Weather station obvius, llc installation and operation manual model a89ws (3 rd generation, systems manufactured after july 2010) date jan 18, 2011 page 1 draft copy a89ws weather station (gen 3).
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Table of contents overview....................................................................................................................................................................................................... 4 installation checklist.....................................................
Overview the obvius weather station is designed to provide measurement options for environmental data points related to solar/pv generation sites. The weather station can provide readings for wind speed, direction, solar radiation, air temperature, humidity, and solar panel temperature. Installation...
Hardware overview weather station package kits the weather station may be ordered using the following kit part numbers. These kits include a number of components that are listed below, to build a complete weather station. A89ws-1 weather station with pyranometer, temperature, humidity, and cell temp...
List of sub-assemblies weather station sub-assemblies may be ordered from the following list of components. Each section of this manual will deal with these sub-assemblies separately as well. A89ws-an1 anemometer kit. Includes: wind speed and direction, 40' cable, and plug. ( novalynx 200-ws-02 ) a8...
Features and specifications list of sub-assemblies a89ws-an1, an2 anemometer kit direction sensor range: 0 – 360 degrees. Azimuth: 360 o mechanical, 355 o electrical (5 o open) 360 o /0 o =north 90 o =east 180 o =south 270 o =west direction accuracy: +/- 3º speed sensor range: 0 – 100 mph. Gusts up ...
Hardware installation overview the weather station assembly takes several steps, and should be performed in the following order. 1) assemble the mounting kit. Tripod, mast, and arm. 2) attach the weather station control box. Run appropriate conduit for power and communications to the control box. 3)...
A89ws-mk1: weather station mounting kit kit contains: tripod, mast, and arm. Location: before installing the weather station, a suitable location for the sensors must be selected. Ensure that the weather station is located in as open and unobstructed area as possible such as a rooftop location or a ...
Ywx0482: weather station control box kit includes: control box, 2 u-bolts. The weather station control box mounts on the back of the mast using the two u-bolts provided in the kit. The box should be mounted with the connectors on the bottom. Separate holes will need to be drilled into the side or bo...
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 markings +, - and shield. Page 11 draft copy a89ws weather station (gen 3).
Page 12 draft copy a89ws weather station (gen 3).
Ywx0483: weather station control box kit includes: control box, 2 u-bolts. The weather station control box mounts on the back of the mast using the two u-bolts provided in the kit. The box should be mounted with the connectors on the bottom. Separate holes will need to be drilled into the side or bo...
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 markings +, - and shield. Page 14 draft copy a89ws weather station (gen 3).
Page 15 draft copy a89ws weather station (gen 3).
A89ws-an1, a89ws-an2: anemometer kit kit contains: anemometer sensor the a89ws-an1 and a89ws-an2 sensor kits are identical except for the cable length. The a89ws-an1 has a 40' cable. The a89ws-an2 has a 105' cable. The installation procedure for both kits is the same. Locate the tail fin for the win...
A89ws-py1: pyranometer kit kit contains: pyranometer, leveling base, 3 screws, nuts, calibration certificate. Attach the pyranometer to the mounting base. Align the wire on the pyranometer to the slot on the mounting base before inserting it in the base. A small hex set-screw is located on the side ...
A89ws-mp1: pv mounting bracket – pyranometer (optional) kit contains: bracket with thumbscrews. The a89ws-mp1 mounting bracket allows the pyranometer to be mounted on the side of a solar panel or other flat object. This provides the pyranometer the same angle to the sun as the panel for measuring pe...
A89ws-tc1, a89ws-tc2: cell temperature kit kit contains: cell temperature probe with cable and plug. The cell temperature probe is a 10k ohm type 2 thermistor sensor in a bullet probe configuration. The kit comes in two versions: • tc1 has a 50' cable. • tc2 has a 150' cable. The cell temperature pr...
A89ws-th1: air temperature and humidity probe a89ws-to1: air temperature probe note: the a89ws-th1 and to1 kits have a similar appearance and the hardware mounting is the same. The only difference is that the a89ws-th1 kit includes a humidity sensor in the air probe, and the a89ws-to1 air probe does...
Software setup and configuration the obvius a89ws weather station uses an a8332-8f2d i/o module to convert the sensor data to a modbus output. The a8332-8f2d must be configured to read each of the sensors. Each input on the a8332-8f2d represents a specific sensor input, and two inputs remain unused....
Setup and testing with obvius config console (occ) (optional) after the weather station has been installed and powered, the installer should take the time to verify that all the sensors are working properly. One way to do this is to use an acquisuite data acquisition server to configure and display ...
Setup with obvius acquisuite configure the acquisuite modbus options to allow 9600 baud communications. The default settings in the acquisuite should allow the weather station io to communicate directly. Select the modbus device list option from the acquisuite configuration menu. The following scree...
Channel 2: a89ws-th1: air humidity probe configure the following options • sensor name: “air humidity” • input mode: “current 4-20ma” • sensor make and model: “a89ws-th1 veris ho2xmsta1-02” • sensor minimum range: “0” • sensor maximum range: “100” • engineering units: “%rh” note: the option for “sen...
Channel 4: a89ws-tc1,tc2: cell temperature configure the following options • sensor name: “cell temperature” • input mode: “resistance” • sensor make and model: “a89ws-tc1 (veris traspc01331)” • curve scale: “veris 10k type 2” • engineering units: “degrees f” note: the option for “sensor make and mo...
Channel 6: a89ws-an1,an2: anemometer / wind direction configure the following options • sensor name: “wind direction” • input mode: “current 4-20ma” • sensor make and model: “a89ws-an1 (novalynx 200-ws-02)” • sensor minimum range: “0” • sensor maximum range: “360” • engineering units: “degrees” note...
Setup with 3 rd party modbus master flex i/o module modbus information, specific to the weather station (for complete details such as reserved or pulse input registers or values not listed here, refer to the latest obvius documentation regarding the a8332-8f2d modbus flex io module installation and ...
28 40029 uint32 input 7 ave msw 29 40030 uint32 input 7 ave lsw 30 40031 uint32 input 8 ave msw 31 40032 uint32 input 8 ave lsw minimum (ohms or ma) 32 40033 uint32 input 1 min msw 33 40034 uint32 input 1 min lsw 34 40035 uint32 input 2 min msw 35 40036 uint32 input 2 min lsw 36 40037 uint32 input 3...
Mode setting options (see above for value details) 64 40065 uint16 input 1 mode (nv/r/w) 65 40066 uint16 input 2 mode (nv/r/w) 66 40067 uint16 input 3 mode (nv/r/w) 67 40068 uint16 input 4 mode (nv/r/w) 68 40069 uint16 input 5 mode (nv/r/w) 69 40070 uint16 input 6 mode (nv/r/w) 70 40071 uint16 input...
Register functions all 32 bit data point values are encoded in 2 modbus registers (16bits each). Modbus master systems should always query the a8332-8f2d using a single query to read an entire block of registers. Never use two queries to read one register and then combine the two results into a sing...
Recommended maintenance of third party devices some of the sensors included in the weather station require either replacement or re-calibration after deployment. A89ws-py1: li-cor recommends that the li-200sz pyranometers be calibrated every two years to maintain the sensor accuracy. This requires t...
