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MOVIDRIVE

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Drive Inverters

Manual

Synchronous Operation Type DRS11A

Edition 04/99

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Summary of Contents for MOVIDRIVE DRS11A

Page 1: ...10 262 97 T MOVIDRIVE Drive Inverters Manual Synchronous Operation Type DRS11A Edition 04 99 0919 3510 0599 UL C UL ...

Page 2: ...ual cross references are marked with a e g MX_SCOPE means Please refer to the MX_SCOPE manual for detailed information or information on how to carry out this instruction Sec X X means Further information can be found in section X X of this manual Each unit is manufactured and tested to current SEW EURODRIVE technical standards and specifications A requirement of fault free operation and fulfilmen...

Page 3: ...MOVIDRIVE Slave Connection 16 3 5 Functional Description of the DRS11A Synchronous Operation Option Terminals 17 4 Startup 18 4 1 Introduction 18 4 2 Summary of Startup Procedure 19 4 3 Preliminary Work 20 4 4 Activating Synchronous Operation 20 4 4 1 Testing the Encoder Signals 20 4 4 2 Synchronous Operation of Both Drives when Dismounted 20 4 4 3 Setting the Synchronous Operation Parameters 21 4...

Page 4: ... LAG ERROR etc are set depending on this dif ference This counter is evaluated differently for the different operating modes P223 In synchronous operation X40 1 0 for all 1 8 modes the internal difference counter is used for correcting to anglular deviation α 0 A 1 signal on X40 1 causes synchronous operation to be switched off and free running opera tion to become effective Free running operation...

Page 5: ...on The synchronous controller calculates the speed correction value for the slave drive to minimize the angular difference between the master and slave To do this the current angular difference is multiplied by parameter P220 P gain The result is a correction value for the slave speed Master and slave run synchronously diff value 0 correction value 0 Slave runs behind angular difference 0 correcti...

Page 6: ...ronous encoder EQUAL or CHAIN OFF EQUAL or CHAIN Counter Master pulse Master encoder X42 P222 Slave gear factor Counter Slave pulse Motor encoder slave X15 Slave Sync encoder X41 P221 Master gear factor P230 Synchronous encoder Internal difference counter Inc Angel deviation in increments P224 Slave counter DRS set zero point Binary outputs Differentiator Speed pre control P controller P220 P gain...

Page 7: ...ected one after the other 01365AEN Fig 3 Master slave chain X14 X42 X43 X43 X15 X15 X15 X42 X15 X42 DRS11A DRS11A DRS11A Master speed n1 Slave 1 speed n2 Slave 2 speed n2 Slave 3 speed n2 E n c o d e r E n c o d e r E n c o d e r E n c o d e r X14 X42 X14 X14 X15 X15 X15 X42 X15 X42 DRS11A DRS11A DRS11A Master 1 speed n1 Master 2 slave 1 speed n2 Master 3 slave 2 speed n3 Master 4 slave 3 speed n4...

Page 8: ... X14 X15 X15 X15 X42 X42 DRS11A DRS11A DRS11A E n c o d e r E n c o d e r E n c o d e r Master 1 speed n1 Master 2 slave 1 speed n2 Master 3 slave 2 speed n3 Master 4 slave 3 speed n4 Encoder with external voltage supply X14 X42 X41 X41 X41 X43 X43 X15 X15 X15 X42 X15 X42 DRS11A DRS11A DRS11A Master 1 speed n1 Master 2 slave 1 speed n2 Master 3 slave 2 speed n3 Master 4 slave 3 speed n4 E n c o d ...

Page 9: ...nverters to one master binary output Slave reaction to power off power on if the master remains on circuit If the master is stationary when the power supply system is switched on and the power to the slave is switched off and on again the slave is in the operational status NO ENABLE If the master is moving when the power system is switched on and the power to the slave is switched off the master e...

Page 10: ...ected to a binary input on the slave which is programmed to the DRS MASTER STOPPED function Program the binary input of the master to the EXT FAULT function This input is connected to a binary output on the slave which is programmed to the FAULT function 2 4 Synchronous Start Stop The following mixed operation is possible with MOVIDRIVE synchronous operation The dynamic characteristics of the mast...

Page 11: ...ing DI terminal DRS MASTER STOPPED Synchronous start stop DI terminal DRS SLAVE START Brake function ON Master Incremental enc FEN required FEA required for open circuit monitoring Slave permanent enable MDV Fig 9 MDV Open circuit monitoring DOØ1 MOTOR STAND STILL Synchronous start stop DOØ2 OUTPUT STAGE ENABLE Brake function ON Open circuit monitoring DI terminal DRS MASTER STOPPED Synchronous st...

Page 12: ...tion Due to the calculation accuracy of the synchronous encoder the travel resolution ratios incr mm of the motor encoders and the synchronous encoders should however lie in the range of 0 1 10 If the ratio lies outside this range then it may be possible in many cases to achieve a more favora ble ratio with a different encoder 01390AEN Fig 6 Synchronous operation with sync encoder equal or chain S...

Page 13: ...cal 01392AEN In version 13 and higher terminals X42 4 X42 5 are jumpered in the factory jumper X14 4 X14 5 is then no longer required Fig 7 Master slave connection with the same sense of rotation If the master and slave have to operate with opposing senses of rotation e g drive shafts of geared motors with the same number of gear stages are facing one another Swap over the connection sequence of t...

Page 14: ...oder Synchronous start stop with MDV as slave Synchronous start stop with MDS as slave TF TH input Ref pot for bin signals Brake Output stage enable 24V output 24V input Ref pot for bin signals INPØ free running operation INP1 offset 1 INP2 offset 2 INP3 offset 3 INP4 IPOS variable H477 0 INP5 IPOS variable H477 1 DCOM reference X40 INPØ INP5 VO24 100 mA OUTØ 50 mA IPOS variable H476 0 OUT1 50 mA ...

Page 15: ...3 n12 n13 Parameter set 1 2 Reset Reference 48 51 0V24 ROT FIELD OFF Iref RS 485 RS 485 Synchronous start stop X43 Output incremental encoder X42 Input master encoder INPØ free running operation INP1 offset 1 INP2 offset 2 INP3 offset 3 INP4 IPOS variable H477 0 INP5 IPOS variable H477 1 DCOM reference X40 INPØ INP5 VO24 100 mA OUTØ 50 mA IPOS variable H476 0 OUT1 50 mA IPOS variable H476 1 DGND p...

Page 16: ...l encoder X42 Input master encoder INPØ free running operation INP1 offset 1 INP2 offset 2 INP3 offset 3 INP4 IPOS variable H477 0 INP5 IPOS variable H477 1 DCOM reference X40 INPØ INP5 VO24 100 mA OUTØ 50 mA IPOS variable H476 0 OUT1 50 mA IPOS variable H476 1 DGND plus plus plus plus X41 Input sync encoder TF TH input Ref potential for binary signals Brake Common relay contact Ready for NO conta...

Page 17: ...100 mA 9 OUTØ IPOSplus variable H478 0 The signal level of OUTØ and OUT1 can be read and set with the IPOSplus H477 variables 10 OUT1 IPOSplus variable H478 1 11 DGND Reference potential for binary signals X41 X42 1 Signal track A Incremental encoder input sync encoder X41 or master encoder X42 Use only a 5 V TTL encoder with RS 422 signal character istics Encoders with 24VDC voltage supply can be...

Page 18: ... 01513AN Fig 12 Two column hoist Master drive AC asynchronous motor with mounted incremental encoder type EV1R and brake Master inverter MOVIDRIVE MDV60A VFC n CTRL CFC operating mode No option card Slave drive AC asynchronous motor with mounted incremental encoder type EV1R and brake Slave inverter MOVIDRIVE MDV60A VFC n CTRL SYNC CFC SYNC With synchronous operation card type DRS11A option IMPORT...

Page 19: ... master and slave with DRS SET ZEROPOINT Enable slave and start master drive The slave follows the master Setting the Synchronous Operation Parameters Set master gear ratio factor P221 and slave gear ratio factor P222 according to the gear unit ratios Synchronous Operation of Master and Slave in Mounted Drives Mount and align drives Cancel angle of deviation between master and slave with DRS SET Z...

Page 20: ...nt function The signal is 1 active Switch this binary input 0 1 0 the green SYNC LED goes out Activate the synchronous operation control of the slaves by setting the operating mode P700 to VFC SYNC or CFC SYNC Initially leave all parameters of the synchronous operation control ler at their factory settings Block the slave using DI00 0 controller inhibit Move the master drive only and observe the g...

Page 21: ...ation using the Set DRS zero point function Sec 4 4 1 Enable both drives in accordance with the connection diagram Sec 3 2 Observe the green SYNC LED on the synchronous operation card during operation Use this dis play to determine the current angle deviation between the master and slave If the green SYNC LED comes on during acceleration and deceleration the angle deviation is in excess of the tol...

Page 22: ... ratios You can ascertain the number of gearing teeth from your SEW sales office Resolution of incremental encoder Resolution of incremental encoder The incremental encoders provide 1024 pulses per revolution The encoder impulses are quadrupled in the inverter Sprocket pinion reduction Sprocket pinion reduction Calculation The parameter values for this example are P222 3420928 and P222 4282875 Wit...

Page 23: ...ith identical gear units The diameter of the belt pulleys is identical and consequently also the position resolutions incr mm of the master encoder and the synchronous encoder Parameters P221 and P222 must both be set to 1 In the application with the synchronous encoder the position resolutions of the slave motor encoder and the synchro nous encoder must be adapted to each other This can be done w...

Page 24: ... are used with the pulse count 1024 increments revolution between the master and slave enter the increment value in P512 Lag error limit as follows Counter value to be entered Z 5 x 4 x 1024 20 480 This value can also be used in relation to the gear unit output shaft Motor revolutions Gear unit output revolutions x iGear unit As well as the motor speed and gear ratio the reduction also has an infl...

Page 25: ...tion of a 1 signal at X40 2 X40 4 Mode 7 Permanent angle offset 226 Offset 2 32 767 10 10 32 767 inc 227 Offset 3 32 767 10 10 32 767 inc 23_ Synchronous operation with sync encoder 230 Sync encoder OFF EQUAL CHAIN Equal Master sync encoder signal is passed on to all slaves in parallel Chain Master sync encoder signal is only passed on to the first slave The sec ond slave receives the slave sync e...

Page 26: ... slave reacts to a free running operation signal 0 signal at terminal X40 1 INØ iniates synchronous operation In free running operation X40 1 1 the slave does not receive its setpoint from the master In this case the setpoint source in P100 is effective Master and slave no longer run in angular synchronization Mode Function Description X40 1 X40 2 X40 4 Slavecounter P224 OFF red 1 Free running ope...

Page 27: ...slave a new reference point to the master as in mode 3 The internal counter for the angle offset is set to zero before the new reference point is set The slave counter is entered with a sign Value without sign Slave runs ahead of the master the value is added to the old reference point Offset in leading sense of rotation Value Slave follows behind the master the value is subtracted from the old re...

Page 28: ...gnal is passed on to the next slave CHAIN The sync encoder slave signal is passed on to the next slave 231 232 Slave encoder factor Slave sync encoder factor Adjustment range 1 1000 There is usually a mechanical ratio between both encoders This ratio has to be set using the parameters 24_ Synchronous operation with catch up If the slave is switched from free running operation to synchronous operat...

Page 29: ... actuated The DRS ADV WARN and DRS LAG messages therefore already relate to this point and can be used for time optimised positioning of the saw in the flying saw application In modes 6 and 7 the synchronization point is already at the new angle position starting from when an offset terminal is actuated The DRS ADV WARN and DRS LAG messages therefore relate to the new position 513 Delayed lag mess...

Page 30: ...H IN again Use terminal X40 1 0 signal to switch the drive to synchronous operation The teach value is adopted by the slave counter P224 01374AEN Fig 16 DRS TEACH IN function 2 variants for moving to the reference points 1 Move to the reference points with the saw carriage This method can be used with small cutting lengths The material to be cut to length is stopped and the saw is moved by the cut...

Page 31: ...ched the brake is applied and the output stage is inhibited The fault message is dis played immediately The ready message is withdrawn and the malfunction output is set if programmed A new start is only possible after a fault reset during which the inverter is re initialized IMMED STOP WARN The inverter is switched off immediately and a fault message is generated In this case the brake is applied ...

Page 32: ...or P701 40 Boot synchronization Fault during boot synchronization between inverter system and option card Fit a new option card if this reoccurs 41 Watchdog option Fault during communication between system software and option card software Contact SEW Service for advice 42 Lag error Polarity of incremental encoder set incor rectly Acceleration ramps too short P portion of positioning control too s...

Page 33: ...erminal X40 DGND Reference potential for binary outputs LEDs SYNC green ON Angular difference value of P514 OFF Angular difference value of P514 OFF red ON Free running operation OFF Synchronous operation Input sync encoder X41 TTL level RS 422 max 200 kHz 24 V max 180 mA 9 pin sub D plug female Input master encoder X42 TTL level RS 422 max 200 kHz 24 V max 180 mA 9 pin sub D plug female Increment...

Page 34: ...ssion with manufacturing and assem bly plants in most major industrial countries We are available wherever you need us Worldwide SEW EURODRIVE GmbH Co P O Box 30 23 D 76642 Bruchsal Germany Tel 49 7251 75 0 Fax 49 7251 75 19 70 Telex 7 822 391 http www SEW EURODRIVE com sew sew eurodrive com ...

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