Fuji Electric FSV User Manual

ULTRASONIC FLOWMETER

TYPE: FSV-2, FSS, FLYD

The latest advance in high performance

transit time flow measurement

Superior signal processing and

best-in-class anti-bubble performance

in a compact and lightweight package

TIME DELTA-C

Detector (FSSC)

■

High accuracy measurement : 1.0% of rate

■

Superior anti-bubble performance : Our Advanced ABM method

Maintenance free operation : Non-invasive setup with no moving parts

■

Compact and lightweight : Size and mass reduced by 2/3 (compared with model FLV).

■

Flexible communication functions : RS-485 (MODBUS) (option)

■

Wide application range : φ13 to φ6000mm applicable pipe diameters

■

Extendable rail type detector up to φ50 to φ1200mm

Quick and easy setup : Simple menu guided setup from the front panel or PC interface

■

＊ Advanced ABM method: anti-bubble measuring method.

＊

Flow transmitter (FSV...S)

is adopted.

21A1-E-0016b

●Advanced received signal digital processing results in higher performance

Applicable pipe diameter is

High accuracy measurement of ﬂuid ﬂow rate: 1.0% of rate

■

Quick response: 0.2 sec. or less (quick response mode)

■

Minimal Inﬂuence by the pressure of measured ﬂuid and temperature

■

Superior anti-bubble performance

■

13mm to

■

(Advanced AMB method ＊ is adopted.)

Advanced ABM method: anti-bubble measurement method

＊

flow measurement

Normal propagation

Propagation interrupted by bubble

6000mm

Measuring principle

With ultrasonic pulses propagated diagonally between the upstream and downstream sensors mounted on the exterior of the pipe, the ﬂow rate is measured by detecting the time difference caused by the ﬂow.

Flow

Received signal :

Summed 128 or 256 times

Digital data of the received signals : v

Synchronized summation of received signals

Flow

Bubble

for a single output

Received signal :

Nothing

Bubble

In the case of an analog system, measurement

failure will occur.

Sensor Sensor

Acceptable value

of bubble quantity

[vol.%]

1.2

1.0 2.0 3.0 4.0 5.0

(Note) Flowmeter indicates the volumetric flow rate, including bubbles.

7.0

Advanced ABM method

4.0

Conventional method

0.4

0.03

1.5

0.02

Explanation of the extendable rail type detector

Normal Extended on rails Z method

1.0

0.02

Flow velocity [m/s]

(type: FSSC)

pipe diameter φ50 to φ300mm <V method> pipe diameter up to φ600mm <V method> pipe diameter up to φ1200mm <Z method>

(A detector is simply attached to the exterior of the piping.)

Classiﬁcation Appearance Detector type

Extendable rail

type

Compact type

Small

diameter type

High

temperature

type

Large

diameter type

FSSC

FSSA

FSSD

FSSH

FSSE

Applicable pipe inner diameter (mm)

50 to φ1200

25 to φ225

13 to φ100

50 to φ400

200 to φ6000

(rail removed)

Measured ﬂuid temperature

20 to 120°C

20 to 100°C

40 to 100°C

40 to 200°C

40 to 80°C

Mounting/structure

V or Z method mounting

・

Jet structure (equivalent to

・

IP65)

Submersible type available

・

V method mounting

・

Jet structure (equivalent to

・

IP65)

V mounting method

・

Splash-proof structure

・

(equivalent to IP52)

V or Z method mounting

・

Splash-proof structure

・

(equivalent to IP52)

V or Z method mounting

・

Watertight structure

・

(equivalent to IP67)

Submersible type available

・

Normal: green / Extraordinary: Red

Instantaneous flow velocity value (8-digit display)

Total flow rate value (8-digit display)

Waterproof keypad

Both the mass and volume of the ow transmitter are reduced by 2/3!

Compact and lightweight ﬂow transmitter (1/3 size of model FLV)

■

Easy to carry and install on a system

170mm

220mm

Mass: approx 4.5kg Mass: approx 1.5kg

230mm

Operation can be performed from the outside panel

■

(In case of IP66 type)

Various settings can be made from the front side without opening the cover of the flow transmitter. (Parameter setting , input of mou nted pipe data, automatic calculation of mounting dimensions and similar)

LCD display with backlight is clearly legible, even in dark places.

Signal and process interfaces are designed with functionality as priority.

■

Input signal from the detector

Parameter setting and data collection can be

■

performed via optional PC communications interface.

RS485

CommunicationCommunication

Analog output 1 point (4 to 20mA, insulated)

(max. load resistance: 600Ω)

Transistor contact 2 points (insulated)

Output frequency: 100P/s max., pulse width 5 to 1000ms)

Communication signal (RS485 communication)

(Insulated)

142mm

Mounting method: wall or pipe mounting



PC loader software for the setting of various parameters and the collection of measured data is a standard accessory

Power supply voltage (with arrester, 100 to 240VAC or 20 to 30VDC)

Fully equipped with extensive functions

■

Zero adjustment one-touch adjustment while the ﬂow is stopped

Damping

Low ﬂow rate cut Output may be cut when the ﬂow rate is low. Setting range: 0 to 5m/s (setting in 0.01m/s unit)

Alarm contact output Contact output at condition of hardware and process faults

Output burnout

Forward and backward ranges Ranges may be set arbitrarily. The digital output of the operation range is available.

Auto 2-range 2 forward ranges are independently conﬁgurable. Digital output of operation is available.

Flow switch Contact output is made when the upper or lower limit values of the instantaneous ﬂow rate are reached

Total value switch Contact output is made when the upper limit value of the total ﬂow rate (forward) exceeds the setting value.

Display of various units Unit may be set in

Multilingual display