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SUTO S452 Instruction And Operation Manual

Thermal mass flow sensor
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Instruction and operation manual
S452
Thermal mass flow sensor

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Summary of Contents for SUTO S452

  • Page 1 English Instruction and operation manual S452 Thermal mass flow sensor...
  • Page 2 The device is designed exclusively 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.

  • Page 3: Table Of Contents

    12. Calibration................21 13. Maintenance................22 14. Disposal or waste..............22 15. Warranty................22 Appendix A – Flow measurement ranges..........24 A.1 Volumetric flow ranges............24 A.2 Scaling tables for analogue output..........24 Appendix B - Modbus communication example........25 Appendix C - LRC and CRC calculation..........27 S452...

  • Page 4: Safety Instructions

    • Consider all regulations for electrical installations. • The system must be disconnected from any power supply during maintenance work. • Any electrical work on the system is only allowed by authorized qualified personal. S452...
  • 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 operation temperature at the sensors tip. • Avoid condensation on the sensor element as this will affect the accuracy enormously. S452...
  • Page 6 • Please make sure that 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. S452...

  • Page 7: Application

    316L. • Robust metal enclosure is suitable for outdoor applications in harsh environments. • Wireless Bluetooth interface for connecting on site. • Optional display directly on the sensor, showing flow rate, consumption, medium temperature and diagnostic result. S452...

  • Page 8: Technical Data

    Material of the probe Stainless steel 1.4404 (SUS 316L) tube, sensor head and the screwing Protection class IP67 Dimensions See Chapter 5. Dimensional drawing. Display (optional) Graphic display, 128 x 64 Tube diameter DN15 … DN80 Screwing thread M32 x 1.5 S452...

  • Page 9: Electrical Data

    Stated accuracy at: Ambient/process temperature +23°C ±3°C Ambient/process humidity <90%, no condensation Process pressure at 0.6 MPa Repeatability 0.25% of reading * The specified accuracy is valid only within the minimum and maximum flow rates that are stated in Appendix A.1. S452...

  • Page 10: Dimensional Drawing

    Please consider that enough space exists at your site for a adequate installation as described in this manual. ATTENTION! Wrong measurement is possible if the sensor is not installed correctly. S452...

  • Page 11: Inlet And Outlet Section

    2 x 90°C bends on 65.5 1103 144.5 1343 204.5 one level 2 x 90°C bends 3 1191.5 1583.5 65.5 2136.5 144.5 2556.5 204.5 dimensional change of direction Shut-off valve 1345 1610.5 2114.5 65.5 2825.5 144.5 3365.5 204,5 S452...

  • Page 12: Sensor Installation

    Make sure that the flow direction indicated on the housing matches the flow direction of the compressed air or gas. The gas flows from the inlet (long pipe section) to the outlet (short pipe section) like illustrated in the picture below. S452...

  • Page 13: Removal Of The Flow Sensor

    • The re-installation of the measurement device is simple as the sensor unit fits into the pipe section only in one position. • Please make sure that the O-ring is inserted. • Close the terminal nut tightly to mount the sensor correctly. S452...

  • Page 14: Electrical Connection

    • Unused cable entries must be closed with closers. • Cable outer diameter should be between 6 and 8 mm. • Single wire cross section area should be between 0.25 ... 0.75 • The thread size for the cable glands is M20 / 1.5. Connection diagram S452...
  • Page 15 = Direction input D2 (flow switch) = Positive signal output = Modbus data+ (analog 1) = Negative signal output = Modbus data - (analog 1) = Positive signal output = M-Bus 1 (analog 2) = Negative signal output = M-Bus 2 (analog 2) S452...

  • Page 16: Signal Outputs

    Max flow Pulse / 1/10 1/100 consumption unit 162,000 1620000 16,200,000 /min 2,700 27,000 270,000 l/min 2,700 27,000 270,000 2,700 27,000 270,000 Kg/h 162,000 1,620,000 16,200,000 Kg/min 2,700 27,000 270,000 Kg/s 4,500 Default To be configured by service software S452...

  • Page 17: Hart Output

    : 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 Baud Transm. mode : ASCll, RTU Response time : Direct data access = 0 to 255 ms (can be configured) Remarks • Modbus communication settings can be changed by the service software. S452...

  • Page 18: M-Bus Output

    The version with M-Bus comes with one analog output and one pulse output. Device type : Slave Address rage : 1 to 251 Bus address can be set through software Physical interface : Meter-Bus, EN1434-3 Baudrates : 300, 2400, 9600 Baud Frame/parity/Stop : 8, E, 1 S452...

  • Page 19: Configuration

    Active / passive Active Pulse output Pulse / Alarm Pulse Pulses per consumption unit HART Fieldbus address Manufacturer ID Device type code Modbus Device address Baudrate 19200 Framing/parity/Stop bit 8, N, 1 Transmission mode M-Bus Address Manufacturer code Baudrate Access number S452...
  • Page 20 Notes: For the Bluetooth connection: • Ensure that the distance between S 452 and PC is not more than 5 meters. • Ensure that the PC Bluetooth antenna points roughly towards the direction of the display (front part). S452...

  • Page 21: Optional Extra Accessories

    However, we recommend you calibrate the instrument at least once per year. The calibration is excluded from the instruments warranty. For the calibration service, please contact the manufacturer. S452...

  • Page 22: Maintenance

    Please contact the manufacturer for details. 15. Warranty SUTO provides a warranty for this product of 24 months covering the material and workmanship under the stated operating conditions from the date of delivery. Please report any findings immediately and within the warranty time.
  • Page 23 • If the serial number has been changed, damaged or removed. Other claims, especially those for damage occurring outside the instrument are not included unless responsibility is legally binding. Warranty repairs do not extend the period of warranty. ATTENTION! Batteries have a reduced warranty time of 12 month. S452...

  • Page 24: Appendix A - Flow Measurement Ranges

    203.31 430.8 869.3 14.49 0.24 2” DN50 53.10 1197.60 19.96 19960.0 332.67 704.9 1422.5 23.71 0.40 2 1/2” DN65 68.90 2048.60 34.14 34143.3 569.06 1205.8 2433.3 40.55 0.68 3” DN80 80.90 2842.60 47.38 47376.7 789.61 1673.1 3376.4 56.27 0.94 S452...

  • Page 25: Appendix B - 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 S452...
  • Page 26 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 S452...

  • Page 27: Appendix C - Lrc And Crc Calculation

    The function takes two arguments: unsigned char *auchMsg; /* A pointer to the message buffer containing binary data */ /* to be used for generating the LRC, unsigned short usDataLen; /* The quantity of bytes in the message buffer. S452...
  • Page 28 8-bit byte will have been processed. 6. Repeat steps 2 through 5 for the next 8-bit byte of the message. Continue doing this until all bytes have been processed. 7. The final content of the CRC register is the CRC value. S452...
  • Page 29 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3, 0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3, 0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4, 0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A, 0x3B, S452...
  • Page 30 /* will index into CRC lookup table */ while(usDataLen—) /* pass through message buffer */ uIndex = uchCRCHi ^ *puchMsg++ ; /* calculate the CRC */ uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex] ; uchCRCLo = auchCRCLo[uIndex] ; return (unsigned short int)((uchCRCHi << 8) | uchCRCLo); S452...
  • Page 31 S452...
  • Page 32 SUTO iTEC GmbH SUTO iTEC (ASIA) Co., Ltd. Werkstr. 2 Room 10, 6/F, Block B, Cambridge Plaza 79426 Buggingen 188 San Wan Road, Sheung Shui, N.T. Germany Hong Kong Tel: +49 (0) 7631 936889-0 Tel: +852 2328 9782 Fax: +49 (0) 7631 936889-19...

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