Raven SCS 360 Supplement
Installation & Service Manual
SCS 360
Manual Rev. B, SCS 360, 6-96
Order: 50, 6-20-96, #016-0159-543
1
TABLE OF CONTENTS
SYMBOL DEFINITION.............................................................................................................................................. 2
INTRODUCTION....................................................................................................................................................... 3
INSTALLATION......................................................................................................................................................... 4
1. MOUNTING WHEEL DRIVE SPEED SENSOR ................................. 4
2. MOUNTING THE CONSOLE AND CABLING .................................. 5
BATTERY CONNECTIONS...................................................................................................................................... 6
CONSOLE FEATURES ............................................................................................................................................ 7
CONSOLE CALIBRATION ....................................................................................................................................... 8
1. CALCULATING "BOOM CAL" ............................................ 8
2. CALCULATING "SPEED CAL" ........................................... 8
3. CALCULATING "METER CAL" ........................................... 9
4. CALCULATING "VALVE CAL" ........................................... 9
5. CALCULATING "RATE CAL" ........................................... 10
CONSOLE PROGRAMMING ................................................................................................................................. 11
1. INITIAL CONSOLE PROGRAMMING ...................................... 12
2. OTHER DISPLAYS ................................................... 13
3. SELF TEST FEATURE ................................................ 13
4. SEQUENCE TO ACTIVATE DATA-LOCK ................................... 14
5. SEQUENCE TO CHANGE DATA-LOCK ..................................... 14
6. ENTER MODE SEQUENCE WITH ACTIVATED DATA-LOCK .................... 14
INITIAL SYSTEM FIELD TEST............................................................................................................................... 15
PREVENTIVE MAINTENANCE.............................................................................................................................. 15
REPLACEMENT PARTS LIST
SCS 360 REPLACEMENT PARTS ........................................................................................................................ 16
1" AND 1 1/2" POLY CONTROL VALVE REPLACEMENT PARTS ..................................................................... 17
RFM 55 FLOW METER REPLACEMENT PARTS ................................................................................................ 18
WHEEL DRIVE SPEED SENSOR REPLACEMENT PARTS ............................................................................... 19
APPENDIXES
1. RIM DRILLING INSTRUCTIONS FOR WHEEL DRIVE SPEED SENSOR MAGNETS .................................. 20
2. PROCEDURE TO TEST SPEED SENSOR EXTENSION CABLES................................................................. 21
3. PROCEDURE TO TEST FLOW METER CABLES ........................................................................................... 22
4. FLOW METER MAINTENANCE AND ADJUSTMENT PROCEDURE............................................................. 23
5. PROCEDURE TO RE-CALIBRATE FLOW METER .........................................................................................24
6. STACKING BRACKET........................................................................................................................................ 25
7. SIX MAGNET WHEEL DRIVE SPEED SENSOR.............................................................................................. 26
016-0159-543
6/96
2
SYMBOL DEFINITION
METER CAL CONVERSIONS
To convert the METER CAL number simply divide the original number (number printed
on Flow Meter label) by the desired conversion factor.
FOR EXAMPLE:
Original METER CAL No. = METER CAL No. for displays in Fluid Ounces
128
Original METER CAL No. = METER CAL No. for displays in Liters
3.785
Original METER CAL No. = METER CAL No. for displays in Pounds
Weight of one gallon
LIQUID CONVERSIONS
U.S. Gallons x 128 = Fluid Ounces
U.S. Gallons x 3.785 = Liters
U.S. Gallons x 0.83267 = Imperial Gallons
U.S. Gallons x 8.34 = Pounds (Water)
LENGTH
1 millimeter (mm) = 0.039 inch
1 centimeter (cm) = 0.394 inch
1 meter (m) = 3.281 feet
1 kilometer (km) = 0.621 mile
1 inch = 25.4 millimeters; 2.54 centimeters
1 mile = 1.609 kilometers
PRESSURE
1 psi = 6.89 kPa
AREA
1 square meter = 10.764 square feet
1 hectare (ha) = 2.471 acres; 10,000 square meters
1 acre = 0.405 hectare; 43,560 square feet
1 square mile = 640 acres; 258.9 hectares
GPM - Gallons per minute
lit/min - Liters per minute
dl/min - Deciliter per minute
PSI - Pounds per square inch
kPa - Kilopascal
GPA - Gallon per acre
lit/ha - Liter per hectare
ml/ha - Milliliter per hectare
GPK - Gallons per 1,000 sq. ft.
mm - Millimeters
cm - Centimeters
dm - Decimeters
m - Meter
MPH - Miles per hour
km - Kilometers
km/h - Kilometers per hour
US - Volume per acre
SI - Volume per hectare
TU - Volume per 1,000 sq. ft.
[] - Metric numbers
{} - 1,000 sq. ft. numbers
3
INTRODUCTION
The Raven SCS 360 (SPRAYER CONTROL SYSTEM) is designed to improve the uniformity
of spray applications automatically. Its performance relies on the installation
and preventive maintenance of the complete sprayer. It is important that this
Installation and Service Manual be reviewed thoroughly before operating the
system. This Manual provides a simple step-by-step procedure for installing and
operating the SCS 360.
The SCS 360 consists of a computer based Control Console, a Speed Sensor, a turbine
type Flow Meter, and a motorized Control Valve. The Console mounts directly in
the cab of the vehicle for easy operator use. The Magnetic Speed Sensor is mounted
on a non-drive wheel of the vehicle or on a wheel of the sprayer implement
(Speedometer Drive Speed Sensors and Radar Speed Sensors are also available). The
motorized Control Valve and Flow Meter mount directly to the framework of the
sprayer. Appropriate cabling is furnished for field installation.
The operator sets the target rate (volume per area) to be sprayed and the SCS 360
automatically maintains the flow regardless of vehicle speed or gear selection
(within range of selected spray nozzles). A manual override switch allows the
operator to manually control flow for system check-out and spot spraying. The
SCS 360 additionally functions as an area monitor, speed monitor, and volume
totalizer.
4
FIGURE 2
FIGURE 3FIGURE 1
INSTALLATION
1. MOUNTING WHEEL DRIVE SPEED SENSOR
The Wheel Drive Speed Sensor consists of four magnets, a switch assembly with
cable, and mounting hardware. (Installation instructions for the optional Radar
Interface Speed Sensor are included in their shipping carton. See Appendix 7 for
the installation instructions for Wheel Drive Speed Sensor with six magnets).
Sequence of mounting Speed Sensor:
l) Select a non-driven wheel (left front tractor wheel or implement wheel).
2) Check for predrilled holes in rim. If not predrilled, see Appendix 1.
3) Mount the four magnets to inside of rim and tighten. (See Figures 1, 2, & 3).
Magnets must be mounted in alternating red-black order.
4) Mount switch assembly to stationary column with the hardware provided. (See
Figure 1). The switch assembly need not pivot with the wheel.
5) Position switch assembly so that as the wheel rotates the magnets pass across
the center of the black, molded switch assembly. (See Figures 1 & 3).
6) Clearance gap between magnets and switch assembly must be between 1/4 inch
[6 mm] and 1 inch [25 mm]. With wheels pointed straight ahead, rotate wheel to
ensure gap is correct. Make sure vehicle wheels can be turned to their extremes
in each direction without the magnets hitting the switch assembly.
7) Tighten switch assembly bracketry.
8) Secure cable to column with plastic cable ties.
5
2. MOUNTING THE CONSOLE AND CABLING
l) Mount the Console to a secure support inside the cab of the vehicle.
2) Remove the Jumper Plug on the SCS 212 Console Control Cable. Connect the 2'
SCS 360 Console Control Cable to the SCS 212 Console Control Cable and the other
end of the SCS 360 Console Control Cable to the back of the SCS 360 Console. (See
Figure 4).
3) Run the 24' Flow Control Cable out of the vehicle cab and connect with the Flow
Meters.
4) Turn MASTER ON/OFF switch OFF and route the Red and White battery wires to a
12-volt battery. Attach the White wire to the NEGATIVE (-) terminal and the Red
wire to the POSITIVE (+) terminal. (DO NOT CONNECT WIRES TO THE STARTER). Secure
the battery wires with plastic cable ties. DO NOT tie the battery wires close
to the existing battery leads or other electrical wiring. (See Figure 5 on page
6).
5) Connect the Speed Sensor Cable to the plug in the back of the Console.
6) Installation of the system is now complete.
FIGURE 4
6
BATTERY CONNECTIONS
FIGURE 5
7
CONSOLE FEATURES
IMPORTANT: This Console requires selection of US (acres), SI [hectares], or TU
{1,000 sq. ft.} area; SP1 (wheel drive, etc.) or SP2 (radar) speed sensor; and
C-Sd (Standard Valve) or C-FC (Fast Close Valve).
ENTER - Used only to enter data into
the Console.
CE - Use like you do the CE key on a
calculator.
Selects Off (Power Off), manual,
or fully automatic control. Displays actual rate of application,
calibration, and function data.
CALIBRATION KEYS -- Used to enter data into the
Console to calibrate the system.
BOOM CAL -- Length of Boom. Select Boom
number by using the UP/DOWN
arrow keys.
SPEED CAL -- Determined by Speed Sensor
METER (FLOW) CAL -- Meter Calibration Number
VALVE CAL -- Valve Response Time
FLOW RATE -- Target Application Rate
FUNCTION KEYS -- Used to Display Data
DISTANCE -- Distance Traveled
SPEED -- Speed of Vehicle
TOTAL VOLUME -- Total Volume Applied
TOTAL AREA -- Total Area Applied
Console Revision can be determined by the
letter stamped in REV box on label.
Console Program can be determined by the
letter stamped in PGM box on label.
8
CONSOLE CALIBRATION
1. CALCULATING "BOOM CAL"
Calculate the width of each boom in inches [cm] by multiplying the number of tips
times the spacing. End boom width needs to be determined by measuring spray pattern
width. Only one end boom can be used at a time. Console assumes end boom widths
are equal. Write these boom widths down for future reference when programming
the Console.
2. CALCULATING "SPEED CAL"
This section applies only to the Wheel Drive Speed Sensor. (Instructions for
Speedometer or Radar Speed Sensors are included in their packing carton).
1) Place chalk mark or tape on vehicle tire on which Speed Sensor is mounted, as
shown in Figure 7.
2) Mark initial spot on the ground.
3) Drive vehicle straight ahead counting 10 revolutions of the wheel, with the
mark stopping at the same position as starting.
4) Measure distance from start mark to stop mark in inches [dm]. (Round off to
the nearest whole number). Divide this number by 2. If six magnets are used,
see Appendix 7.
5) Write down this SPEED CAL calibration number for future reference when
programming the Console.
NOTE: This measurement is critical to the performance of the SCS 360. MEASURE
CAREFULLY. Make sure tire is properly inflated before measuring. Measure tire
in type of soil in which you will be spraying. Circumference of tire will vary
when measured in soft soil versus hard packed soil. For best results, measure
several times and average the results.
FIGURE 6
FIGURE 7
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