure is to be used: Special Funct.\...\Dialogs/Menus\Pressure absolut • Select on or off. • Press ENTER.
  • Page 124 18 Settings 18.2 Measurement settings FLUXUS F501 Special Funct.\...\Measuring\Velocity limit An upper limit for the flow velocity can be entered, see section 16.3. • Enter zero to deactivate the flow velocity check. • Press ENTER. Special Funct.\...\Measuring\Cut-off Flow A lower limit for the flow velocity can be entered.

  • Page 125: Libraries

    18 Settings FLUXUS F501 18.3 Libraries Special Funct.\...\Measuring\Toggle totalizer It is possible to set a time period after which the display toggles between the positive and the negative totalizer during the measurement. • Enter a time interval between 0 (off) and 5 s.
  • Page 126 18 Settings 18.3 Libraries FLUXUS F501 18.3.1 Displaying a scroll list Special Funct.\...\Material list\user\Show list • Select Show list. • Press ENTER to display the scroll list as in the program branch Parameter. Special Funct.\...\Material list\user\Show list\Current list= ↕ The current scroll list is displayed in the lower line.

  • Page 127: Contrast Settings

    18 Settings FLUXUS F501 18.4 Contrast settings 18.3.5 Removing all materials/fluids from the scroll list Special Funct.\...\Material list\user\Remove all • Select Remove all to remove all materials/fluids from the scroll list. • Press ENTER. User defined materials/fluids will not be removed.
  • Page 128 18 Settings 18.5 Program code FLUXUS F501 18.5.2 Intervention in the measurement If a program code is activated, the message PROGRAM CODE ACTIVE will be displayed for a few seconds when a key is pressed. If key BRK is pressed: In order to stop a running measurement, the complete program code has to be entered (= Break Code).

  • Page 129: Annex

    Annex FLUXUS F501 A Menu structure Annex Menu structure Program branches Parameter Measuring Output Options Special Funct. Pipe parameters Measuring point number Physical quantity System settings Fluid parameter Number of sound paths Unit of measurement → Dialogs and menus → Measurement...
  • Page 130 Annex A Menu structure FLUXUS F501 Parameter input (see chapter 9) Main menu Parameter Outer Diameter Wall Thickness Pipe Material Lining Lining Liner Thickness Roughness Disturb.distance Medium Medium Temperat. Transducer Type Special Version Standard → Transd. Data 1 → Transd. Data 2 →...
  • Page 131 Annex FLUXUS F501 A Menu structure Measurement settings (see chapter 9) Main menu Output Options Physic. Quant. Unit of measurement Damping UMFLUXUS_F501V1-3EN, 2020-06-30...
  • Page 132 Annex A Menu structure FLUXUS F501 Data logger (see chapter 14) Main menu Main menu Special Funct. Output Options SYSTEM settings ENTER until Store Meas.Data Storing Start logger Ringbuffer Storage Rate Storage mode sample average Main menu Quantity Storage Special Funct.
  • Page 133 Annex FLUXUS F501 A Menu structure Measurement start (see chapter 9) Main menu Measuring Meas.Point No.: PROFILE CORR. [1], Sound Path Transd. Distance Signal test Transd. Distance Measurement display Measurement stop Legend [1] this will only be displayed if uncorr. is selected in the menu item Special Funct.\...
  • Page 134 Annex A Menu structure FLUXUS F501 Configuration of the outputs (see chapter 9) Main menu Main menu Special Funct. Output Options ENTER until SYSTEM settings Current Loop Proc. outputs Install Output Zero-Scale Val. → Current → Binary Full-Scale Val. enable...
  • Page 135 Annex FLUXUS F501 A Menu structure SuperUser mode (see chapter 17) Main menu Special Funct. SYSTEM settings Calibration Measuring Miscellaneous factory user ENTER until Laminar flow Gain threshold Turbulent flow Bad soundspeed Calibration → thresh. → offset ENTER until Slope Do not total.
  • Page 136 Annex A Menu structure FLUXUS F501 Alarm output (see chapter 16) Main menu Main menu Special Funct. Output Options SYSTEM settings ENTER until Proc. outputs Alarm Output Install Output → Binary func mode enable → MAX → QUANT. → +→- -→+ →...

  • Page 137: B Units Of Measurement

    Annex FLUXUS F501 B Units of measurement Units of measurement Length/roughness unit of measurement description millimeter inch inch Temperature unit of measurement description °C degree Celsius °F degree Fahrenheit Pressure unit of measurement description bar(a) bar (absolute) bar(g) bar (relative)
  • Page 138 Annex B Units of measurement FLUXUS F501 Volumetric flow rate unit of measurement description volume (totalized) m³/d cubic meter per day m³ m³/h cubic meter per hour m³ m³/min cubic meter per minute m³ m³/s cubic meter per second m³...
  • Page 139 Annex FLUXUS F501 B Units of measurement Mass flow rate unit of measurement description mass (totalized) ton per hour ton per day kg/h kilogram per hour kg/min kilogram per minute kg/s kilogram per second gram per second lb/d pound per day...

  • Page 140: C Reference

    The following tables provide assistance for the user. The accuracy of the data depends on the composition, temperature and processing of the material. FLEXIM does not assume liability for any inaccuracies. Sound speed of selected pipe and lining materials at 20 °C The values of some of these materials are stored in the internal database of the transmitter.
  • Page 141 Annex FLUXUS F501 C Reference Typical roughness values of pipes The values are based on experience and measurements. material absolute roughness [mm] drawn pipes of non-ferrous metal, glass, plastics and light metal 0…0.0015 drawn steel pipes 0.01…0.05 fine-planed, polished surface max.
  • Page 142 Annex C Reference FLUXUS F501 Properties of water at 1 bar and at saturation pressure fluid temperature fluid pressure sound speed density specific heat capacity [°C] [bar] [m/s] [kg/m³] [kJ/kg/K 1,013 1402.9 999.8 4,219 1,013 1447.3 999.7 4,195 1,013 1482.3 998.2...

  • Page 143: D Conformity Declarations

    Annex FLUXUS F501 D Conformity declarations Conformity declarations UMFLUXUS_F501V1-3EN, 2020-06-30...
  • Page 144 Annex D Conformity declarations FLUXUS F501 2020-06-30, UMFLUXUS_F501V1-3EN...

Table of Contents