Davis Instruments Wireless Leaf & Soil Moisture/Temperature... Manuale utente

Wireless Leaf & Soil Moisture/Temperature Station

Installation Manual

For Wireless Vantage Pro2™and Vantage Pro2 Plus™

The Wireless Leaf & Soil Moisture/Temperature Station (referred to in this document

as the Leaf/Soil Station) can be used with any Wireless Vantage Pro2 weather station

to measure leaf wetness, soil moisture, or temperature.

The following Vantage Pro2 console station configurations can be used with the

Leaf/Soil Station:

• Only one Leaf/Soil Station can be installed as a Leaf/Soil Station per Vantage Pro2

Weather Station.

• Two stations can be installed if one is configured as a Leaf Station and the other

station is configured as a Soil Station in the Vantage Pro2 console.

• Configured as a Leaf Station, the Station supports two leaf wetness sensors and

two temperature probes.

• Configured as a Soil Station, it supports up to four soil moisture sensors and tem-

perature probes.

Note: In any station using soil moisture sensors, the corresponding temperature probe, if installed, will be

used for temperature compensation of the soil moisture sensor.

Tools for Setup

In addition to the components shown, you will need some or all of the following

materials:

• Adjustable wrench or 7/16" wrench

• Medium Phillips Screwdriver

• Ballpoint pen or paper clip (small pointed object of some kind)

• Drill and 3/16" (5 mm) drill bit (if mounting on a vertical surface)

• Stepped Sensor Installation Tool for Soil Moisture and Temperature Sensors (rec-

ommended, see page 16)

Station Type in

Console

Configuration

Number of Leaf

Wetness Sensors Number of Soil

Moisture Sensors Number of

Temp Probes

LEAF/SOIL Station 2 4 4

LEAF Station 2 - 2

SOIL Station - 4 4

Components

The Leaf/Soil Station includes the following components and hardware:

Optional Sensors

The following optional sensors are available for the Leaf/Soil Station:

Shelter

3-Volt Lithium

Battery

8" Cable Ties

1/4" x 1-1/2"

Lag Screws

U-Bolts

1/4" Flat Washers

1/4" Lock Washers

1/4" Hex Nuts

Leaf/Soil Station Components

#8 Wood Screws

U-Bolts

1/4" Flat

Washers

1/4" Hex Nuts

Leaf Wetness Sensor

with 40' (12.2 m) of cable

#8 x 3/4"

Machine

Screws

#8 Hex Nuts

#8 Lock Washers

#8 Flat Washers

Optional Leaf Wetness Sensor(#6420)

Soil Moisture Sensor

with 15' (4.6 m) of cable Temperature Probe

with 15' (4.6 m) of cable

Optional Soil Moisture Sensor (#6440) and Optional Temperature Sensor (#6470)

Installation Steps

For ease of installation and use of your Leaf/Soil Station, please follow steps in the

order presented.

• Preparing the station, page 3

• Setting the transmitter ID, page 5

• Choosing a location to mount the station, page 8

• Mounting the station, page 9

• Rules for using the sensors, page 10

• Installing leaf wetness sensors, page 11

• Installing soil moisture and temperature sensors, page 13

• Using soil moisture readings, page 17

If you encounter difficulties or have questions about your station, the following

additional information may be helpful:

• Troubleshooting the sensors, page 18

• Extending Sensor Cables, page 18

• Contacting Davis Technical Support, page 19

• Specifications, page 19

• FCC Warning, page 20

Preparing the Leaf/Soil Station

The following illustrations show the location of the transmitter ID DIP switches, the

battery mounting location, the modular connectors used by the leaf wetness sensors,

and the terminal blocks used to connect the soil moisture sensors and temperature

probes.

Installing the Battery

1. Insert the 3-volt lithium

battery into the battery

holder, matching the “+”

sign on the battery with

the “+” sign next to the

battery mounting

brackets.

2. Note the location of the

DIP switches. You will

work with them during

the next installation step.

Temporarily Connecting a Sensor for Testing

Temporarily connect at least one of the following sensors.

Note: You must have at least one sensor installed in the Leaf/Soil station in order to test wireless com-

munications.

Leaf Wetness Sensor Connection

• Connect the leaf wetness sensor cable to the LEAF

1 or LEAF 2 receptacle by plugging it in the proper

receptacle.

Soil Moisture Sensor Connection

Temporarily connect a soil moisture probe to the SOIL

1 terminal block connector using the following instruc-

tions.

1. Use a pen or small screwdriver to open the

connector “jaws” as shown in the illustration at the

top of the next page.

2. While the jaws are open, insert the temperature probe leads, then let the connec-

tor jaws close in on the lead by removing the pen or small screwdriver.

Note: The soil moisture sensor must be moist to be used for this test. A completely dry sensor will not

3-Volt

Lithium Battery

DIP Switch

Cable Clam

Mount

Leaf Wetness

Sensor Cable

Rubber

Grommets

SENSOR

INTERFACE

MODULE

Cable Clamp

Test LED

Cable Clam

Screw

Temperature Moisture

1 2 3 4 1 2 3 4

Soil Moisture

Sensor Cable

Temperature

ProbeCable

Connecting a Leaf Wetness

Sensor

Soil Temperature Sensor Connection

Temporarily connect a temperature probe to the

TEMP 1 terminal block connector.

1. Use a pen or small screwdriver to open the

connector “jaws” as shown in the illustration to

the right.

2. While the jaws are open, insert the temperature

probe leads, then let the connector jaws close in

on the lead by removing the pen or small screw-

driver.

Setting the Transmitter ID

Each wireless transmitting station must be set to one of eight transmitter IDs. DIP

switches #1, 2 and 3 on the Sensor Interface Module (SIM) allow you to control the

ID — the “channel” the station will transmit on. (DIP switch #4 is used for trans-

mission testing, not for transmitter ID.)

Note: A transmitter and receiver communicate with each other only when both are set to the same ID.

The factory default transmitter ID is ‘1’. Looking at the table below, you can see

that means the DIP switches are in the OFF position when each transmitting station

leaves the factory. This is true for all Davis wireless equipment.

1. Verify the transmitter ID used by your ISS, as well as all other transmitter IDs

already used by your Vantage Pro2 Weather Station.

2. Configure the Leaf/Soil Station to a transmitter ID not already in use.

3. Use a ballpoint pen or paper clip to toggle DIP switches #1, 2, and 3. The settings

for transmitter IDs 1 – 8 are shown in the table below:

ID Code Switch 1 Switch 2 Switch 3

#1(default) OFF OFF OFF

#2 OFF OFF ON

#3 OFF ON OFF

#4 OFF ON ON

#5 ON OFF OFF

#6 ON OFF ON

#7 ON ON OFF

#8 ON ON ON

Connecting a Soil Moisture or

Temperature Sensor

Setting Console/Receiver(s) to Same ID

1. Put your console into Setup Mode — press and hold DONE and press the down

arrow (-).

• The console displays the words: “RECEIVING FROM...” and “STATION

NO.” followed by the transmitter IDs that your console detects. One of these

should be the ID number you just set on the Leaf/Soil Station transmitter. It

can take up to two minutes to show all transmitter IDs received.

• If you don’t see the station on the console screen, make sure the console is

within 10' of the transmitter, and verify that you set the DIP switches cor-

rectly. Wait a few seconds and if you still don’t see it, go to “Troubleshooting

Communication Problems” on the next page.

2. Press DONE to move to “Screen 2: Selecting Transmitters.”

• Setup Mode – Screen 2 is where you will set the console to recognize signals

on that ID as coming from a Leaf/Soil Station.

3. Press the left (<) or right (>) arrows to scroll through transmitter IDs.

• When you see the ID you chose for the Leaf/Soil Station, press the up (+) or

down (-) arrows to activate reception of that ID code. Make sure the screen

shows “ON (ISS)”.

4. Press GRAPH several times to change the station type in the console from ON

(ISS) to ON (LEAF), ON (SOIL), or ON (LEAF/SOIL).

• Configure it as a LEAF Station if you are only using it for leaf wetness and

temperature.

• Configure it as a SOIL station if you are only using it for soil moisture and

temperature.

• Configure it as a LEAF/SOIL station if you are using it for both leaf wetness

and soil moisture.

5. To exit Setup Mode, press and hold DONE.

Note: See the Vantage Pro2 User’s Manual & Setup Guide: “Setup Mode – Screen 2: Selecting Trans-

mitters” for more information.

1234

Battery Holder

DIP Switches

Transmitter DIP Switches in Top-right Corner of SIM

Testing Station Communications

1. If you are using a Soil Moisture sensor to test the station, press TEMP until you

see “SOIL MOIST” displayed on the console screen where the inside

temperature is usually displayed. If you are using a Leaf Wetness sensor, press

HUM until you see “LEAF WET” displayed where you usually see the inside

humidity. Both TEMP and HUM will display temperatures if you are using a

temperature probe to test the station.

• Soil temperature is displayed in the TEMP OUT location on the LCD. Leaf

temperature is displayed below the barometer reading on the LCD.

• If you see SOIL MOIST or LEAF WET and no number, you are seeing the

moisture and temperature readings for sensor pair #1. A two, three or four

will appear above the readings for the second, third or fourth set of sensors.

2. If you continue to press TEMP or HUM, you will see the readings for sensor

pairs #2, #3 and #4 (#3 and #4 are displayed for soil moisture and temperature

only).

• If no sensor is installed, the reading for that sensor will be dashed out.

3. A soil moisture, temperature, or leaf wetness reading confirms communication

between your Leaf/Soil Station and the console.

• Disconnect the sensor(s) that were temporarily installed to test communica-

tions.

• Go on to “Choosing a Location to Mount the Station” on page 8.

If your console does not show a sensor reading, proceed to “Troubleshooting Com-

munication Problems.”

Troubleshooting Communication Problems

First, verify that the console/receiver is powered and is not in Setup Mode (exit

Setup Mode by pressing DONE and holding it for a moment). Then, on the Leaf/

Soil Station, check that the battery is properly installed. Walk around the room with

the console, standing for a few moments in various locations to see if you are pick-

ing up signals.

If you don’t see any readings, no matter where you stand with the console, put the

transmitter in TEST mode as described below.

TEST mode

DIP switch #4 on the SIM (see illustration on page 6) is the TEST DIP switch.

Switch it to the ON position using a ball-point pen or paper clip. This puts the trans-

mitter in Test Mode. The test LED will flash each time the transmitter broadcasts a

signal, which should be about every 2.5 seconds.

If the LED flashes only once and then remains dark, or does not flash at all, there is

a problem with the transmitter. See “Contacting Davis Technical Support” on

page 19.

If the LED flashes repeatedly but your console isn’t picking up a signal anywhere in

the room, it could be related to one of the following causes:

• The DIP switches were not correctly set on the transmitter. Review the procedure

on page 5.

• The ID was not correctly set on the console/receiver. Review the procedure on

page 6.

• Reception is being disrupted by RF (radio frequency) interference.

• There is a problem with the console/receiver. See “Contacting Davis Technical

Support” on page 19.

Note: Remember to turn DIP switch #4 OFF when you’re finished testing wireless transmission. If it is

left ON, the blinking LED will reduce battery life significantly.

Choosing a Location to Mount the Station

Try to position your Leaf/Soil Station as follows:

• With the solar panel positioned for maximum exposure to the sun.

• Within transmission range of your Vantage Pro2 console.See “Range of Wireless

Transmission” on page 8.

• Within cable range of the sensors:

• Leaf Wetness Sensors come with 40’ (12 m) of cable standard and can be

extended up to 200’ (61m) using 6-conductor 26 AWG cable.

• Soil Moisture Sensors come with 15’ (4.6 m) of cable standard and can be

extended up to 1000’ (300m) using #18 gauge UF cable.

• Temperature Sensors come with 15’ (4.6 m) of cable standard and can be

extended up to 800’ (242m) using #24 AWG shielded cable or up to 1200’

(260m) using #22 AWG shielded cable.

Range of Wireless Transmission

The range of wireless transmission depends on many factors. For the best reception,

position the transmitter shelter and your console/receiver as close together as possi-

ble.

The maximum range is up to 1,000' (300 m) in the line of sight, under optimal con-

ditions. Typical range under most conditions is 200' to 400' (75 to 150 m), but this

may be reduced by walls, ceilings, trees, or foliage. Radio-frequency interference

(RF) can also reduce transmission distance. Cordless phones and baby monitors are

common examples of devices that can cause RF interference.

A metal roof or other large metal structure can interfere with the signal. Aluminum

siding, a furnace with metal ducts, and your refrigerator are examples. Sometimes

transmission between wireless units is obscured by something you cannot identify,

or by some obstacle that you can’t work around. If necessary, consider using Wire-

less Repeater #7626 or #7627 to strengthen the signal or increase the distance

between the transmitter and the console/receiver.

Testing Transmission from Proposed Location

It is very important to test reception from the proposed location before permanently

mounting the Leaf/Soil Station.

• Place the shelter at the intended mounting site, or have someone hold it there, so

you can walk around with the console/receiver for a few minutes. Rotating the

antenna so that the transmitting and receiving antennas are parallel to each other

may help to improve reception.

• Test wireless reception anywhere you might want to use or mount your console

and receiver now or in the future. Take your time. If you aren’t picking up strong

signals where you intend to place your console, move the shelter before it is

mounted.

• If you have irregular terrain in the area, it may interfere with the signal. For

example, if the transmitter is mounted downhill from the console/receiver, the

ground may block a wide angle of the transmitted signal.

Mounting the Leaf/Soil Station

Mounting on a Vertical Surface

1. With a 3/16" (5 mm) drill bit, drill two

holes approximately 2" (50 mm)

apart. Use a carpenter’s level to

ensure the holes will be level.

2. Drill two more holes 7-1/32" below

the upper holes.

3. Insert the 1/4" x 1-1/2" lag screws

through the flat washers, and through

the holes at the top and bottom of the

shelter into the post.

4. Using an adjustable wrench or 7/16"

wrench, tighten the lag screws.

Mounting on a Pole

1. While holding the

shelter against the pole,

place a U-bolt around

the pole and through the

two holes on at the top

of the shelter.

Flat

Washer

Lag

Screw

Mounting Station on a Vertical Surface

Flat

Washer

Lock

Washer

Hex

Nut

U-Bolt

Mounting Station on a Pole

2. Place a flat washer, a lock washer and a hex nut on each of the bolt ends.

3. Using an adjustable wrench or 7/16" wrench, tighten the nuts.

4. Place the second U-bolt around the pole and through the two holes at the bottom

of the shelter.

5. Put a flat washer, a lock washer, and a hex nut on each bolt end, and tighten the

hex nuts.

Note: If no soil temperature probe is used, the console will use a default temperature of 75ºF (24ºC) to

compensate the soil moisture sensor readings.

6. To prevent fraying or cutting of cables, secure

them so they will not whip about in the wind.

Secure a cable to a metal pole by wrapping elec-

trical tape around them both. Make sure cables

are secure by placing clips or ties approximately

every 3 – 5' (1 – 1.6 m).

Note: Do not use metal staples or a staple gun to secure cables. Metal staples — especially when

installed with a staple gun — have a tendency to cut the cables.

Rules for Using Leaf, Soil and Temperature Sensors

The following station and sensor configurations are supported by the Leaf/Soil Sta-

tion:

• A station configured as a LEAF station in the console will support two leaf wet-

ness sensors and two leaf temperature probes.

• Leaf temperature probes can be used as you wish to measure air, water, or soil

temperature. Leaf temperature does not affect leaf wetness readings.

• A station configured as a SOIL station in the console will support four soil mois-

ture sensors and four soil temperature probes.

• If you have installed any soil moisture sensors (SOIL 1, SOIL 2, SOIL 3, SOIL

4), the corresponding temperature probes (TEMP 1 for SOIL 1, etc.) will be used

to provide temperature compensation for the soil moisture sensor readings.

• If you want to use a temperature sensor for something besides compensation for a

soil moisture sensor, then you cannot use the corresponding soil moisture sensor.

Station Type in

Console

Configuration

Numberof Leaf

Wetness

Sensors

Number of Soil

Moisture

Sensors

Number of

Temperature

Probes

LEAF/SOIL Station 2 4 4

LEAF Station 2 - 2

SOIL Station - 4 4

Cable Clip Cable Tie

Securing Cables with Clips and Ties

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