SUTO S418-V Manuel

English

Instruction and Operation Manual

S418-V

Compact Thermal Mass Flow Meter

for Vacuum Application

Pro-Inline)

Dear Customer,

Thank you for choosing our product.

Before you start up the device please read this manual in full and

carefully observe instructions stated in this manual. The manufacturer

cannot be held liable for any damage which occurs as a result of non-

observance or non-compliance with this manual.

Should the device be tampered with in any manner other than a

procedure which is described and specified in the manual, the warranty

is void and the manufacturer is e empt from liability.

The device is designed e clusively for the described application.

SUTO offers no guarantee for the suitability for any other purpose.

SUTO is also not liable for consequential damage resulting from the

delivery, capability or use of this device.

2 S418-V

Table of Contents

1 Safety instructions......................................................................4

2 Registered trademarks.................................................................6

3 RF e posure information and statement.........................................7

4 Application.................................................................................8

5 Features....................................................................................8

6 Technical data.............................................................................9

6.1 General data.........................................................................9

6.2 Electrical data.......................................................................9

6.3 Data logger.........................................................................10

6.4 Output signals.....................................................................10

6.5 Accuracy of flow..................................................................10

6.6 Accuracy of pressure............................................................11

7 Dimensional drawing..................................................................11

8 Installation...............................................................................13

8.1 Installation Considerations....................................................13

8.2 LED indicators.....................................................................14

8.3 Electrical connection ..........................................................14

9 Sensor signal outputs................................................................16

9.1 Analog output.....................................................................16

9.2 Pulse output.......................................................................16

9.3 Modbus Interface.................................................................18

9.3.1 Modbus Information.......................................................18

9.3.2 Connect Several S418-V to Modbus Master.......................19

9.3.2.1 Modbus/RTU Cable Length.........................................19

9.3.2.2 Modbus/RTU Wiring and Cable Type............................19

9.3.2.3 Create Daisy-Chain using RS-485 Splitter....................20

9.3.2.4 Topology of Modbus/RTU Daisy-Chain.........................21

10 Configuration..........................................................................23

11 Read and analysis of measurement data.....................................24

11.1 Features...........................................................................24

11.2 Operations........................................................................25

11.2.1 Logger configuration.....................................................25

11.2.2 Data read-out and analysis............................................25

12 Calibration..............................................................................27

13 Disposal or waste....................................................................27

14 Appendi - Specifications..........................................................28

14.1 Vacuum flow ranges...........................................................28

14.2 Error codes.......................................................................29

14.3 Order table.......................................................................29

S418-V 3

1 Safety instructions

Please check if this instruction manual matches with the

product type.

Please observe all notes and instructions indicated in this

manual. It contains essential information which must be

observed before and during installation, operation and

maintenance. Therefore this instruction manual must be read carefully

by the technician as well as by the responsible user / qualified

personnel.

This instruction manual must be available at the operation site of the

flow sensor at any time. In case of any obscurities or questions,

regarding this manual or the product, please contact the manufacturer.

WARNING!

Compressed air!

Any contact with quickly escaping air or bursting

parts of the compressed air system can lead to

serious injuries or even death!

•Do not e ceed the ma imum permitted pressure range (see

sensors label).

•Only use pressure tight installation material.

•Avoid that persons get hit by escaping air or bursting parts of the

instrument.

•The system must be pressureless during maintenance work.

WARNING!

Voltage used for supply!

Any contact with energized parts of the product, may

lead to an electrical shock which can lead to serious

injuries or even death!

•Consider all regulations for electrical installations.

•The system must be disconnected from any power supply during

maintenance.

•Any electrical work on system is only allowed by authorized

qualified personal.

4 S418-V

1 Safety instructions

ATTENTION!

Permitted operating parameters!

Observe the permitted operating parameters, any

operation exceeding this parameters can lead to

malfunctions and may lead to damage on the

instrument or the system.

•Do not e ceed the permitted operating parameters.

•Make sure the product is operated in its permitted limitations.

•Do not e ceed or undercut the permitted storage and operation

temperature and pressure.

•The product should be maintained and calibrated frequently, at

least annually.

General safety instructions

•It is not allowed to use the product in e plosive areas.

•Please observe the national regulations before/during installation

and operation.

Remarks

•It is not allowed to disassemble the product.

ATTENTION!

Measurement values can be affected by malfunction!

The product must be installed properly and

frequently maintained, otherwise it may lead to

wrong measurement values, which can lead to

wrong results.

•Always observe the direction of the flow when installing the

sensor. The direction is indicated on the housing.

•Do not e ceed the ma imum operation temperature at the sensors

tip.

•Avoid condensation on the sensor element as this will affect

accuracy enormously.

S418-V 5

1 Safety instructions

Storage and transportation

•Make sure that the transportation temperature is between

-30 ... +70°C.

•For storage and transportation it is recommended to use the

packaging which comes with the sensor.

•Please make sure that storage temperature of the sensor is

between -10 ... +50°C.

•Avoid direct UV and solar radiation during storage.

•For the storage the humidity must be <90%, no condensation.

2 Registered trademarks

Trademark Trademark owner

SUTO®SUTO iTEC

MODBUS®Modbus Organization, Hopkinton, USA

Android™,

Google Play

Google LLC

6 S418-V

3 RF exposure information and statement

This equipment complies with FCC RF radiation e posure limits set forth

for an uncontrolled environment. This equipment should be installed

and operated with minimum distance of 20 cm between the radiator and

your body.

This device complies with part 15 of the FCC rules. Operation is subject

to the following two conditions: (1) this device may not cause harmful

interference, and (2) this device must accept any interference received,

including interference that may cause undesired operation.

NOTE: The manufacturer is not responsible for any radio or TV

interference caused by unauthorized modifications to this equipment.

Such modifications could void the user’s authority to operate the

equipment.

NOTE: This equipment has been tested and found to comply with the

limits for a Class B digital device, pursuant to part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against

harmful interference in a residential installation. This equipment

generates uses and can radiate radio frequency energy and, if not

installed and used in accordance with the instructions, may cause

harmful interference to radio communications. However, there is no

guarantee that interference will not occur in a particular installation. If

this equipment does cause harmful interference to radio or television

reception, which can be determined by turning the equipment off and

on, the user is encouraged to try to correct the interference by one or

more of the following measures:

•Reorient or relocate the receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different

from that to which the receiver is connected.

•Consult the dealer or an e perienced radio/TV technician for

help

•This device and its antenna(s) must not be co-located or

operating in conjunction with any other antenna or transmitter.

S418-V 7

4 Application

The S418-V is a Compact Thermal Mass Flow Meter that is designed to

measure the actual flow at the low pressure side of vacuum pumps

within the permissible operating parameters (in chapter 6 Technical

data).

The S418-V can measure the following values:

•Absolute volumetric flow (default unit: al/min)

•Total consumption (default unit: m3)

•Absolute pressure (default unit: bar)

Other units are configurable using the service app S4C-FS, which can be

downloaded from the Google Play store or our Website. For more

information, see chapter 10.

5 Features

•Inline thermal mass flow sensor virtually independent of pressure

and temperature changes.

•Process connection of G-type thread with DN8, DN15, DN20 and

DN25 available

•Very short response time.

•Particularly suitable for measuring at the point-of-use at the low

pressure side of vacuum pumps.

•Integrated display showing actual volumetric flow and absolute

pressure.

•Options for output signals:

•Analogue 4 … 20 mA and pulse output

•Modbus interface

•M-Bus interface

•Bluetooth interface for remote sensor settings

•Configurable through Android or iOS devices

•Embedded data logger capable of recording 5-million

measurement samples

8 S418-V

6 Technical data

6.1 General data

FCC ID: 2ASK2-SUTO-003

Parameters Flow: Actual volumetric flow: l/min, m3/h,

m3/min, cfm

Consumption: m3, ft3

Medium pressure: bar, psi

Principle of measurement Thermal mass flow

Sensor Glass coated resistive sensor

Measuring medium Air

Ambient temperature

/Transport temperature

0 ... +50°C / -30 ... +70°C

Medium conditions 0 ... +50°C, rH<90% no condensation

Pressure range 0.01 ... 1.60 bar(a)

Material Process connection: aluminum alloy

Wetted parts: aluminum alloy

Top casing: PC + ABS

Protection class IP54

Dimensions See dimensional drawing on page 11.

Display 4-digit LED display

Tube diameter DN8, DN15, DN20, DN25

Process connection: G inner thread ISO 228-1

Weight 0.43 kg (DN8), 0.46 kg (DN15)

0.96 kg (DN20), 0.97 kg (DN25)

6.2 Electrical data

Power supply 15 ... 30 VDC, 120 mA @ 24 VDC

S418-V 9

6 Technical data

6.3 Data logger

Memory size Up to 8,000,000 samples.

Recording channels Up to 3 channels: Flow, consumption, and

pressure.

Logger programming Through mobile app S4C-FS

(Free for download on Google Play Store and

SUTO Website)

Logger readout Through the software S4A via USB

(Downloadable on the SUTO website)

6.4 Output signals

Analogue output Signal: 4 ... 20 mA, isolated

Scaling: 0 to ma flow

Ma load: 250R

Pulse output 1 pulse per consumption unit (m3 or ft3)

isolated switch, ma . 30 VDC, 200 mA

(pulse length: 10 ... 120 ms, depends on flow

rate)

Modbus output See section 9.3.

6.5 Accuracy of flow

Accuracy* ±(1.5% of reading + 0.3% FS)

Temperature coefficient < 0.1%/K FS

Pressure coefficient <0.5% / bar

Turndown ratio 100:1

Stated accuracy at Ambient/process temperature 23 °C ± 3 °C

Ambient/process humidity <90%

Process pressure at 0.6 MPa(g)

Repeatability ± 0.5% of reading

Sampling rate 10 samples / second

* The specified accuracy is valid only within the minimum and ma imum

flow rates that are indicated in section 14.1.

10 S418-V

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