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RainWise MKIII-MB User Manual

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MKIII™-MB
USER'S GUIDE
09/18/18
Rev. 3

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Summary of Contents for RainWise MKIII-MB

  • Page 1 MKIII™-MB USER’S GUIDE 09/18/18 Rev. 3...
  • Page 2 Copyright © 2018 by RainWise, Inc. All rights reserved. No part of this work may be reproduced in any form except by written permission of the publisher. All rights of translation are reserved. MKIII™ is a trademark of RainWise, Inc. - 2 -...

  • Page 3: Table Of Contents

    INTRODUCTION ..........................5 INSTALLING THE WEATHER STATION ..................5 ......................5 EQUIREMENTS AND ONSIDERATIONS ..............................5 NSTALLATION Weather Station ............................. 5 Anemometer ............................7 ................................ 7 IRING Connecting RS-485 ..........................7 Connecting the Power Supply ....................... 7 MODBUS RTU ............................. 8 ............................
  • Page 4 : ............................. 13 ELATIVE UMIDITY : ..........................13 AROMETRIC RESSURE )........................13 NEMOMETER WITCH : ............................13 IRECTION : .............................. 14 PEED : ..........................14 IQUID RECIPITATION : ............................. 14 EMPERATURE WARRANTY ............................15 - 4 -...

  • Page 5: Introduction

    Mount the support mast securely to a support structure. This may be done by using the Mono-Mount, which is sold as an accessory to the MKIII-MB. The mast may also be attached to a support structure using U-Bolts. Do not tighten the support structure to the MKIII-MB unit, as directional orientation will be required.
  • Page 6 NOTE: The station is set for use in the northern hemisphere by default. If using the station in the southern hemisphere you must place switch #3, located on the motherboard inside the enclosure, in the ON position. - 6 -...

  • Page 7: Anemometer

    Signal/Power Ground +VDC: External 10-30VDC Supply RS-485 is rated to 4,000 feet (1,200 m) at 90 kbps. The RS-485 port on the MKIII-MB is surge protected but not isolated. CONNECTING THE POWER SUPPLY The weather station must be powered by an external power source unless the solar-powered option has been purchased.

  • Page 8: Modbus Rtu

    0.254mm (0.01”) per tip. This counter resets on a reboot and will roll over at 65536 counts. UNSUPPORTED FIELDS The register map reserves registers for all combinations of sensors supported by the Rainwise stations. Not all will be available on any one system. Sensors/fields that are not supported will contain the value 0x8000.

  • Page 9: Modbus Map

    MODBUS MAP Holding Scale Register Item Type Units Factor Contents Manufacturer uint16 "RW" (0x5257) "S0"=MK-III, "S1"=MKIII, Model uint16 "S2"= PVmet 0x0170, "01" Map Version, Version uint16 "70" Firmware Version Air Temperature int16 Degrees C Measured Humidity int16 Measured Pressure int16 Measured Wind Speed int16...

  • Page 10: Changing The Modbus Device Address

    ON position will change the baud rate to 19200. SOFTWARE/FIRMWARE UPDATES The software or firmware in the MKIII-MB can be updated or changed using the RS-485 port. Make sure you read the update instructions carefully and be sure you are installing the correct software. As with all updates, there are risks associated with changing the flash memory.

  • Page 11: Minimum System Requirements

    Data bits: Stop bits: Flow Control: None Interface mode: 2-Wire Half Duplex SOFTWARE The MKIII-MB is designed to work with an RS-422/485 compliant host. A terminal emulator program is required to change settings. Material Specifications SENSOR ASSEMBLY: RoHS Compliant Mast:...

  • Page 12: Ambient Air Temperature Sensor

    AMBIENT AIR TEMPERATURE SENSOR: RoHS Compliant ELECTRONICS: RoHS Compliant PHYSICAL: Packaged Weight: 7 lbs Packaged Dimensions: 6cm x 20.3cm x 20.3cm (10.25” x 8” x 8”) - 12 -...

  • Page 13: Hardware Specifications

    HARDWARE SPECIFICATIONS OPERATING ENVIRONMENT: Temperature: -40 ~ 70°C (-40 ~ 158°F) Humidity: 0 ~ 100% Condensing AMBIENT AIR TEMPERAT URE SENSOR: Range: -55 ~ 85°C (-67 ~ 185°F) Accuracy: ±0.2°C at 25°C (±0.4°F at 77°F) Resolution: 0.056°C (0.1°F) RELATIVE HUMIDITY: Operational Temperature: -40 ~ 70°C (-40 ~ 158°F) Range:...

  • Page 14: Wind Speed

    Starting Threshold: 1.98 m/s (4.43 mph) WIND SPEED: Range: 0 ~ 67 m/s (0 ~ 150 mph) Accuracy: Greater of 0.45m/s (1 mph) or 5% of Reading Resolution: 0.045 m/s (0.1 mph) Threshold: 0.65 m/s (1.45 mph) LIQUID PRECIPITATION : Operational Temperature: 0 ~ 85°C (0 ~ 185°F) Range:...

  • Page 15: Warranty

    Shipping costs from the customer to RainWise are borne by the customer, RainWise will cover return shipment. It is the customer's responsibility to see that the unit is properly packed, preferably in the original box, because damage occurring during return shipment is not covered by this warranty.

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