SUTO S452 Instruction And Operation Manual
Thermal mass flow sensor for heavy duty industries
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Summary of Contents for SUTO S452
- Page 1 English Instruction and operation manual S452 Thermal mass flow sensor for heavy duty industries...
- 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.
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Page 3: Table Of Contents
10.1.2 Pulse output...............18 10.2 HART output ..............20 10.3 Modbus output ..............20 10.4 M-Bus output ..............22 11 Configuration................22 12 Optional accessories..............24 12.1 Sensor display..............24 12.2 Service kit................24 13 Calibration................25 14 Maintenance................25 15 Disposal or waste..............25 16 Appendix A - Modbus communication example......26 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...
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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: Application
3 Application 3 Application The S452 flow sensor is designed for the explosive areas and is mainly used to measure compressed air and process gases in industrial environments. The S452 can measure the following parameters for the compressed air or gases: •... -
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 Dimensional drawing. Display (optional) Graphic display, 128 x 64 Tube diameter DN15 … DN80 Screwing thread M32 x 1.5 S452... -
Page 9: Electrical Data
2.9 ... 731.9 4.36 ... 886.18 2” DN50 2.4 ... 600 4.8 ... 1198 7.26 ... 1450.04 2 1/2” DN65 4.1 ... 1027 8.2 ... 2049 12.1 ... 2480.44 3” DN80 5.7 ... 1424 11.4 ... 2841 16.94 ... 3441.91 S452... -
Page 10: Dimensional Drawing
To calculate flow ranges based on pipe 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. 6 Dimensional drawing Unit: mm S452... -
Page 11: Determining The Installation Point
• Pay attention to the design of the inlet and outlet section. Obstructions can cause counter-flow turbulence as well as turbulence in the direction of the flow. • It is strongly recommended not to install S452 permanently in wet environment which exists usually right after a compressor outlet. S452... -
Page 12: Additional Inlet And Outlet Sections
No additional straight sections are needed. For the S452 with diameters from DN32 to DN80, the S452 has a shortened inlet section and requires additional straight sections at the inlet and outlet. The additional length for the particular diameters are listed in the table below. -
Page 13: Sensor Installation
The S452 is shipped with the mounted measurement section. When installing the device, please make sure the following: • The flow direction indicated on the S452 housing is consistent with the flow direction of the compressed air or gas. • The gas flows from the inlet (long pipe section) to the outlet (short pipe section) as illustrated in the picture below. -
Page 14: Removing The Flow Sensor
1. Hold the sensor. 2. Release the terminal nut at the connection thread. 3. Pull out the shaft slowly. 4. The measuring section can be closed with the optional closing cap so the system can work normally during maintenance. S452... -
Page 15: Re-Installation After Maintenance
• Single wire cross section area should be between 0.25 ... 0.75 • The thread size for the cable glands is M20 / 1.5. 9.4.1 Connection diagram Remove the back cover from the S452, and the pin layout is shown below. S452... -
Page 16: Pin Assignment
9 Sensor installation 9.4.2 Pin assignment S452 provides four output options. The pin assignment of these options are given in the following table. Output options Pulse and analog Modbus M-Bus HART / -HART / +HART Earth Earth Earth Earth Earth... - Page 17 = Modbus data+ = Negative supply voltage = Modbus data - = Positive signal output = M-Bus data (analog 1) = Negative signal output = Not applicable (analog 1) = Positive signal output (analog 2) = Negative signal output (analog 2) S452...
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Page 18: Signal Outputs
10 Signal outputs 10 Signal outputs 10.1 Analog and pulse outputs If the S452 is purchased with the output option of analog and pulse signals, it provides 2 analog outputs and 1 pulse output. All signals are electrically isolated. 10.1.1 Analog output The analog output can be used as an active output (current is sourced through the positive connection pin) or passive output. - Page 19 1/10 1/100 162,000 1,620,000 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 Configurable by service software Pulse connection diagram Variant 1: Variant 2: S452...
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Page 20: Hart Output
The Modbus communication requires to activate terminal resistors at the last device on the bus system. If the S452 is the last device on the bus system, the DIP switches on the connector board should be set to “ON”... - Page 21 Byte sequencing Byte order Example (HEX) MID-LITTLE-ENDIAN A B C D 0x 0A 11 42 C5 (Read from the device) LITTLE-ENDIAN B A D C 0x 11 0A C5 42 BIG-ENDIAN C D A B 0x 42 C5 0A 11 S452...
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Page 22: M-Bus Output
10 Signal outputs 10.4 M-Bus output If the S452 is purchased with the output option of M-Bus, it provides one analog output and one pulse output besides the M-bus output. Device type : Slave Address rage : 1 ... 251... - Page 23 Remarks: To enable a stable Bluetooth connection, ensure the following: • The distance between S452 and PC is not more than 5 meters. • The PC Bluetooth antenna points roughly towards the direction of the display (front part).
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Page 24: Optional Accessories
PC and an S452. The diagram below shows the cable connection between an S452 and a PC through the service kit. Please ensure that S452 or the service kit is connected with the power supply because the USB port cannot provide enough power to both of them. -
Page 25: Calibration
The device, 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. Please contact the manufacturer for details. S452... -
Page 26: 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 S452... - Page 27 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 28 16 Appendix A - Modbus communication example 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...
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