FARM SCAN canlink 3500 User manual

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Version 5.00
Airseeder VRC
Canlink 3500 Airseeder VRC

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System Overview
The canlink 3500 is a flexible instrument designed to fulfil a variety of monitoring, guidance and
control operations using GPS equipment.
The canlink VRC cab module is setup to run variable rate control of the airseeder through a
processor (pod), mounted on the airseeder that manages up to 4 bin metering units and monitors
essential airseeder functions.
When calibrating the bins, seed and fertiliser calibration factors can be stored for up to 24 product
names, saving considerable time in the field when leaving one crop and entering another. Product
names can be edited to reflect specific seed varieties or fertiliser names.
Trip names can be edited to reflect true field names or numbers. Records of actual product areas
and weights are automatically maintained for each trip as well as overall totals of each product
applied.
Product rates set for each bin, can be pre-programmed for up to 100 trips (fields) then simply
recalled by the operator when required. Bins can be individually switched ‘off’or ‘on’from the cab
and application rates can be manually increased or decreased in predefined steps.
Selected rates are automatically governed by ground speed and machine operation can be stopped
at any time by pressing the “RUN/HOLD”key or by lifting the implement, if an optional ram
position sensor is installed.
The canlink provides monitoring of twin fan speed, dual air pressure, bin levels and product
metering shafts with selectable alarm points on critical functions and a control lockout if fan rpm is
too slow.
After initial installation of tractor components, refer to the airseeder manufacturer’s instructions for
correct configuration of bin controls, sensors, machine parameters and recommended alarm points.
See Steps 2 to 5 of the Setup section for instructions. Follow the procedure for product calibration
in Step 3 after initial setup is completed.
All system configuration and calibration factors including product and trip names are permanently
stored in the canlink for reuse at any time. It is recommended to recheck calibration factors before
each sowing season to account for variations in product densities.
A new feature now available on the canlink 3500 platform is parallel guidance. In guidance mode,
activated by pressing the “MODE”key a virtual road, steering prompts, row counter, heading and
cross track error are displayed. A boundary and headland function enables field area to be
calculated while notifying the operator when headland areas have been entered.
With GPS/DGPS connected to the canlink, the data card slot allows application rates to be logged,
for comparison with yield maps. With DGPS/GPS and an application map using adata card, the
canlink will automatically apply the rates assigned in the map.
Future product developments can be uploaded via the data card slot.

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Contents
Step 1...........................................................................................................................................4
1.1 - Units Selection.............................................................................................................................. 4
1.2 –Pod Selection................................................................................................................................ 5
Step 2...........................................................................................................................................6
2 - Drive Setup...................................................................................................................................... 6
Step 3.........................................................................................................................................17
3.1 - Product Calibration ..................................................................................................................... 17
3.2 –Target Rate and Step Size ........................................................................................................... 29
3.3 - Fine Tuning Calibration Factors.................................................................................................... 30
3.4 - Reusing Product Calibration Factors............................................................................................. 32
Step 4.........................................................................................................................................33
4.1 - Machine Calibration.................................................................................................................... 33
Step 5.........................................................................................................................................35
5.1 - Alarms Setup.............................................................................................................................. 35
5.3 - Air Pressure Alarm (where fitted) ................................................................................................. 38
5.4 - Drive Ratio/Shaft Alarms (where fitted) ........................................................................................ 39
5.5 - Bin Level Alarm........................................................................................................................... 41
5.6 - Depth Alarm (where fitted).......................................................................................................... 42
5.7 - Aux Alarm (where fitted)............................................................................................................. 43
5.8 –Pump 1 & Pump 2 Speed (where fitted)....................................................................................... 44
5.9 –Bin Liquid Pressure Alarm (where fitted) ...................................................................................... 45
Step 6.........................................................................................................................................46
6.1 - Options Setup............................................................................................................................. 46
6.2 - Pod Selection.............................................................................................................................. 46
6.3 –Run/Hold Input........................................................................................................................... 47
6.4 - Units........................................................................................................................................... 48
6.5 - Prime.......................................................................................................................................... 48
6.6 - Two Tenths of a Hectare ............................................................................................................. 48
6.7 - External Hold 4th Bin.................................................................................................................... 49
Step 7.........................................................................................................................................50
7.1 - Display Setup.............................................................................................................................. 50
7.2 - Contrast ..................................................................................................................................... 50
7.3 - Backlighting................................................................................................................................ 51
7.4 - Display Invert .............................................................................................................................. 51
7.5 - Lightbar Brightness ..................................................................................................................... 51
Step 8.........................................................................................................................................52
8.1 - Time, Date and GPS Setup........................................................................................................... 52
8.2 - Time........................................................................................................................................... 52
8.3 - GPS............................................................................................................................................ 53
Step 9.........................................................................................................................................54
9.1 - Data Card & Logging Interval....................................................................................................... 54
9.2 - Logging Interval.......................................................................................................................... 55
9.3 –Upload Software ........................................................................................................................ 56
9.4 –Application Maps ....................................................................................................................... 57
Step 10.......................................................................................................................................59
10.1 - Guidance Setup ........................................................................................................................ 59
10.2 - Guide Sensitivity........................................................................................................................ 59
10.3 - GPS to Implement..................................................................................................................... 60

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10.4 - Headland Hold.......................................................................................................................... 60
10.5 - Nudge ...................................................................................................................................... 61
Operation..................................................................................................................................62
Run/Hold Operation ............................................................................................................................ 63
Alarm Key........................................................................................................................................... 64
Cal Key............................................................................................................................................... 64
Mode Key........................................................................................................................................... 65
Main Screen ..............................................................................................................................66
Main Screen Features.......................................................................................................................... 66
Bin Controls........................................................................................................................................ 74
Auto Control....................................................................................................................................... 79
Records Screen..........................................................................................................................84
Guidance ...................................................................................................................................91
Boundary............................................................................................................................................ 91
Parallel Swath Guidance...................................................................................................................... 95
Flag .................................................................................................................................................. 104
Nudge .............................................................................................................................................. 106
Data Card Operation ..............................................................................................................107
Insert Data Card................................................................................................................................ 107
Remove Data Card............................................................................................................................ 107
Erase Data Card................................................................................................................................ 109
How the canlink Logs Data................................................................................................................ 110
Upload Software............................................................................................................................... 111
Data Card Formatting........................................................................................................................ 112
Diagnostics..............................................................................................................................114
Troubleshooting .....................................................................................................................115

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Step 1
1.1 - Units Selection
To display quantities in US imperial units follow the steps below. Otherwise skip to “1.2 –Pod
Selection”on the next page.
Note
Default setting is units displayed in metric.
1.1.1 - Select US imperial
1. Press “CAL”key. The calibration menu appears.
2. Highlight “OPTIONS”.
3. Press the softkey pointing at “UNITS”.
4. Use the up and down arrow keys to toggle between “METRIC”and “US”.
EXIT
RATES
ALARMS DIAGNOSE
PRODUCT
MACHINE DISPLAY
DATA CARD
CLOCK/GPS
SETUP
GUIDANCE
OPTIONS
EXIT
POD SELECTED - 3500
RUN/HOLD INPUT DISABLED
BACKPOD
UNITS
PRIME 2/10 HA55
EXTERNAL HOLD 4TH BIN
DISABLED
KM/HR
SECS
CAL
METRIC
Use arrow keys to
highlight “OPTIONS”
Press CAL to enter
options menu
Press to
highlight “UNITS”
CAL
Use up and down
arrow keys to select
“METRIC”or “US”
CAL
Press CAL to enter
calibration menu

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1.2 –Pod Selection
The canlink 3500 controller will work with either the 3500 or 3000 control pod versions. Whereas,
the canlink 3000 will only work with the 3000 control pod. The control pod version must be
selected before starting calibration.
For versions of pod software 5.##.## or higher select the 3500 pod. For versions of pod software
3.##.## or lower select the 3000 pod.
Note
Control pod software is displayed in the “CONTROL SETUP MENU”.
1.2.1 - Select Pod
1. Press “CAL”. The calibration menu will appear.
2. Use the arrows to highlight “SETUP”then press “CAL”.
3. The “CONTROL SETUP MENU”will appear. The pod software version will appear in the top of
the screen.
4. Press the bottom “POD”softkey to toggle between 3500 and 3000.
5. Select “3500”if version 5.##.## is displayed. If version 3.##.## is displayed select “3000”.
EXIT
POD SELECTED - 3500
RUN/HOLD INPUT
BACKPOD
UNITS METRIC
PRIME 2/10 HA55
EXTERNAL HOLD 4TH BIN
DISABLED
KM/HR
SECS
Press to select
pod software
3000 or 350
0
3000 or 350
0
available
DISABLED

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Step 2
2 - Drive Setup
Drives for each bin must be selected and calibrated (setup) before operation.
2.1 –Drives Available
Bins 1, 2 & 3 Bin 4 Output 5 & 6 Description
DC MOTOR DC MOTOR 12 volt DC motor
GATE ACT GATE ACT Linear actuator over belt (ground drive)
GEAR BOX GEAR BOX Linear actuator over gear box (ground
drive)
HYD PROP 2 HYD PROP 2 Hydraulic proportional valve with
dither
HYD PROP/XPRO HYD PROP/XPRO Hydraulic proportional valve
HYD MFC HYD MFC Motorized flow control valve
HYD DANFOSS HYD DANFOSS Hydraulic PVG32 Danfoss valve
(proportional valve)
HYD DANFOSS L HYD DANFOSS L Hydraulic PVG32 Danfoss valve
(proportional valve) operating a pump
LIQUID LIQUID Control valve and flow sensor
CLUTCHSOL CLUTCHSOL Solenoid activated clutch on ‘run/hold’
CLUTCHLIN Linear actuated clutch on ‘run/hold’
Section Valve 2 wire Motorised 2 wire section valves
Section Valve 3 wire Motorised 3 wire or solenoid section
valves
Note
An extra control option is available for bin 4: “CLUTCHLIN”(linear actuator clutch).

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2.2 –Setting Up Drives
To calibrate a bin drive, the bin must be enabled and a drive selected. Follow the procedures below
“2.2.1 - Enable Bin Drive”and “2.2.2 - Select Bin Drive”for each bin.
2.2.1 - Enable Bin Drive
1. Press “CAL”key, calibration menu appears.
2. Highlight “SETUP”and press “CAL”. The “CONTROL SETUP MENU”appears.
BIN 1
BIN 2
BIN 3
BIN 4
<PREV NEXT> SELECT RATES BACK EXIT
ENABLED
DISABLED
DISABLED
DISABLED
CONTROL SETUP MENU POD
Press & hold for
3 seconds to
enable Bin 1
3. Press and hold the softkey pointing at the required bin for 3 seconds.
4. Bin will change from “DISABLED”to “ENABLED”.

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2.2.2 - Select Bin Drive
BIN 2
LIQUID
BIN 3
ENABLED
DISABLED
SETUP OK
DISABLED
DISABLED
CONTROL SETUP MENU POD
Press to setup
control option
Use to select
correct control
type
CAL
BIN 1
BIN 4
<PREV NEXT> SELECT RATES BACK EXIT
OUTPUT 6
DISABLED
DISABLED
CONTROL SETUP MENU POD
<PREV NEXT> SELECT BACK EXIT
OUTPUT 5
1. Use up & down arrow keys to select correct drive, eg DC MOTOR, GATE ACT etc.
2. Press “SELECT”softkey at bottom of screen.
3. A screen to calibrate the selected drive will appear, eg “MOTOR CALIBRATION”, “ACTUATOR
LIMITS”etc.
4. Find the selected drive and follow the instructions given in the following pages for the selected
drive.

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DC Motor
1. Check “MOTOR CALIBRATION”screen is displayed. See below.
2. Press the bottom “START”softkey.
3. Press the green button on the pod. The motor will run for 5 seconds at maximum speed.
Caution!
Product will be metered if the bin is not empty.
4. Once the motor stops press the bottom “END”softkey.
5. The “MAX RPM”, “PWM”and “FAC”factors will be updated, indicating the drive is now
calibrated.
Control Factors
PPM: The number of pulses per minute generated by the motor at full speed. This value
should closely match the motor’s rpm specification. In some cases it will be a multiple
of the motor’s rpm depending on the number of feedback magnets used.
PWM: Pulse width modulation.
FAC: A control factor related to the motor’s pulses per minute (ppm) value. The higher this
value, the slower or more damped the control will be.

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Linear Actuator over Gearbox
No setup screen is displayed. The gearbox drive is immediately calibrated upon selection.
Hydraulic Proportional & Danfoss
1. Check “MOTOR CALIBRATION”screen is displayed. See below.
2. Press the bottom “START”softkey.
3. Press the green button on the pod. The motor will run for 5 seconds at maximum speed.
Caution!
Product will be metered if the bin is not empty.
4. Once the motor stops press the bottom “END”softkey.
5. The “MAX RPM”, “PWM”and “FAC”factors will be updated, indicating the drive is now
calibrated.
Control Factors
MAX PPM: The number of pulses per minute generated when the control valve is driven open at
full speed.
FACTOR: Control factor related to the motor’s ppm value. The higher this value the slower or
more damped control will be.

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Hydraulic Motorised Flow Control
1. Check the “MOTORISED VALVE CALS”screen is displayed. See below.
2. Press the “START”softkey at the bottom of the screen.
3. Press green button on pod. The control valve will open and then close after five seconds.
4. Press the “END”softkey and a maximum ("MAX") pulses per minute factor will be returned.
5. Set the "SPD" and "STEP" values to 60 and 1 respectively.
6. Press the “BACK”softkey at the bottom right of the screen. Check “SETUP OK”is displayed.
Control Factors
MAX PPM: The number of pulses per minute generated when the control valve is driven open at
full speed.
SPD: Control valve driving speed. The greater this value the slower the set point will be
reached. If this value is too low overshooting will occur.
STEP: Control valve driving step size. The larger this value the more the control valve will be
moved in one step and the quicker the set point will be reached.

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Output 5 & 6
These two outputs are only selected if “LIQUID”or “HYD DANFOSS L”is being used. Output 5 & 6
have the ability to run two wire and three wire master on/off valves for liquid only. They must be
associated with a bin 1, 2, 3 or 4. There can only be one master on/off valve per bin.
They are selected as follows –
Valve 2 wire –master on/off valve is two wire configuration.
Valve 3 wire –master on/off valve is three wire configuration.
Output 5 & 6 must be associated to the liquid bin. This is done in the following screenS –
The above shows OUTPUT 6 –VALVE 2 WIRE set up as the master on/off valve for Bin 1. Therefore
when Bin 1 is turned off or placed on hold OUTPUT 6 will trigger the master valve in the liquid
manifold.

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Liquid
Liquid control is available on all four bins. It is typically set up on bin 4 however the 3500 software
will allow it to work on four bins.
Note: Prior to selecting liquid, if a master valve is being used with the liquid then this must be
selected. See OUTPUT 5 & 6.
1. Check “BIN # LIQUID”is displayed. See below.
2. Select Control Type “Bypass”or “Direct”see “Bypass and Direct Control Explained”.
3. Select Control Valve Hold Status “Open”, “Close”or “Hold”see “Bypass and Direct Control
Explained”.
4. Press the bottom “START”softkey.
5. Press the green button on the pod.
1. PRESS START THEN GREEN BUTTON ON POD
TO RUN MOTOR FOR 5 SECONDS.
2. PRESS END WHEN FLOW STOPS TO
READ FACTOR.
START END BACK EXIT
BIN # LIQUID
CTRL- DIRECT HOLD- CLOSE
Use during setup
GREEN RED
Press green button
on pod after pressing
“START”softkey
MAX RPM : 0 SPD 60 STEP 1
6. The control valve (and Master On/Off Valve if fitted) will open then close again after five
seconds.
7. Press the “END”softkey. A “MAX”pulses per minute factor will be returned.
8. Repeat steps 4 & 5, if the system was not primed initially.
9. For liquid control, initially set the SPD and STEP values to 60 and 1 respectively.
10.Press “BACK”softkey. Check “SETUP OK”is displayed under the drive to confirm it has been
set up correctly.

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Bypass and Direct Control Explained
Pictured below is an example of Bypass control and Direct Control. Please consult your airseeder
manufacturer if you are unsure of which control is being used.
BYPASS CONTROL
This type of control requires a Master On/Off Valve setup on either OUTPUT 5 or 6. This type of
control regulates the flow back to the tank, which in turn controls the amount of fluid output to
the airseeder bar.
The user has a choice on how the Control Valve positions itself during the Hold period –Open (max
available pressure to implement), Close (max flow back to tank) and Hold (control valve remains in
control position when on hold).
DIRECT CONTROL
This type of control does not require a Master On/Off Valve setup on either OUTPUT 5 or 6. This
type of control regulates the flow through the flow meter (and section valve if fitted) and out to
the airseeder bar.
If a Master On/Off valve has been fitted the user has a choice on how the Control Valve positions
itself during the Hold period - Open (max available pressure to implement), Close (no flow) and
Hold (control valve remains in control position when on hold).

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Hydraulic Danfoss L
Hydraulic Danfoss Liquid control is available on all four bins. It is typically set up on bin 4 however
the 3500 software will allow it to work on four bins.
Note: Prior to selecting Hydraulic Danfoss Liquid a master valve must be selected. See OUTPUT
5&6.
1. Check “MOTOR CALIBRATION”screen is displayed. See below.
2. Press the bottom “START”softkey.
3. Press the green button on the pod. The motor will run for 5 seconds at maximum speed and
Master On/Off Valve if fitted will open then close again after five seconds.
4. Press the “END”softkey. A “MAX”pulses per minute factor will be returned.
5. Repeat steps 4 & 5, if the system was not primed initially.
6. Press “BACK”softkey. Check “SETUP OK”is displayed under the drive to confirm it has
been set up correctly.

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Linear Clutch
No setup screen is displayed. The linear clutch drive is immediately calibrated upon selection.
Clutch Solenoid
No setup screen is displayed. The clutch solenoid drive is immediately calibrated upon selection.

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Step 3
3.1 - Product Calibration
Before seeding, product calibrations must be created. Product calibrations are the “PULSES/KG”or
“PULSES/L”values seen in the rates screen.
Each product calibration factor is bin and product specific. Product calibration factors are calculated
by dividing the number of test pulses by the test weight.
Follow the instructions 3.1.1, 3.1.2, 3.1.3 and 3.2 for all products.
3.1.1 - Before Calibrating
1. Check bins contain actual product to be applied.
2. The airseeder must be stationary.
3. Current trip records must be reset. See below.
Reset Trip
1. Press “RECORDS”key. Records for the current trip will appear.
2. Press “RESET”key twice to clear all trip records.

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3.1.2 - Select Bin & Product
1. Press “CAL”. Calibration menu appears.
2. Highlight “RATES”and press “CAL”. The “TRP001 RATES”menu appears.
Note
If trip 2 or any other trip is active, the “TRP002 RATES”or other menu will appear.
3. Press softkey pointing at bin number. Use up and down arrow keys to select bin number.
4. Press softkey pointing at “SELECT PROD”. The “PRODUCT SELECTION MENU”screen appears.
Note
If records for the current trip have not been cleared, a message prompting you to clear the
current trip will be displayed. Follow the steps below to reset trip records.
Reset Trip Records
1. Press “RECORDS”key.
2. Press the “RESET”key twice to clear all records.
3. Press the “RATES”softkey to return to the rates menu.

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5. Press the bottom “<PREV”or “NEXT>”softkeys to display the product to select.
6. Press the left hand softkey pointing at the product, until it has the >> arrow heads next to it.
7. Press the bottom “SELECT”softkey.
8. The rates screen will be displayed with the selected product displayed.
Note
See section “Changing Product Names”in the Operation section of the manual to change product
names and set the product type as either liquid or solid.