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Related Manuals for OMEGA AIR OS211
Summary of Contents for OMEGA AIR OS211
- Page 1 Installation and operating manual OS211/OS215/OS220 Dew Point Transmitter Please read the following instructions carefully before installing the product. Trouble free and safe operating of the product can only be guaranteed if recommendations and conditions stated in this manual are respected.
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Page 2: Table Of Contents
7.2.2 Install without Measuring Chamber ................12 Remove the Dew Point Transmitter ..................12 Electrical Connection ......................13 Connection between OS211/OS215/OS220 and Customer Equipment ....... 14 Display (Option) ..........................15 Display Information ....................... 15 Compatibility ......................... 15 Displayed Values ........................16 Display Rotation ........................ -
Page 3: 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 4 temperature and pressure. General safety instructions • It is not allowed to use the product in explosive areas. • Please observe the national regulations before/during installation and operation. Remarks • It is not allowed to disassemble the product. • Always use spanner to mount the product properly. ATTENTION! Measurement values can be affected by malfunction! The product must be installed properly and frequently...
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Page 5: Registered Trademarks
Remark: You can change the units using the Wireless DP Transmitter Adapter (optional) and the S4C-DP App. The OS211 / OS215 / OS220 Dew Point Transmitters are mainly used in compressed air systems in the industrial environment, and not developed to be used in explosive areas. -
Page 6: Technical Data
: 0 ... 90 % rH OS220 Temperature : -30 ... +70°C Pressure (option) : 0 ... 1.6 MPa Sensor OS215 / OS211: Polymer OS220: QCM + Polymer Temperature sensor: Pt100 Pressure sensor: Piezo resistive type Measuring medium Air, Argon, O , CO →... -
Page 7: Electrical Data
Screwing thread G ½” thread (ISO 228/1) Weight 180 g * For CO , the measurement range of OS211 is limited to -40°C Td ** The rotation force cannot exceed 3.0 N.m 5.2 Electrical Data Power supply 15 ... 30 VDC Current consumption 2-wire: 4 ... -
Page 8: Accuracy
5.4 Accuracy Accuracy Dew point: ±1 °C Td (0 ... 20°C Td) ±2 °C Td (-70 ... 0 / +20 ... +50 °C Td) ±3 °C Td (-100 ... -70 °C Td) Temperature: ± 0.3°C Pressure: 0.5% FS Repeatability of ±0.5 °C dew point Stated accuracy... -
Page 9: Installation
Calibration certificate No P/N The 3 Dew Point Transmitters OS211, OS215 and OS220 are offered in different versions. Depending on the version the options might be different, see table below for an overview about the different models, their signal output and... -
Page 10: Installation Requirements
The device is for indoor use only! At an outdoor installation, it must be protected from solar radiation and rain. • It is strongly recommended not to install OS211 / OS215 / OS220 permanently in a wet environment, which usually exists right after a compressor outlet. -
Page 11: Installation Procedure
Install the device only in the recommended area, as shown in picture on the left. The angle between the device and the centre vertical line of the tube must be greater than 30°. An upside-down installation is not permitted. ATTENTION! Wrong measurement is possible if the instrument is not installed correctly. -
Page 12: Install Without Measuring Chamber
7.2.2 Install without Measuring Chamber This is the full flow installation. The sensor is in the pipe. Method 1: Install through a nozzle • Install the device only if the system is pressure-less. • Check the size of the nozzle and make sure that no less than 1/3 of the sensor tip is inside of the pipe. -
Page 13: Electrical Connection
7.4 Electrical Connection Connection pins of the M12 plug Connection pins (View onto the connector) Pin assignment of the M12 plug Output signal: 2-wire analogue output and SDI Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 (Analogue loop) (Analogue loop) Brown White... -
Page 14: Connection Between Os211/Os215/Os220 And Customer Equipment
ATTENTION! Do not screw the M12 plug using force. Otherwise, it may damage the connecting pins. 7.5 Connection between OS211/OS215/OS220 and Customer Equipment This section provides figures to show how outputs supported by the OS211/OS215/OS220 connect with the customer equipment. -
Page 15: Display (Option)
8 Display (Option) 8.1 Display Information The dew point transmitter series OS211, OS215 and OS220 can be equipped with an optional display directly mounted on the sensor. The display shows the live values of Dew point, Temperature, Humidity and Pressure (if the dew point transmitter with a pressure sensor). -
Page 16: Displayed Values
The 3-wire analogue output is an active current output. • 9.1.1 Scaling The following table shows the standard scaling of the analogue output. Type Scaling OS211 4 mA = -60°C Td 20 mA = +20°C Td OS215 4 mA = -20°C Td 20 mA = +50°C Td... - Page 17 Response message that the device returns to the master: • Function code: 03 The information for the byte order is shown in the table below. Byte order for 2-byte and 4-byte data Sequence Byte Order Data Type Byte 3 Byte 1 Byte 0 Byte 2 1-0-3-2...
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Page 18: Holding Register Table For Modbus/Rtu
9.2.1 Holding Register Table for Modbus/RTU Modbus Read/ Data Data Register Channel description Write Type Length Address 2000 Group ID INT16U 2-Byte 2001 Device ID INT16U 2-Byte 2002 Serial number INT32U 4-Byte 2004 FW/HW INT16U 2-Byte 2005 Calibration date DOUBLE 8-Byte 2009 Valid days from calibration date... -
Page 19: Bit Description
7 mg/m 3 35 kPa(g) • Second byte: Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 Data type: Resolution: 0 float 1 4-byte unsigned integer 1 0.0 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. - Page 20 Modbus/RTU Cable Length A Modbus/RTU bus line has limitations which shall not be exceeded, otherwise the communication might not be stable. The maximum total bus length must not exceed 1200 m. • The stub length to each node must not exceed 30 cm. •...
- Page 21 Daisy-Chain using RS-485 Splitter The company's devices with M12 connectors can be easily connected in a Modbus/RTU daisy-chain using a M12 RS-485 splitter (A554 3310). Furthermore, this allows to easily place the M12 termination resistor (C219 0055) at the last splitter in the bus-chain. See below example for reference.
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Page 22: Optional Accessories
Topology of Modbus/RTU Daisy-Chain The recommended bus topology is to connect devices as a daisy-chain, as shown in the figure in section 9.2.2.1Modbus/RTU Cable Length. Other connection topologies are not recommended and should be avoided. Avoid a connection of slaves to the master in ring or star topology. Avoid a connection of Slaves to the master in ring or star topology. -
Page 23: Wireless Dp Transmitter Adapter
14.2 Wireless DP Transmitter Adapter The Wireless DP Transmitter Adapter provides a wireless interface between the mobile phone App OS4C-DP and the OS211/OS215/OS220. With this DP Adapter, you can manage the OS211/OS215/OS220 settings through the free mobile phone App OS4C-DP. For details, see Wireless DP Transmitter Adapter instruction manual. - Page 24 OMEGA AIR d.o.o. Ljubljana Cesta Dolomitskega odreda 10, 1000 Ljubljana, Slovenia T: +386 1 200 68 00 | info@omega-air.si | www.omega-air.si...
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