background image

The weather station uses RS-485 Modbus RTU to communicate with a Master device such as an AcquiSuite.  Attach a 
suitable twisted pair cable to the RS-485 connector provided.  Observe polarity ma, - and Shield.  

Page 11

Draft Copy

A89WS Weather Station (gen 3)

Summary of Contents for A89WS

Page 1: ...Weather Station Obvius LLC Installation and Operation Manual Model A89WS 3rd generation systems manufactured after July 2010 Date Jan 18 2011 Page 1 Draft Copy A89WS Weather Station gen 3 ...

Page 2: ...s Product Application Limitation Obvius products are not intended for use in critical applications such as nuclear facilities human implantable devices or life support Obvius is not liable in whole or in part for any claims or damages arising from such uses Obvius strongly believes in continuous improvement therefore we must reserve the right to change specifications and product offerings without ...

Page 3: ...WS TH1 Air Temperature and Humidity Probe 18 A89WS TO1 Air Temperature Probe 18 Software setup and configuration 19 Modbus Configuration 19 Modbus Address and Dipswitch Configuration 19 Setup and testing with Obvius Config Console OCC optional 20 Setup with Obvius AcquiSuite 21 Channel 1 A89WS TH1 TO1 Air Temperature Probe 21 Channel 2 A89WS TH1 Air Humidity Probe 22 Channel 3 A89WS PY1 Pyranomete...

Page 4: ...Required Adjustable Crescent wrench Screw Drivers Philips and flat head small and medium sizes Weatherproof conduit for power and communications to the weather station control box Drill and bit to install conduit connectors into the control box Power 120 240VAC and appropriate wire Communications RS485 wiring twisted pair with shield Compass or GPS to align wind sensor true North Mounting screws o...

Page 5: ...d Anemometer Includes A89WS PY1 Pyranometer kit Li cor A89WS AN1 Anemometer kit NovaLynx A89WS TH1 Temperature Humidity kit Veris A89WS TC1 Cell Temperature kit Veris YWX0483 NEMA 4x control box with 120v power supply UCLC amplifier Anemometer Amplifier Flex IO and sensor connectors Does not include mounting kit A89WS 4 weather station with Pyranometer Temperature Cell Temperature and Anemometer I...

Page 6: ...g adapter A89WS TC1 Cell Temperature kit Includes 10k type 2 thermistor with 50 cable and plug adapter Veris TRASPC01331 A89WS TC2 Cell Temperature kit Includes 10k type 2 thermistor with 150 cable and plug adapter Veris TRASPC01331 A89WS TH1 Temperature Humidity Probe kit 4 20mA output 40F to 122F range 0 100 RH range with 9ft cable plug and mounting screws Veris HO2XMSTA1 02 A89WS TO1 Temperatur...

Page 7: ... 25 125C A89WS TH1 Air Temperature and Humidity Probe Temp Sensor range 40 122 degrees Fahrenheit Temp Accuracy 1 degree F Humidity Sensor range 0 100 Relative Humidity Humidity Accuracy 2 replaceable sensor Operating temperature 40 122 A89WS TO1 Air Temperature Probe Sensor range 40 122 degrees Fahrenheit Accuracy 1 degree F Operating temperature 40 122 YWX0431 YWX0432 weather station Control Box...

Page 8: ... box Run appropriate conduit for power and communications to the control box 3 Attach individual sensors to the weather station 4 Using a computer or laptop configure the weather station and the AcquiSuite or other Modbus data acquisition server The following sections of the manual cover hardware installation and component details for each of the steps listed above Page 8 Draft Copy A89WS Weather ...

Page 9: ...approximately 33 feet 10 meters above the highest obstacle within a 990 foot 300 meter radius of the mounting location It is critical to avoid placing the weather station near HVAC units or exhaust systems from other mechanical equipment to avoid interference with the sensors Tripod Remove the tripod from the packaging Expand the tripod legs until the legs are fully extended Mast Install the mast ...

Page 10: ...conduit or cable for power and communications power and communications wire and conduit are not included with the weather station With the mains off connect the Line Neutral and Ground wires to the screw terminals provided Proper grounding is required It is important to observe all electrical codes and safety practices when wiring the weather station WARNING After wiring the system remove all scra...

Page 11: ...S 485 Modbus RTU to communicate with a Master device such as an AcquiSuite Attach a suitable twisted pair cable to the RS 485 connector provided Observe polarity markings and Shield Page 11 Draft Copy A89WS Weather Station gen 3 ...

Page 12: ...Page 12 Draft Copy A89WS Weather Station gen 3 ...

Page 13: ...conduit or cable for power and communications power and communications wire and conduit are not included with the weather station With the mains off connect the Line Neutral and Ground wires to the screw terminals provided Proper grounding is required It is important to observe all electrical codes and safety practices when wiring the weather station WARNING After wiring the system remove all scra...

Page 14: ...S 485 Modbus RTU to communicate with a Master device such as an AcquiSuite Attach a suitable twisted pair cable to the RS 485 connector provided Observe polarity markings and Shield Page 14 Draft Copy A89WS Weather Station gen 3 ...

Page 15: ...Page 15 Draft Copy A89WS Weather Station gen 3 ...

Page 16: ...ometer by placing the sensor on the top of the mast Locate the label on the side of the sensor labeled north Rotate the anemometer on the pole so that label on the anemometer base is facing North Magnetic North is adequate for most installations Should a True North alignment be required the magnetic declination at the sensor location must known and applied to the compass reading Tighten the two sc...

Page 17: ... tighten the nuts yet Using the leveling screws adjust the angle of the base plate until the bubble level shows the pyranometer to be level Once this adjustment has been made tighten the attachment bolts and nuts to secure the pyranometer in place Do not over tighten the leveling screws more than finger tight Bring the black cable down the mast and around to the control box Plug the cable into the...

Page 18: ...is secure Do not over tighten the set screw or it will crack the pyranometer Attach the pyranometer base plate to the top of the A89WS MP1 mounting bracket as shown to the left Place the three mounting bolts in the holes and tighten the attachment bolts and nuts to secure the pyranometer in place flush against the bracket The leveling screws and bubble level are not used with this mounting bracket...

Page 19: ... back of a solar panel to measure the panel temperature Care should be taken to not damage the solar panel when installing the sensor The bullet probe can be glued to the panel or attached by securing the probe with a hardware attachment on the panel or panel holding system The probe may also be secured using durable foil tape typically used to seal HVAC systems in outdoor applications Foil tape c...

Page 20: ...ith cable 2 screws nuts Install the air sensor on the inside of the weather station mounting arm with the probe facing down The probe should be oriented so that the sensor is in the vented sun shade area of the arm Use the two screws provided to attach the sensor to the arm Secure the screws using the nut on the back of the arm Tighten the screws until the air sensor box is flush against the back ...

Page 21: ...ration menu to disable channels with no sensor attached Note The YWX0483 rev A control box shipped between Aug and Sep 2010 have a different wiring connection list The inputs are configured as 1 wind speed 2 direction 3 temp 4 humidity 5 pyranometer 6 cell temp For more information on the rev a model of this control box please contact technical support at Obvius Modbus Address and Dipswitch Config...

Page 22: ...us sells two adapters A89 USB485 or A89 USB232 that may be used Verify that the I O Module inside the weather station control box is powered and has a blinking green LED Next run the OCC software On the connection screen select your serial port and specify 9600 N 8 1 serial options and click Connect Click the Scan button on the top of the page to scan the serial port for devices Device 051 A8332 8...

Page 23: ...om of the page Each data point will now have a Configure Point button open to the right of each data point To configure each input sensor click each configure point button and set the options as described in the following sections Channel 1 A89WS TH1 TO1 Air Temperature Probe Configure the following options Sensor Name Air Temperature Input Mode Current 4 20mA Sensor Make and Model A89WS TH1 Veris...

Page 24: ...mation only This field is intended to store information about the physical sensor to assist in record keeping for identification of the attached sensor Pyranometer max range calculation The Sensor Maximum Range setting for the pyranometer is based on the multiplier supplied on the calibration certificate for the sensor Locate the multiplier on the calibration certificate If the calibration certifi...

Page 25: ...0K Type 2 to either Degreees F or C You may select either conversion depending on your project needs Be sure to set the Engineering Units field to match the unit of measure for your conversion Channel 5 A89WS AN1 AN2 Anemometer wind speed Configure the following options Sensor Name Wind Speed Input Mode Current 4 20mA Sensor Make and Model A89WS AN1 NovaLynx 200 WS 02 Sensor Minimum Range 0 Sensor...

Page 26: ...e 360 Engineering Units Degrees Note the option for Sensor make and model is for reference information only This field is intended to store information about the physical sensor to assist in record keeping for identification of the attached sensor Channel 7 Channel 8 Channels 7 and 8 are not used in the weather station Set these channels to be unconfigured Input Mode Unconfigured Page 26 Draft Cop...

Page 27: ... UINT32 input 3 value LSW 6 40007 UINT32 input 4 value MSW 7 40008 UINT32 input 4 value LSW 8 40009 UINT32 input 5 value MSW 9 40010 UINT32 input 5 value LSW 10 40011 UINT32 input 6 value MSW 11 40012 UINT32 input 6 value LSW 12 40013 UINT32 input 7 value MSW 13 40014 UINT32 input 7 value LSW 14 40015 UINT32 input 8 value MSW 15 40016 UINT32 input 8 value LSW Average Ohms or mA 16 40017 UINT32 inp...

Page 28: ...put 6 min LSW 44 40045 UINT32 input 7 min MSW 45 40046 UINT32 input 7 min LSW 46 40047 UINT32 input 8 min MSW 47 40048 UINT32 input 8 min LSW Maximum Ohms or mA 48 40049 UINT32 input 1 max MSW 49 40050 UINT32 input 1 max LSW 50 40051 UINT32 input 2 max MSW 51 40052 UINT32 input 2 max LSW 52 40053 UINT32 input 3 max MSW 53 40054 UINT32 input 3 max LSW 54 40055 UINT32 input 4 max MSW 55 40056 UINT32...

Page 29: ...11 41012 UINT32 uptime MSW number of seconds since IO module booted 1012 41013 UINT32 uptime LSW 1013 41014 UINT16 hardware version major for example 8332 1014 41015 UINT16 hardware version minor MSB pcb rev LSB part rev value 1 Rev_A 2 Rev_B etc 1015 41016 UINT32 hardware Date of Manufacture MSW 1016 41017 UINT32 hardware Date of Manufacture LSW time UTC unix epoch seconds past 1970 1017 41018 UI...

Page 30: ...uery Data Conversion Knowing the register values and types and expected ranges of resultant values calculate to derive the sensor readings from the Modbus register values listed above Example Registers 40001 and 40002 typically describe an Air Temperature reading from a 4 20mA sensor on Input 1 The expected minimum sensor value in degrees F is 40º F and the maximum is 122º F The minimum value is t...

Page 31: ... O2 Temperature Humidity sensors be tested every year and replaced accordingly This element is field replaceable and can be obtained by contacting Veris Industries 503 598 4564 directly A89WS AN1 AN2 NovaLynx recommends that you apply several drops of light weight 3 in 1 machine oil or lightly spray WD40 onto the anemometer bearing located just below the cups Always look at the wind vane alignment...

Reviews: