Flexim FLUXUS F704**-F2 Series User Manual

User Manual
UMFLUXUS_F7V4-6-2EN
Ultrasonic Flowmeter
for Liquids
FLUXUS F704**-NN
FLUXUS F704**-A2
FLUXUS F704**-F2
FLUXUS F706**-NN
FLUXUS F706**-A2
FLUXUS F706**-F2
FLUXUS F705**-NN
FLUXUS F705**-A2
FLUXUS F705**-F2
FLUXUS F709**-NN

Flexim FLUXUS F704**-F2 Series Specifications

General

Measuring Principle	Ultrasonic transit-time difference
Flow Velocity Range	0.01 to 25 m/s
Outputs	4-20 mA, pulse, frequency, relay
Power Supply	24 V DC or 100-240 V AC
Inputs	4-20 mA, RTD
Communication	HART, Modbus
Degree of protection	IP65
Temperature Range	-40 to +200 °C
Pressure Range	Depending on pipe material

Summary

1 Introduction

1.2 Safety Instructions

Crucial safety information and warnings for operating the ultrasonic flowmeter.

2 Handling

2.2 General Precautions

Important precautions for handling the precision measuring instrument to ensure proper function.

5 Selection of the Measuring Point

5.2 Undisturbed Flow Profile

Importance of selecting measuring points away from flow disturbance sources.

6 Installation

6.1 Location

Selecting the appropriate location for the measuring point and transmitter.

6.4 Transducers

Procedures for mounting and preparing the ultrasonic transducers.

6.5 Temperature Probe

Instructions for preparing and installing the temperature probe.

7 Connection

7.1 Transducers

Connecting the transducer cables to the transmitter, extension cable, or junction box.

7.3 Power Supply

Procedures for connecting the power supply cable to the transmitter.

7.5 Inputs

Connecting external sensors to analog and binary inputs.

8 Start-up of the Transmitter

8.2 Initialization

Steps for initializing the transmitter to default settings.

9 Basic Measurement

9.1 Input of the Pipe Parameters

Entering essential pipe dimensions like diameter, wall thickness, and material.

9.2 Input of the Medium Parameters

Defining medium properties such as sound speed, viscosity, and density.

9.6 Transducer Distance

Adjusting the distance between transducers for optimal measurement.

9.7 Start of the Measurement

Initiating the measurement process.

10 Displaying the Measured Values

10.1 Selection of the Physical Quantity and of the Unit of Measurement

Choosing which physical quantities and units to display.

11 Advanced Measuring Functions

11.4 Upper Limit of the Flow Velocity

Setting an upper limit to ignore high flow velocity outliers.

11.5 Cut-off Flow

Defining a lower limit below which flow velocities are set to zero.

11.7 Measurement of Highly Dynamic Flows (FastFood Mode)

Using FastFood mode for flows with high dynamics.

11.10 Remote Functions

Configuring remote functions triggered by binary inputs.

11.11 Program Code

Protecting measurements and settings with a program code.

12 Data Logger and Transmission of Data

12.1 Data Logger

12.2 Transmission of Data

14 Settings

14.3 Measurement Settings

Adjusting various measurement parameters like damping, cut-off flow, and turbulence mode.

15 SuperUser Mode

15.1 Activation/Deactivation

15.3 Defining the Flow Parameters

Setting advanced flow parameters like profile bounds and velocity correction.

15.4 Limit of the Signal Amplification

15.5 Upper Limit of the Sound Speed

15.8 Temperature-Based Heat Flow Cut-Off

16 Heat Flow Measurement

16.1 Calculation of the Heat Flow Rate

16.4 Measurement

17 Inputs

17.2 Analog Inputs

18 Outputs

18.1 Installation of an Output

18.6 Activation of a Binary Output as an Alarm Output

19 Troubleshooting

The display does not work at all or fails regularly

The message SYSTEM ERROR is displayed

A measurement is impossible or the measured values substantially differ from the expected values

Diagnosing issues causing measurement impossibility or significant value deviations.

19.1 Problems with the Measurement

Common problems encountered during measurement and their solutions.

19.5 Large Deviations of the Measured Values

Identifying causes for significant deviations in measured values.

19.6 Problems with the Totalizers