ABB DCS500B 软件描述(英文版).pdf

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ABB DCS500B 软件描述(英文版)pdf,ABB DCS500B 软件描述(英文版)
Contents ● General 重日重 Software Overview 2 Parameter sets 2 Saving the program 2 Identification of the converter Software version 3 Identification of the field Exciter software version Function Blocks Digⅰ ital and Analog 1/0……….……………………………………5 Digital Inputs Digital Outputs .............................. Analog Inputs Analog outputs∴ Settings and commissioning functions. ................................................................................11 SETTINGS function block MANUAL TUNING function block 12 Autotuning……… a日::::aaa:日:::::aaa::::aaa:: 13 ·Driⅳ ve Logic 16 DRIVE LOGIC function block Closing Control of the Contactors 16 Opening Control of the Contactors 17 Run control....…………17 Stop control 18 Reset the drive fault∴ :a::::.a:日::..a日:::日a日::::日.::::.a日日日1 20 Change between parameter set1 and set2 21 al/ Remote 2 Speed feedback and speed reference handling 23 Speed scaling to software 23 SPEED MEASURMENT function block 23 Selection of the speed actual measurement 1面国 24 Incremental encoder 24 Analogue Tacho Generator :::::a:::: 24 Polarity 24 Scaling of the actual voltage to control 25 Application example……,…,… 25 Actual speed based on EMF 25 Calculation of speed from the EMF 25 Filtering of the actual speed 25 CoNST REF function block …26 SOFTPOT function block 26 Reference increment and decrement 26 Limitation 26 RE SEL function block….…26 Changing of the speed direction of rotation 27 RAMP GENERATOR function block 27 Local/Remote Speed Reference .27 Holding of the reference 27 Ramp Function in Emergency Stop…… 27 Selecting of the Ramp function 28 DCS 500 Software Description Contents Limitatⅰ on of the reference..… 28 Passing of the RAMP function.………,……,……………………28 Output follows the speed actua 28 Reset the output..… 28 Acceleration compensation....---...... 28 · Speed control∴∴∴ .:::::::::::: 30 REFSUM 2 function block 30 SPEED ERROR function block 30 Speed Step for testing 30 Error value filter.… 1,1重日1重 30 Window Control Principle 31 Application example for window Control Enabling the Window Control Determining the Window Size 31 Output connection points SPEED CONTROL function block 32 Gain and Integral time settings The P-gain reduction… 32 Output Limitatio 32 ntegral part Setting during the Control Mode changing .33 Principle of Drooping 33 Drooping Adjustment SPEED MONITOR function block, w33 Speed Actual Comparators 34 Overspeed limit…………,…,…,…,…,……,……,………34 Speed Measurement Fault 34 Stall Protection..……… 34 · Torque Reference 37 TORQ REF SELECTION function block .....................................................................37 Torque Reference Scaling 37 oad sharing in Master/ Follower Application…………,.37 Output Limitation.…, 37 TORqUE/CURRENT LIMITATION function block w37 Current limitations 37 Torque Limits 38 Speed Dependant Current Limitation 38 Gear Backlash Compensation 翻日11重重 39 · Current contro|∴ 42 TORQ REF HANDLING function block Torque Reference Selection 日日日日日:::::日 42 Torque Step Output Limitation and its Indication…… …43 CURRENT CONTROL function block Torque/Current Reference Selection Current Response Test Regulation Blocking....... Armature Current Scaling Current Reference Rise Time 1口,重11,日重11D重面日重,1D日重日,11 43 Current Reference Limitation DCS 500 Software Description Contents Current difference alarm 43 Pl- Regulation… 44 Scaling of the gain KP 44 Scaling of the Time Constant KI……….……………………………44 Discontinuous current point 44 uning of Current Regulator……… 45 Firing Angle Limitation 45 Additional commutation reserve dXn 45 Example 45 Network reactance. Short circuit Currer 46 400 A load 46 600 A load .46 DXN 46 Firing angle example 47 Note 47 Status Indication for Bridge 47 ● Field excitation 49 Selection of the field Exciter 50 Field Exciter Status 50 No Field Acknowledge Selected ….50 Internal Diode Field Exciter SDCS-FEX-1 50 Internal field eⅹ citer SDCs-FEⅩ-2.……………………51 Acknowledge 51 External Field Exciter dCF503-0050 .::::aa:::::::::a.a:::::a:::::::::: External Field Exciter DCF504-0050 51 Al/DI Connected field Exciters ......,.............................................................................51 Acknowledge selection 51 Use of the Analog Input Channel.…….….…,……………………,52 Calculation Example 52 Two Field exciters at the same time 52 Field Current Settings .52 Free Wheeling Function 53 Trigger Point Setting of the Free Feeling Function 53 Filter for actual Field Current 重D日1重 53 Field Current Controller 54 Field Reversal. Activating 55 Field direction change hysteresis . Force field direction 55 Field monitoring when changing direction..…… 55 Opti- Torque…… .56 Selection of opti-torque 11D■目重日重 .57 Field current reduction using torque reference ……57 Field monitoring when OPTI-TORQUE changes the field direction 58 Field current/FLUX linearisation ■重重1 58 Saturation 59 Linearisation procedure 59 Field reduction when at stand-st 59 DCS 500 Software Description Contents Field heating when in OFF-state............... 60 EMF CONTROL function block 60 The Purpose of EMF Controller 60 Selection of emf-control 61 Resistive and inductive voltage drop 61 Field weakening area 61 FLUX reference handling 62 Flux Reference in Emergency Stop…… 62 EMF reference handling 62 P- controller.………62 EMF-error value filter 63 Pl- gain value scaling…… 63 PI-controller output limitation 63 · Protections∴ 65 CONVERTER PROTECTION function block Network voltage measurement 65 400V supply 65 Network undervoltage… 65 Network overvoltage Overcurrent Over-temperature Earth Fault MOToR 1 PROTECTION function block 67 MOtoR 2 PROTECTION function block 67 Measured Motor Temperature,,…,…,…,…,…,…,………67 Measurement selection 67 Alarm and tripping limits.….….….….….….…..…..……….…….……68 Motor Protection by means of the switch 69 Motor thermal model 69 Preloading 71 Thermal model selection 71 Alarm and tripping limits Thermal time constant 72 e Brake Control 76 Safety… 重重重重国11 :a.aaaa:::::aaaaaa::::Baaaa.aa::::aaaa日::::a.a日::::a: 76 BRAKE CONTROL function block 76 Holding Torque 76 Brake Release 11D 76 Minimum Speed Indication 76 Brake Acknowledge .76 Start Delay Stop Delay.….….…..…..….…..….…..…...…...7 Function TREF OUT 重重1重重■1B1D重111重 1111面111国重道 79 TREF ENABLE DECEL CMND,.………79 LIFT BRAKE 79 BRAKE RUN∴ Extended inputs/outputs 81 DCS 500 Software Description Contents Serial link via FIeldbUS 83 12 pulse configuration.……….,…,…,…,…,,…,…,…,……,………………85 Data Logger 87 DATA LOGGER function block 87 · User event, 90 Diagnostics 92 FAULT HANDLING function block 92 Fault and Alarm signals 92 Fault Word bits 重1 重口 92 Alarm word bits 92 Fault Logger 92 CONSTANTS function block ..93 Logical constants…, 93 Numerical constants 93 FREE SIGNALS function block. Appendix a pin and parameter list A1 DCS 500 Software Description Functional Software Description o General The dc drive named DCS 500B is equipped with a SDCS-CON-2 microprocessor board. The original version was called DCS 500 and was equipped with a SDCs-CoN-1 board The dcs 500b has a modbus communication bus connection which is a common bus protocol for ABB Drives products for the panel link The dcs 500b drive can be controlled by means of digital and analog inputs or via the CDP 312 Control Panel The dcs 500b software contains the function blocks of a standard application program and function blocks which can be connected to each other to form more advanced application programs. A standard program is designed so that it contains numerous func tions, is flexible and suitable for most of the basic drive applica tions Typical application areas for dCs 500B are ● Winder control ● Master fo| lower itioning Control Ski Lifts Battery Charging Cranes AC supply Current actual Speed reference Speed selector forming via panel bus speed Loc/Rem refrence Current Control Firing unit Constant c s。 urces Ramp Speed T Current limitation calc. Speed Ac DC-MOTOR Figure 1 DCs 500B armature control DCS 500 Software Description Functiona/ Software description Software Overview Parameter Sets Two parameter sets are available for two different applications in a drive Example: A digital input can be used to select 1 of 2 parameter sets Parameter set 1 is for motor set 1 and parameter set 2 is for motor set 2. a digital output is used to control external hardware which selects the actual motor 1 or motor 2 connection AC supply DCS 500 Converter Drive Logic RDY RUNNIN MOTOR 0913 [MOTOR2] vo board DO selected Application selection 0=Appl. 1 M2mM、 M2 is PARAMETER PARAMETER SET 1 for SET 2 for APPLICatIOn 1: APPLICATION 2 Figure 2 Two different applications in one drive Saving the pro- The converter program is stored in a FPROM memory circuit gram D33.The parameters for the converter and the field exciter are stored in one FPROM memory circuit( D35). The circuits are in stalled on the control board SCDS-CoN-2 DCS 500 Software Description

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