SUTO S401 Manuel
English
Instruction and operation manual
S401
Thermal mass flow sensor
Dear Customer,
Thank you for choosing our product.
Please read the operating instructions in full and carefully observe them
before starting up the device. The manufacturer cannot be held liable for
any damage that occurs as a result of non-observance or non-
compliance with this manual.
hould the device be tampered with in any manner other than a
procedure that is described and specified in the manual, the warranty is
void and the manufacturer is exempt from liability.
The device is designed exclusively for the described application.
UTO offers no guarantee for suitability for any other purpose. UTO is
also not liable for consequential damage resulting from the delivery,
capability, or use of this device.
2 S401
Table of Contents
1 afety instructions......................................................................4
2 Registered trademarks.................................................................6
3 RF exposure 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.........................................................11
7 Dimensional drawing..................................................................12
8 Determining the installation point................................................13
8.1 Reserving the required inlet and outlet sections.......................14
9 Installation ..............................................................................16
9.1 Installation requirements......................................................16
9.2 Installation procedure .........................................................17
9.2.1 Calculating the installation depth..................................17
9.2.2 Installing the sensor....................................................19
9.2.3 Removing the sensor...................................................20
9.3 Electrical connection............................................................20
9.3.1 M12 connection pins...................................................21
9.3.2 Ethernet connection....................................................23
10 ensor 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).............................27
10.3 Modbus output..................................................................29
10.4 M-Bus output....................................................................30
11 Configuration..........................................................................31
11.1 Using the service app 4C-F ..............................................31
11.2 Using the sensor display (optional)......................................32
11.2.1 tart-up...................................................................33
11.2.2 Operations...............................................................34
11.2.3 Menu map................................................................35
12 Calibration..............................................................................37
13 Maintenance...........................................................................37
14 Disposal or waste....................................................................37
15 Appendix A - Modbus communication example............................38
S401 3
1 Safety instructions
1 Safety instructions
Please check if this instruction manual matches 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 exceed the maximum permitted pressure range (see the
sensors label).
•Only use the pressure-tight installation material.
•Avoid that persons get hit by escaped air or bursting parts of the
instrument.
•The system must be pressure-less during maintenance work.
WARNING!
Voltage used for supply!
Any contact with energized parts of the product
might 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 the system is only allowed by authorized
qualified personal.
4 S401
1 afety instructions
ATTENTION!
Permitted operating parameters!
Observe the permitted operating parameters Any
operation exceeding these parameters can lead to
malfunctions and might lead to damage to the
instrument or the system
•Do not exceed the permitted operating parameters.
•Make sure the product is operated in its permitted limitations.
•Do not exceed or undercut the permitted storage and operating
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 explosive areas.
•Please observe the national regulations before/during installation
and operation.
Remarks
•It is not allowed to disassemble the product.
•Always use a spanner to mount the product properly.
ATTENTION!
Measurement values can be affected by malfunction!
The product must be installed properly and
frequently maintained, otherwise it might lead to
wrong measurement values, which can lead to a
wrong result
•Always observe the direction of the flow when installing the
sensor. The direction is indicated on the housing.
•Do not exceed the maximum operating temperature at the sensor
tip.
•Avoid condensation on the sensor element as this will affect
accuracy enormously.
S401 5
1 Safety instructions
Storage and transportation
•Make sure that the transportation temperature of the sensor
without the display is between -30 ... +70°C and with the display
between -10 ... +50°C.
•For storage and transportation, it is recommended to use the
packaging which comes with the sensor.
•Please make sure the 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%, with no
condensation.
2 Registered trademarks
UTO®
Registered trademark of UTO iTEC
MODBU ®
Registered trademark of the Modbus Organization, Hopkinton, U A
HART®
Registered trademark of the HART Communication Foundation, Austin,
U A
PROFIBU ®
Registered trademark of the PROFIBU User Organization, Karlsruhe,
Germany
Bluetooth® word mark and logos
Registered trademarks of Bluetooth IG, Inc.
Android™, Google Play
Trademarks of Google LLC
6 S401
3 RF exposure information and statement
3 RF exposure information and statement
This equipment complies with FCC RF radiation exposure 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 might not cause harmful
interference, and (2) this device must accept any interference received,
including interference that might cause undesired operation.
Remark: The manufacturer is not responsible for any radio or TV
interference caused by unauthorized modifications to this equipment.
uch modifications could void the user’s authority to operate the
equipment.
Remark: 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, might 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 experienced 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.
S401 7
4 Application
4 Application
The 401 is the insertion-type flow sensor that is designed to measure
the consumption of compressed air and gases within the permissible
operating parameters. ( ee chapter 6 Technical data on the next page.)
The 401 can measure the following values for the compressed air or
gas:
•Volumetric flow (default unit: m3/h).
•Total consumption (default unit: m3).
Other units are configurable using the 4C-F service app or the
optional display.
The 401 flow sensor is mainly used in compressed air or gas systems
in the industrial environments, and is not developed to be used in
explosive areas. For the use in explosive areas please contact the
manufacturer.
5 Features
•Insertion type flow sensor for easy installations under pressure
through a ball valve.
•Thermal mass flow measurement, virtually independent of
pressure and temperature changes.
•IP65 casing for robust protection in the industrial environment.
•Very fast response time.
•High accuracy and wide measuring ranges. pecial ranges available
on request.
•Tube diameters from 1/2” to 12”. Larger diameters available on
request.
•Optional display on the sensor head, showing volumetric flow and
consumption.
•Various options for signal outputs, such as Analog and pulse,
Modbus RTU, Modbus TCP, or M-Bus.
•Optional Power over Ethernet (PoE) for the Modbus TCP output.
8 S401
6 Technical data
6 Technical data
6 1 General
FCC ID: 2A K2- UTO-001
Parameters tandard unit (flow): m3/h
Other units (flow): m3/min, l/min, l/s, cfm,
kg/h, kg/min, kg/s
Units (Consumption ): m3, ft3 , kg
Reference conditions I O1217 20°C 1000 hPa ( tandard-Unit)
DIN1343 0°C 1013.25 hPa (Norm-Unit)
Principle of
measurement
Thermal mass flow
ensor Glass-coated resistive sensor
Measuring medium Air, gas (non corrosive gas)
Range versions tandard range: 92.7 m/s
Max range: 185 m/s
High speed range: 220 m/s
Low range: 1/3 of standard range
Vacuum / Atmospheric range: 1/3 of standard
range
Operating temperature -30 ... +140°C fluid temperature
-30 ... +70°C casing
-10 ... +50°C display (optional)
Humidity of the meas.
medium
< 90%, no condensation
Operating pressure Up to 5.0 MPa (> 1.6 MPa needs the installation
device)
Housing material PC + AB
Material of the probe
tube, probe tip (wetted
parts)
tainless steel 1.4404 ( U 316L)
Protection class IP65
Dimensions ee dimensional drawing on page 12.
Display (optional) 2.4” color graphics display with keypad
S401 9
6 Technical data
Tube diameter 1/2” to 12” (bigger diameters available on
request)
Process connection G1/2” (I O 228/1)
Weight 0.9 kg (220 mm standard)
0.85 kg (160 mm), 0.95 kg (300 mm),
1.0 kg (400 mm)
6 2 Electrical data
Power supply 15 ... 30 VDC, 200 mA
44 ... 57 VDC, 120 mA (PoE)
6 3 Output signals
Analogue output ignal: 4 ... 20 mA, isolated
caling: 0 to max flow
Max load: 250R
Pulse output 1 pulse per consumption unit, isolated switch,
max. 30 VDC, 200 mA (pulse length: 10 ... 120
ms, depends on flow rate)
Modbus output ee section 10.3 on page 29.
M-Bus output ee section 10.4 on page 30.
6 4 Accuracy
Accuracy* ±(1.5% of reading + 0.3% F ) (optional 1% of
reading)
Temperature drift: < 0.05%/K
tated accuracy at Ambient/process temperature 23°C ± 3°C
Ambient/process humidity <90%
Process pressure at 0.6 MPa
Repeatability ± 0.25% of reading
*pecified accuracy is valid only within the minimum and maximum flow
rates that are indicated in section 6.5 on the next page.
10 S401
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