Home

USER`S MANUAL - Ell-bg

1. P02 09 work with digital reference which value is written in parameter P02 10 in percentage to max speed Nmax with a sigh of rotating direction When we work in proportional mode reference of firing angle is internal limited to safe motor speed because it works without speed feedback Switch ON the command PRDY and LED RD indication lights Switch ON the command ENBL and LED ON indication lights Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 47 document version UGeSRV825 226 WSM O ELL Give reference for firing thyristors and the motor rotates If when the reference is zero but motor rotates with high speed that means the synchronizing voltage leads phase power voltage If the motor starts rotating when the reference is high that means synchronizing voltage lag phase from power In these cases check the circuit of connecting the synchronizing coil if it responses to given in p 5 3 2 and Appendix 2 By parameter P01 10 it is watched the fluctuations of the tachogenerator voltage When tachogenerator is correct in established mode value of parameter P01 10 must not be more than 2 When the value is more than 2 it needs tachogenerator to be check or repaired To check if the speed feedback is in phase values of parameters P01 02 and P01 05 are compared When the connection is correct both parameters must be with the same signs When values of the two parameters are
2. gol ined ised ise ceIojojc Beg ee ol Ojoj Ic n Ze eserved 01 10 Test of speed feedback 01 1 15 Status power thyristors o o o urrent value of armature supply voltage Oooo se urrent value of the encoder pulse number vu V i i us i V m b b H d A d N Q BE eic RIO s lt Z n dI zi m ON tA b e Em Q 1 p Group 02 converter parameters Version of converter software f o2fAccesspassword J o 02 02 04 Image ofuser s parameters 01 onverter working mode onverter nominal current Idrvxjom 5 0 100 0 A N c YIN ec O3 rt2 gt e e Cc Dn Uu rs Uu Uu o E ec S ce E EX e n et z 5 oa a B o g pu c lt o g c n on lt Q o c t OISIN y f IAA QIQ Q 7j 0 N alculated equivalent resistance R26 R27 Pe Q hoice of source of speed reference peed reference when P02 09 1 100 00 100 00 96 a Z 02 1 e un MAX Series 12XXX thyristor converters for control of DC motors for servo drives Parameters table document 61 version UGeSRV825 226 WSM Range of Unit Standard N w valie Parameter name f changing value A hoice of speed feedback hanging of speed reference sign hanging of speed feedback sign
3. OL lights constantly protection OLF Protection Tt is activated by overload of DC motor OL flicks with period 1s protection OHF Protection of overheated of converter power block is activated OL flicks with period 0 3s Protection SOS Over speed of DC motor rotating OL flicks with period 0 3s Protection OVM There is over maximum armature voltage OC lights constantly protection SOC Current in power rectifier is overrated OC flicks with a period 1s protection HOC Current in power rectifier is over maximum rated Idrvmuim or there is a short circuit in the converter power rectifier TG lights constantly protection STG Disconnect of speed feedback when it works with tachogenerator There is wrong connection short circuit or disconnection in the circuit of tachogenerator TG flicks with period 1s protection ENF There is disconnection of speed feedback when it works with encoder There is wrong connection short circuit or disconnection in the encoder circuit TG flicks with period 0 3s protection PSB There is positive speed feedback TG OC OL PF light constantly protection ADC Trouble in ADC Analog to digital conversion TG OC OL PF flick with a period 0 3s protection EEF Trouble in EEPROM Notes 1 For more protection description see issues 6 3 3 and 6 4 2 LED indications when hardware protections are activated work in flick mode with period of time 1s Series 12XXX
4. esee 6 4 4 Group 04 motor parameters sseeeeeeee 6 4 5 Group 05 parameters of speed regulator 6 4 6 Group 06 parameters of armature current regulator 64 7 Group 07 terminal parameters 5 niic initi E D E E PESE OSE NENESE NETE ERE EH PREX dunguvadesz Eai ENESES 36 6 4 8 Group 08 error history eee ere rte eer Hee E EHE REOR Ee ER Ee XE EE E rr REPE SE vest casduxeversseneds 36 6 5 Error indication RR n 36 7 INSTALLATION AND CONNECTING OF THE CONVERTER ee eeeee eese eese en sten strato sns son stas stas e tna sta 38 7 1 General technical requirement when it is installed eere eee esee e eese en sento seen en seta sn seta sens tastes ens eae 38 7 2 Converter connecting eee e eee sees eese enses eene setas tns enses enses sone ta sone ta sesso s ees sone tasse tas n senses ense te sse ta siess sene 39 8 STARTING THE CONVERTER crecen ee ense ense tn seta setas etas to stats sons so seta aetas etas etas e ta seta sete ttes t s senses esos seas sense ena 45 8 1 Checking power and synchronizing voltage 4 eese eee ee eese eese eese en seen sten stiano naso neto setas etas e ease ta seta ses sto 45 8 2 Primary converter adjusting eere eese esee esee ee eren estne enata aetas etas e tassa seta seta sess sss so Pasos sepas eaae ense ease tosta ata 46 8 2 1 Choose
5. tahogenerator hanging of speed feedback sign encoder ncoder resolution 100 20000 imp min 2500 ncoder rotating speed when motor speed is max 100 20000 min 2000 aiting relay output of ready VRDY 0 30000 m 0 Group 03 protection parameters 0 Allowed number breaks in synchronizing protection SPF Max number registered breaks in synchronizing 0 50 protection SPF Max allowed diversion in synchronizing protection 100800 iis Current max diversion in synchronizing protection 800 800 us Allowed number breaks in power protection HPF Max number registered breaks in power protection HPF 03 07 Working mode of protection HPF Time of activating of protection OLF I t of motor ojojo 3 0 E mz m GO bho Q ng coc li ER P miaXo B ooo NINIS miele o ta zm d Go go O2 N d Go vo AR e S vu e vo S E un az 03 0 un d d Nn Ul V o2 ON zd d o 2 e oo 0 40 orking mode of protection OHF imit allowed speed Num protection SOS 100 0 110 0 96 Nmax imit current Idrvyyy of converter protection 105 0 125 0 96 Taux rmature voltage of activating the protection STG 40 0 80 0 96 Uamax 03 Q REE g um o a Q 105 0 115 0 50 0 d o m mr e a d Go 12 3 1 aa 03 14 Reserved he P03 15 Rese
6. Ul 0 850 Uamax V Ul 0 490 Uamax V Lf 0 817 Ianom A Operative secondary coil 3 U3l 32 0 V Uf 184 V Lf 1 0 A Type transformer power St 1 26 Iaxom Uamax Connecting the transformer coils First coil triangle Secondary coil star When a device services one cutting tool it allows two power supply two or three converters with one transformer its power is defined by the most power device Each next device common power is raised with 20 It is recommended motor should have equal max voltage ATTENTION Power and synchronizing voltage must be in phase 56 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL Appendix 2 Scheme of synchronizing coil connected according to connecting schemes of first and secondary power transformer coils Power three phase transformer Additional three phase transformer mono phase Power coils transformers for synchronizing and Synchronizing coil operative supply Secondary First Secondary tar with lead star Star Star Star Star with lead star centre centre Zigzag with lead Autotransformer Triangle 87ag centre Star Zigzag with lead Zigzag with lead centre centre Star with lead Triangle centre Triangle Triangle Zigzag with lead Zigzag with lead centre centre Star with lead Star centre Star with
7. When the vertical axis is switched ON in static mode for example stay in position given armature current value is recognized by parameter P01 03 after which give removing of armature current with sign and value which response to given armature current It moves the vertical axis in a new position and checks given current and it must be near zero Parameter P06 07 time of the ramp generator of the armature current regulator It is recommended to be used only in cases when there is any play in the mechanical gear between motor and the load 6 4 7 Group 07 terminal parameters Parameter P07 01 terminal language Parameter P07 01 value is not restored understanding It accepts three values e P07 01 0 English language e P07 01 1 Bulgarian language e P07 01 2 Russian language Parameter P07 02 terminal indication refreshing time 6 4 8 Group 08 error history 6 5 Parameters from P08 01 to P08 16 parameters where are written error announcements in order of their appearing Where there is not any announcement in chosen parameter is written announcement EMPTY The error announcements are written in text corresponding to table 12 Last written error announcement is saved in parameter with the biggest number After filling all parameters the oldest error is deleted automatically Parameter P08 17 clear error announcements Error indication When an announcement Error N XX appears on terminal displ
8. connecting of the secondary coil of three low power mono phase transformers TF2 TF3 and TF4 Secondary coil of these transformers corresponding to condition of in phase are connected in star with lead star centre and first are in star too Shunts defined the source of synchronizing are in position J1 J2 J3 2 Operative supply voltage of the power contactor K1 is 220V ac Supply voltage of the digital inputs is external and system output of the CNC are type N Converter speed feedback is realized with built in in DC motor tachogenerator On figure 16 is given example scheme of the converter type 12030 WSM connection with common secondary coil of the transformer of the operative supply and synchronizing of the converter control Nominal lineal voltage of the coil xly1z1 is 3x32V ac Shunts defining the source of the synchronizing are placed in position J1 J2 J3 2 Nominal lineal voltage of the power secondary coil XYZ is to 3x220V ac and is defined by DC motor max armature voltage In Appendix 1 is written methods about calculating of the power transformer For supply of the digital inputs is used inner operative voltage 24Vpc when the position of shunt J9 INT and the outputs of the CNC are type N Converter speed feedback is realized with Built in in DC motor encoder which is connected to interface X3 and is supplied by it To watch positions the system is used interface X4 which is an extension of X3 Attention For systems
9. max DC motor speed for concrete USING netten tremit ertet eerie tote toit a ERE ELCHE eee beet eb Ee Ede 46 8 2 2 Pre adjusting of speed feedback sess 8 23 Adjustment of converter nominal current us 8 244 Adjusting the motor parameters ien irre tette s ERE REFER SEXE NE SE ELEM EAE RSEN EO LERNEN RENE E RENS ERE REX eee UNS EAN 8 3 Starting converter in proportional mode eerie escis eee eese eese eese tn setas tasa sss s etos etos e ease tas eta setas ta sto 8 4 Protection adjusting c eeeeeeee eee eese esee ee ee esee ee setas asse tons toss ease ease ease ease to seta sesso estos sse sone to se to setas staat tosta eta 8 5 Starting the converter in integral mode 4 eere e eee ee esee eene eee ense tn seta sten statt ta sns so neto setas e ease tas eta setas es sto 8 6 Converter starting in torque controlling mode 9 POSSIBLE TROUBLE SHOOTINGS AND REMEDY ACTIONS eeeeeeee cesse esee ee sten stesse tasto ss tos etna sta 55 eN d nib b di err 56 V Nduonii bquE A M TRA 57 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 3 document version UGeSRV825 226 WSM O ELL 1 General description Series 12XXX WSM are a new generation intelligent thyristor converters based on modern DSP CPLD technologie
10. threshold of gain work Kp2 Speed regulator works with amplification gain Kp2 for value of the chosen adaptation variable more than the value of parameter P05 05 Parameter P05 06 integral time constant of speed regulator Tn1 Active range of integral constant Tn1 is defined with the threshold given with value of parameter P05 08 When variable changes for adaptation from value of P05 08 to value of parameter P05 09 integral constant of speed regulator changes lineal from value Tn1 to Tn2 Parameter P05 07 integral time constant of speed regulator Tn2 Active range of integral constant Tn2 is defined by threshold given with value of parameter P05 09 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 35 document version UGeSRV825 226 WSM O ELL Parameter P05 08 variable threshold for work of integral constant Tn1 Speed regulator works with the integral constant Tn1 to value of chosen adaptation variable defined by parameter P05 08 Constant changes lineal from Tn1 to Tn2 for values more than value of parameter P05 08 and less than value of parameter P05 09 Parameter P05 09 variable threshold for work with integral constant Tn2 Speed regulator works with integral constant Tn2 for chosen adaptation variable value more than value of parameter P05 09 Parameter P05 10 differential constant of speed regulator Dt1 Activating range of differential constant Dt1 is de
11. 06 P04 10 Maximum armature current value Iam of p 3 Ia max of p 3 P04 11 P04 07 Ianom Maximum speed Nm of p 4 Speed of p 4 P04 08 P04 12 Nmax Maximum armature current value Iam of p 4 Ia max of p 4 P04 13 P04 09 Ianom Maximum speed Nm of p 5 Speed of p 5 P04 10 P04 14 Nmax Maximum armature current value Iam of p 5 Ia max of p 5 P04 15 P04 11 Ianom Maximum motor speed Nmax of p 6 Speed of p 6 P04 12 100 0 Nmax Maximum armature current value Iamg of p 6 Ia max of p 6 Group 05 speed regulator parameters Speed offset Speed offset 100 0 P04 13 1024 1024 Ianom discretes Amplification gain of speed regulator Kp1 Pgain sp reg Kp1 0 1 100 0 Amplification gain of speed regulator Kp2 Pgain sp reg Kp2 0 1 100 0 Work threshold of the gain Kp1 Threshold Kp1 0 00 P05 05 Work threshold of the gain Kp2 Threshold Kp2 P05 04 100 00 Integral time constant of speed regulator Tn1 Icomp sp reg Tnl 1 0 1000 0 Integral time constant of speed regulator Tn2 Icomp sp reg Tn2 1 0 1000 0 Work threshold of integral timeconstant Tn1 Threshold Tn1 0 00 P05 09 Work threshold of integral timeconstant Tn2 Threshold Tn2 P05 08 100 00 Differential timeconstant Dt1 Dcomp sp reg Dtl 0 1 100 0 Differential timeconstant Dt2 Dcomp sp reg Dt2 0 1 100 0 Work threshold of the differential
12. 5 2 Supply of the DC motor armature Converters type 12XXX WSM DC motor is connected to power terminals A2 X7 5 D1 X7 6 and D2 X7 7 of the power interface X7 Connecting schemes of DC motor are shown on figure 15 figure 16 figure 17 figure 18 and figure 19 5 5 3 Supply of the power contactor The converter type 12030 WSM contactor K1 for commutation of power supply voltage and the DC motor dynamic stopping circuit is built in To terminal X7 8 and X7 9 of the power interface X7 is connected the operative supply voltage of K1 The converter type 12080 WSM contactor K1 for commutation of the power supply voltage and dynamic stopping circuit is external Relay output of the converter X7 8 and X7 9 commutates operative supply voltage of K1 Connecting scheme of contactor K1 and the DC motor dynamic stopping circuit is given on figure 17 18 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM IE TYT TYTO d I ns EE Zn l2 220n 220n Pt R3 x3 X2 pE c m Bia E U V IWI N A2 D1 D2 220V x7 11213 4 5 6 7 89 Figure 11 Electrical circuit of power block for converter type 12030 WSM Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 19 document version
13. 8 List of parameters Notes 1 Parameters in the black fields can be changed only after writing the password and command ENBL is off Parameters in white fields can be changed in all modes only after writing the password 2 Parameters value can be read without writing the password 3 For the sake of convenience parameters which show accumulated errors from protections group P03 are in group P01 of watching parameters too 28 Series I2XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 6 4 Describing the parameters 6 4 1 Group 01 parameters for watching variables Parameters from P01 01 to P01 13 enable watching the values of the variables which describe converter and motor work These parameters are accessible in all modes Parameters P01 01 current value of speed reference It is defined as a percentage of maximum speed Nmax Parameter P01 02 current value of real speed It is defined as a percentage of maximum speed Nmax Parameter P01 03 current value of armature current reference It is given in amperes without a sign Parameter P01 04 current value of actual armature current It is given in amperes without a sign Parameter P01 05 current value of armature voltage It is given in volts with a sign Parameter P01 06 status of the digital inputs The status of the digital inputs is given in binary code Correspo
14. 9 20 0 0 1 1 0 1 37 5 21 1 1 0 1 0 1 39 2 22 0 1 0 1 0 1 40 9 23 1 0 0 1 0 1 42 6 24 0 0 0 1 0 1 44 2 25 1 1 1 0 0 1 46 0 26 0 1 1 0 0 1 47 6 27 1 0 1 0 0 1 49 3 28 0 0 1 0 0 1 51 0 29 1 1 0 0 0 1 52 7 30 0 1 0 0 0 1 54 3 31 1 0 0 0 0 1 56 0 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 13 document version UGeSRV825_226 WSM Ubr RP5 in the middle oO j oi om o mHHM I Io ZG Qo jij ioj io ojcc o o3 Io jd io Iioij co eoc o m B I Ioj icoi io ojj oiojj o ol ij oo34 jojo j i i o ecjooiloj iicoococoo i j oiojoo3 i WI I ooo oji j ec oijojojoocoo5 D ij i A l oilo jojocoooom 5 6 I i c c ojjojoooiloocolo lo ojojojoiojooocolooo ooco o jojo oio ec oljojjoocnoioocoococo ojojoji j i 3 i 2 5 6 3 4 O l C lo Table 3 Voltage of the tachogenerator when speed is maximum and reference is maximum Note Fields with 1 mean that there is a shunt C48 34K 1 X1 12 1 1K 1 c4 330n R119 R120 Ubrb 9K76 1 9K76 1 X1 24 il HB SF Figure 7 Structure of analog input for tachogenerator Ubr 49 9K 1 24 9K 1 12 4K 1 6 19K 196 3 09K 1 1 54K 196 OPA2277 5 1 5 Others e AGND X1 11 24 analog
15. They are used for control converter work 2 digital outputs relay type carrying capacity 0 3 A at 100 Vac and 0 3 A when voltage is 24 V pc They show to the outside control device moment status of the converter Differential analog input Uref It is used to set motor speed rotating with analog bipolar signal Analog input Ubr for tachogenerator Inner voltage of converter 12V X1 10 and 12V X1 23 Signal s interface X1 is placed on 25 pins terminal at the upright side of the face panel Inside Outside Figure 5 Correspondence of signals and pins of the terminal signal s interface X1 Signal GND 11 AGND 16 21 VRDYI 22 OVLI 24 Vext 12 Ubra VRDY2 13 ENBL 23 12 Vint OVL2 14 GND 24 Ubrb 12 Vint 15 24 Vext 25 Urefb Table 2 Correspondence of signals and pins of the interface X1 5 1 1 Digital inputs e PRDY X1 5 when command PRDY is received the built in power contactor K1 switches on For converter type 12060 250 WSM contactor K1 is external and when command PRDY is received the relay contact X7 8 X7 9 closes Then check about availability and correspondence of power synchronize voltage When the converter is ready LED Light Emitting Diode indication RD lights in mode of constant lighting and relay output VRDY activates When there is any error the converter enters an emergency mode When there is an emergency mode the converter is ready after a secon
16. USL3 X5 1 of interface X5 When shunts are J1 J2 J3 2 synchronizing is made by voltage of three phase coil for operative supply connected to UPL1 X5 8 UPL2 X5 7 and UPL3 X5 6 of interface X5 Coil for synchronizing or coil for operative supply when it is used for synchronizing can be performed like Separate three phase coil of power transformer On figure 16 is given version with common coil of power transformer for synchronizing and operative supply On figure 18 is given version with common coil for synchronizing and operative supply when it is used a power autotransformer Three phase coil of additional three phase low powered transformer This version is used in cases when there is a power transformer but it is impossible to make an additional coil for synchronizing and it is given on figure 17 Three phase coil consisted in secondary coils of low powered mono phase transformers This version is used in cases when there is a power transformer but it is impossible to make additional coil for synchronizing Versions with using of low powered mono phase transformer for synchronizing and operative supply of control block are given on figure 15 To be in phase of coil for synchronizing and power secondary coil are used versions of coil connecting given in Appendix 2 5 3 3 Input for external temperature sensor TOH Input TOH X5 11 X5 12 is for connecting outer contact temperature sensor for protection of power transformer fro
17. X3 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 39 document version UGeSRV825_226 WSM TC4 ET i sov alalafltaflafa lt 12030 WSM TC7 X7 Gano 1 TC TCI Figure 15 Connecting converters 12030 WSM to power supply autotransformer and separate group mono phase transformers for operative supply and synchronization 40 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM EMERGENCY STOP E TC7 d ES S li li B B E E R PRDY mu mue RDY s Be os Sil 12030 WSM TC 1 PUR essai kea ros _ A2 pil Dal i 5 5 i K Al l i DC MOTOR ENCODER Figure 16 Connection the converter 12030 WSM to the mains transformer with common three phase operative and synchronizing coil Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 41 document version UGeSRV825_226 WSM NUN UIN UE VAN Y i i i 1 x lt bici 1 lt oi UY IN e mtO UU i i y 1 r i i Eun j H m T i f eti i H em H ee re AX jah Ne 12060 WSM 3 29 mlr l TCI Figure 17 Connection the converter 12060 WSM to additional three phase tra
18. a purpose to get machine speed to adjust converter max speed higher than given in the motor table Example DC motor with max rotating speed 1500 min is connected to ball screw with a step 10mm directly as at this the moving maximum speed of the support will be 15 m min If the allowed max machine moving speed will be 5 m min that corresponds to the DC motor max speed 500min When the DC motor maximum rotating speed is adjusted wrongly for example it stays 1500min so when we give the system moving 0 5m min responding to 50 min the motor real rotating speed is 150min i e the actual speed is three times higher from given and waited by system This leads to over regulating speed also including the whole closed system to be excited i e there may be speed fluctuation moving in pushes When the system is of firm FANUC and other analog reference for max speed is 7 V To converters 12XXX WSM in purpose of university it is accepted the reference of maximum speed to be 10 V Therefore when converters 12XXX WSM work with systems of given type it needs system to be adjusted at this speed so when it is given 7V needed machine max moving speed to be reached Example When reference is 7V the motor max speed must be 500min the system must be adjusted to max speed equal to 500 10 7 714min Attention DC motor max speed must be response to machine max work speed 8 2 2 Pre adjusting of speed feedback e Speed feedba
19. current Group 05 Speed regulator parameters These parameters define amplification gain time constants and adaptation of speed controller Group 06 current armature controller parameters These parameters define amplification gain and time constant of armature current controller and make equal current pulses in each phase Group 07 terminal parameters Parameters in this group determine terminal working language and the frequency of indication refreshing Group 08 error history These parameters register protection activating in order of their appearance When the registers are full the error messages are reset automatically in order of their appearance This list of parameters their sign and limits of their variation are given in table 8 Terminal displays not only parameters information but information of emergency mode in converter work If a message Error N XX appears it means that there is an emergency mode which number is given in the last two orders of the message A message of emergency mode appears when it is registered independent of converter mode and without additional user s action Registered error announcements are saved in parameters group P08 in order of their appearance After pressing the key ESC it is restore the previous status before appearing the error In table 12 and table 13 are given detailed data for announcements of emergency modes and reasons of their appearance Series 12XXX WSM thyristor
20. d Image of user s parameters 2 Restoring the user s parameters Work mode of the converter Mode control 0 1 2 Converter nominal current Idrvyom Curr arm nominal 5 0 100 0 Calculated equivalent resistance R26 R27 R26 27 calc Choice the source of speed reference Users source ref 0 1 2 Speed reference when P02 09 1 Source of ref 100 00 100 00 Choice of speed feedback User feedback 0 1 Changing the speed reference sign Sign vel ref 0 1 Changing speed feedback sign tahogenerator Sign vel fdbck 0 1 Changing speed feedback sign encoder Sign enc fdbck 0 1 Encoder resolution Encoder puls num 100 20000 Encoder rotating speed when motor speed is max Encoder sp max 100 20000 Waiting the relay output of ready VRDY Wait VRDY 0 30000 Group 03 protection parameters Allowed number breaks in synchronizing protection P03 01 SPF Thr synchr break 5 50 P03 02 Max number registered breaks in synchronizing Max synchr break 0 50 protection SPF P03 03 So allowed diversion in synchronizing protection Thrssuchebdey 100 800 us P03 04 ro max diversion in synchronizing protection Max synchro dev 800 800 i P03 05 Allowed number breaks in power protection HPF Thr power break 5 50 P03 06 sie number registered breaks in power protection Max power break
21. different by sign the following two cases are possible e Speed feedback with tachogenerator The motor rotating direction corresponds to the given reference Change the connection of the tachogenerator or invert the sign of the feedback by parameter P02 13 The motor rotating direction is opposite to the given reference Change the connection of the motor armature or invert the sign of the reference and the sign of the feedback by parameters P02 12 and P02 13 e Speed feedback with encoder The motor rotating direction corresponds to the given reference Change the connection of the encoder for example two phases A and A or invert the sign of the feedback by parameter P02 14 The motor rotating direction is opposite to the given reference Change the connection of the motor armature or invert the sign of the reference and the sign of the feedback by parameters P02 12 and P02 14 Check the work of converter power rectifier as you watch the form of armature current in control point KP20 to ground control point KP8 with an oscilloscope Checking is made at low motor rotating speed for example 5 of max speed Nmax Return motor rotating direction and watch motor armature current again Watched pulses of armature current must be with interval 3 3 ms and the amplitude difference no more than 2096 If there is difference between each first and fourth pulses they can be made equal by thrimmer RP4 When there is difference
22. from motor name plate Parameter P04 03 motor maximum working speed It is the real maximum speed at which the motor will work in the concrete use Parameter P04 04 limited speed Nm1 when DC motor works with max armature current Iayax defined by parameter P04 05 p 1 table 11 It is defined in percentage of max speed Nmax Parameter P04 05 max value of armature current IayAx when the speed is Nm1 defined by the parameter P04 04 p 1 table 11 It is defined in percentage of armature nominal current Ianom Parameters P04 06 P04 15 points of dynamic current limit characteristic Parameters P04 04 P04 13 are allowed only when the password is chosen and command ENBL is switched OFF When parameters defining characteristic of dynamic current limit are set it needs to follow next rules e Points of dynamic current limit characteristic are placed in speed rotating rate from 25 Nmax to 100 Nmax and armature current rate from 50 Ianom to 500 Ianom e Point 1 of dynamic current limit characteristic is defined with limit rotating speed Nm defined by parameter P04 04 and max armature current IayAx defined by parameter P04 05 e Each following point has to be when speed is no less than the limit speed and current lower than the limit 34 Series I2XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM ELL One example of defining paramete
23. ground In relation to it all analogue signals are defined including the feedback speed signal when tachogenerator is used 14 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM O ELL e 12V X1 10 and 12V X1 23 inner operating voltage They are used to form bipolar voltage for motor speed by external variable resistor as it is given on figure 19 When resistance of resistor is equal to 10 K range of variety of voltage is 10V 5 2 Interface X3 and X4 for encoder Interface for encoder X3 is lead to 9 pins terminal at the bottom of face panel of converter Scheme of input part of channel for encoder and correspondence of interface X3 signals to pins of the terminal are given on figure 8 and table 4 Converter works with encoder as a sensor of speed feedback when parameter P02 11 1 Interface X4 is an extension of encoder interface X3 and gives an access to encoder signals by other device The correspondence between the signals of the interface X4 and the terminal pins is given on figure 8 and in table 5 VCC 5V o 100n KP31 KP30 KP29 ENCODER MODULE o o o 9 8 T 6 5 4 3 2 1 Figure 8 Electrical circuit and place of interface X3 pins for encoder and its extension X4 Interface X3 Connector DB9 F 2 Gnd ts a 8 Table 5 Correspondence between signals and interface X4 pins 5 3 Interface of operativ
24. increases and time of reaching given speed decreases and over regulating increases over speed of given speed but the motor may be self energetic When parameters have low values time of reaching given speed increases Parameters P05 06 and 05 07 integral time constant of speed regulator When parameters have low values reaction speed of speed regulator increases which decreases speed error but the system may be self energizing When parameters have high values time of reaching given speed increases Parameters P05 10 and P05 11 differential time constant of speed regulator Increasing the parameter value leads to decreasing the over regulating over speed the given speed and speed damping increases When parameters have high values the system may self energizing according to their leading influence When we start the system with unknown motor directly in the machine not only one parameter may be incorrect In this case first adjust the speed regulator in low working speed as optimizing parameters P05 02 P05 06 and P05 10 to uniform motion without any pulses needed position accuracy Increase the work speed and adjust parameters P05 03 P05 07 and P05 11 when the work in whole range and all modes is correct When we adjust the speed regulator it is recommended to keep in mind these definitions Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 53 document version UGeSRV825 226 WS
25. lead Triangle Star with lead centre centre j j Star Zigzag with lead centre Triangle Triangle Triangle Triangle Zigzag with lead Zigzag with lead centre Triangle 8 centre Star with lead star centre Star Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 57 document version UGeSRV825 226 WSM O ELL 58 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL PASSPORT THYRISTOR CONVERTER FOR DC SERVO MOTOR ELL Bulgaria 8801 Sliven PO 1207 Stoil Voyvoda sq No 1 2 fl tel 359 44 66 72 26 fax 359 44 66 79 33 e mail ell ell bg com http www ell bg com Series 12XXX thyristor converters for control of DC motors for servo drives Pasport document version UGeSRV825_226 WSM 59 O ELL GUARANTEE CARD Name of device Thyristor converter for DC servo motor type cc eee e eee neces cu E E Date of made 22e lide cerea is Guarantee period 24 months from the date of working but no more than 28 months of date of made Manager PIRE Guarantee duties 1 Firm guarantees device working when there are no transport damages and there is working conditions given in user s manual 2 Device damaged during the guarantee period through producer fault puts in claim 3 Guarantee falls if componen
26. more phases of the power mains Breaks in power mains are registered hardware and set in the error counter of protection HPF If the number of registered breaks is more than value of parameter P03 05 the protection HPF activates and LED indication PF flicks with a period 1s Notes 1 When there is a failing of synchronizing phase and a power voltage at the same time protection SPF activates and LED indication PF lights constantly because software protection has priority 2 When the phases are changed between power and synchronizing voltage protection HPF activates because it is registered hardware Parameter P03 06 P01 12 max number registered sequence break in power mains to its restore Watching for breaks in power mains starts at the moment when the converter is switched ON By terminal key UP the value is reset and starts new break registering Value of parameter P03 06 is not written in power free memory If number of registered breaks in power mains is more than the value written in P03 05 protection HPF activates Parameter P03 06 allows watching the quality of power mains Parameter P03 07 working mode of hardware protection HPF It can be e P03 07 0 in this mode protection HPF is OFF and any breaks in power supply are not registered by parameter P03 06 If there is any mistake in power supply converter is not switched OFF e P03 07 1 in this mode protection HPF is switched ON When there are any breaks in power
27. motor by analog bipolar signal Range of input voltage of the differential analog input is 10V when input resistance is no less 10 K 5 1 4 Analog input for tachogenerator Analog input for tachogenerator Ubr X1 12 X1 24 is used in case when feedback speed sensor is tachogenerator when parameter P02 11 0 On figure 7 is given electrical circuit of analog input for speed feedback with tachogenerator Changing the range of feedback input is performed by shunts A1 A2 A3 A4 J5 and J6 In table 3 is given shunt status for different range of analog input for speed feedback Precise adjustment of the speed feedback in range 10 for each range chosen by corresponding combination of shunts Al A2 A3 A4 J5 and J6 is performed by trimmer RP5 Place of shunts A1 A2 A3 A4 J5 and J6 also trimmer PR5 by which it is chosen and adjusted the range of maximum voltage of the analog input for the tachogenerator is given on figure 20 Ubr RP5 in the middle 1 1 1 1 1 1 1 57 2 0 1 1 1 1 1 7 4 3 1 0 1 1 1 1 9 0 4 0 0 1 1 1 1 10 7 5 1 1 0 1 1 1 12 4 6 0 1 0 1 1 1 14 0 7 1 0 0 1 1 1 15 8 8 0 0 0 1 1 1 17 4 9 1 1 1 0 1 1 19 2 10 0 1 1 0 1 1 20 8 11 1 0 1 0 1 1 22 5 12 0 0 1 0 1 1 24 2 13 1 1 0 0 1 1 25 9 14 0 1 0 0 1 1 27 6 15 1 0 0 0 1 1 29 2 16 0 0 0 0 1 1 30 9 17 1 1 1 1 0 1 32 6 18 0 1 1 1 0 1 34 1 19 1 0 1 1 0 1 35
28. not change DC motor current Parameter P02 08 value of the equivalent resistance of the measured resistors R26 and R27 The converter nominal current Idrvyom is defined by the value of the equivalent resistance of the measured resistors R26 and R27 The two resistors are in parallel connection Place of the resistors is given in figure 20 In case when it is used a motor with nominal armature current less than the nominal current of adjusted converter in factory it needs it to be adjusted At this the converter working characteristics given in table 1 are the same For the chosen nominal current Idrvyoy the equivalent resistance of the measured resistors R26 and R27 is defined by expression 30 Re 400 Idrvyom Where Re equivalent resistance in ohms Q Idrvyom converter nominal current in amperes A By given expression the value of parameter P02 08 is calculated Each resistor must be with power no less than 250 mW For values of Re less than 20 Q must be used two resistors Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM O ELL For values of Re more than 20 Q may be used one resistor For example When Idrvyom 32 A Re 400 32 12 5 Q Choose the nearest value R26 R27 24 Q ATTENTION 1 For the correct calculation the value of the equivalent resistance in parameter P02 08 first the value of the convert
29. rapidly and stops are given on figure 23 Tek ol ew Acq Complete M Pos 10 20ms SAVE REC Tek ol lee Acq Complete M Pos 10 20ms SAVE REC AA H Y About About Saving Saving Images Images l Select 1 Folder Select 1 Folder Save Save TEKOOO4 BMP TEKOOOS BMP CH1 500m M 5 00ms CH1 1 02V CH1 500m M 5 00ms CH1 1 02V 23 Apr 06 03 43 lt 10H2 23 Apr 08 03 43 lt 10H2 Acceleration Stopping Figure 22 Current curves with over regulating when parameter P06 01 has high value and parameter P06 02 has low value Tek BM Acq Complete M Pos 10 20ms SAVE REC Tek EUM Acq Complete M Pos 10 20ms SAVE REC About About Saving Saving Ww Images Images Select Select 1 WW Folder m VAL Folder Save Save TEKOOO6 BMP TEKOOO BMP CH1 500mVv M 5 00ms CH1 1 02V CH1 500mVv M 5 00ms CH1 1 02V 23 Apr 06 03 50 lt 10H2 23 Apr 06 03 50 lt 10H2 Acceleration Stopping Figure 23 Current curve with lasting transient process when parameter P06 01 has low value and parameter P06 02 has high value e Adjusting the speed regulator After adjusting the current regulator it is made checking the speed regulator Give a step speed reference from 0 to 100 of max speed and vice versa and also reverse Watch speed form in control point KP10 and current in KP20 on an oscilloscope Forms of processes when speed regulator is optimal adjusting is given on figure 24 It allows a single speed leap which is not more t
30. timeconstant Dt1 Threshold Dt1 0 00 P05 13 Work threshold of the differential timeconstant Dt2 Threshold Dt2 P05 12 100 00 Group 06 parameters of the armature current regulator P gain curr reg Amplification gain of current regulator 0 01 2 00 Integral time constant of current regulator I comp curr reg 10 0 1000 0 Adjustment of the current amplitude of phase L1 Curr peak L1 512 512 Adjustment of the current amplitude of phaseL2 Curr peak L2 512 512 Adjustment of the current amplitude of phase L3 Curr peak L3 512 512 Offset curr Current offset 50 50 P02 05 Current ramptime Ramp time curr Group 07 terminal parameters 0 500 P07 01 Terminal language Language 0 1 2 P07 02 Refreshing time Refresh rate 1 1000 Group 08 Error history P08 01 Error 1 Error 1 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM 27 Name of the parameter Limitor Measure variation Error 2 Error 2 Error 3 Error 3 Error 4 Error 4 Error 5 Error 5 Error 6 Error 6 Error 7 Error 7 Error 8 Error 8 Error 9 Error 9 Error 10 Error 10 Error 11 Error 11 Error 12 Error 12 Error 13 Error 13 Error 14 Error 14 Error 15 Error 15 Error 16 Error 16 Reset errors Reset errors Table
31. 0 50 P03 07 Work mode of protection HPF Enable HPF 0 1 z z 7 P03 08 Time for activating of protection OLF Tt from Threshold OLF 0 10 5 00 E motor overloaded 26 Series I2XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM Name of the parameter Work mode of protection OHF Enable HPF Limit of variation 0 1 Measure Limit allowed speed Num protection SOS Threshold SOS 100 0 110 0 Yo Nmax Limit current Idrv jy of the converter protection SOC Threshold SOC 105 0 125 0 Tamax Armature voltage when protection STG is activating Tresh Ua TGF 40 0 80 0 Uamax Reserved RESERVED Reserved RESERVED Reserved RESERVED Working mode of protection OLF Enable OLF 0 1 Armature voltage of activating the protection OVM Threshold OVM Group 04 motor parameters Maximum armature voltage Uamax Ua max motor 110 0 130 0 10 250 Max motor speed in motor name plate N max motor 100 10000 Real max motor speed N max motor real 100 10000 Maximum speed Nm of p 1 Speed of p 1 25 0 P04 06 Maximum armature current value Iamax of p 1 Ia max of p 1 P04 07 500 0 Maximum speed Nm of p 2 Speed of p 2 P04 04 P04 08 Maximum armature current value Iam of p 2 Ia max of p 2 P04 09 P04 05 Maximum speed Nm of p 3 Speed of p 3 P04
32. 4 10000 225 Integral time constant of speed regulator Tn1 10 1000 ms 400 Integral time constant of speed regulator Tn2 1 0 10000 ms 800 Work threshold of integral timeconstant Tn1 0 00 P05 09 075 Work threshold of integral timeconstant Tn2 P0508 10000 225 Differential timeconstant Dt1 01 1000 100 J P05 11 Differential timeconstantDt2_ f 01 100 f 100 P05 12 Work threshold of differential timeconstant Dtl 0 00 P0513 0 75 P05 13 Work threshold of differential timeconstant Dt2 P05 12 10000 225 Group 06 parameters of the armature current regulator POG Ol Amplification gain of current regulator 0017200 f 013 P06 02 Integral time constant of current regulator 100 10000 ms 150 P06 03 Adjusting of current amplitude of phase LI f 512 512 ps 0 P06 04 Adjusting of current amplitude of phase L2 512 512 ps 0 P06 05 Adjusting of current amplitude of phase L3 512 512 us 0 50 0 50 0 P06 07 Current ramp eae w M Group 07 terminal parameters P07 01 Terminal language 90012 0 PO7 02 Refreshingtime 12100 ms 100 P08 01 Error 1 EMPTY X pog amp O2 Emor2 0 0 0 0 0 ery P08 03 Error 3 EMPTY PORO4 EmorA EMPTY POROS Emor5 EMPTY POROG EmorG EMPTY P08 07 Error 7 EMPTY P08 08 Error 8 EMPT
33. 5096 of the machine fast motion and by parameter P01 02 is read the real speed of the DC motor I given and real speed are different by correction of the value of parameter P02 16 these two speeds are made equal 8 2 3 Adjustment of converter nominal current When we choose a converter for a type motor we have to know that converter nominal current Idrvyom should be equal or more than the motor nominal current Iawoyw The converter nominal current is adjusted by measured resistors R26 and R27 After inserting in parameter P02 07 the motor nominal current by parameter P02 08 can be defined the value of the equivalent resistance of the resistors R26 and R27 in ohms Note It is not allowed adjusting the nominal current of the type converter higher than given in table 1 8 2 4 Adjusting the motor parameters Insert parameter values which have direct relation to work and limited allowed motor characteristics Parameter P04 01 max voltage of the motor armature Uamax Note When chosen max speed is lower than given in motor name plate insert in parameter P04 01 value of the armature maximum voltage corresponding to this maximum speed Parameter P04 02 motor max speed from its name plate Parameter P04 03 maximum motor working speed in this use Parameter P04 04 motor max speed Nm to which is allowed work with max armature current Tamax Parameter P04 05 max motor armature current IayAx Parameters
34. GE S N ma ELL MADE IN BULGARIA C C C C CZ CL C 176 5 mm Figure 2 Connecting and overall dimensions of converters type 12060 250 WSM Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM O ELL On figure 3 is shown convertor construction type 12030 250 WSM where different elements are placed Main kontrol board Radiator Thyristor modulus Current transformers Fuses FU FV FW Power contactor Power terminals Figure 3 Converter type 12030 250 WSM elements positions Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 9 document version UGeSRV825_226 WSM O ELL On figure 4 is given converter construction type 12060 250 WSM where different elements are placed Main kontrol board Radiator Thyristor modulus Current transformers Fans Power terminals Figure 4 Positions of elements of converter type 12060 250 WSM 10 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 5 Interface and converter statues indication 5 1 X1 signal s interface The signal s interface consists of 2 digital inputs galvanic isolated voltage 24Vpc input current to 10 mA Input signal low level from 0 to 7V and high level from 13 to 30V
35. M O ELL 1 When we increase the amplification constants Kp1 P05 02 and Kp2 P05 03 integral time constants Tn1 P05 06 and Tn2 P05 07 must be decreased in same proportion 2 When we decrease the amplification constants Kp1 P05 02 and Kp2 P05 03 integral time constants Tn1 P05 06 and Tn2 P05 07 must be increased in same proportion 3 Differential time constant Dt1 P05 10 and Dt2 P05 11 should be 50 of absolute value of amplification constants Kp1 P05 02 and Kp2 P05 03 8 6 Converter starting in torque controlling mode In this mode system works only when other motor in the system leads It may work in adding torque mode and in subtraction the torque brake mode according to the sign of given torque When we start converter in controlling torque mode it should be started and adjusted in speed control in idling mode according to p 8 5 After adjusting in controlling speed mode connect the motor to the load and insert next parameters Parameter P02 06 2 controlling torque mode Parameter P04 01 motor armature max voltage Uamax responding to max limit speed of acceleration over which protection SOS of over speed max speed activates As motor speed and its armature voltage are changed in lineal law we can limit speed to wishing value with armature voltage Attention In this mode if the motor is without load it can self accelerate so the load should be connected hopefully 54 Series 12XXX WSM thyr
36. P02 14 1 10 While the device is working OLF 12t protection activates LED OL lights constantly Over loaded motor Check working mode of the machine If necessary replace with more powerful drive Check also parameter P03 08 value 11 While the device is working protection OHF activates only to12060 WSM and when parameter P03 09 1 LED OL flashing with a period 1s Over heated power block Switch OFF the converter and cool it Provide power block of the converter with better ventilation 12 During transient processes SOC protection becomes active LED OC lights constantly Over current the allowed current Idrv jy max Current regulator setting should be optimized Check parameters P03 11 P06 01 P06 02 values Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM 55 O ELL Appendix 1 Methods of defining of power transformer Input data for calculations Nominal motor armature current awow Max motor armature voltage Uamax Lineal secondary voltage of operative coil UJ Phase secondary voltage of operative coil Uf Phase current of operative coil Lf Calculation data Lineal voltage of power secondary coil Ul Phase voltage of power secondary coil Uf Phase current of power secondary coil Lf Type transformer power St Calculation formulas Power secondary coil 2
37. UGeSRV825 226 WSM 2 FANDC1 5 U2 V2 W2 Ut V1 wi 20 X7 1 2 3 4 5 6 7 8 9 Figure 12 Electrical circuit of power block for converter type 12060 WSM Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 5 6 Indication for converter status At the top part of the face panel are placed 6 LED indications which show the moment converter status Lighting of each of them means a normal work mode or emergency mode LED indications for converter status are e normal converter work mode RD flicks with a period of time 1 s ready of the converter at switching the power supply RD lights constantly ready of the converter after receiving the control signal PRDY ON lights constantly the converter work is able after receiving the control signal ENBL e in emergency converter work mode PF lights constantly protection SPF Disconnect or bad connection in any phase of synchronizing voltage There is something wrong in phase power and synchronizing voltage PF flicks with period 1s protection HPF There is disconnection in power supply PF flicks with period 0 3s protection FRF Frequency of power mains is out of admissible range
38. USER S MANUAL SERIES 12XXX WSM DIGITAL THYRISTOR CONVERTER FOR DC SERVO MOTOR ELL Bulgaria ell ell bg com http www ell bg com O ELL Contents 1 GENERAL DESCRIPTION B sos 4 2 OPERATING INSTRUCTIONS STORAGE AND TRANSPORTATION eeeeee eee eese e sensns etas ta sensn 5 3 TECHNICAL FEATURES T 6 4 INSTALLATION AND DIMENSIONS cccccssssssscssscssscssscscscscesscsscssscssscssscssscssscescenecssessscesscssccsscesscssssssssssssesesens 7 5 INTERFACE AND CONVERTER STATUES INDICATION ecce ee eee eene ense tn seta setatis sts sensns tassa setas stas 11 RA DE ESTEE a E Ce RR 11 511 JDipitalinputs 52 E E A E E PUMP ie n eie T 5 1 2 Digital outputs s 5 1 3 Differential analog Iput eison eret ne tr E a ce be diee eei oe exea repe eias eia toute biete Pe bx at Paten 13 SLA Analog input for t chOgeneratoE erret reete Re e ERE ee En E Een ELE bere bees een i avenue Ee ea eene 13 ILS HOMES T 14 5 2 Interface X3 and X4 for encoder ssssssccesscssessssscssessssscnsscsssssescssesessssnsssesssesssssssesssssessesseesesssssssssssssssessers 15 5 3 Interface of operative supply and synchronizing eese escis sees ee esee ee stent tn stans tosta aetas stas ta setas einst 15 3 3 Operative supply of converter control block irn rr nete ce Ree a ERE AR REFERS R ad SE EE EE EXER ae
39. WSM thyristor converters for control of DC motors for servo drives Operation instructions 21 document version UGeSRV825 226 WSM ENCODER A Speed feedback circuit pus as Nref Speed regulator offset Iref P05 01 d Nact B Speed regulator with adaptation in function of real speed 22 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL P04 05 500 0 P04 07 P04 09 325 0 U VW Speed dependent la Current limit t lact Nact l fp Nact T N 5 P06 06 P06 01 P06 02 g Current regulator Iref 5 Thyristor xt rectifier 0 Nref laact m C Current armature regulator Figure 13 Converter functional scheme Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM 23 O ELL 6 Converter adjustment Converter parameters adjustment is made by serial interface X6 by specialized terminal or PC ATTENTION Specialized terminal or PC has to be switched on and off to serial interface X6 only when converter power voltage is off If terminal indication does not flash after converter power is on it means control part is damaged Switch off the power supply and contact the authorized service company 6 1 Work with specialized terminal or PC Parameters defining work of each functional block
40. Y PO8 09 Error9 PTY P08 10 Error10 EMPTY P08 11 Error 0 EMPTY Error12 a Error13 Ps jJ S EMPTY Error14 qp x JD EMPIY j PoRIS EmoriS 0 EMPY s PO8 16fError16 o EMPY P08 17 Error reset L 0o1 f 0o j Note Password access value to parameter edition is 11 2 Parameters in black fields can be changed only when the password is available and command ENBL is switched OFF Parameters in white fields can be changed in all modes only after writing the password 3 Parameters value can be read without writing the password Examiner Sign Date Series 12XXX thyristor converters for control of DC motors for servo drives Parameters table document 63 version UGeSRV825_226 WSM O ELL 64 Series 12XXX thyristor converters for control of DC motors for servo drives Parameters table document version UGeSRV825_226 WSM
41. ary coil of supply transformer only have to ensure needed lineal operative voltage for normal work Synchronizing voltage are ensure by separate coil of power transformer when shunts J1 J2 J3 1 When operative supply of control block is used of synchronizing of converter it needs to observe requirements given in p 5 3 2 5 3 2 Converter synchronizing Converter synchronizing can be made by voltage of separate three phase coil or by voltage of operative converter supply coil Synchronizing voltage must be in phase with voltage of power secondary coil which supply power rectifier Connecting type of synchronizing coil is defined by the rules for synchronizing and by the type of connecting of first and secondary power coils of power transformer Possible versions of synchronizing coil connection according to power coil connection are given in Appendix 2 For converter synchronizing must be used lineal voltage 3x 26 95 V 10 15 phase voltage 3x 15 55 V 10 15 Choice the source of synchronizing is made by shunts J1 J2 and J3 which are placed on processor plate given on figure 20 Principal scheme of electrical circuit for forming synchronizing pulses is given on figure 9 Trimmer resistors RP1 RP2 and RP3 are for additional adjustment phase of synchronizing pulses if it is necessary When shunts are J1 J2 J3 1 synchronizing is made by voltage of separate three phase coil for synchronizing connected to USL1 X5 3 USL2 X5 2 and
42. as reached its changing limit 3 When same parameters depend on each other first change these from which others depend on 6 2 Functional converter scheme On figure 13 is given functional converter scheme with place of influence of each parameter Each parameter is given its default value 24 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 6 3 Converter parameters Parameters are divided into 8 groups Group 01 parameters for watching They indicate values of inner variables control signals and signals to and from DC motor In this group are included parameters for armature current rotating speed armature voltage status of digital inputs and outputs and accumulation protection errors Values of these parameters can not be changed they only can be seen Group 02 converter parameters They determine converter work mode choosing of feedback type of speed reference rotating direction chosen encoder and all general technical features of the power block Group 03 protection parameters Limits of controlling variables which guarantee safe converter work are defined by protection parameters Group 04 DC motor parameters By parameters of this group is set the main technical DC motor features In this group are parameters of rated and maximum armature current rated armature voltage and dynamic current limit of armature
43. ators are switched on When the converter is switched on to the power supply the value of parameter P02 06 0 always e P02 06 1 proportional mode In this mode all the regulators are OFF and the converter works as a rectifier Proportional mode is used when we start the converter for the first time and adjust it The thyristor firing angle is given according to chosen value of P02 09 and inner is limited to safety value e P02 06 2 Torque control mode In this mode the speed regulator is OFF and torque armature current is given is given directly to the DC motor according to chosen source by P02 09 Maximum value responses to maximum torque current of the DC motor Attention In this mode if the DC motor is without load it rotates with over speed Parameter P02 07 Scale of the channel for measuring the armature current By parameter P02 07 we scale the armature current circle which allows measure all current variables in A amperes Parameter P02 07 value must response to nominal converter current Idrvyoy chosen by measured resistors R26 and R27 of armature current sensor Setting the parameter P02 07 value is not changed when we restore the understanding values by parameter P02 03 The correspondence between equivalent value of measured resistors R26 and R27 and the converter nominal current is given in parameter P02 08 Attention Changing the value of parameter P02 07 without changing loading resistors of the current sensor does
44. ay it means that there is an error which number is given in last two orders Error announcement appears when it is registered in any converter mode When we press key ESC terminal status which was before appearing the error is restore In table 12 are given error announcements and in table 13 LED indication when there is an emergency mode 36 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL Error Ne Error description Break or out of phase power and synchronizing voltage Wrong converter ground Error N 01 Soft Phase Fault Error N 02 Hard Phase Fault Break power supply or voltage of any phase Error N 03 FRequency Fault Frequency of power net out of allowed range or absence of synchronizing Error N 04 OverLoad Fault Motor overloaded Error N 05 OverHeat Fault Converter power block overheated when P03 09 1 Error N 06 Soft OverSpeed Over speed given by parameter P03 10 limit speed Nim Error N 07 Soft OverCurrent Over current given by parameter P03 11 limit current Idrv jy of converter power block Error N 08 Hard OverCurrent Over current of max allowed current Idrvyiim of converter power block Wrong connection short circuit or break of tachogenerator circuit Wrong Heron WI por TG fault chosen parameter P03 12 Error N 11 ENcoder Fault Wrong connection or break encoder circuit Err
45. between one phase current and other i e different one to other pulses they can be made equal by parameters P06 03 P06 04 and P06 05 In case that they can not be made equal parameters are reset and the difference in pulse amplitude is made equal by thrimmers RP1 RP2 and RP3 When any of the current pulses of any phase absences choose parameter P01 15 and define which thyristor does not work switch OFF converter supply and check the thyristor and its control circuit 8 4 Protection adjusting e Adjusting of break speed feedback protection Protection STG of break speed feedback works as it compares the motor armature voltage and real speed In parameter P03 12 is written armature voltage in percentage of maximum inserted in P04 01 when the break speed feedback protection STG is activated For the correct function of protection STG needs maximum armature voltage Uayax to be insert correctly in parameter P04 01 When the device is adjusted at max speed lower than motor s speed in parameter P04 01 must be insert corresponded to the speed max armature voltage When the value written in parameter P04 01 is much higher than the real one it is possible the protection SOS activates before protection STG When the value written in parameter P04 01 is much lower than the real one it is possible the protection STG activates without any reason in ordinary working conditions e Adjusting the protection SOC of maximum armature over current When the moto
46. ck with tachogenerator Converter is factory made for work with tachogenerator and parameter P02 11 0 Tachogenerator voltage when DC motor rotating speed is max is defined with the formula Ubryax Nmax 1000 Ubriooo where Nmax max motor rotating speed Ubr 1000 tachogenerator voltage when motor speed is 1000 min According to counting max tachogenetaror voltage choose the range from table 3 and shunts J5 J6 Al A2 A3 and A4 must be placed corresponding to chosen combination e Speed feedback with encoder Switch ON the converter supply and on terminal display is appeared the announcement P01 Monitoring When you work with an encoder insert value of the parameter P02 11 1 According to the encoder revolution by parameter P02 15 insert the pulse number per revolution 46 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL Define rotating speed of the encoder when the motor speed is max as there are two cases When the encoder is mounted on the DC motor directly i e with reduction factor 1 in parameter P02 16 insert max DC motor speed Nyax When the encoder is connected to DC motor with any reduction and the reduction factor is different from 1 in parameter P02 16 insert the encoder speed corresponding to DC motor max speed Nmax Checking the right insert encoder speed in parameter P02 16 is made as we give
47. converters for control of DC motors for servo drives Operation instructions 25 document version UGeSRV825 226 WSM O ELL Ne Name of the parameter Text Limit of variation Measure Group 01 parameter for watching variables Current value of speed reference Speed reference 100 0 100 0 Current value of real speed Speed actual 110 0 110 0 Current value of armature current reference Curr arm ref 600 0 600 0 P02 07 Current value of real armature current Curr arm act 600 0 600 0 P02 07 Current value of armature voltage Arm voltage act 250 0 250 0 Status of digital input Status digit inp Reserved RESERVED Status of digital output Status digit out Reserved RESERVED Test of speed feedback Test tacho fluct Current value of net frequency Live frequency 42 00 68 00 Current max diversion in synchronizing Max synchro dev 800 800 Max number registered breaks in synchronizing Max synchr break 0 50 Max number registered breaks in power Max power break 0 50 Status power thyristors Status thyr Current value of power supply armature voltage Power voltage Current value of the encoder pulse number Version of converter software Act enc puls num Software version Access password User password Restoring parameter values by default Default load
48. d command PRDY Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 11 document version UGeSRV825_226 WSM O ELL Firstly after switching the converter power supply to receiving the control signal PRDY it is performed checking if there are the synchronizing voltages and the frequency of the power mains If this checking is successful the indication RD activates in flicking mode Attention It is recommended command PRDY to be in the function of emergency system of the machine and switch off when the emergency system activates After failing of command PRDY the power contactor switches off and dynamic motor stopping activates When the emergency system of the machine is repaired command PRDY restores and servo converter is ready e ENBL X1 18 converter work is available When command ENBL is received converter work is available power part is activated LED ON lights and if any protection is not activated the speed reference is performed Command ENBL performs only when status READY is approached and VRDY activates X1 1 2 5 3k E X144 BERT A X1 6 19 ulla J9 X17 20 o alternativ e A g J9 2 2 wee 24V J9 X17 20 MEX alternativ e B g E 04V J9 1 2 435 1 3k X1 1 2 5 ME 14 15 18 ME 124V X1 6 19 Uext o 5 1V nid Ux 7 14 20 alternativ e C J9 1 Figure 6 Structure of digital inputs OV Power supply o
49. different from FANUC where there is not built in command PRDY is recommended to use the emergency machine system as it is given on figure 16 On figure 17 is given example scheme of converter type 12060 WSM connection For operative supply and synchronizing of converter control is used common secondary coil of additional three phase transformer TF2 Nominal lineal voltage of coil xly1z1 is 3x32V ac Shunts defining the source of synchronizing are in position J1 J2 J3 2 Power contactor K1 resistor of dynamic stopping Rdyn and power fuses FU FV and FW are external For supply of digital inputs are used external operative voltage 24VDC when the place of shunt J9 EXT system outputs of CNC are type P Encoder is connected to system and is supplied by it Converter speed feedback signal is analog and is made by system On figure 18 is given an example scheme of converter type 12030 WSM connected to autotransformer ATF1 For operative supply and converter synchronizing is used common coil x1ylzln connected in star and nominal lineal voltage 3x32V ac Shunts defining the source of synchronizing are in position J1 J2 J3 2 For supply of digital inputs is used inner operative voltage when the place of shunt J9 INT and system outputs are type N Converter speed feedback is realized with built in encoder which is connected to interface X3 and is supplied by it For watching the system position is used interface X4 which is external of
50. drives Operation instructions 17 document version UGeSRV825 226 WSM O ELL X6 fe Ti n o 6 o 2 TxD R8232 o 7 TxD RS485 o 3 RxD RS232 o 8 ol o 9 5 Figure 10 Scheme and pins placed of serial interface X6 Interface X6 Connector DB9 M e p o eee e a a4 7 LL TxD RS485 ee 3 Ror e l3 ce Table 7 Correspondence between signals and pins of interface X6 5 5 Power interface X7 Power interface X7 is lead on screw terminals connects converter to power transformer the DC motor and external protective and contact devices Power interface X7 consists of Supply U V and W on power part of the converter Supply A1 and A2 on the armature of the DC motor Supply operative circuit of the built in contactor K1 for commutation of power supply of voltage and dynamic stopping circuit for converter type 12030 WSM Relay output for operative control of external contactor K1 for commutation of power supply voltage and dynamic stopping circuit of converter type 12060 WSM On figure 11 is given principal scheme of power block with circuit for control of thyristors and power interface X7 for converter type 12030 WSM and on figure 12 the converter type 12060 WSM 5 5 1 Supply of power part of the converter Power supply voltage from secondary coil of mains transformer is connected to terminals U X7 1 V X7 2 and W X7 3 of power interface X7 Ground is connected to terminal N X7 4 5
51. e supply and synchronizing Interface X5 for operative supply and synchronizing consists of Inputs UPL1 UPL2 and UPL3 for operative supply and synchronizing Inputs USL1 USL2 and USL3 for converter synchronizing Input TOH for contact temperature sensor of power transformer Electric circuit of the interface X5 is given on figure 9 Correspondence between interface X5 signals and terminal pins are given on table 6 Interface X5 for operative supply and synchronizing is lead on 15 pins terminal Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM 15 O ELL 5 3 1 Operative supply of converter control block Operative supply of converter control block is connected to UPL1 X5 8 UPL2 X5 7 and UPL3 X5 6 of interface X5 Scheme of the rectifiers for supply of converter control is given on figure 9 Operative supply of converter must ensure lineal voltage 3x320V 10 15 phase voltage 3x18V 10 15 For operative supply can be used Additional three phase coil of power transformer as it is given in figure 16 figure 18 and figure 19 Three phase coil of additional low powered three phase transformer as it is given in figure 17 Three phase coil consists of secondary coils of low powered mono phase transformers as it is given in figure 15 There is no requirement about in phase of coil of operative supply with power second
52. er P03 16 activation of the protection OLF 12t from durative motor overloading is allowed It has two meanings e P03 16 0 activation of the protection OLF is switched off e P03 16 1 activation of the protection OLF is allowed e Hardware protection OHF Over Heat Fault Hardware protection OHF is overheated the converter power block Parameter P03 09 allowing working of protection OHF overheating of converter power block It can be e P03 09 0 action of protection OHF is switched OFF e P03 09 action of protection OHF is allowed When the contact temperature sensor of power bock is activated protection OHF is activated and LED OL indication flicks with a period 1s e Software protection SOS Soft Over Speed Protection SOS is when rotating speed is over allowed Parameter P03 10 limited allowed rotating speed Nym When DC motor rotates with a speed over Nim protection SOS activates When the protection SOS activates the converter stops working the power contactor K1 switches OFF for convertors 12060 WSM relay contact X7 8 and X7 9 opens and LED OL indication flicks with a period 0 3s After protection SOS activates converter will be ready to work after second command PRDY e Software protection SOC Soft Over Current Protection SOC is moment over current of power rectifier limit current Parameter P03 11 limit moment current Idrv jy of the converter power rectifier defined i
53. er Voltage Motor Parameter P03 17 threshold of activating the protection OVM from armature over voltage The value of the parameter P03 17 defines admissible armature over voltage in percentage to the maximum voltage Uamax parameter P04 01 If the armature over voltage is more than the value of parameter P03 17 the protection OVM activates and the LED indication OS flicks with a period of time 0 3 s The protection OVM ensures safety work of the converter when the speed feedback is adjusted wrong e Hardware protection ADC Analog Digital Converter fault Hardware protection ADC something wrong in Analog to Digital Conversion Hardware protection ADC activates when the ADC does not work correctly When protection ADC activates LEDs TG OC OL and PF light constantly e Hardware protection EEF EEprom Fault Hardware protection EEF is when something is wrong in power free memory When there is something wrong in power free memory protection EEF activates Hardware protection EEF activates and when converter starts first time with a new software When protection EEF activates LEDs TG OC OL and PF flick with a period 1s Problem will be solved it needs to be set understanding parameters If protection EEF activates secondary the power free memory has to be changed in authorizing service 6 4 4 Group 04 motor parameters Parameter P04 01 max armature voltage Uayx in V volts Parameter P04 02 maximum motor speed
54. er nominal current must be given correctly in parameter P02 07 2 When you adjust the converter nominal current it must not be more than the value of the nominal current of that converter given in table 1 3 If the converter nominal current is very different from the motor nominal current it is possible the device adjustable features become worse Parameter P02 09 choice a source which gives the speed e P02 09 0 analog bipolar speed reference Uper in range 10V e P02 09 1 digital speed reference with a sign It is defined by the value of parameter P02 10 e P02 09 2 digital speed reference by series interface RS485 RS422 option Parameter P02 10 inner digital reference of velocity in proportional mode when parameter P02 09 1 It is defined in percentage of max speed with a sign When the converter is started the parameter value is always P02 10 0 Parameter P02 11 choice type of the speed feedback Parameter P02 11 has two meanings e P02 11 0 speed feedback with tachogenerator e P02 11 1 speed feedback with encoder Parameter P02 12 changing the sign of the speed reference It can be e P02 12 0 the speed reference sign is the same e P02 12 the speed reference sign is inverted Parameter P02 13 change the feedback sign with tachogenerator Parameter P02 13 has two meanings e P02 13 0 save the existing sign e P02 13 1 invert the existin
55. estore Watching for breaks in synchronizing starts when converter is ON With key UP on the terminal or when the converter power is OFF the value is reset and starts new registering of breaks If number of registering breaks in synchronizing is more than the value written in P03 01 protection SPF is activated Parameter P03 02 allows watching quality of power mains Parameter P03 03 allowed time of synchronizing diversion Time of synchronizing diversion defines duration of time interval in which synchronizing pulse is waited Synchronizing pulses out of this time interval are registered as an error break in synchronizing Number of errors is accumulated in the counter of protection SPF Parameter P03 04 P01 10 max registered time of diversion between waited and registered impulse of synchronizing during the converter work When the registered time is with sign minus synchronizing pulse is ahead of when the sign is plus it is delay from waiting time By terminal key UP or by switching OFF the converter from power net parameter is reset and starts new registering of diversion Parameter P03 04 value is not written in power free memory Parameter P03 04 allows watching power net quality Hardware protection HPF Hard Phase Fault Protection HPF of something wrong in converter power Parameter P03 05 allowed number registered sequence breaks in power mains to activating protection HPF Protection HPF registers failing voltage of one or
56. f digital inputs can be performed Inner operative voltage 24VDC of converter when shunt J9 INT as it is given on figure 6 version A In this case digital inputs can be selected by system outputs type N External operative voltage Uext 24 V DC when shunt J9 EXT how is shown on figure 6 version B and C On figure 6 version B is shown selecting digital inputs of system output type N and on figure 6 version C system output type P Place of shunt J9 by which it is selected the power source of digital inputs is given on figure 20 12 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 5 1 2 Digital outputs e VRDY X1 8 X1 21 converter is ready When converter is ready relay output VRDY closes When command PRDY is received and there is no active protection the converter is ready and LED indication RD lights in mode of constant lighting When any of the protection switches the readiness of the converter falls and relay output VRDY opens e OVL X1 9 X1 22 overloaded of converter Relay output OVL is normally closed when the converter is ready When there is overloaded or protection OLF I t or OHF activates relay contact OVL opens then the converter is not ready and relay output VRDY also opens 5 1 3 Differential analog input Differential analog input Uref X1 13 X1 25 is used to set rotation speed of the
57. figure 15 figure 16 figure 17 figure 18 and figure 19 During this checking DC motor is not switched ON to converter Specialized terminal for adjusting parameters is connected to converter serial interface X6 Open face panel of converter to reach to control plate Choose the source of converter synchronizing voltage When synchronizing is separate coil of supply transformer shunts J1 J2 and J3 are in position 1 In this case synchronizing is made by voltage of USL1 X5 3 USL2 X5 2 and USL3 X5 1 of the interface X5 When synchronizing is from the coil of operative supply converter control shunts J1 J2 and J3 are in position 2 In this case synchronizing is made by voltage of UPL1 X5 8 UPL2 X5 7 and UPL3 X5 6 of the interface X5 Connect power supply voltage to U X7 1 V X7 2 W X7 3 and operative voltage to URL1 X5 8 UPL2 X5 7 and UPL3 X5 6 If it is used additional coil for converter synchronizing the synchronizing voltage is switched to USL1 X5 3 USL2 X5 2 USL3 X5 1 of interface X5 Switch ON the converter power The control circuit checks if there are synchronizing voltages and power supply mains frequency If the synchronizing voltages are all right and mains frequency is in admissible range the LED RD indication lights in flashing mode with a period of time 1 s When there is not one or two synchronizing phases protection SPF activates and LED PF lights constantly When there are not all of the three synchro
58. fined by threshold given with parameter P05 12 value When adaptation variable changes from value of parameter P05 12 to value of parameter P05 13 regulator differential constant changes lineal from Dt1 to Dt2 Parameter P05 11 differential constant of speed regulator Dt2 Activating range of differential constant Dt2 is defined by threshold given with value of parameter P05 13 Parameter P05 12 threshold of variable for work of differential constant Dt1 Speed regulator works with differential constant Dt1 to chosen adaptation variable value defined by parameter P05 12 Differential constant changes lineal from Dt1 to Dt2 for chosen adaptation variable values more than parameter P05 12 value and less than value of parameter P05 13 Parameter P05 13 threshold of variable for work of differential constant Dt2 Speed regulator works with differential constant Dt2 to chosen adaptation variable values more than the value of parameter P05 13 6 4 6 Group 06 parameters of armature current regulator Parameter P06 01 regulator amplification gain of armature current Parameter P06 02 integral constant of armature current regulator Parameter P06 03 adjusting of phase L1 current amplitude Parameter P06 04 adjusting of phase L2 current amplitude Parameter P06 05 adjusting of phase L3 current amplitude Parameter P06 06 armature current offset It is used when there is uncompensated static load of the vertical axes
59. from P04 06 to P04 15 points 2 6 of the curve of the motor dynamic current limit Switch OFF the converter supply 8 3 Starting converter in proportional mode First starting converter with DC motor is made in proportional mode In this mode speed and armature current regulators are switched OFF and do not influence on converter work i e the DC motor may work at low speed without switching on or out of phase speed sensor tachogenerator or encoder Protection of break speed feedback in this mode is switched OFF too In converter proportional working mode is made Checking for in phase between the voltage of synchronizing coil and secondary power coil of the mains transformer for the last time Checking the tachogenerator status Adjustment and in phasing the circuit of speed feedback Checking work of converter power rectifier Checking thyristor works Connect the motor armature to converter and switch ON power supply of the converter Insert the password Choose converter proportional working mode when parameter P02 06 1 Change of the parameter P02 06 is not written in EEPROM and each time when the power supply of the converter is switched on value of the parameter P02 06 0 i e the converter works in integral mode Choose the source of reference of thyristor firing angle with parameter P02 09 P02 09 0 work with analog bipolar reference defined by value and sign of differential input Uref voltage
60. g sign Parameter P02 14 change the feedback sign with encoder Parameter P02 14 has two meanings e P02 14 0 save the existing sign e P02 14 1 invert the existing sign Parameter P02 15 the encoder resolution It defines the encoder pulse number per one revolution Parameter P02 16 rotating velocity of encoder when the DC motor speed is max and parameter P02 11 1 Max allowed converter input frequency for the pulses of each phase of the encoder is 220kHz Encoder with 1024 imp rev max rotating velocity is 12890 rev min Encoder with 2500imp rev max rotating speed is 5280 rev min Note It is important to know what the max output frequency of the encoder is For example encoder with max frequency 100 kHz and 2500 imp rev max speed is 2400min Parameter P02 17 waiting the relay output VRDY It inserts the time of appearance of ready output VRDY after control signal PRDY control signal switch on the power supply Note It is recommended time 500 ms in which the protection will establish At older FANUC systems and other similar it is recommended time 0 ms because they require a fast response and if any protection activates VRDY is switched off immediately In these cases the control signal for work ENBL is taken in 400 ms after the control signal PRDY to ensure time of protection checking ends 6 4 3 Group 03 protection parameters In converter are built in hardware and software protec
61. han 5 of the established value 52 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL Tek ol lew Acq Complete M Pos 50 00ms SAVE REC Tek JL Acq Complete M Pos 50 00ms SAVE REC File Format About About Saving Saving Images Images an Select l Select 49 Folder 1 Folder ge T Save 2 ree M00 Save TEKOO08 BMP TEKOO0S BMP CH1 50 0mw CH2 2 00V M 25 0ms CH1 J 1 02V CH1 500mw CH2 2 00V M 25 0ms CH1 J 1 02V Current Folder is A XNE W FOL S 23 Apr 08 03 55 lt 10Hz Acceleration Stopping Tek BUS Acq Complete M Pos 50 00ms SAVE REC Action About 2 Saving 5 Images Select Folder Save TEKOO10 BMP CH1 500m CH2 5 00v M 50 0ms CH1 Z 1 02V 23 Apr 06 03 57 lt 10Hz Reverse Figure 24 Speed and current curves when speed regulator is optimal adjusting When speed regulator is optimal adjusting the speed transient processes are without visual over regulating The transient speed process when it reverses has S form because of dynamic current limit according to speed working in armature current form For optimal work of speed regulator in different modes there is adaptive adjusting its parameters Parameters influence on the converter work as Parameters P05 02 and P05 03 amplification constant of speed regulator When parameters have high values the motor acceleration
62. istor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 9 Possible trouble shootings and remedy actions Situation Possible reason Method for testing and eliminating the problem 1 When we give operative supply protection FRF activates LED PF flicking with a period 0 3s Absence of synchronizing Check if the synchronizing source is chosen correctly by J1 J2 and J3 positions 2 When we give command PRDY protection HPF activates LED PF flicking with a period 1s Phase lost and or synchronizing and power out of phase Check if there is power and operative supply in phase quality of connections Check grounding 3 When we switch ON the device and give command PRDY fuses FU FV and FW blow Protection SOC or HOC activates Short circuit in two or more thyristors or short circuit in power block Break connections of power supply and motor armature By ohm meter check between terminals U2 V2 W2 to A2 after that to DI D2 to defining the damaged thyristor 4 After switching the device ON and ENBL signal is ON protection SOC or HOC activates It is possible fuses FU FV and FW have blown Short circuit in one thyristor or short circuit in power block Break connections of power supply and motor armature With ohmmeter check between terminals U2 V2 W2 to A2 after that to D1 D2 to determine the damaged thyristo
63. k Table 13 Status of LED indication of converter when there is an emergency mode Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 37 document version UGeSRV825 226 WSM O ELL 7 Installation and connecting of the converter 7 1 General technical requirement when it is installed Converters of 12XXX series as well as the commutating protective components which belong to the set of the electrical drive are installed in an electrical cabinet You should bear in mind the following instructions when you install the converter Mount the unit vertically The mounting is performed only by the mounting holes located in the upper and lower part of the box Leave at least 100mm free space for air circulation at the top and bottom of the converter Electrical connections must be in correspondence with the circuits of p 7 2 Minimum section of the connecting conductors has to correspond to given in table 14 Wires should be as short as possible Do not mount the signal conductors near the power conductors Connecting the tachogenerator to analog input Ubr and the source of the speed reference to differential analog input Uref of the converter must be done by means of a shielded cable as the shield of the cable must be connected in one end only Do not use the shield of the cable as acurrent carring core Use type and values of the protection elements given in
64. key UP parameter P01 13 is reset and starts new registering of breaks Value of parameter P01 13 is not written in power free memory If number of registered synchronizing breaks is more than value written in parameter P03 01 protection SPF activates Parameter P01 14 P03 06 max number of registered sequence breaks in power mains to its restoration Watching for breaks in power mains starts when the converter is ON The value of the parameter P01 14 is not written in power free memory By key UP the value is reset and starts a new registering of breaks If the registered break number is more than the value written in P03 05 protection HPF activates Parameter P01 15 work status of the power thyristors When we open this parameter on the terminal display there are two groups of 6 orders 0 zeros which correspond to thyristor number of groups from T1 to T12 from left to right When all thyristors work all orders in the group must be 0 Checking is made for both rotating directions If any of orders is 1 it means that corresponding thyristor does not work and must be repaired Parameter P01 16 current value of converter power supply voltage It shows the effective value of lineal power voltage in V Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 29 document version UGeSRV825 226 WSM O ELL Parameter P01 17 actual value of the encoder pulses number It displays the pu
65. lel KP27 KP26 KP25 KP24 KP23 KP22 KP21 KP35 u17 KP32 DGI nins mimm ele le c N zn N o n 38E s ede zittiiitiiiis uis 50 REL2 REL3 i _ ejejejejeje 0000o e pROHOHOH OH OHO ie KP13 9 7 9 AGI 93s e R28 R27 Ww E E A4 A3 A2 A1 J5 JG KPG Figure 20 Positions of the adjusting elements on the control board Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM O ELL 8 5 Starting the converter in integral mode After finishing upper checking switch OFF command ENBL Insert value in parameter P02 06 0 to move in speed control of converter mode integral mode Give command ENBL and motor rotates with speed defined by reference Uref For precise calibration of the speed feedback give speed reference 50 of Nmax and by trimmer RP5 reach the reference speed counted by revolution meter After finishing the adjustments and when there is a control device higher level CNC to converter the control interface is connected to converter Next check the converter in all wished machine working modes When it performs all requirements the machine is ready for work Switch OFF the supply voltage and cl
66. lses number from Zero s to zero s pulse The number of the registered pulses must correspond to the pulses in encoder name plate If number of registered pulses is less that means the encoder generates more than one zero pulse During the check the rotation direction must not be changed as in this case it is wrong 6 4 2 Group 02 converter parameters Parameter P02 01 version of converter software Parameter P02 02 password allowing changing parameter values When power is OFF the password is not active When we write value 11 in parameter P02 02 the converter accept the password and on the terminal display is appeared value 1 it is a message for accepting the password Parameter P02 03 When we write 1 in parameter P02 03 we restore values by default of all parameters Parameter P02 03 can be changed when the password is in and command ENBL is OFF Parameter P02 04 image of user s parameters When value 1 is set in parameter P02 04 an image of user s parameters is written in EEPROM Parameter P02 05 restore the user s parameters When 1 is set in parameter P02 05 the values of the user s parameters are restored Parameter P02 06 converter work mode Change of parameter P02 06 is not written in EPROM Parameter P02 06 accepts three values e P02 06 20 speed control mode integral mode In this mode the converter works in speed control mode by given speed defined by P02 09 In integral mode current and speed regul
67. m overheating When shunt J4 is out given in figure 9 contact temperature sensor is sequent connected to output OVL Place of shunt J4 on the processor plate is given on figure 20 For temperature lower than temperature of activating the contact of temperature sensor must be normally closed 16 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM Osu Interface X5 Connector DB15 M No Signal T Signal x Signal Ne Signal UPL3 _13 O Z5 TOH2 2 g A TOHI 11 n USLI 3 o 107 a USI2 2 9 O USI3 fils a a DB15 M 24V gt gt 24V C38 xl C10 C27 C28 1000uF 35V 1000uF 35V 1000uF 35V 1000UF 35V gt gt GND Figure 9 Principle scheme and pins of interface X5 for synchronizing and operative supply of converter control 5 4 Serial interface X6 Physical realization of serial interface is standard RS232C worked with 9600 bps Serial interface RS232C is used by specialized terminal to adjusting parameters For work with specialized terminal of the connector is lead system voltage 5 V X6 9 Serial interface RS422 and RS485 are options The serial interface X6 is connected with a 9 pins male connector The correspondence between the signals and the pins of the connector is given on figure 10 and in table 7 Series 12XXX WSM thyristor converters for control of DC motors for servo
68. n percentage to the DC motor nominal current Iaxyoy whose value is given in parameter P04 05 When the power rectifier current is more than Idrvi jy software current protection SOC activates converter stops working power contactor K1 switches OFF for converter 12060 WSM relay contact X7 8 and X7 9 opens and LED OC indication lights constantly After activating protection SOC converter is ready to work after a second command PRDY e Hardware protection HOC Hard Over Current Protection HOC is moment over current of converter power block max allowed current Hardware protection HOC protects converter when the power rectifier current is more than max allowed Idrvyi qw Max allowed current Idrvyiim is defined by limited current of converter power elements hardware protection HOC is factory made When the hardware protection HOC activates converter stops working power contactor K1 switches OFF for convertors type 12060 WSM relay contact X7 8 and X7 9 opens and LED OC indication flicks with a period 1s After activating protection HOC converter will be ready to work after a second command PRDY e Software protection STG Soft TachoGenerator fault Protection STG is from failing of feedback when the converter works with tachogenerator Parameter P03 12 allowed armature voltage when the protection STG break speed feedback is activated In the algorithm of protection STG is the comparison between tachogenerator voltage and DC motor armat
69. n limits frequency from 1 to 35 Hz and acceleration less than 4 9 m s Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 5 document version UGeSRV825 226 WSM O ELL 3 Technical features The converters of 12XXX series are arranged according to rated armature current and maximum voltage on the output of the converter Technical data are as shown on table 1 12 XXX XXX WSM C Motor type Maximal armature voltage Group of aramature current Converter type Structure of signification Converter type 12030 250 12030 250 12030 250 12060 250 12060 250 Rated Armature current A 26 28 28 42 44 Maximal armature current A 130 140 140 210 220 Motor type WSM2 85 08 112 15 112 25 134 38 134 52 Input power voltage V 220 190 220 270 270 Input Frequency Hz 45 65 Maximal armature voltage V 170 120 200 200 250 Power contactor and dynamic braking built in external Dynamic current limitation or programmable armature current Range of speed control 1 10 000 Speed feedback Tachogenerator or encoder Maximal voltage of tachogenerator V 120 Analogue input 10V 10kQ Digital inputs 2 inputs 24V 10mA Digital outputs 2 outputs relay type 100V4c 0 3A 24 Vpc 0 3A Serial interfaces Ro ESSE IUDA Ups RS 422 and RS 485 to 115 200 bps Working condition Long lasting S1 Deg
70. ndence between active digital inputs and corresponding order is given in table 9 LCD PRDY 1000000000 ENBL 0100000000 Table 9 Correspondence between status of the digital inputs and indication orders Parameter P01 07 reserved Parameter P01 08 status of digital outputs The status of digital outputs is given in binary code Correspondence between the active digital outputs and corresponding order is given in table 10 LCD VRDY 00010 OVL 00001 Table 10 Correspondence between the status of digital outputs and indication orders Parameter P01 09 reserved Parameter P01 10 current value of fluctuation of speed feedback voltage The fluctuations are defined in percentage of the quotient of maximum tachogenerator voltage value to its average value Ubr per a 1s For a right tachogenerator in a fixed mode the value of the parameter P01 10 must be less than 246 Parameter P01 11 current value of the power mains frequency defined in Hz Parameter P01 12 P03 04 maximum registered time of diversion between waiting and registered pulse of synchronizing during the converter work By key UP of the terminal reset displayed value and it starts new registering of the diversion Parameter P01 12 value is not written in power free memory Parameter P01 13 P03 02 maximum number registered sequence breaks in synchronizing to its restoration Keeping watching synchronizing breaks starts when the converter is ON By
71. nizing phases the protection FRF activates and the LED PF indication flicks with a period of time 0 3 s When any of the protections SPF or FRF activates switch OFF converter power and check for Positions of shunts J1 J2 and J3 Break of synchronizing voltage phase Suitable fuses F2 F3 and F4 placed on the control plate given on figure 20 After repairing the reason and switching on the converter power supply secondary if the checking is successful the LED indication RD activates in flicking mode When command PRDY is given the built in power contactor K1 switches ON type 12060 WSM relay contact X7 8 X7 9 closes and contactor K1 is external Converter makes check for presence and correspondence of power and synchronizing voltage When connecting is right and there is voltage of all phases contactor K1 or relay contact X7 8 X7 9 for type 12060 WSM stays in ON and LED RD indication switches ON lights constantly Relay output VRDY activates When there is not correspondence between power and synchronizing voltage or voltage of any phase absents protection HPF switches ON and power contactor K1 or relay contactor X7 8 X7 9 for type 12060 WSM switches OFF LED RD indication switches OFF and LED PF indication lights in flashing mode with a period 1s Switch OFF converter supply and check for Break or cross phases of synchronizing and power voltage Suitable fuses F2 F3 and F4 given in figure 20 S
72. nsformer with common three phase operative and synchronizing coil 42 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 12030 WSM X7 s s 7 s s TCI Figure 18 Connection converter 12030 WSM to power supply autotransformer with common coil for operative supply and synchronizing Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM 43 TC4 PRDY o ENBL 12030 WSM SF is 10k SR Le RUN TCI Figure 19 Connection converter 12XXX WSM when it is first started 44 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 8 Starting the converter It is made by some stages with helping these devices Voltmeter with range to 500V acmc class 1 5 Digital revolution meter Oscilloscope Switcher for switching ON command PRDY Switcher for switching ON command ENBL Switcher SF SR Switcher RUN STOP Variable resistor 10k Terminal for adjusting parameters 8 1 Checking power and synchronizing voltage To converter are connected power supply voltage U X7 1 V X7 2 and W X7 3 and operative supply voltage UPL1 X5 8 UPL2 X5 7 and UPL3 X5 6 according to schemes given on
73. or N 12 Pos SpeedBack Positive speed feedback Error N 19 ADC fault Trouble in analog digital conversion Error N 20 EEprom Fault Trouble when we work with power free memory Error N 26 OverVoltage Mot Over voltage max allowed armature voltage Table 12 List of errors displayed on specialized terminal Note Letters in bold response of protection sign in p 6 3 3 Correspondence between converter status and LED indication when there is any emergency mode is given in table 13 LED Description of emergency mode Constantly lighting LED Break or out of phase synchronizing and power voltage Wrong converter ground Overloaded motor and protection I t is ON Over current given in parameter P03 11 limited current Idrvypy of converter power block Wrong connecting short circuit or break of tachogenerator circuit Wrong chosen parameter P03 12 Trouble in analog digital converter Flashing with a period 1 s Break of power supply or voltage of any phase Overheat of converter power block when P03 09 1 Over current of max allowed current Idrvy jy of converter power block Wrong connection or break circuit of the encoder Trouble in power free memory Flashing with a period 0 3 s Power net frequency is out of allowed range Out of synchronizing Over speed of given with parameter P03 10 limit speed Num Protection of overvoltage of max allowed armature voltage Positive speed feedbac
74. ose the converter When the work is not good enough it must adjust current and speed regulators of the converter There is a possibility the motor to work in tick over including and by demounting from the machine For adjusting quality we may judge according to transient processes of current and motor speed e Adjusting the armature current regulator Switch ON the command ENBL Give a leap reference from zero 0 to 40 of max speed Nmax Watch form of armature current in control point KP20 Armature current should reach the rate of its max to fourth or fifth pulses without visual overshoot and their amplitude should not be higher than established max value After that give a leap reference to zero speed again and watch form of armature current curve Optimal form of armature current curve when the motor rotates rapidly and when it stops is given on figure 21 Remember that we watch the absolute value of armature current without a sign Tek val hen Acq Complete M Pos 10 20ms SAVE REC Tek JL Acq Complete M Pos 10 20ms SAVE REC Action File File Format Format BMP About About Saving i Savina Images Images Select Select 1 ANM Folder 1 AN NEN Folder Save Save TEKOOOO BMP TEKOO01 BMP CH1 500mV M 5 00ms CH1 Z 1 02V CH1 500mV M 5 00ms CH1 Z 1 02V Current Folder is A NE W_FOLY 23 Apr 08 09 47 10Hz Acceleration Stopping Figure 21 Form of motor current curve when it accelerates and stops when the adjusting of arma
75. parameters of main motor characteristics and limit parameters for protections are set in power free ROM memory by terminal helping During the work all parameters for motor and converter work can be displayed by terminal and together with LED indication which is placed at the top of the face panel you can see full status of the converter and motor When the power voltage is on and if there is not any mistake a message P01 Monitoring appears on the terminal display and it means the chosen group of parameters Choosing the parameters group or a parameter also changes the parameters value It is made by keys placed below the indication with sign ESC UP DOWN ENTER or signs ESC ff U lt Parameter or group of parameters number increases or decreases by UP and DOWN Entering chosen parameters group happens by pressing key ENTER first Parameter numbers increase or decrease by keys UP and DOWN Pushing key ENTER for second time enters in edit parameter mode and on the terminal display appears the value of the chosen parameter Changing the value is made at the same manner as the parameter number Chosen value of the parameter is written in the memory by pressing key ENTER To come back in mode of choosing a parameter number is made by pressing the key ESC one time second pressing the key ESC chooses parameters group mode In case when a parameter value is changed but the key ENTER is not pressed but key ESC is pressed changing is not set When
76. r 5 When both ENBL signal and speed reference are active the usual growling of the motor can be heard in transient process in one of direction of motor rotation There are missing pulses of armature current Start converter in proportional mode when P02 06 1 and with parameter P01 15 check which thyristor does not work Check circuit of its control and thyristor 6 When both ENBL signal and speed reference are active motor is loaded and speed fluctuates There is a shunt in motor armature In proportional mode motor starts rotating as stepped Switch OFF command ENBL and rotate motor shaft by hand If the resistance moment increases in definite zones it means that there is a shunt in motor armature 7 After starting the device protection STG activates at low motor speed LED TG lights constantly Wrong connection short circuit or break the circuit of tachogenerator Check connecting of the tachogenerator and its good working conditions Check parameter P03 12 8 After starting the device pro tection ENF activates at low speed LED TG flicking with a period 1s Wrong connection break or short circuit in encoder circuit Check connecting of the encoder and its good working conditions 9 After starting the motor protection PSB activates LED TG flashing with a period 0 3s Positive speed feedback Reverse the speed feedback sign by parameter P02 13 1 or
77. r max current given in parameter P04 05 it is recommended in parameter P03 11 to be inserted a new value equal to 125 of new max motor current 48 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL e Adjusting protection OLF of motor overloaded When converter works with limit max motor current under 500 and load with raising moment of inertia it is allowed raising the value of P03 08 than understanding one as it should not allowed motor overheated e Adjusting the protection OHF of power block overheated When the thyristor converter works with built in temperature sensor for example12060 WSM it needs protection to be activated with P03 09 1 e Adjusting protection SOS of over speed max speed When max speed is reached and there is over regulation protection activates it is allowed raising value of parameter to P03 11 110 e Adjusting the protection OVM of over voltage of the max armature voltage Protection OVM of maximum armature over voltage activates when real armature voltage is more than the value of parameter P03 17 When parameter P04 01 is inserted wrongly the protection activates when the speed is lower than the maximum one Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM 49 Q ELL KP28 lel lel
78. ree of protection IP20 Measurements HxWxL mm 350x131x176 5 405x156x176 5 Table 1 Technical data Notes _Tt refers to the power voltage feeding the power rectifier of the armature _ Serial interface RS 422 and RS 485 are options which are assembled on order by the client 6 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 4 Installation and dimensions The components of the converters of 12X XX WSM series are placed on a metal corpus The mounting holes are on the upper and lower part of the back side of the converter The power elements are installed on the radiator which is assembled on left side of the box The processor control board together with the interface terminals and indications are installed perpendicular to the front panel The dimensions and the locations of the interface and power terminals are given on figure 1 and figure 2 125 mm m mroooz Ooooooo o R Ti o o P 350 mm 333 mm DC SERVO MOTOR CONVERTER S N p vorace MENHHHHHHEHENN ELL MADE IN BULGARIA 176 5 mm Figure 1 Connecting and overall dimensions of converters type 12030 250 WSM Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825_226 WSM 405 mm 390 mm 8 DC SERVO MOTOR CONVERTER ENCODER X4 X3 VOLTA
79. rs of dynamic current limit characteristic is given in table 11 and in figure 14 1 Parameter P04 05 Ianom 500 Parameter P04 04 Nmax 96 50 Table 11 Example table defining parameters of the dynamic current limit characteristic Ia 9o IaMAX 1 P04 05 P04 07 P04 09 P04 11 f 1 P04 13 P04 15 f P04 04 P04 08 P04 12 P04 14 P04 06 P04 10 Figure 14 Graphic of dynamic current limit characteristic 6 4 5 ES Group 05 parameters of speed regulator Parameter P05 01 speed offset determined in discrete Parameter P05 02 amplification gain of the speed regulator Kp1 Action range of the amplification gain Kpl is defined by the threshold given with parameter P05 04 value When adaptation variable changes from parameter P05 04 value to parameter P05 05 value the amplification constant of speed regulator changes lineal to value Kp2 Parameter P05 03 amplification constant of speed regulator Kp2 Action range of amplification constant Kp2 is defined by threshold given with parameter P05 05 value Parameter P05 04 threshold of gain work Kp1 Speed regulator works with amplification gain Kp1 to value of chosen adaptation variable defined with parameter P05 04 Amplification constant of regulator is changed lineal from Kp1 to Kp2 for values more than parameter P05 04 value and less than parameter P05 05 value Parameter P05 05
80. rved P03 16 Working mode of protection OLF 0 1 P03 17 Armature voltage of activating the protection OVM 110 0 130 0 Uamax 115 0 Group 04 motor parameters min 2000 min 2000 04 04 Max speed Nm sr 250 0406 Nux 250 gt vu d U Az C N e lt e e i Max current value Iayay B T 1 P04 07 500 0 Ianom 500 0 04 06 Max speed Nm B T 2 P04 04 P04 08 Nmax 40 0 F E Max current value Iam B r 2 P04 09 P04 05 Ianom Max speed Nm B T 3 P04 06 P04 10 Max current value Iam B 7 3 P04 11 P04 07 Ianom 325 0 400 0 SER ERI Z eR Max current value Iam B r 4 P04 13 P04 09 Tanom 275 0 Max speed Nms n 1 5 N 225 0 100 0 200 0 Max speed Nm B 1 4 Nmax 75 0 04 13 Max current value Iam B T 5 P04 15 P04 11 Ianom Max motor speed Nmax B T 6 P04 12 100 0 Nmax 04 15 Max current value Iam B T 6 100 0 P04 13 Ianom Group 05 speed regulator parameters 05 01 Speed offset 1024 1024 discretes 05 02 Amplification gain of speed regulator Kp1 05 03 Amplification gain of speed regulator Kp2 62 Series 12XXX thyristor converters for control of DC motors for servo drives Parameters table document version UGeSRV825_226 WSM KLIK 4 Eg Range of Standard Ne Parameter name Unit New value changing value Work threshold of amplification gain Kp1 000 P0505 075 Work threshold of amplification gain Kp2 IP050
81. s They are fed directly by the power mains and provide precise four quadrants speed control of DC motors series WSM Germany A reconfiguration of the converter concerning control loops type of the used motor protections is performed by means of a specialized keypad terminal or PC personal computer via serial interface along with the use of system of parameters The converters of 12XXX series are designated for universal functioning and they can be used to replace old converters series TUD in each machine regarded as highly requirements to the electrical drive They also have specialized incorporated interface for the control of the feeding axis in CNC controlled machine tools and industrial robots 4 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 2 Operating instructions storage and transportation Thyristor converter series 4XXX can work can be storage and be transported in these conditions Indoor temperature from 5 C to 50 C Maximum relative humidity at 30 C less than 80 Equipment should not be stored above 1000 m above the sea level Environment There must be no aggressive liquids gases vapour and electric conductive dust or easily flammable and explosive materials in the room where the equipment is saved he equipment must not be exposed to direct solar radiation Installation vibratio
82. s 16 5 3 2 Converter synchronizing 5 3 3 Input for external temperature sensor TOH sirsiran ioiii etes iret i t ebore s dob ER aede berto tei ep Hia da ine debe 16 5 4 Serial interface OM sses siss 5 5 Power ilia eC D QU RR 5 5 1 Supply of power part of the converter 5 5 2 Supply of the DC motor armature sees sae 5 9 3 Supply of the power COntactOf 5 sss dana subs dos tte cente tenete een ease bade ds Ped unde essay Hosa ate ee eek ledere 5 6 Indication for converter Status csssssssssscsssssssesssssssssssessssssesscssesessessesssessssessessssessessssesscssesesessesesesseseseens 6 CONVERTER ADJUSTMENT wisscisssscesssssssscscssscsssssacessesooccascesssessonsssussosseneccessosassessonsscassesseesscesessnsessesssesesnssenessesdess 6 1 Work with specialized terminal or PC 6 2 Functional converter scheme ssesssssssessessssessessesessesssssssessssessessssessessesessessesessessssessessssessessesessessesesesseseseens 6 3 Conv rt r PATAMECLENG scscsicssvcsccssescessassececescesdectscessecsscessarseuseensceueddecdesssosesasicassesseuesensosdsctasenacctessdasseassesesassesdeusess 6 4 Describing the parameters RR 6 4 1 Group 01 parameters for watching variables essent nee netnene teen te nnne tnenne tren 6 4 2 Group 02 converter parameters 6 4 3 Group 03 protection parameters
83. supply they are registered in parameter P03 06 and when their number is more than value of parameter P03 05 converter is switched OFF and LED indication PF flicks with a period 1s Hardware protection FRF FRequency Fault Hardware protection FRF of power net frequency out of allowed limits Protection FRF is activated when power mains frequency is out of the limits from 42 to 68 Hz or there not any synchronization When any of the inner voltage 12 V of the controlling circuit faults the 32 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL synchronization does not work too When the protection FRF activates the LED PF indication flicks with a period 0 3s e Software protection OLF Over Load Fault Software protection OLF Pt is from DC motor durative overloaded Parameter P03 08 time in which protection OLF I t starts recognizing overloaded when the armature current value is more than motor nominal current Ianom When protection OLF Pt activates the converter stops working the power contactor K1 at converters 12060 WSM the relay output X7 8 and X7 9 opens switches OFF and LED OL indication lights constantly After activating the protection OLF Dt the converter is ready to work again only when the signal PRDY activates secondary It is recommended the value of parameter P03 08 is from 0 2 to 0 4 s Paramet
84. table 14 TC1 6 0 mm 10 0 mm TC2 2 5 mm 6 0 mm TC3 6 0 mm 10 0 mm TC4 0 5mm TC5 Screen 2 x 0 35mm TC6 Screen 3 x 3 2 x 0 35 mm TC7 1 mm QF1 automatically switchers C60ND C60ND Shneider Elektric Fuses F2 F3 u F4 Fuses FU FV u FW outer installation Table 14 Minimum section of the connecting conductors Types and values of the protection elements Notes 1 Tt is allowed using other devices with the same characteristics Current class of automatic switcher is defined from the power of the supply transformer and the number of the DC motors connected to it When two or more converters are supplied and synchronizing at the same operative supply coil of the transformer it is recommended summary section of the conductor from star centre of the coil to analog ground AGND X5 14 15 to be no less from 0 5 mm 38 Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions document version UGeSRV825 226 WSM O ELL 7 2 Converter connecting Converter connecting depends on its type type of the transformer chosen type of the synchronizing and control operative supply type of the speed feedback system type and etc On figure 15 is given example scheme of converters type 12030 WSM connecting when we use the autotransformer in electrical cabinet For operative supply and synchronizing is used a common coil
85. tions for the main controlled variables All protections with sign S are software and protections with sign H are hardware Software protection activating thresholds are adjusted by parameters according to the concrete use Thresholds of the hardware protection activating are factory made for converter protection and must not be changed If any protection activates the converter switches OFF the power rectifier and corresponding LED indication lights The converter is ready to work after repairing the part causes protection activating and secondary switching ON command PRDY or switching on the power mains Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 31 document version UGeSRV825 226 WSM O ELL is Software protection SPF Soft Phase Fault Software protection SPF is from converter synchronizing wrong work Parameter P03 01 allowed number registered breaks in synchronizing to activating protection SPF If the number of registered breaks in synchronizing is more than the value of parameter P03 01 protection SPF activates and converter stops working Power contactor K1 switches OFF for converter 12080 relay contact X7 9 and X7 10 opens and LED indication PF lights constantly Converter will be ready to work after protection SPF activating when command PRDY is activated secondary Parameter P03 02 P01 11 max number registered sequence breaks in synchronizing to its r
86. ts of the device are repaired by a person without needed qualification 4 Damages caused by neglected working as connecting to mains not as given in instructions are on account of user 5 All questions with working and repairing the device the user should call to the firm producer Equipment e Converter p e User s manual p Passport p Parameter table Ip 60 Series 12XXX thyristor converters for control of DC motors for servo drives Pasport document version UGeSRV825 226 WSM O ELL PARAMETERS TABLE CONVERTER TYPE OOE SERIES N amp 1 seiysess kgeskeuueselsss 1 HARDWARE ADJUSTMENT Power supply voltage 1 1 00 000 eee693 4 4444 Nominal armature current 00000000000 sss Maxtachogenerator voltage 00000 eseeseesI Digital inputs 0000000000000 ss II Digital outputs 000 0 0 0000000000000 seme III 2 SOFTWARE ADJUSTMENT PARAMETER VALUES No Parameter name Range of Unit Standard New value changing value Group 01 watching parameters urrent value of speed reference Yo Nmax urrent value of real speed Yo Nmax 600 0 600 0 P02 07 600 0600 0 P02 07 urrent value of armature voltage tatus of digital inputs eserved tatus of digital outputs Eoo o oe ud o Q E N Q urrent value of armature current reference A urrent value of real armature current Q n
87. ture current regulator is optimal Parameters P06 01 and P06 02 are used for adjusting the current regulator Parameters P06 01 and P06 02 influence on the work of the current regulator as Parameter P06 01 gain of current regulator Typical values of parameter P06 01 are from 0 10 to 0 50 When parameter P06 01 value is bigger the strong of the equipment increases but it may be self energetic When parameter P06 01 values are smaller time of reaching the fixed current increases Parameter P06 02 time constant of current regulator Typical values of parameter P06 02 are from 12 0ms to 40 0ms When parameter P06 02 has smaller values the reaction speed of current regulator increases but it may be self energetic When parameter P06 02 has high values time for reaching established current increases When parameter P06 01 has high values and parameter P06 02 has a low value there is high current over regulating during the transient process Armature current curve with over regulating when motor rotates rapidly and stops are given on figure 22 In this case it is possible protection SOC activates Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 51 document version UGeSRV825_226 WSM O ELL When parameter P06 01 has low value and parameter P06 02 has high value there is there is a long transient process to reach the established current Armature current curve when motor rotates
88. uitable fuses FU FV and FW given in figure 5 Switch ON converter power and check presence and correspondence of power and synchronizing voltage again Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 45 document version UGeSRV825 226 WSM O ELL Check lineal power supply voltage by parameter P01 15 Indications must be in the range from 130 to 250V If the converters 12XXX 250 WSM work with power voltage lower than 130V protection SPF will activate without any reason After finishing this check converter power is switched OFF Notes 1 Synchronizing coil voltage must be in phase with secondary coil of power supply voltage For this purpose should be observed requirements to the synchronizing coil given in p 5 3 2 and Appendix 2 2 If these requirements are not observed between these coil voltage will exist phase difference which in some cases can be 30 el They can not be registered by protection HPF which watches for out of phase 120 el i e for phase exchange 3 Finally check of in phase between the voltage of synchronization coil and power secondary coil is made in proportional mode as it is given in p 8 3 8 2 Primary converter adjusting 8 2 1 Choose max DC motor speed for concrete using When DC motor rotating max speed in a machine is slower than the DC motor speed it needs to adjust the DC motor max speed corresponding to the machine speed It is not allowed with
89. ure voltage If the tachogenerator voltage is lower than 596 of the voltage when the speed is max Nmax and armature voltage is higher than the value of parameter P03 12 for more than 20ms protection STG is activated and LED TG indication lights constantly When protection STG is Series 12XXX WSM thyristor converters for control of DC motors for servo drives Operation instructions 33 document version UGeSRV825 226 WSM O ELL activated converter stops working power contactor K1 switches OFF for converters 12060 WSM relay contact X7 8 and X7 9 opens After activating protection STG converter starts working after a second command PRDY Note Protection STG works only in integral mode e Hardware protection ENF ENcoder Fault Protection ENF failing speed feedback when converter works with an encoder When the encoder is connected wrong or break circuits of encoder protection ENF activates and LED TG indication flicks with a period 1s Protection ENF activates only if the converter works with encoder as a speed feedback when the parameter P02 11 1 Note Protection ENF works only in integral mode e Hardware protection PSB Positive Speed Back Protection PSB is from positive speed feedback When speed feedback is positive when tachogenerator or encoder is connected wrong protection PSB activates and LED TG indication flicks with a period 0 3s Note Protection PSB works only in integral mode e Hardware protection OVM Ov
90. you change the value of a parameter keeping keys UP and DOWN pressed for time when they change more than twenty discretes from a decimal order it starts changing the higher order Releasing the key cancels this mode Work is kept by terminal program for PC too e g TERM95 exe from the packet NORTON COMMANDER or standard terminal program of MS WINDOWS _ HYPERTERMINAL The serial interface COMI or COM2 of the computer adjusts to 9600bps 8 bits for data N without parity odd checking 1 stop bit emulation of the terminal ANSI It uses 4 keys which functions are the same as keys of portable terminal o ESCAPE u UP d DOWN e ENTER When we select a parameter on the first line appears not only its number but also a text which is given in the third column of table 8 its value is on the second line Changing the selected parameter value is made on upper manner When we work with terminal program for PC we have to work with lower case CapsLock is OFF If we work with capital letters the protocol used in manual terminal is switched numbers are in HEX format and text is not written Coming back to work with PC is by pressing any of indication upper keys with lower case Notes 1 If after pressing the key ENTER the new value of the parameter is not set check whether the parameter is available in this mode 2 If a parameter stops changing more than a value check if it depends on other parameter or it h

USER`S MANUAL - Ell-bg

Contents

Download Pdf Manuals

Related Search

Related Contents