DAVIS SPREAD-SPECTRUM RADIO MODEM, Manual

Page 1: ...nna 7623 008 and mounting hardware and one includes the mounting hardware with no antenna it is intended for use with the 12dB Yagi antenna from YDI Installation instructions for all three kits are co...

Page 2: ...ation Kit 8 5dB Directional Yagi Antenna 7632 008 The following components are contained in the Installation Kit 8 5dB Direc tional Yagi Antenna package Mounting Hardware Ground Plane Antenna Cable An...

Page 3: ...not available or if you want to use solar power use the Solar Power Kit 7708 and 6 5 Amp Hour Battery 7711 If solar power is used it will be necessary to switch the power to the RM so that it is on fo...

Page 4: ...RM should be located near the antenna a longer co axial antenna cable could be used but this will reduce signal strength so it is necessary in this case to use the Short Range Modem Pair for communica...

Page 5: ...ing the installation 3 4 Galvanized Pipe or Antenna Mast maximum outside diameter of 1 1 4 32 mm This pipe mast is required to mount the directional Yagi antenna and may be used in conjunction with th...

Page 6: ...Install Radio Surge Protector optional Consult the manual supplied with the Radio Surge Protector for instructions 5 Install RM see Installing Radio Modem on page 20 6 Check wiring Before you apply p...

Page 7: ...air for instruc tions Consult the illustration above for positioning Skip this step if the base station is located within 40 12 m of the computer 6 Install RM see Installing Radio Modem on page 20 7 C...

Page 8: ...lar Power Kit and 6 5 Amp Hour Battery see Installing Solar Power Kit Battery on page 20 5 Install Radio Surge Protector optional Consult the manual supplied with the Radio Surge Protector for install...

Page 9: ...by programming and testing the Timer see Finalizing the Installation on page 28 Solar Powered Using Alarm Output Module The illustration below shows a solar powered field station and radio modem RM us...

Page 10: ...Block on page 24 9 Connect Alarm Output Module wires see Connecting Alarm Output Module Wires on page 27 10 Check wiring Before you apply power to the system review your wiring to make sure all conne...

Page 11: ...the PC COM Port Adapter to a serial port on your PC 2 Connect one end of the modular cable to the PC COM Port Adapter 3 Connect the PC RADIO DB 25 Adapter to the DB25 connector on the RM 4 Connect the...

Page 12: ...lect the COM port to which the RM is connected from the COM Port drop down list If you don t know the serial port number start by choosing COM 1 If you get a program error when you attempt to configur...

Page 13: ...oint networking At the present time only the GroWeatherLink soft ware supports Multi Point configurations If you have only one field station you may still want to use the Multi Point configuration It...

Page 14: ...are using Omni Directional If using omni directional antennas orient the antennas at right angles to each other Directional Yagi If using directional antennas place the antennas horizontal at the sam...

Page 15: ...manual for instructions on selecting the correct serial port settings and testing the connection 7 If successful continue with the installation If you receive an error message try testing the connecti...

Page 16: ...Mounting Arm use the Antenna Mast Mount Kit Installing on Sensor Mounting Arm SMA Attach the antenna to the ground plane as shown below screw on until snug Attach the ground plane to the SMA using the...

Page 17: ...wo may be either vertical or horizontal both must be in the same plane however Note If an interfering radio source is nearby it will be helpful to orient the antennas opposite orthog onal to the plane...

Page 18: ...and hex nuts as shown below Attach the antenna mast to the support pipe using the 2 1 4 U bolts washers lock washers and hex nuts as shown below 1 1 4 U Bolt Antenna Mast Flat Washer Lock Washer 1 4...

Page 19: ...s lock washers and hex nuts as shown below Attach the antenna mast to the post using the lag screws and washers as shown below Use a 3 16 4 8 mm drill bit to make pilot holes Antenna Mast Flat Washer...

Page 20: ...ack wire on the battery cable supplied with the Solar Power Kit to the tab adapter see the wiring diagram in Connecting Timer Wires on page 25 or Connecting Alarm Output Module Wires on page 27 Make s...

Page 21: ...e as shown below To install in the Multi Purpose Shelter use the 6 x 3 8 and 4 x 3 8 self tapping screws to secure the mounting plate to the shelter in the location shown below To install on the wall...

Page 22: ...e ANTENNA side of the protector and use the co axial cable supplied with the Radio Surge Protector to connect to the EQUIPMENT side of the protec tor and to the BNC connector on the RM 6 Connect to th...

Page 23: ...ge Protector Antenna Omni or Directional OR To PC 4 1 2 m Modular Cable SR Modem Adapter Short Range Modem Part 7943 WeatherLink PC RADIO DB 25 Adapter L2 WeatherLink Console Base OR Antenna Cable Rad...

Page 24: ...to secure it to the back panel as shown below Installing Terminal Block To mount the terminal block in the Complete System Shelter snap the tabs into the appropriate holes as shown below 4 x 3 8 Self...

Page 25: ...power cable into the Power jack on the RM On the other side of the terminal block connect the black wire from the RM power cable to terminal 1 grey and the red wire to terminal 2 orange Red Red Wht B...

Page 26: ...attery wire to terminal 1 grey and the red white Timer wire to terminal 2 orange Connect the white and black wires from the Timer to the Wht and Blk terminals respectively at B4 on the regulator circu...

Page 27: ...f the power cable into the Power jack on the RM On the other side of the terminal block connect the black wire from the RM power cable to terminal 1 grey and the red wire to terminal 2 orange Red Wht...

Page 28: ...Weath erLink software If using the GroWeatherLink software Version 2 0 or better choose Link Quality Test from the Serial Port dialog box This test will request data from the station and record any e...

Page 29: ...and the charge gain per day from the solar panel The ratio between these two num bers makes it possible to compare the effects of various timing plans Charge Drain per Day The worksheet below will hel...

Page 30: ...A Note The Alarm Output Module enables the RM for a minimum of 48 minutes every day 4 minutes each even numbered hour The timer enables the RM for the amount of time for which you have it set Charge D...

Page 31: ...th the Davis Solar Power Kit provides 0 6 Amp at 1000 W m2 Line F Peak Solar Irradiance The solar irradiance at solar noon at the station site in W m2 Line G Day Length The length of the day in hours...

Page 32: ...ilities A not understood or failed CRC check message may mean you have selected the wrong WeatherLink revision Station Type Error Make sure you are using the correct software for the station to which...

Page 33: ...with another radio is established when lit If the base station s Connected LED is off and then lights it indicates that both receivers and transmitters have made contact Once lighted the LED may rema...

Page 34: ...dio Modem 12 V 1 A AC Power Red Blk Blk Blk Red Radio Modem Battery Solar Panel Regulator B3 B4 Wht Blk 2 1 3 5 Red Wht 4 A _ Timer Solar Powered Using Timer Red Blk Blk Blk 4 A Battery Solar Panel Re...

Page 35: ...Power Circuit Schematics Page 35...

Page 36: ...ios Omni Directional and Directional Yagi Antennas Rev A Manual 7 8 99 This product complies with the essential protection requirements of the EC EMC Directive 89 336 EC WeatherLink is a registered tr...