SUTO S421 Manual

English
Instruction and operation manual
S421
Thermal mass flow sensor

Dear Customer,
Thank you for choosing our product.
Please read this manual in full and carefully observe the operating
instructions before starting up the device. 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 S421

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................................................................................9
6.2 Electrical Data.....................................................................10
6.3 Output-Signals....................................................................10
6.4 Accuracy ...........................................................................10
6.5 Volumetric flow ranges.........................................................10
7 Dimensional drawing.................................................................12
8 Installation considerations..........................................................15
8.1 Inlet and Outlet sections.......................................................15
9 Sensor Installation ..................................................................19
9.1 Installing the S421..............................................................19
9.2 Removing the S421 ............................................................20
9.3 Electrical connection ..........................................................21
9.3.1 M12 connection pins.......................................................21
9.3.2 Ethernet connection.......................................................23
10 Sensor signal outputs...............................................................25
10.1 Analog output...................................................................25
10.2 Pulse output......................................................................25
10.2.1 Pulse Connection Diagrams (A1410)...............................27
10.2.2 Pulse Connection Diagrams (A1413)...............................28
10.3 Modbus output..................................................................30
11 Sensor display (optional)..........................................................32
11.1 Starting process................................................................32
11.2 Configuration using the display............................................33
12 Service App S4C-FS.................................................................34
13 Calibration..............................................................................35
14 Maintenance...........................................................................35
15 Disposal or waste....................................................................35
16 Appendi A Modbus communication e ample...............................36
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1 Safety instructions
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.
WAR I G!
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.
WAR I G!
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.
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1 Safety instructions
ATTE TIO !
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.
•Always use spanner to mount the product properly.
ATTE TIO !
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.
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