drive which lifts your crane efficiency to new...
TRANSCRIPT
![Page 1: Drive which lifts your crane efficiency to new heightsaresureste.com/documentos/abb/Drives_Motor/Aplications/Cranes.pdfmotors Drive which lifts your crane efficiency to new heights](https://reader033.vdocuments.site/reader033/viewer/2022051800/5aceb3e77f8b9a56098c23b7/html5/thumbnails/1.jpg)
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Drive which lifts your crane efficiency to new heights
Drive which lifts your crane Drive which lifts your crane efficiency to new heightsefficiency to new heights
ACS800 Crane Drive Control
![Page 2: Drive which lifts your crane efficiency to new heightsaresureste.com/documentos/abb/Drives_Motor/Aplications/Cranes.pdfmotors Drive which lifts your crane efficiency to new heights](https://reader033.vdocuments.site/reader033/viewer/2022051800/5aceb3e77f8b9a56098c23b7/html5/thumbnails/2.jpg)
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Standard, cost effective crane drive with built-in safety and performance
ACS800 Crane Drive Control
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Safety Functions
For optimised performance
Control Functions
For excellent operational safety
Software Functions
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Control InterfaceLogic HandlingReference HandlingSpeed and Torque ControlTorque MemoryPower OptimisationLimit Switch SupervisionMaster FollowerSpeed CorrectionSpeed monitor
Control Functions
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Software hierarchy for ACC
Application macro
Crane M/F Control
Fieldbus Stand alone Fieldbus
Joystick
Radio
Motor Pot.
64.10
64.164.1
99.2
Stand alone
Joystick
Radio
Motor Pot.
64.10
Step joyst.Step joyst.
Step radio
FB joystick*
Step radio
FB joystick*
DDCS
CH2 communication
Master Follower
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Control Interface: Joystick
Zero position + direction contactsStepped (4 levels) or potentiometer speed
reference 0-10V.4 wire potentiometer with centre
connection required
Control Functions: Joystick
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Control Interface:Pendant controller
Direction commandsSpeed reference given with motor
potentiometer function
Control Functions: Pendant
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Control Interface:Radio Controller
Hardwired I/O-connection between receiver and drive
Analogue reference from receiver +10VDirection commands
Control Functions: Radio Controller
Radio Controller
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Fieldbus InterfacesTwo types of adapters available
DDCS link adapters placed outside the driveCANopenControlNetDeviceNetInterbus-SModbusModbus PlusProfibusEthernet module for remote
control&diagnostics (not a “fieldbus”)“New type” of modules placed inside the drive
Only profibus availableNew protocols coming later
Advant Module bus needs RDCO-01 adapter
Control Functions: Fieldbus
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Logic Handling
Supervises starting and stopping of the driveMakes sure that motor is magnetised before startTakes care of starting sequences in different modes
&
&
1>
START
Control Functions: Logic Handling
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Reference Handling
Individual setting of acceleration/deceleration ramp time for both directionsSmooth load handlingReduces crane structural loadsOptimises load cycleCustomises performance
t
nRef.
Control Functions: Reference Handling
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Speed and Torque Control
Ensures minimum variation of speed under loadLoad independent performanceSmooth load handlingStart and stop times independent of loadDTC makes performance outstanding compared to other manufacturers
Control Functions: Speed&Torque Control
Ref.
M
PGFor hoist applications
+
-PID
Act.
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Torque Memory
Minimises the risk of load drop on hoist drivesSafe load handling without jerksNo risk of jamming between load and floor
Control Functions: Torque memory
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Power Optimisation
Ensures maximum hoist speed relative to the loadLowest possible cycle timeOptimises the crane capacityAutomatic start-up procedure for setting related parameters
TT
nTmax
min max
nTmin
Actual load
Allowed speed
Control Functions: Power Optimisation
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Limit Switch Supervision
To ensure the crane operates within a safe working envelopeAll necessary logic is in the driveSafe operation with both pre and end limitsMotion outbound from limit area can happen with full speed
Control Functions: Limit Switches
Z
Y
X
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Master Follower
Load sharing of two motor drives on the same shaftFor motions where requirements are too high for one motor or when redundancy is requiredAlso for application where two motors are coupled through a rigid structureMultiple slaves possible
Control Functions: Master/Follower
MM
~~
~~
Gearbox
Output shaft
DDCS optocable
Supply network
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Electrical Shaft
Automatic correction of position error when used in synchronised operationAdjustable response for position error (P-controller)Pulse encoders must be usedTwo drives can be connected together
Control Functions: Electrical shaft
MM
~~
~~
Gearbox
Synchronized motion
Gearbox
DDCS optocable
Supply network
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Mechanical Brake ControlTorque ProvingFast StopTorque MonitorFault Handling
Safety Functions
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Mechanical Brake Control
Controls opening and closing of the brakesTotal control of brake performanceBrake fault generated if logic notices discrepancy between control and statusAdjustable parameters for different response timesPossible to use internal brake feedback
Safety Functions: Brake Control
ACS 800 Crane Drive
DO DI
Aux. Contact of the brake
Brake Voltage
Brake
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Torque Proving
Ensures that the motor is able to produce sufficient torqueChecks the cabling and connections
T = ?T = ?
Safety Functions: Torque proving
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Fast Stop
Stops the hoist as fast as possible when overloaded or when slack rope occursMechanical overloadsSlack ropeMovement is possible with reduced speed in the opposite direction of the fault
! ! !
Safety Functions: Fast stop
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Torque Monitor
Supervises the correlation between speed ordered and actual motor speedPrevents starting in wrong direction due to windTrips the drive if overloaded or mechanical fault occursAdjustable parametersAllows difference during acceleration/deceleration
Reference speed =
Actual speed
Safety Functions: Torque Monitoring
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Fault Handling/logging
Latest faults saved to fault loggerLogger can be read through control panel, drives window, upper controller, ethernet…..Also 2 dataloggers available in ACS 800 to provide more info from fault situationDataloggers can be triggered also to monitor other events, not just faults
FaultFault1
2
3
4
Safety Functions: Fault Handling/logging
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The safe and cost-effectivecrane drive
Ready-to-use with proven modular crane functionality
Easy installation and start-up reduces time and cost
Smoothen crane operation and shorter cycle times
Low maintenance cost and longer mechanical life time
Skilled local service engineers for ACS 800 Crane Drive
Selected with standard option code +N652
ACS 800 Crane Drive Control