Stocks AG MM 117A Use and care manual

1
Micrometer
Installation, Calibration and
Operation
Software Reference WZ704-000 rev.15
Electro-Magnetic Compatibility (EMC)
This product complies with Council Directive
89/336/EEC when installed and used in accordance
with the relevant instructions.
Service and Technical Support
Stocks Ag Ltd, Cromwell Rd, Wisbech
CAMBS. PE14 0SD, UK
Tel: [phone]
Fax: [phone]
www.stocks-ag.co.uk
© Copyright RDS Technology Ltd 2014
Document number
S/DC/500-10-632 : Issue 3 : 14.1.14
\UK632300.DOC

STOCKS AG – MICROMETER APPLICATOR CONTROL SYSTEM
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Contents
1. Overview_________________________________________4
1.1 Programming Modes..........................................................................................4
2. Installation_______________________________________5
2.1 Parts List- Kit Ref P/STOCKS/MICRO................................................................6
2.2 The Head Unit.....................................................................................................7
2.3 The ‘Tractor Terminator’ Assembly...................................................................8
2.4 Power supply......................................................................................................9
2.5 Radar sensor.......................................................................................................9
2.6 Cutout switch....................................................................................................10
3. Normal Operating Mode_________________________ 11
3.1 Operating Summary.........................................................................................11
3.2 Power On/Off....................................................................................................12
3.3 Work Status Indicator.......................................................................................12
3.4 Starting and Stopping the Seeder...................................................................12
3.5 Pre-start function ..............................................................................................12
3.6 Cutout Alarm.....................................................................................................13
4Forward Speed Display__________________________ 14
4.1 View Forward Speed........................................................................................14
4.2 Minimum Speed Alarm.....................................................................................14
4.3 Speed Sensor Calibration................................................................................14
4.4 ‘Autocal’ Speed Calibration.............................................................................15
5Area Display ___________________________________ 16
5.1 View Area Totals...............................................................................................16
5.2 Zero Area Total.................................................................................................16
5.3 Set Implement Width........................................................................................17

STOCKS AG –MICROMETER APPLICATOR CONTROL SYSTEM
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6. Drilling Rate Functions __________________________ 18
6.1 View Drilling Rate.............................................................................................18
6.2 Adjusting the Drilling Rate...............................................................................18
6.3 Drilling Rate Indicator.......................................................................................18
6.4 Changing the Target Rate ...............................................................................19
6.5 Product Calibration..........................................................................................20
6.6 Set % Step for Rate Offset...............................................................................21
7. Hopper level Alarm______________________________ 22
8. Programme Functions and Fault Diagnosis _______ 23
8.1 Programme (CAL) Modes 1 – 4.......................................................................23
8.2 Fault Diagnosis.................................................................................................24
9Calibration Record______________________________ 25

STOCKS AG – MICROMETER APPLICATOR CONTROL SYSTEM
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1. Overview
The Micrometer Applicator Control System enables fully automatic control of
the seed rate of the Stocks Micrometer pneumatic Applicator.
The Micrometer automatically maintains a preset application rate as forward
speed varies, with on-the-go adjustment of rate. The instrument measures and
indicates;
Forward Speed
Part Area and Total Area worked
Seed Application Rate (kg/ha)
Low Hopper Level
There are also audible and display alarms for,
Minimum / maximum forward speed (beyond which the programmed seed rate
cannot be maintained).
Feed motor stopped (no feedback)
Feed motor stalled
The head unit is powered on and off via a toggle switch on the rear of the
instrument.
A pushbutton switch in the cab is used to manually switch the feed motor on
and off. The feed motor is also switched on and off automatically via the
implement-mounted cutout finger switch as the implement is raised and
lowered.
Area totals and all calibration data are automatically stored in memory when
the instrument is powered off.
The system must be initially calibrated for the seed being applied. Seed
calibration is very simple to undertake via a priming switch provided on the
junction box fitted on the drill.
1.1 Programming Modes
There are 4 programming modes with various calibration factors and default
settings. Access to the programming modes is required for some settings that
may be changed as part of the normal operating procedure. Changing these
settings is described with the operation instructions (sections 4,5,6 and 7).
Other settings are made on installation and do not normally need to be
changed. These settings are appended to in the back of this manual (section
9). The operator does not normally need to refer to them.

STOCKS AG –MICROMETER APPLICATOR CONTROL SYSTEM
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2. Installation
Figure 1
Head Unit
MM117A
Manual
Cutout
Switch
Power supply
Junction Box
Assy
MM119A
View on side of J/Box
- ‘Prime’ button
Automatic
Cutout Switch
TJ252
Radar Sensor
TJ237
(shown as fitted on Drill, but can be
fitted on tractor and wired into
Tractor Terminator Box)
Hopper Level
sensor
Feed Motor
Tractor Terminator
Assy
MM118A
6m Extension cable

STOCKS AG – MICROMETER APPLICATOR CONTROL SYSTEM
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2.1 Parts List- Kit Ref P/STOCKS/MICRO
The kit contains the following parts,
RDS Part No. Description Qty
MM 117A Stocks AG Micrometer Head Unit 1
MM 118A Stocks AG Switch and Tractor Terminator Assy 1
MM 119A Stocks AG Micrometer Junction Box Assembly 1
TJ237 Radar Sensor Kit (including mounting bracket
and fixings) 1
TJ252 Finger Cutout Switch Kit (supplied with separate
PG9 cable Gland) 1
TJ235 Head Unit Mounting Kit 1
6m Extension Cable (Junction Box-Terminator) 1
Cable Tie 25
Options:
MM107A Battery Power Cable (fused)
All Micrometer Applicator Control System components integral to the
MicroMeter unit are factory fitted. The remaining components need to be
installed in the field,
Head Unit MM117A
Tractor Terminator Assy MM118A
Radar Sensor (onto the drill or the tractor). TJ237
Finger Cutout Switch (onto the drill or the tractor) TJ252
A 6-metre extension Cable lead interconnects the tractor and the MicroMeter.

STOCKS AG –MICROMETER APPLICATOR CONTROL SYSTEM
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2.2 The Head Unit
Confirm with the operator on where to mount the head unit in the cab. It must
not restrict the view out of the cab, nor impede the use of the controls. The
head unit is fitted with a 1-metre flying lead terminating with an 8/10-way IDC
type connector, ready for connection into the "Terminator" junction box.
The head unit is supplied with mounting kit ref: TJ235 comprising the following
parts (fig. 2):
1 Long Bracket
1 Short Bracket
3 Clamping Knobs
1 Cover Plate
1 Mounting Plate
2 Self Tapping Screws
1. Snap the cover plate into the recess of the
long bracket (it only fits one way).
2. The instrument mount is designed to offer
maximum flexibility in positioning the
head unit, either from the right hand side
of the cab, from the dashboard or from an
overhead position.
Assemble the two brackets, and mounting
plate with clamping knobs, and attach to
the head unit.
NOTE: Either the long or short bracket can be
attached to the head unit, whichever gives
the most suitable orientation.
Having established the orientation for the
bracket, fix the mounting plate to the cab
with the self-tapping screws provided.
Do not drill into a ROPS or FOPS frame.
If you are fixing the mounting plate to plastic e.g. the dashboard or other cab
moulding, it is recommended to use M4 screws with mudwing washers to
strengthen the mounting point.
Do not attempt to adjust the mounting bracket assembly without first
slackening off the clamping knobs sufficiently. You will only succeed in
damaging the bracket otherwise.
Figure 2 : Head Unit Mounting Kit

STOCKS AG – MICROMETER APPLICATOR CONTROL SYSTEM
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2.3 The ‘Tractor Terminator’ Assembly
Mount the pushbutton Cutout Switch in a convenient position using 2 self-
tapping screws.
Remove the lid of the terminal box by squeezing the sides and connect the
head unit lead as shown in figure 3 below.
The Terminator is not a waterproof enclosure. Locate it where it is afforded
protection from possible water ingress and for neatness e.g. behind a trim
panel or console.
Figure 3 : Head unit connection
NOTE: The head unit receives its power supply via the junction box on the Micrometer
(see figure 1). The power supply terminals in the Terminator are not used.
The circular (CPC) connector trails to the back of the tractor to connect with the
6-metre extension lead going to the junction box.
10
-
way connector
to PL1
(RED wire)
8
-
way connector
to PL2
(RED/BLUE wire)

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2.4 Power supply
The system is powered via the COBO connector.
2.5 Radar sensor
The radar sensor may be fitted either to the drill or to the tractor. For fitting
instructions please refer to the separate instruction leaflet ref. S/DC/500-10-511
provided.
Connecting a drill-mounted radar sensor:
Simply connect the radar sensor lead to the lead from the Micrometer junction
box (3-way Weatherpak connector). Coil any excess lead near the junction box
and secure the lead from the sensor at regular intervals using the cable ties
provided.
Connecting a tractor-mounted radar sensor:
Open the Micrometer junction box and remove the sensor extension lead with
the 3-way WeatherPak connector (fig. 4). Plug the hole to prevent water
ingress.
Figure 4
Connect the extension lead to the sensor and route back to the Terminator
junction box. Where possible follow the existing wiring loom and secure at
regular intervals using the cable ties provided.
Remove the lid of the terminal box by squeezing the sides, cut off excess cable
length and connect the head unit lead as shown in figure 5 below.
Remove the radar
sensor lead

STOCKS AG – MICROMETER APPLICATOR CONTROL SYSTEM
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Figure 5
The default speed sensor calibration factor (SSF) programmed in the head unit
= ‘7.78’ (millimeters/pulse). This is theoretically correct for the radar sensor
when it is installed at exactly the specified angle to the ground. Often though,
the sensor may not be exactly at the prescribed angle. It is therefore
recommended that to ensure accurate speed measurement, you check the
calibration value by performing an ‘Autocal’ procedure (please refer to section
4.4).
2.6 Cutout switch
The implement-mounted cutout finger switch enables the system to
automatically start and stop operation as the drill is lifted and lowered. It
therefore needs to be mounted in a suitable position to operate as the drill
enters work.
NOTE: For fitting instructions please refer to the separate instruction leaflet ref.
S/DC/500-10-121 provided.
1
Brown (+V)
2Blue (0V)
3Yellow/Green (Sig)

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3. Normal Operating Mode
3.1 Operating Summary
Press to select
the Display
Function
Decrease
Rate
Channel
Indicator
Increase
Rate
EITHER:
1. View Area Total
Select the (Area Total)
channel, then press the CAL
button to switch between
Area Total 1 and Area Total
2.
2. HOLD continuously for 10
seconds to enter
CAL Mode 1 / CAL Mode 2
(Normal Mode is resumed
when the button is released).
CH
Function
Units
1 Forward Speed km/h
2 Area Total 1 or 2 ha
3 (No function) -
4 Seed Rate kg/ha
5 (No function) -
6 Hopper level Status -
These channels have different functions when
the instrument is in Programme (CAL) Mode 1,
2, 3, or 4
With Area display
selected, press and
HOLD for 5 secs to zero
the selected area total
or,
HOLD whilst powering
on to enter CAL Mode 3
Target rate
Indicator

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3.2 Power On/Off
Switch the head unit on via the toggle switch on the rear of the instrument.
The instrument powers up and displays the software version installed e.g.
‘A704’ then ‘Exxx’ then ‘Rxxx’ (software version WZ704-xxx rev.xxx). It then
enters its normal operating mode and displays the forward speed channel.
Select any other channel by pressing the (Channel Select) button once or
more.
When the drill is out of work, the instrument will continue to display the selected
channel.
3.3 Work Status Indicator
The indicator is used to indicate the channel to which the information on
the display relates.
It also shows the working status of the drill. If the cursor is flashing then the
drill is out of work, if the cursor is on continuously then the drill is in work.
3.4 Starting and Stopping the Seeder
The pushbutton switch is used to manually switch the feed motor on and off
when the drill in work*.
The drill is also fitted with a cutout finger switch so that the feed motor starts
and stops automatically when the drill is lowered and raised e.g. on the
headlands.
* The pushbutton switch is not effective when the drill is raised out of work, as it is
overidden by the operation of the cutout switch mounted on the implement.
3.5 Pre-start function
On commencing a bout, the seed motor only starts as you begin moving off.
However, it takes a short period for the seed to traverse the pipe to the coulter.
The result is an unseeded area at the beginning of a bout.
To avoid unseeded patches due to the delay in seed delivery, once positioned
and stationary at the start of the bout, press the outside right switch (“RATE
+”). The pre-start function is activated and the motor then runs at the
calibration speed, so that seed is planted as you move off.
The pre-start function is timed to run the motor at the calibration speed for a
number of seconds programmed. After this time and the drill is moving
forwards, the system reverts to normal proportional control for the seed rate
set. However, if after this time the drill is still stationary, the motor will
automatically switch off.

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3.6 Cutout Alarm
If the forward speed exceeds 2km/h with the drill ‘out of work’, the instrument
will alarm by beeping and flashing ‘C.out’ every 5 seconds. The alarm will
continue until the drill is lowered into work.

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4 Forward Speed Display
4.1 View Forward Speed
The forward speed is derived from a radar
sensor fitted either to the drill, or the tractor,
depending on your particular installation.
The speed is displayed in km/hr only.
4.2 Minimum Speed Alarm
As part of product calibration, based on the resulting calibration factor, the
instrument automatically calculates the minimum forward speed below which
the system cannot maintain the programmed seed rate.
With the drill in work, if the forward speed goes below this threshold the
instrument display defaults to channel 1, flashes the actual speed and beeps
continuously. The alarm will continue until speed is increased above the
threshold. It may be cancelled temporarily by selecting another channel but
will revert to channel 1 and repeat the alarm after 30 seconds until speed is
increased.
NOTE: The application rate will not remain proportional below the minimum speed
threshold. The feed motor cannot run below 3 rpm, resulting in over-application.
4.3 Speed Sensor Calibration
The forward speed is derived from the speed sensor factor (“SSF”) – the
distance travelled in millimetres for each pulse received from the radar speed
sensor. The default factor is 7.8mm per pulse from the sensor. This will only
result in a correct speed display if the sensor has been mounted at the correct
angle to the ground.
Failure to programme the correct speed sensor factor will also result in the
drilling rate being displayed incorrectly. Auto-calibration is likely to be more
accurate than manual calibration and therefore it is recommended to perform
an "Autocal" routine (see overleaf).
Figure 6 : Select Fwd. Speed

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4.4 ‘Autocal’ Speed Calibration
Auto-calibrate in field conditions for
maximum accuracy.
1. Place two markers 100 metres apart and
position some reference point on the tractor
(e.g. the cab step), opposite the first
marker.
2. Select the forward speed channel.
3. Press and hold the CAL button until the cal
factor appears on the display.
4. Continue holding the CAL button and press
the Ha>0 button.
The display will show "AUtO" ready to start
the test run (fig. 7).
5. Drive up to the second marker and stop
exactly opposite the marker. The instrument
counts and displays the pulses received
from the speed sensor over the measured
distance.
NOTE: The instrument only displays up to 9999.
Beyond this number of pulses it displays the
first 4 digits of a five-digit number, however
the pulses are still being counted internally.
6. Press the Ha>0 button (fig. 8). The
calibration factor is automatically calculated
and stored in memory. The instrument then
returns to the normal display mode.
Figure 8: Stop Autocal
Figure 7: Start AutoCal
100 metres
6
5
3
4
2

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5 Area Display
5.1 View Area Totals
The area display is derived from the forward
speed input and the programmed
implement width.
There are two area registers. Each can be
independently reset to zero.
Press the CAL button to toggle between the
two area registers 'tot.1' and 'tot.2'.
The display then shows the area
accumulated since that total was last reset.
5.2 Zero Area Total
1. Select the total 1 or total 2 and release.
2. HOLD the Ha>0 button for 5 seconds.
The display flashes and the instrument
sounds 5 beeps, before the total resets to
zero.
Figure 11: Zero Area Total
Figure 10: Select Area Register 1 / 2
Figure 9: Select Area Channel
1
2

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5.3 Set Implement Width
1. Select the Area Total channel ( ).
2. Press and hold the CAL button for 5
seconds. The display will flash "tot.1", then
"tot.2" then show the programmed
implement width (fig. 12).
Default width = 4 metres.
3. Continue holding the CAL button and
PRESS to select the digit/decimal point
to change.
4. HOLD to change the digit (or move the
decimal point). Releasing the button selects
the next digit (fig. 13).
5. Release the CAL button to return to the
normal display mode.
Figure 13 : Change Implement Width
Figure 12 : View Implement Width

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6. Drilling Rate Functions
6.1 View Drilling Rate
This channel displays the current drilling rate
in Kg/Ha only.
The resolution for Kg/Ha units is:
0 to 24.9 0.1 Kg
25 to 250 1 Kg
250 to 9995 5 Kg
6.2 Adjusting the Drilling Rate
Press the RATE - button to decrease the
drilling rate.
Press the RATE + button to increase the
drilling rate.
The rate adjusts by the % step programmed
in programme mode 3, i.e. 5%, 10%, 15%,
20% or 25% of the programmed target or
base drilling rate.
6.3 Drilling Rate Indicator
The left indicator is used to remind the
operator of his drilling rate. When the
indicator is in position 2, then the drill is
operating at the target rate.
If the indicator is in position 1 then the actual
rate is increased from the target rate.
If the indicator is in position 3 then the actual
rate is decreased from the target rate.
Figure 14 : View Drilling Rate (kg/ha)
Pos. 1
Pos. 2
Pos. 3

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6.4 Changing the Target Rate
If the drilling rate is currently at the target
rate (the rate indicator at position 2), then:-
1. With the rate display selected, press and
hold either the RATE + button or the
button RATE - button for 5 seconds (fig. 15),
then release the button. The display will
flash.
2. Press and hold either the RATE + button to
increase the target rate, or the RATE -
button to decrease the target rate (fig. 16).
The longer the switch is held, the faster the
number changes.
3. When the desired target rate is displayed,
press and hold the button.
The instrument will beep 5 times and the
display will alternate between the set rate
and the calculated minimum forward speed
for that rate. After 5 seconds the instrument
will display ‘donE’ after which the button can
be released to return to normal operating
mode.
Figure 16: Adjust Target Rate
Fi
gure 15 : View current Target Rate
1
2

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6.5 Product Calibration
Ensure the feed roll setup is appropriate for the intended seed type,
application rate and forward speed range for application. Please refer to
the relevant sections of the Stocks Ag Fitting and Operating Instructions if
necessary.
1. Place a container under the seed outlet of the
metering unit then press and hold the PRIME button to
dispense the product.
2. The instrument automatically switches to the programme mode, and the
display will count up the theoretical weight (in grams) of product based on the
calibration factor currently stored in memory.
3. Once you have dispensed sufficient product, release the priming switch and
weigh the product metered out. The theoretical weight will remain flashing on
the display.
NOTE:If the priming switch is held for long enough to exceed 9999 grams then the
instrument will simply show ‘HiGh’, informing the operator that he must re-test to
ensure the weight does not exceed 9999 grams. Simply release the PRIME
button and press again when ready to restart the count from zero.
4. Adjust the displayed weight to match the measured weight using the RATE +
or RATE - buttons.
5. Press the Ha>0 button once to display the calculated minimum forward speed
(see note).
6. Press the Ha>0 button again to save the new calibration factor. The
instrument displays ‘donE’ to indicate the new factor is now stored. After 3
seconds the instrument reverts back to the normal operating mode.
NOTE : The instrument makes the calculation from the entered working width, target
application rate, and the metered weight delivered whilst calibrating. If you find
that you cannot achieve your desired field speed, then re-configure the feed roll
assembly and repeat the calibration procedure.