Airtec SUTO S211 Instruction And Operation Manual

Dew point transmitter

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Instruction and Operation Manual

S211/S215/S220

Dew Point Transmitter

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Page 1 English Instruction and Operation Manual S211/S215/S220 Dew Point Transmitter...
Page 2 Dear Customer, Thank you for choosing our product. The operating instructions must be read in full and carefully observed before starting up the device. The manufacturer cannot be held liable for any damage which occurs as a result of non-observance or non- compliance with this manual.
Page 3: Table Of Contents
Table of contents 1 Safety Instructions ..................... 4 2 Registered Trademarks .................... 6 3 Application ........................7 4 Features .......................... 7 5 Technical Data ......................8 5.1 General ........................8 5.2 Electrical Data ...................... 9 5.3 Output Signals ..................... 9 5.4 Accuracy .......................
Page 4: Safety Instructions
1 Safety Instructions Please check if this instruction manual matches with 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 or qualified personnel.
Page 5 ATTENTION! Permitted operating parameters! Observe the permitted operating parameters, any operation exceeding this parameters can lead to malfunctions and may lead to damage on the instrument or the system. • Do not exceed the permitted operating parameters. • Make sure the product is operated in its permitted limitations. •...
Page 6: Registered Trademarks
Storage and transportation • Make sure that the transportation temperature of the instrument is between -30 ... +70°C. • For transportation it is recommended to use the packaging which comes with the instrument. • Please make sure that the storage temperature of the instrument is between -20 ...
Page 7: Application
3 Application The S211 / S215 / S220 are three industrial Dew Point Transmitters designed for measuring dew point and related parameters in compressed air or industrial gases under specified operating conditions (See next page ). Parameter Default unit Temperature °C Humidity % rH...
Page 8: Technical Data
5 Technical Data 5.1 General Parameters Standard unit dew point: °C Td Standard unit temperature: °C other units: °F, K Standard unit humidity: % rH Standard unit pressure: bar (g) Principle of measurement Capacitive method and frequency method Measuring range Type Range S215 Dew point : -20 ...
Page 9: Electrical Data
Ambient temperature 0 ... +50°C Ambient humidity 0 ... 95% rH Operating pressure -0.1 ... 1.6 MPa -0.1 ... 35.0 MPa optional for S215 / S211 Casing material Casing: Aluminium alloy Process thread: Stainless steel 1.4301 (SUS 304) Display cover: PC + ABS Protection class IP65 Display (optional)
Page 10: Accuracy
Modbus communication Mode: RTU Baud rate: 19200 Device address: last 2 digits of serial number Framing / parity / stop bit: 8 / N / 1 Response time: 1 second Response delay: 0 ms Interframe spacing: 7 char 5.4 Accuracy Accuracy Dew point: ±1 °C Td (0 ...
Page 11: Dimensional Drawing
6 Dimensional Drawing S211/S215/S220...
Page 12 S211/S215/S220...
Page 13: Determination Of The Installation Point
7 Determination of the Installation Point In order to maintain the accuracy stated in the technical data, the device must be installed correctly. The gas must flow on to the sensor tip, otherwise it will lead to wrong measurement values. For further instructions, please read chapter carefully.
Page 14: Installation
8 Installation Before installing the device, make sure that all components listed below are included in your package. Qty Description Item no. (Model dependent) Dew Point Transmitter S215 S211 S220 S699 1215 S699 1211 S699 1220 S699 2215 S699 2211 S699 2220 S699 3215 S699 3211...
Page 15: Installation Procedure
Options A1381 High pressure option 0... 35.0 MPa (only available for S215 & S211, not available for S699 4xxx versions) A1387 OLED Display option for 3-wire Analog version (only for S699 2xxx) A1388 OLED Display option for 3-wire Analog & Modbus version (only for S699 3xxx &...
Page 16 Installation with the by-pass measurement chamber A699 3493 For the model A699 3493, there are two installation methods: Method 1: Full pass through by-pass installation This method is to be used when the full air flow is passing through the measuring chamber.
Page 17 Method 2: By-pass installation Note : In order to use the measurement chamber in a by-pass you must ensure a pressure difference between P1 and P2 as indicated in the picture below. 1. Connect the inlet of the chamber to your pipe system. 2.
Page 18 Installation without the measurement chamber • Install the device only if the system is pressure- less. • Please check the size of the nozzle and make sure not less than 1/3 of the sensor tip is inside of the pipe. Full flow installation.
Page 19: Electrical Connection
8.3 Electrical Connection Connection pins of the M12 plug Connection pins (View onto the connector) Pin assignment of the M12 plug Dew Point Transmitter versions: S699 1215 / S699 1211 / S699 1220 Output signal: 2-wire analog output and SDI Pin 1 Pin 2 Pin 3...
Page 20: Connection Between S211/S215/S220 And Customer Equipment
Legend to pin assignment Digital signal (internal use) +la Active 4 … 20 mA signal Negative supply voltage NA Not applicable Positive supply voltage D+ Modbus/RTU data + D- Modbus/RTU data - ATTENTION! Do not screw the M12 plug using force. Otherwise, it may damage the connecting pins.
Page 21 wire analog and Modbus/RTU outputs Modbus/RTU output S211/S215/S220...
Page 22: Signal Outputs
9 Signal Outputs 9.1 Analog Output Depending on the model, the Dew Point Transmitter provides a 2-wire or 3-wire analog output. The analog output ranges 4 ... 20 mA. • The 2-wire analog output is a current loop (loop-powered sensor). •...
Page 23: Holding Register Table For Modbus/Rtu
The information for the byte order is shown in the table below: Sequence Byte Data Order Type Byte 3 Byte 1 Byte 0 Byte 2 1-0-3-2 FLOAT (MMMMMMMM*) (MMMMMMMM *) (EMMMMMMM *) SEEEEEEE) Byte 0 Byte 3 UINT32 1-0-3-2 Byte 1 Byte 2 INT32 Byte 1...
Page 24 2103 Atmospheric pressure (in hPa) FLOAT 4-Byte 2200 Unit+Resolution+Data type of INT16U 2-Byte Dew point 2201 Unit+Resolution+Data type of INT16U 2-Byte Alternative humidity 2202 Unit+Resolution+Data type of INT16U 2-Byte Pressure 2203 Unit+Resolution+Data type of INT16U 2-Byte Temperature 2300 Status INT16U 2-Byte 2301 Channel Value of...
Page 25 2 double 2 0.00 3 0.000 4 0.0000 - “Status” channel The highest bit is used for indicating if any setting is changed by users. The rest bits are used for indicating if the measuring channels that follows the Status channel are working properly or not. Description 0: Sensor settings have never been changed since last reading from the master.
Page 26: Connect Modbus/Rtu Devices To A Master
9.2.2 Connect Modbus/RTU Devices to a Master Sensors and devices with a Modbus/RTU output can be connected to a Modbus master device. This master can be either SUTO displays and gateways or any third-party Modbus/RTU master. See below specifications of the Modbus/RTU connections. 9.2.2.1 Modbus/RTU Cable Length A Modbus/RTU bus line has limitations which shall not be exceeded, otherwise the communication might not be stable.
Page 27 • The shield must be connected at one end to the master GND connection. • At the end of the bus, a 120 Ohm resistor should be placed a termination resistor. See the below picture for details. 9.2.2.3 Daisy-Chain using RS-485 Splitter SUTO devices with M12 connectors can be easily connected in a Modbus/RTU daisy-chain using a M12 RS-485 splitter (A554 3310).
Page 28 Connect Modbus/RTU slaves with M12 connectors to a daisy-chain using M12 RS-485 splitters. The M12 RS-485 splitter (A554 3310) comes with two M12 connectors to easily wire the chain. 9.2.2.4 Topology of Modbus/RTU Daisy-Chain The recommended bus topology is to connect devices as a daisy-chain. Other connection topologies are not recommended and should be avoided.
Page 29 Avoid a connection of slaves to the master in ring or star topology. Avoid a star topology Avoid a ring topology S211/S215/S220...
Page 30: Optional Accessories
10 Optional Accessories 10.1 Measuring Chambers There are different types of measuring chambers for example Measuring chamber with quick connector, by-pass chamber with in and out connection, measuring chamber for dryer installation, or high pressure chamber. For more information, please contact your distributor or the manufacturer.
Page 31: Maintenance
11 C manufacturer for details. 12 Maintenance Please observe from time to time the sinter cap. If it appears to be dirty, it is recommended to replace it for this please contact the manufacturer. ATTENTION! Contaminated filters can lead to longer response time and to wrong measurements.

This manual is also suitable for:

Suto s215 Suto s220