Accugrade Compaction

8/9/2019 Accugrade Compaction

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✔ New Feature

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Features and Benefits

AccuGrade Compaction delivers a widerange of customer benefits that increaseoperator efficiency and productivity,improve accuracy, reduce materialcosts, reduce surveying and labor costs,and lower overall operating costs.pg. 9

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AccuGrade Office Software

AccuGrade Office software managesand converts engineering and surveydata for use in the machine. It alsoimports and stores compaction datafrom the machine for analysis of thecompaction values. pg. 8

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Depth Measurement. The CompactionMeasurement system measures deepinto the soil – typically 1 to 2 m(40 to 80 in) down, depending on soilcharacteristics and machine operation.This provides a better overall pictureof soil stiffness than other compactionmeasurement devices, such as anuclear density gauge or lightweightdeflectometer, which measure to adepth of typically about 305 mm(12 in). Depth of measurement validatesyour compaction work and ensures thatthe entire lift meets stiffness requirements.

Compaction Measurement System.The Compaction Measurement systemmeasures stiffness, or the ability of amaterial to resist deformation under aload, rather than density, or the weightof a material per volume. A controllerpackage collects data from anaccelerometer, which measures drummovement. The controller packageconverts the measurements into stiffnessvalues, called Cat ® Compaction Values,or CCVs.

The Compaction Measurement systemhelps the operator determine when theproper level of compaction has beenachieved, but it can provide otherbenefits as well. The CompactionMeasurement system can help theoperator identify potential problems inthe construction materials, such as hardspots, soft spots or moisture-relatedproblems beneath the surface.

By alerting the operator to the presenceof these anomalies, the contractor hasthe opportunity to investigate and,

if necessary, fix the questionable areas,increasing the uniformity of thecompacted materials. This results inoverall job site savings in time and cost,eliminating potential rework. It alsoimproves the quality of the work, aswell as the life cycle of the subgrade,base and sub-base that support thepaved surface.

AccuGrade Compaction, with itsGPS mapping and measurement systemcan provide Quality Control/QualityAssurance documentation on a one-to-one basis, which can eliminate the needfor test rollers and decrease the numberof manual tests.

The Compaction Measurement systemincludes an accelerometer and acontroller package.

• Accelerometer – The accelerometermeasures drum movement. The datacollected is sent to the controllers,where it will be converted to

stiffness values.

• Controller Package – The CompactionMeasurement system uses a controllerpackage to convert data collectedfrom the accelerometer to stiffnessvalues, which are then sent to thegraphic display unit.

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Compaction Measurement SystemThe Compaction Measurement system measures compaction to optimize machine

productivity and improve job quality.


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AccuGrade Compaction. Caterpillaris helping customers revolutionize theway they move and compact material

with new technology solutions forearthmoving machines – solutions thatprovide higher productivity, loweroperating costs and more profitability.

The system uses machine-mountedsensors to calculate the precise drumlocation and compaction.

AccuGrade Attachment Ready Option(ARO) Machine.The factory AccuGradeARO machine makes system installationand setup quick and easy, and optimizesperformance and reliability.

• Wiring harnesses and cablesare routed during assembly for

improved wear protection andbetter reliability.

• System is designed to withstandvibration for long life in ruggedworking environments.

Plug and Play Capability. The systemuses a Controller Area Network (CAN),designed for plug-and-play capability.This allows components to be quicklyand easily added or removed. Movingthe add-on systems from one machineto another is easy. Simply mount thecomponents, connect, calibrate, andthe system is ready to operate.

Mast. A rugged steel mast is used formounting the GPS receiver abovethe drum for optimum GPS satellitereception. The mast deploys hydraulicallywith a hand pump. When not in use,the mast folds into a secure storageposition, making ground-level removalof the GPS receiver easy. The mastincludes all electrical wiring andharnesses.

Angle Sensor. An angle sensor mountsto the base of the mast. The anglesensor measures the left/right tilt of thedrum to a range of ±45°. This informationis sent to the display unit’s processor toprovide greater positional accuracy.

Applications. The AccuGrade system isdesigned for a wide range of constructionearthwork applications, including:

• Highway projects

• Residential road projects

• Commercial site preparation

• Building pad sites

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AccuGrade ® Attachment Ready Option (ARO) Integrates the AccuGrade Compaction system into the machine systems and controlsto optimize performance and reliability.


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Operation. AccuGrade GPS usesadvanced Global Positioning System(GPS) technology to deliver precisedrum positioning information to thecab. Using machine-mountedcomponents, including a communicationsradio, an off-board GPS base stationand Real-Time Kinematic (RTK)positioning, GPS provides the informationnecessary for the system to accuratelydetermine drum positioning withcentimeter-level accuracy.

AccuGrade GPS computes thepositioning information on the machine,compares the position of the drumrelative to the design plan and deliversthat information to the operator via anin-cab display. It also shows informationsuch as visual indication of the drum’sposition on the design surface and agraphical view of the design plan withmachine location.

AccuGrade GPS puts all the informationthe operator needs to complete the jobin the cab, resulting in a greater levelof control.

Single GPS System. The single GPSsystem provides 3D grade control acrossthe full width of the drum. The system

uses a 3D position from the GPS receiverin combination with information fromthe angle sensor to determine drumposition. The 3D position data alsoallows compacted grade to be verified.

GPS Receiver. The receiver is mountedon a mast above the drum. GPS satellitesignals are received by the GPSreceiver to generate a 3D position.This information, in conjunction withmachine dimension information, is used

to determine the precise horizontal andvertical position of the drum in real-time.

The all-new MS990C is the nextgeneration GPS receiver designed as amodular component in the AccuGradesystem. Its rugged design includesfeatures to maximize the new modernizedGPS signal structure including L2C andL5 tracking capabilities. The MS990Cis also able to use satellites in theGLONASS satellite constellation toaugment the GPS solution and provide

increased availability and up time to theoperator. The MS990C includes improvedtechnology that provides faster RTKinitialization times, better tracking andaccuracy characteristics over a broaderrange of operating environments.

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Global Positioning System satellites provide precise location information for drum slope and elevation control with centimeter-level accuracy.

AccuGrade ® GPS


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The MS990C GPS receiver can alsobe used with the satellite based NorthAmerican Wide Area Augmentation

System (WAAS) and the EuropeanGeostationary Navigation Service(EGNOS) to determine the drum positionusing differential GPS without a GPSbase station. This capability providesmore job-site flexibility.

Radio. The communications radio ismounted on the cab of the machineto ensure maximum signal reception.It receives real-time CompactMeasurement Record (CMR) datafrom the GPS base station radio forcalculating high-accuracy GPS positions.Radio broadcast frequencies work in allweather conditions. The radio can alsoprovide a two-way wireless radio network between the machine and a site officecomputer running AccuGrade Officesoftware. Compaction data from thedisplay unit can be transferred to the

job site computer for analysis.

In-Cab 3D Display. An all-new displayhas a 27 percent larger screen, with aprocessor that is five times faster andimproved display buttons. The displaywith keypad allows the operator tointerface with the system using pushbuttons and a color monitor. As themachine operates the operator can viewreal-time information, such as machinelocation and speed, drum amplitude,vibration frequency, and number of passes, relative to the design plan.

The system uses 3D design files that arestored on a compact flash data card andinserted into a slot next to the keypad.The new display provides improvedaccess to the data card, with a quick-release door and environmentally sealedcard slot.

GPS Satellites. Positioning informationfrom GPS satellites is received by theGPS base station and the machine-

mounted GPS receivers. The satellitesconstantly transmit their positions,identities and times of signal broadcasts.

GPS Base Station. The GPS base stationis located within radio range of thework site. It consists of a GPS receiver,GPS antenna and radio. The horizontalposition (latitude and longitude) and thevertical position (height) of the basestation are fixed to known referencepoints. The base station receivesinformation from the GPS satellites.This information, along with the basestation’s known position, is sent to themachine via the communications radioand is used by the machine’s GPSreceivers to calculate centimeter-levelaccuracy positioning.

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AccuGrade Office Software. AccuGradeOffice is a state of the art software thatallows the user to import 3D designdata, convert data for use on machinesequipped with AccuGrade GPS/ATS,validate the data and then export data

to AccuGrade machines using a PCcompact flashcard.

Data Import. Importing data intoAccuGrade Office software is the firststep in preparing data for use with theon-board machine control and guidancesystems. Imported files provide data forthe designs, site maps, avoidance zones,display configurations, background dataand coordinate systems exported to agrade control system. A number of surface, road, linework and fielddata/file formats can be importedinto AccuGrade Office software.

Create Designs. Although the majorityof design data is imported intoAccuGrade Office software, thesoftware also provides the capabilityto create new designs.

Organize Data. Once data has beenimported into AccuGrade Officesoftware, it is organized into thefollowing categories:

• Design surfaces

• Background site maps

• Avoidance zones

• Display and machineconfiguration files

• Coordinate system

• Data Cards

Data Validation. Validating the datais critical for machine control andguidance systems.

Data Export. Once data has beenimported, organized, and validated inAccuGrade Office software, the finalstep is to export the data for use withon-board machine control andguidance systems.

Exporting can be done directly to a harddrive or to a compact flash card, E-mailed

to selected e-mail addresses, orwirelessly to a machine.

AccuGrade Office Compaction Option.AccuGrade Office Compaction Optionpermits the user to view compactiondata from compactors equipped withAccuGrade Compaction.

Specific features of AccuGrade OfficeCompaction Option include:

• View Caterpillar Compaction Value(CCV) measurements in plan view.

• View number of passes made bycompactor in the plan view.

• View details of compaction data

for each cell.• Filter compaction data by compactor

and date.

The Compaction Option is enabledthrough an optional add-on componentto AccuGrade Office software.The component is distributed separatelyand is installed as an add-on to thebase AccuGrade Office software.

AccuGrade Office Wireless Option.AccuGrade Office Wireless Optionfor 900 MHz communications radiospermits AccuGrade Office software

to communicate wirelessly withcompactors equipped with theAccuGrade GPS system.

AccuGrade Office software supportsthe following wireless communicationfeatures for AccuGrade GPS equippedcompactors:

• Export designs from AccuGradeOffice software to compactors withwireless communication enabled

• Display machine location in theAccuGrade Office plan viewwindow

• Delete, rename and retrieve fileson-board compactors

• Send text message to the machinedisplay

• Retrieve screen snapshot fromcompactor display

• Retrieve diagnostic report frommachine display

Wireless capability between machinesand AccuGrade Office software isenabled through an optional add-oncomponent to the AccuGrade Office

software. The component is distributedon a separate CD, installed as an add-onto the base AccuGrade Office softwareand requires its own licensing andregistration. An add-on wireless optionkey is needed to enable wirelesscommunication on the machine.

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AccuGrade Office Software AccuGrade Office software manages and converts engineering survey data for use in themachine as well as imports compaction data from the machine.


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Enhanced Productivity.• Identifies and alerts operator to areas

needing additional compaction early

in the construction process,eliminating rework and lost time

• Optimizes fuel consumption byeliminating unnecessary passes

• Real-time testing eliminates the needto stop and wait for testing results

• Extends the work day

Worksite Safety.• Minimizes the need for geotechnical

inspectors on the job site and keepsthem away from the equipment

Assists with Labor Shortage.• Reduces labor costs

• Customers can get the job donemore quickly and efficiently

Improves Employee Satisfaction andRetention.• Empowers the operator and

improves operator confidence bydelivering real-time compactioninformation to the cab

• Improves operator skills and takesperformance to the next level

Increases Equipment Versatility.• Leverages the same technologies

and components as AccuGradesystems for Track-Type Tractors,Motor Graders and HydraulicExcavators

• Plug-and-play connections allowfast, easy conversion of theGPS system

Integrated into Cat ® Machines.• Proven, optimized on-board

electronics systems

• Components designed into machineto maximize reliability

• Integration into cab and controllevers increases ease of use

• Cat Dealer Network providesunmatched service and support

Lower Owning and Operating Costs.• Can eliminate the need for test

roller, so there is less equipmentto maintain and transport

• Lower testing costs, due to fewersamples to tag and store

Quality Control / Quality Assurance.• Documents work completed

• Provides in-process control with theability to monitor progress daily

• Provides electronic data for analysis

• Creates historical record of job sitedata to correlate with long-term results

Customer Support. The AccuGradeCompaction system is another offeringin the AccuGrade suite of products byCaterpillar. All AccuGrade products arefactory-integrated, sensor-independent,and dealer-supported. Caterpillar israising the bar in the industry by backingits solutions with the renownedCaterpillar ® dealer network.

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Features and Benefits AccuGrade Compaction is easy to use and delivers a wide range of customer benefits.

Traditional Compaction Testing Method

Compaction Testing and Coverage Mapping with AccuGrade


10/1210 AccuGrade ® Compaction GPS Mapping and Measurement for Soil Compactors specifications

GPS Receiver – MS990C

Horizontal accuracy 10 mm 0.39 inVertical accuracy 20 mm 0.79 inOperating range Up to 10 km (6.2 miles)Network connector 16-pinElectrical input 9 to 32V DCOperating temperature –40° C to 70° C

–40° F to 158° F

Storage temperature –50° C to 85° C–67° F to 185° FHeight 147 mm 5.8 inWidth 232 mm 9.1 inDepth 251 mm 9.9 inWeight 3.8 kg 8.3 lb

Communications Radio

Operating range Up to 10 km (6.2 miles)Technology Spread spectrumData rate High speedInput connector 8-pinOperating temperature –40° C to 70° C

–40° F to 158° FStorage temperature –55° C to 70° C

–67° F to 158° FHumidity 100 %Height 216 mm 8.5 inWidth 86 mm 3.4 inLength 260 mm 10.3 inWeight 0.9 kg 2 lb

AccuGrade ® Compaction

Compaction Measurement,GPS Mapping

Emissions and susceptibility CE compliant

Machine Compatibility

Machine Model CS563E, CS573E, CS583E,CS663E, CS683E

Angle Sensor

Working range 45ºElectrical input 9 to 32V DCNetwork connector 6-pinReverse voltage protection to 36V DCLoad dump protected ISO 7637 compliantHumidity 100%

Sealing IP68 sealed to34.48 kPa (5 psi)

Operating temperature –40° C to 85° C–40° F to 185° F

Storage temperature –40° C to 100° C–40° F to 212° F

Height 68 mm 2.7 inWidth 93 mm 3.7 inLength (with connector) 104 mm 4.1 inWeight 0.8 kg 1.8 lb

3D Display – CD700

Display screen 177.8 mm (7 in) QVGA,480 234 pixel, LCD

Electrical input 9 to 32V DCNetwork connector 39-pinMemory drive Compact flashOperating temperature –20° C to 80° C

–4° F to 176° FStorage temperature –40° C to 85° C

–40° F to 185° F

Sealing IP68, sealed to34.48 kPa (5 psi)

Width 230 mm 9.06 inHeight 170 mm 6.69 inDepth 101 mm 3.98 inWeight 3 kg 6.61 lbLanguage capabilities English (UK & US),

French, German,Norwegian


11/1211AccuGrade ® Compaction GPS Mapping and Measurement for Soil Compactors specifications

AccuGrade ® Compaction

Compaction Measurement System andAccuGrade Attachment Ready Option (ARO) Machine

Single GPS System

GPSReceiver –

MS990C

CommunicationsRadio

3DDisplay –

CD700

AccuGrade®

System KitsStandard equipment may vary. Consult your Caterpillar ® dealer for details.

3D Kits:AccuGrade GPS Kit

Communications RadioSingle GPS

CD700 Display, Carrying CaseGPS Receiver, Carrying Case

Compaction Measurement SystemAccelerometerController Package

AccuGrade ® Attachment Ready Option (ARO) MachineAngle SensorMastWeldmentsWiring Harness


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