s7-300功能模塊介紹巡回研討會(huì)

1、Technological tasks with SIMATICIMATIC TechnologySSIMATIC Technology solves the following technological functionsEvents can be counted continuously, one-shot or periodically, e.g. for dosing. Lengths, frequencies, speeds and periods (e.g. for speed control) can be measured.Counting and measuringThe

2、methods cover rapid traverse/creep feed, position control, up to multi-axis continuous-path controls and synchronized applications, e.g. for positioning axes, palletizers.PositioningCam controls are used to trigger position-dependent or time-dependent functions, e.g. with presses or packaging machin

3、es.Cam controlVarious control structures can be designed for highly versatile applications. PID controls are typical for analog variables such as temperature, pressure and flow.Closed-loop controlFunctionsCounting and measuringEvent countingContinuousOne-shotPeriodice.g. for dosingMeasurement ofLeng

4、ths FrequenciesSpeeds Periodse.g. for speed controlCounting and measuringCounting and measuring with SIMATICFunctionProductSolutionCounting up to 30 kHzCounting up to 60 kHzCounting up to 100 kHz (24 V) or 500 kHz (5 V)Counting up to 500 kHz (1 ch.)Pos. meas. with SSI encodersCounting up to 20 kHz (

5、8 ch.)Counting (freely-progr.)Pos. meas. with SSI encodersCounting (freely-config.)S7-200S7-300 compact CPUs, C71 COUNTFM 350-1, 450-1SM 338FM 350-2FM 352-51 SSIFM 458-1 DPIntegr. functionIntegral functionET 200S moduleFunct. moduleFunct. moduleFunct. moduleApplic. moduleET 200S moduleApplic. module

6、Counting and measuringCounting and measuring with function modules Counter module FM 350-1 One counting channel with two DI/DO each24 volts, 5 volt sensorMaximum counting frequency 500 kHz (5 V) / 200 kHz (24 V)Latch function Counter module FM 350-2 Eight counting channels with one DI/DO each or 2 p

7、roportioning channels with 1 / 4 DI/DO 24 volts (ext. power supply), NAMUR sensorMaximum counting frequency 10 kHz with 24V incremental encoders, otherwise 20 kHzCounting and measuringOperating modes OverviewBA 0:Continuous countingBA 1:One-shot countingBA 2:Periodic countingBA 3:Frequency measureme

8、ntBA 4:Speed measurementBA 5:Period measurementBA 6:ProportioningFM 350-2 onlyOperating modes BA 0 to BA 5 (all modes except proportioning) can be allocated to any channel independently of one another (8 channels).In Proportioning mode, channels 0 to 3 and 4 to 7 are combined into groups (2 proporti

9、oning channels).Counting and measuringContinuous counting (BA 0)Once the gate has been enabled, continuous counting begins with the start value.When the counter reaches the upper counting limit during up counting, it jumps to the lower counting limit and continues counting from there without any pul

10、se loss.When the counter reaches the lower counting limit during down counting, it jumps to the upper counting limit and continues counting from there without any pulse loss.When the comparison value is reached, a digital output can be set or reset and/or a process interrupt triggered without regard

11、 to parameter settings.Counting width: 32 bits Upper limitLower limitCountTimerCurrent countGate startGate stopCounting and measuringSingle-shot counting (BA 1)When the gate is opened, the pulse trains are counted once only.If the main counting direction is up, the count proceeds from zero toward th

12、e end of the counting range.If the main counting direction is down, the count proceeds from the beginning of the counting range toward zero.When the comparison value is reached, a digital output can be set or reset and/or a process interrupt triggered without regard to parameter settings.Counting wi

13、dth: 32 bits End valueStart valueCountTimerG. stopG. stopGate startG. startCounting and measuringPeriodic counting (BA 2)When the gate is enabled, periodic counting begins within the configured counting range. When the counter reaches the end of the counting range during up counting, it jumps back t

14、o zero and counts from there periodically without any pulse loss. When the counter reaches zero during down counting, it jumps back to the specified start value and counts periodically from there without loosing any pulse.When the comparison value is reached, a digital output can be set or reset and

15、/or a process interrupt triggered without regard to the parameter settings.Counting width: 32 bits Counting and measuringFrequency measurement (BA 3)When the gate is enabled, all pulses occurring within a specifiable time window are counted.Each time a time window expires, the computed frequency is

16、updated.It is possible to specify 2 frequency comparison values:Lower limiting valueUpper limiting valueFrequency range: max. 10 kHzTime window: 10 ms to 10 s (programmable)Counting and measuringSpeed measurement (BA 4)When the gate is enabled, all pulses arriving within a specifiable time window ar

17、e collected.Each time a time window expires, the computed speed is updated.It is possible to specify 2 speed comparison values:Lower limiting valueUpper limiting valueFrequency range: max. 10 kHzTime window: 10 ms to 10 s (programmable)Counting and measuringPeriod measurement (BA 5) Acquires the exa

18、ct amount of time between rising counter edgesA positive edge at the gate input starts the period measurement, a falling edge terminates it, and the computed value is retained until the next enable.It is possible to specify 2 period comparison values:Lower limiting valueUpper limiting valueMeasuring

19、 range: 100 s to 120 sCounting and measuringProportioning (BA 6)(FM 350-2 only)When the gate is opened, the proportioning functions are counted on a one-shot basis.In this mode, 4 of the modules counting channels are combined into one proportioning channel.When the main counting direction is up, the

20、 count proceeds from zero toward the end of the counting range.Four comparison values may be specified for each proportioning channel.When the comparison values are reached, the 4 digital outputs can be set or reset and/or process interrupts triggered in dependence on the parameter settings.Counting

21、 width: 32 bits TimerCountEnd valueStart valueGate startGate startG. stopCMP1CMP2CMP3CMP4CMP1CMP2Gate stopCounting and measuringFM 352-5Counting and measuring with application modulesFM 352-5High-speed Boolean processorIntegral I/OCycle time 1 s Counting and measuringPositioningPositioning methodsRa

22、pid traverse/creep feedPosition control Multi-axis continuous-path controlsSynchronized applications, e.g. for positioning axes and palletizersControl of drivesServo motorsStepper motorsAsynchronous motorsPositioningPositioning with SIMATICControlled positioning, rapid traverse/creep feed procedureP

23、ositioning with pulse/direction interfaceControlled positioning, rapid traverse/creep feed procedureRapid trav./creep feed proc.Stepper/servo motorsMulti-axis interpolationStepper motorsMulti-axis synchronizationPositioning and synchr. oper.Pos.-controlled positioningCPU 314C, C7-635 1 STEP1 POS Inc

24、, 1 POS SSI FM 351, 451FM 353, 354, 453FM 357-2EM 253FM 458-1 DPCPU 317T-2 DPEasy motion controlIntegr. function ET 200S module ET 200S module Funct. moduleFunct. moduleFunct. moduleFunct. moduleApplic. moduleIntegr. functionLoadable blockFunctionProductSolutionPositioningPositioning with FM 351, 45

25、1 rapid traverse/creep feed drives4 outputs per axisRapid traverse/creep feedForwards, backwardsLow priceThrough use of low-cost rapid traverse/creep feed drivesFM 451For 3 axesFM 351For 2 axesPositioningSystem overviewMPI. MCPUP & PHMISIMATIC S7-300FM 351MachinePosition encoderSSI absolute,incremen

26、talSTEP 7 programmingFM parameter initializationHMIError diagnosticsSequential controlStart/stop positioningS7 CPU interfaced to FM via technology function blockField PG OP PositioningPositioning with FM 353, 354stepper/servo motorsExact positioning with stepper motors (pulse/direction interface)FM

27、353 (1 axis)Position control with maximum precision and dynamic response using servo motors (+/-10 V)FM 354 (1 axis)PositioningFunctional Diagram FM353STEP 7 programmingFM parameterizingCPUFM 353FM STEPDRIVEMPIOPSIMOSTEPstepper motorPG, PCHuman-machine interfaceFault diagnosisDrive interface STEP Pu

28、lses,direction signalSequence controlStarting/stopping of positioningPower section for stepper motorsPositioningFunctional Diagram FM354STEP 7 programmingFM parameterizingMPISequence controlStarting/stopping of positioningDrive interface +/- 10VCPUFM 354servo motorHuman-machine interfaceFault diagno

29、sisOPPG/PCSIMODRIVE 611UEncoder interfaceSSI/incrementalPositioningIntelligent motion controlFM 357-2Interpolation, synchronization for four axesLow wear through jerk limitationSafety and precision through look-ahead Optional drive interface+/- 10 V analogPulse/directionPROFIBUS DPProgramming accord

30、ing to DIN 66025 or in high-level languagePositioningAutomation concept for multi-axis operationCPU315-2 DPMPI/PROFIBUS DPOP/PCFM 357-2POSMO CD/CAPOSMO SISIMODRIVE 611USIMODRIVE 611UPROFIBUS DPanalogPositioningPossible configurationsMax. 3 FM 357-2 per CPU (max. 1 FM with Firmware version H)Central

31、or distributed configurationLocal bus segment with up to 2 I/O modules for fast reaction(on right side of FM only !)FM 357-2CPUI/OFM 357-2FM 357-2LocalI/OFM 357-2FM 357-2FM 357-2CPUIM360IM361IM361LocalI/OLocalI/OLocalI/OS7-300, S7-400Operation with an IM153-2 should only be used with low performance

32、 requirements !IM153-2DPFM 357-2FM 357-2CPU315-2DPLocalI/OMulti-tier configurationSingle-tier configurationDistributed configurationPositioningOrdering DataFM 357-2 Hardware6ES7357-4AH01-0AE0FM 357-2 L Systemfirmware6ES7357-4AH03-3AE0 on coded memory card* + configuration packageFM 357-2 LX Systemfi

33、rmware6ES7357-4BH03-3AE0 on coded memory card* + configuration packageFM 357-2 H Systemfirmware6ES7357-4CH03-3AE0 on coded memory card* + configuration package Configuration Package (german, english, french, italian)contains parameterization tool, electronic documentation, S7-Technology blocks, OP-E

34、xample masks Printed Manual6ES7357-4AH00-8?G0(german=A, english=B, french=C, italian=E)Edit-FM Program editor (stand-alone)6FC5263-0AA03-0AB0(suitable for FM 353/354, FM 357 and FM 357-2)* copy protected, including backup-function for series commissioning and module exchange without PG/PCPositioning

35、Synchronization of axes Master value coupling and table interpolationFM 357-2Belt driveEncoder(mastervalue)Drive for X-axisDrive for Y-axisX-axisMaterialBelt movementInterpolation-tableSuperimposedmaster valueL, LX, HPositioningOn-the-fly measurement with Hot-spot areaEncoderFM 357-2LX, H10240102301

36、022010210102001019010180101701024010200-=40Memory 1Memory 2Meas. result:length of cartonsPosition values from encoderLight barrierSkip areaHot-Spot“ areaTrigger 1Trigger 2Belt drivePositioningRestart after emergency stopRapid restartOperator presses emergency stopNC-StopEnables are deactivatedFM 357

37、-2 goes to follow-up mode“Drives are decelerated as fast as possibleAutomatic program Obstacle located within pathObstacle is removedOperator presses Start“NC-StartDrives are enabledProgram is resumedFM 357-2 goes to restart point and continues the movementfrom this positionL, LX, HPositioningSpline

38、 interpolationComplex path control using pointsP1P2P3P4P5P6P7.directly through interpol. points.approximatedpath.continuous transitions through pointsFM 357-2P1 X30 Y20P2 X50 Y40P3 X70 Y20P4 X90 Y10P5 X120 Y50P6 X170 Y30P7 X200 Y20ASPLINEBSPLINECSPLINESpline typeResulting pathInterpolation pointsLX,

39、 HPositioningGantry function High-quality portal movement without cantingFM 357-2LX, H-+-Actual pos. value 1Actual pos. value 2Position controller 1Position controller 2ProgramPosition setting independently of operating modePortalMotor 1Motor 2Canting monitorCantingWorking areaPositioningPath veloci

40、ty dependent analog outputLX, HadhesivenozzleResultingpath velocityssOutput value = Quantity of adhesive FM357-2LXcontrol valveAnalog-modulePath(adhesive)PositioningSynchronous actionsMotion control with InterruptsFM 357-2ObstacleStart positionEnd position“dangerousLX, HWHENEVER Position = dangerous

41、ANDObstacle = trueDOVelocity = 0PositioningHHandling functionsTeach inTeach in of robots and handling machines using the PHG or HT 6PositioningHandling functionsCoordinate transformationCoordinate transformation for SCARA- or Articulated-arm systems like robots and handling machinesSCARAHPositioning

42、Closed-loop controlMiscellaneous closed-loop control structuresFixed setpoint controlFollow-up controlCascade controlsRatio controls Automatic blendingcontrolsAnalog variablesPressure FlowTemperatureClosed-loop controlPID controllerPredefined closed-loop control structureModular system with closed-l

43、oop control function blocksOnline self-optimizationPID temperature controllerDosing, adjustmentClosed-loop control modules with self-optimizationHigh-performance controlTemperature control module with online self-optimizationS7-200, STEP 7, CFCStandard PID controlModular PID controlPID self-tunerSTE

44、P 7 V5.1 and later2 PULSEFM 355, 455 FM 458-1 DPFM 355-2Integr. functionLoadable blocksLoadable blocksLoadable blocksIntegr. functionET 200S moduleFunction module Applic. moduleFunction module FunctionProductSolutionClosed-loop control with SIMATICClosed-loop controlWhy to use a hardware controller?

45、FM 355 PID Control SIMATIC FM355 controller offers a lot of benefitsBackup facilityContinuation of closed-loop control in the event of stop or CPU failure, function module continuous work with follow-up mode or safety modeSaves CPU-Resources like e.g. MemorySuitable Peripheries onboard“A lot of poss

46、ibilities for value acquisitionAll current types for control elementsControl structures and processing functionscan be adapted comfortable through parameter assignmentClosed-loop controlFM 355, FM 355-2 backup controllers with self-optimizationFM 355 C4/16 closed-loop controllers, each with 1 analog

47、 outputFor actuators with proportional action (continuous output)FM 355 S4/16 closed-loop controllers, each with 2 digital outputsEither for actuators with integral actionOr binary trigger actuators with proportional actionWith/without position feedback signal (step controller)FM 355-2 specialized f

48、or temperature controlPID controller with integral self-optimizationEnhanced accuracyCycle times and Resolution fix on 100 ms and 14 BitClosed-loop controlPID temperature control Application example thermoform moldingPilot use in heat-sealing machineA) Temperature control of the mold heating platesP

49、t100Pt100Plastic sheetBlisterCardboardSeal with heat sealer B) Temperature control of the heat sealerClosed-loop controlCam controlsFunction switchdepending onPositionTimeSpeedIntegral I/O guarantees fast response ExamplesPressesPackaging machinesWood processingCam controlsCam controls with SIMATICElectronic cam controllerBoolean high-speed linksComplex cam controlsElectronic cam controllerCPU 317T-2 DPFM 352-5 FM 458-1 DP FM 352, 452 Function moduleA