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Summary of Contents for SUTO S450
- Page 1 English Instruction and operation manual S450 Thermal mass flow sensor for heavy duty industries...
- Page 2 The device is destined 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
9.1.2 Pulse output..............21 9.2 HART output ..............23 9.3 Modbus output ..............23 9.4 M-Bus output ..............25 10 Configuration................25 11 Optional accessories..............27 11.1 Sensor display..............27 11.2 Service kit................27 12 Calibration................28 13 Maintenance................28 14 Disposal or waste..............28 15 Appendix - Modbus communication example.......29 S450... -
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. S450... - 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. S450...
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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 S450 flow sensor is designed for the explosive areas and is mainly used to measure compressed air and process gases in industrial environments. The S450 can measure the following parameters for the compressed air or gases: •... -
Page 8: Technical Data
Housing material Al alloy Material of the probe Stainless steel 1.4404 (SUS 316L) tube, sensor head and screwing Protection class IP67 Dimensions See dimensional drawing on the next page Display (optional) 128 x 64 Tube diameter From DN15 (1/2”) upwards S450... -
Page 9: Electrical Data
* The specified accuracy is valid only within the minimum and maximum flow rates that are stated in section 5.5. 5.5 Flow ranges The flow ranges are stated under the following conditions: • Standard flow in air • Reference pressure: 1000 hPa • Reference Temperature: +20°C S450... - Page 10 • 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 tool in the search result.
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Page 11: Dimensional Drawing
6 Dimensional drawing 6 Dimensional drawing S450... -
Page 12: Determining The Installation Point
• Pay careful attention to the design of the inlet and outlet sections. Obstructions can cause counter-flow turbulence as well as turbulence in the direction of the flow. • It is strongly recommend not to install S450 permanently in wet environment which exists usually right after a compressor outlet. S450... -
Page 13: Inlet And Outlet Sections
If it is not possible to observe the indicated equalizing sections, deviations in measuring results have to be expected. Remark: If there is any combination of below situations, the longest straight inlet section must be maintained. • Expansion • Reduction • 90° Bend • 2×90° Bend S450... - Page 14 7 Determining the installation point • 3 dimensional Bend • T-piece • Shut-off valve • Filter or similar (unknown objects) S450...
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Page 15: Installation
8.1 Installation requirements To install the sensor a ball valve or a nozzle is needed. • The inner thread must be G 1/2”. • The diameter of the hole must be ≥ 13mm. Otherwise the shaft can not be inserted in. S450... -
Page 16: Installation Procedure
Insertion depth= x+ y ; OD=Outer diameter of pipe Example for a 2” pipe and an 87 mm ball valve: y=87 mm ; OD=60.3 mm 60.3 mm =30.15 mm Insertion depth=30.15 mm+87 mm=117.15 mm S450... -
Page 17: Installing The Sensor
± 2° to the perfect position, please see picture on the next page.). 10. Tighten the clamp sleeve with the clamping torque 20 … 30 Nm. 11. Check the installation depth again because sometimes the shaft is moved from its original position by the compressed air. S450... -
Page 18: Removing The Sensor
• Unused cable entries must be closed with closers. • Cable outer diameter should be between 6 and 8 mm. • Single wire cross-section should be between 0.25 ... 0.75 mm • The thread size for the cable glands is M20 / 1.5. S450... -
Page 19: Connection Diagram
8 Installation 8.3.1 Connection diagram Remove the back cover from the S450, and the pin layout is shown below. 8.3.2 Pin assignment S450 provides four output options. The pin assignment of these options are given in the following table. Output options... - Page 20 = Negative supply voltage = Modbus data - = Positive signal output = M-Bus data (analog output 1) = Negative signal output Not applicable (analog output 1) = Positive signal output (analog output 2) = Negative signal output (analog output 2) S450...
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Page 21: Signal Outputs
9 Signal outputs 9 Signal outputs 9.1 Analog and pulse outputs If the S450 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. 9.1.1 Analog output The analog output can be used as an active output (current is sourced through the positive connection pin) or passive output. - Page 22 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: S450...
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Page 23: Hart Output
The Modbus communication requires to activate terminal resistors at the last device on the bus system. If the S450 is the last device on the bus system, the DIP switches on the connector board should be set to “ON”... - Page 24 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 S450...
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Page 25: M-Bus Output
9 Signal outputs 9.4 M-Bus output If the S450 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 range :1 to 251 Bus address can be set through software... - Page 26 Remark: To enable a stable Bluetooth communication, ensure the following: • Distance between the S450 and the PC must be not more than 5 meters. • The PC Bluetooth antenna must point roughly at the direction of the display (front part).
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Page 27: Optional Accessories
PC and an S450. The diagram below shows the cable connection between an S450 and a PC through the service kit. Please ensure that S450 or the service kit is connected with the power supply because the USB port cannot provide enough power to both of them. -
Page 28: 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. S450... -
Page 29: Appendix - 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 S450... - Page 30 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 S450...
- Page 31 S450...
- Page 32 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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