SUTO S401 Instruction And Operation Manual
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SUTO S401 Instruction And Operation Manual

Thermal mass flow sensor
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Instruction and operation manual
S401
Thermal mass flow sensor

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Summary of Contents for SUTO S401

  • Page 1 English Instruction and operation manual S401 Thermal mass flow sensor...
  • Page 2 The device is designed exclusively for the described application. SUTO offers no guarantee for suitability for any other purpose. SUTO is also not liable for consequential damage resulting from the delivery, capability, or use of this device.

  • Page 3: Table Of Contents

    10.4 M-Bus output..............30 11 Configuration................31 11.1 Using the service app S4C-FS..........31 11.2 Using the sensor display (optional)........32 11.2.1 Start-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...

  • Page 4: Safety Instructions

    • 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. S401...
  • Page 5 • 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...

  • Page 6: Registered Trademarks

    • Avoid direct UV and solar radiation during storage. • For the storage, the humidity must be <90%, with no condensation. 2 Registered trademarks SUTO ® Registered trademark of SUTO iTEC MODBUS ® Registered trademark of the Modbus Organization, Hopkinton, USA HART ®...

  • Page 7: Rf Exposure Information And Statement

    • 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...

  • Page 8: Application

    Other units are configurable using the S4C-FS service app or the optional display. The S401 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.

  • Page 9: Technical Data

    Up to 5.0 MPa (> 1.6 MPa needs the installation device) Housing material PC + ABS Material of the probe Stainless steel 1.4404 (SUS 316L) tube, probe tip (wetted parts) Protection class IP65 Dimensions See dimensional drawing on page 12. Display (optional) 2.4” color graphics display with keypad S401...

  • Page 10: Electrical Data

    Ambient/process temperature 23°C ± 3°C Ambient/process humidity <90% Process pressure at 0.6 MPa Repeatability ± 0.25% of reading Specified accuracy is valid only within the minimum and maximum flow rates that are indicated in section on the next page. S401...

  • Page 11: Volumetric Flow Ranges

    • To calculate flow ranges based on pipe sizes and reference conditions in your site, download and install the "Flow range calculator" tool for free from http://www.suto-itec.com. • To fast access the tool download page, enter "flowrange" (without spaces) in the search field and click the search result.

  • Page 12: Dimensional Drawing

    7 Dimensional drawing 7 Dimensional drawing S401...

  • Page 13: Determining The Installation Point

    • The sensor is for indoor use only! At an outdoor installation, the sensor must be protected from solar radiation and rain. • It is strongly recommend not to install S401 permanently in wet environment such as the place right after a compressor outlet.

  • Page 14: Reserving The Required Inlet And Outlet Sections

    The S401 sensors should be always installed upstream from obstacles such as valves, filter, reductions etc. In common, sensors must be installed as far as possible away from any disturbances.
  • Page 15 • 3 dimensional Bend • T-piece • Shut-off valve • Filter or similar (unknown objects) S401...

  • Page 16: Installation

    To install the sensor, a ball valve and a nozzle are needed: • The inner thread must be G 1/2”. • The diameter of the nozzle must be ≥ 13 mm. Otherwise the shaft can not be inserted in. S401...

  • Page 17: Installation Procedure

    ; OD is Outer Diameter of the pipe y=length of the ball valve Calculation example: A 2”-diameter pipe and an 87 mm- length ball valve: OD=60.3 mm 60.3 mm =30.15 mm y=87 mm ; Insertion depth = 30.15 mm +87 mm=117.15 mm S401...
  • Page 18 = length of the ball valve Calculation example: A 12”-diameter pipe with the wall thickness of 9 mm and a 87 mm- length ball valve. x=9 mm ; y=87 mm Insertion depth = 9 mm+ 87 mm+100 mm=196 mm S401...

  • Page 19: Installing The Sensor

    8. With the aid of the alignment key, make sure that the actual flow direction is same as the arrow shows. (The angle deviation should not be larger than ±2°.) S401...

  • Page 20: Removing The Sensor

    5. Release the connection head and pull the flow sensor out of the pipe. 9.3 Electrical connection The flow sensor comes with connectors "A" and "B" through which the sensor is connected with external control devices such as PLC. Connector A Connector B S401...

  • Page 21: M12 Connection Pins

    A = M12 (5-pin); B = M12 (5-pin) Pulse compatible to S400 A = M12 (5-pin); A1424 Modbus TCP B = M12 (8-pin X-coded) General connection pins, male Ethernet connection pins, male (View onto the sensor connector) (View onto the sensor connector) S401...
  • Page 22 Modbus RTU data - Positive 4 ... 20 mA signal M-Bus: M-Bus data Negative 4 ... 20 mA signal Not applicable Pulse output ATTENTION! Do not screw the M12 connector using force. Otherwise it might damage the connecting pins. S401...

  • Page 23: Ethernet Connection

    When Modbus TCP is chosen as the sensor output, a 5 m 8-pore cable is supplied in the delivery package. The has the M12 and RJ45 plugs on the ends. RJ45 is used to connect the sensor to a PoE switch. Front view of the M12 plug, female S401...
  • Page 24 Orange (O) Rx+ / -Vb / +Vb White-Green (W-G) Pair 3 Rx- / -Vb / +Vb Green (G) NA / -Vb White-Brown (W-BR) Pair 4 NA / -Vb Brown (BR) NA/ +Vb White-Blue (W-BL) Pair 1 NA/ +Vb Blue (BL) S401...

  • Page 25: Sensor Signal Outputs

    The sensor outputs one pulse per a consumption unit. This pulse output can be connected to an external pulse counter to count the total consumption. The number of m per second are summed up and indicated after one second. Pulse length depends on the flow rate. S401...
  • Page 26 10 Sensor signal outputs In case that the flow rate is too high, the S401 cannot output the pulses with default settings (one pulse per consumption unit). In this case, you can set the pulse to 1 pulse per 10 consumption units or 1 pulse per 100 consumption units, using the S4C-FS service app or a connected display.

  • Page 27: Pulse Connection Diagrams (A1410)

    10 Sensor signal outputs 10.2.1 Pulse connection diagrams (A1410) Using the isolated pulse switch (Connector B, Pin 2 and 3) Variant 1: Variant 2: 10.2.2 Pulse connection diagrams (A1413) Using the isolated pulse switch (Connector B, Pin 4 and 5) Variant 1: S401...
  • Page 28 10 Sensor signal outputs Variant 2: Using the pulse output P+ (Connector A, Pin 5) Variant 1: Variant 2: *GND of the external pulse counter might be connected to -V of the sensor. S401...

  • Page 29: Modbus Output

    Holding register (Modbus RTU and Modbus TCP) Register Channel description Resolution Format Length address Flow FLOAT 4-Byte Consumption UNIT32 4-Byte Reverse consumption UNIT32 4-Byte Flow Direction Indication* UNIT32 4-Byte * Value 0 identifies same direction and 1 identifies reverse direction. S401...

  • Page 30: M-Bus Output

    : 8-digit serial number of the sensor Manufacturer Code : 0x15C4 M-Bus version Baud rate : 2400 Response delay (ms) Response timeout (ms) : 100 Receive timeout (ms) : 500 Value register M-Bus Addr. Description Data bytes Total consumption 4-byte Flow 4-byte M-Bus status 4-byte S401...

  • Page 31: Configuration

    S4C-FS is an Android-based app that enables you to view online measurements and change settings for SUTO flow meters wirelessly. Download S4C-FS from Google Play Store or SUTO website, and install it as you do for any apps on your Android devices.

  • Page 32: Using The Sensor Display (Optional)

    • Change the sensor settings. Operation keys Enter key Press for >3 seconds to enter the configuration mode. Press to confirm your selection. Up key Press to choose a parameter item, entry box, or to adjust the value. Down key S401...

  • Page 33: Start-Up

    Icons shown in the status bar Indicate status or warnings for the sensor in service. Icon Description Icon Description Calibration expired Pressure sensor damaged Temperature over Temperature sensor operating range damaged Flow over measuring Flow direction range Pressure over operating range S401...

  • Page 34: Operations

    3. Use the “Up” and “Down” keys to choose a setting that needs to be changed. 4. Use the “Up” and “Down” keys to select a desired setting and adjust its value. 5. Press the “Enter” key to confirm the changes. S401...

  • Page 35: Menu Map

    11 Configuration 11.2.3 Menu map S401...
  • Page 36 11 Configuration S401...

  • Page 37: Calibration

    The sensor, the accessories and its packings must be disposed according to your local statutory requirements. The dispose can also be carried by the manufacturer of the product, for this please contact the manufacturer. S401...

  • Page 38: Appendix A - Modbus Communication Example

    Coil address Hi 1 byte Coil address Hi 1 byte Coil address Lo 1 byte Coil address Lo 1 byte Data Hi 1 byte Data Hi 1 byte Data Lo 1 byte Data L 1 byte 2 bytes 2 bytes S401...
  • Page 39 1 byte Slave address 1 byte Function code 1 byte Function code 1 byte 2 bytes Byte count 1 byte Slave ID 2 bytes Device run 2 bytes indicator Product code 2 bytes Product name 20 bytes 2 bytes S401...
  • Page 40 SUTO iTEC GmbH SUTO iTEC (ASIA) Co., Ltd. Grißheimer Weg 21 Room 10, 6/F, Block B, Cambridge Plaza D-79423 Heitersheim 188 San Wan Road, Sheung Shui, N.T. Germany Hong Kong Tel: +49 (0) 7634 50488 00 Tel: +852 2328 9782...

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