Français dropdown-ico

Vector 6SE70 VC manuel d'utilisation

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

Aller à la page of

Les manuels d’utilisation similaires

Un bon manuel d’utilisation

Les règles imposent au revendeur l'obligation de fournir à l'acheteur, avec des marchandises, le manuel d’utilisation Vector 6SE70 VC. Le manque du manuel d’utilisation ou les informations incorrectes fournies au consommateur sont à la base d'une plainte pour non-conformité du dispositif avec le contrat. Conformément à la loi, l’inclusion du manuel d’utilisation sous une forme autre que le papier est autorisée, ce qui est souvent utilisé récemment, en incluant la forme graphique ou électronique du manuel Vector 6SE70 VC ou les vidéos d'instruction pour les utilisateurs. La condition est son caractère lisible et compréhensible.

Qu'est ce que le manuel d’utilisation?

Le mot vient du latin "Instructio", à savoir organiser. Ainsi, le manuel d’utilisation Vector 6SE70 VC décrit les étapes de la procédure. Le but du manuel d’utilisation est d’instruire, de faciliter le démarrage, l'utilisation de l'équipement ou l'exécution des actions spécifiques. Le manuel d’utilisation est une collection d'informations sur l'objet/service, une indice.

Malheureusement, peu d'utilisateurs prennent le temps de lire le manuel d’utilisation, et un bon manuel permet non seulement d’apprendre à connaître un certain nombre de fonctionnalités supplémentaires du dispositif acheté, mais aussi éviter la majorité des défaillances.

Donc, ce qui devrait contenir le manuel parfait?

Tout d'abord, le manuel d’utilisation Vector 6SE70 VC devrait contenir:
- informations sur les caractéristiques techniques du dispositif Vector 6SE70 VC
- nom du fabricant et année de fabrication Vector 6SE70 VC
- instructions d'utilisation, de réglage et d’entretien de l'équipement Vector 6SE70 VC
- signes de sécurité et attestations confirmant la conformité avec les normes pertinentes

Pourquoi nous ne lisons pas les manuels d’utilisation?

Habituellement, cela est dû au manque de temps et de certitude quant à la fonctionnalité spécifique de l'équipement acheté. Malheureusement, la connexion et le démarrage Vector 6SE70 VC ne suffisent pas. Le manuel d’utilisation contient un certain nombre de lignes directrices concernant les fonctionnalités spécifiques, la sécurité, les méthodes d'entretien (même les moyens qui doivent être utilisés), les défauts possibles Vector 6SE70 VC et les moyens de résoudre des problèmes communs lors de l'utilisation. Enfin, le manuel contient les coordonnées du service Vector en l'absence de l'efficacité des solutions proposées. Actuellement, les manuels d’utilisation sous la forme d'animations intéressantes et de vidéos pédagogiques qui sont meilleurs que la brochure, sont très populaires. Ce type de manuel permet à l'utilisateur de voir toute la vidéo d'instruction sans sauter les spécifications et les descriptions techniques compliquées Vector 6SE70 VC, comme c’est le cas pour la version papier.

Pourquoi lire le manuel d’utilisation?

Tout d'abord, il contient la réponse sur la structure, les possibilités du dispositif Vector 6SE70 VC, l'utilisation de divers accessoires et une gamme d'informations pour profiter pleinement de toutes les fonctionnalités et commodités.

Après un achat réussi de l’équipement/dispositif, prenez un moment pour vous familiariser avec toutes les parties du manuel d'utilisation Vector 6SE70 VC. À l'heure actuelle, ils sont soigneusement préparés et traduits pour qu'ils soient non seulement compréhensibles pour les utilisateurs, mais pour qu’ils remplissent leur fonction de base de l'information et d’aide.

Table des matières du manuel d’utilisation

  • Page 1

    DROM-02069 Quick Startup Gu ide for SIMOVERT MASTERDRIVES 6SE70 VC Vector Control Section 1: Parameterization of Base Dri ve Section 2: Parameterization of Rectifier Section 3: Simovis Trace Setu p Method Section 4: When Shoul d a Dri ve be re-Tune d[...]

  • Page 2

    Page 2 Versio n 1.0 March 1, 2000 We reserv e the right to modify functions, technical data, standards, dr awings and parameters. We have che cked the content s of this document to ensure th at they coincide with the described hard ware and software. However, dev iations cannot be completely ruled-out, so we cannot guarantee complete conformance. H[...]

  • Page 3

    Version 1.0 March 1, 2000 Page 3 Note: This Quick Startup Guide is not an autonomous document, but is intended to direct users to the section in the Operating Instructio ns which are important for start -up. Thus, these brief instructions can only be completel y valid when used in conjunction with the Operating Instructions. It is especially import[...]

  • Page 4

    Page 4 Versio n 1.0 March 1, 2000[...]

  • Page 5

    Version 1.0 March 1, 2000 Page 5 Section 1: Parameterization of Base Unit SIMOVERT MASTERDRIVES 6SE70 VC Vector Control 1.1 Power Section Defintion 1.2 Factory Reset 1.3 Basic Start-up 1.3.1 Volts/Hz w ithout encoder feedback 1.3.2 Volts/Hz with encod er feedback 1.3.3 Vector Control without enc oder feedb ack 1.3.4 Vector Control with encod er fee[...]

  • Page 6

    Page 6 Versio n 1.0 March 1, 2000[...]

  • Page 7

    Version 1.0 March 1, 2000 Page 7 1.1 Power Section Definition Note: Pow er Section is pre -defined at the factory . Powe r Section Definition is required if a new board CUVC board is put in to the drive or boards are switched between uni ts with d ifferent ratings. Driv e should be defaulted and re-parame terized after Pow er Sectio n Definition. P[...]

  • Page 8

    Page 8 Versio n 1.0 March 1, 2000 Unit List P070: Parameter Value (P WE) P072: Rated Output Current in Amp s In[A] Frequency Conv erter AC-AC type 3 AC 200V to 230V PWE Order Number In[A ] *1 14 6SE7021-1CA60 10.6 21 6SE7021-3CA60 13.3 27 6SE7021-8CB60 17.7 32 6SE7022-3CB60 22.9 39 6SE7023-2CB60 32.2 48 6SE7024-4CC60 44.2 54 6SE7025-4CD60 54.0 64 6[...]

  • Page 9

    Version 1.0 March 1, 2000 Page 9 Frequency Conv erter AC-AC type 3 AC 380V to 460V PWE A ir Cool ed PWE Water Cooled Order Number In[A ] *1 3 6SE7016-1EA61 6.1 9 6SE7018-0EA61 8.0 11 6SE7021-0EA61 10.2 18 6SE7021-3EB61 13.2 25 6SE7021-8EB61 17.5 35 6SE7022-6EC61 25.5 42 6SE7023-4EC61 34.0 46 6SE7023-8ED61 37.5 52 6SE7024-7ED61 47.0 56 6SE7026-0ED61[...]

  • Page 10

    Page 10 Versio n 1.0 March 1, 2000 Frequency Inv erter DC-AC type DC 510V to 650V PWE A ir Cool ed PWE Water Cooled Order Number In [A ] *1 4 6SE7016-1TA61 6.1 10 6SE7018-0TA61 8.0 12 6SE7021-0TA61 10.2 19 6SE7021-3TB61 13.2 26 6SE7021-8TB61 17.5 36 6SE7022-6TC61 25.5 43 6SE7023-4TC61 34.0 47 6SE7023-8TD61 37.5 53 6SE7024-7TD61 47.0 57 6SE7026-0TD6[...]

  • Page 11

    Version 1.0 March 1, 2000 Page 11 Frequency Conv erter AC-AC type 3 AC 500V to 575V PWE A ir Cool ed PWE Water Cooled Order Number In[A ] *1 1 6SE7014-5FB61 4.5 5 6SE7016-2FB61 6.2 7 6SE7017-8FB61 7.8 16 6SE7021-1FB61 11.0 23 6SE7021-5FB61 15.1 30 6SE7022-2FC61 22.0 37 6SE7023-0FD61 29.0 44 6SE7023-4FD61 34.0 50 6SE7024-7FD61 46.5 60 6SE7026-1FE60 [...]

  • Page 12

    Page 12 Versio n 1.0 March 1, 2000 Frequency Inv erter DC-AC type DC 675V to 810V PWE A ir Cool ed PWE Water Cooled Order Number In [A ] *1 2 6SE7014-5UB61 4.5 6 6SE7016-2UB61 6.2 8 6SE7017-8UB61 7.8 17 6SE7021-1UB61 11.0 24 6SE7021-5UB61 15.1 31 6SE7022-2UC61 22.0 38 6SE7023-0UD61 29.0 45 6SE7023-4UD61 34.0 51 6SE7024-7UD61 46.5 61 6SE7026-1UE60 6[...]

  • Page 13

    Version 1.0 March 1, 2000 Page 13 Frequency Inv erter DC-AC type DC 675V to 810V PWE A ir Cool ed PWE Water Cooled Order Number In [A ] *1 161 6SE7043-3UR60 3270.0 165 6SE7044-1UR60 4090.0 169 6SE7044-8UR60 4900.0 173 6SE7045-7UR60 5720.0 177 6SE7046-5UR60 6540.0 179 245 6SE7036-5UR60 4940.0 182 248 6SE7038-6US60 6540.0 186 251 6SE7041-1US60 6160.0[...]

  • Page 14

    Page 14 Versio n 1.0 March 1, 2000 DC 890V to 930V PWE A ir Cool ed PWE Water Cooled Order Number In[A ] *1 77 6SE7031-0WG60 97.0 81 6SE7031-2WF60 118.0 89 6SE7031-5WF60 145.0 97 6SE7031-7WG60 171.0 107 6SE7032-1WG60 208.0 111 201 6SE7033-0WJ60 297.0 115 203 6SE7033-5WJ60 354.0 119 205 6SE7034-5WJ60 452.0 122 208 6SE7035-7WK60 570.0 125 211 6SE7036[...]

  • Page 15

    Version 1.0 March 1, 2000 Page 15 1.2 Factory Reset P053 = 6 P060 = 2 P366 = 0 P970 = 0 6: Paramete r Changes permitte d via PMU and Seria l Interfa ce (OP1 and PC) 2: Menu Sele ct = Fix ed Settings Select Factory Setting 0: Standard Start Pa rameter Reset 0: Paramete r Reset 1: No Parameter Change[...]

  • Page 16

    Page 16 Versio n 1.0 March 1, 2000[...]

  • Page 17

    Version 1.0 March 1, 2000 Page 17 1.3 Basic Start-up without Motor C onnected to Load 1.3.1 Volts/Hz w ithout Encoder P060 = 5 P071 = ? P095 = ? P097 = ? P101 = 460 P102 = xxx P104 = ? P105 = ? P060=5 Select “Driv e Setti ngs” P071 = Inp ut Line Voltage AC-AC Converter=460Vol t DC-AC Inverter = 620Volt P095 = Sele ct Motor Type 2: Asy nchronous[...]

  • Page 18

    Page 18 Versio n 1.0 March 1, 2000 P106 = ? P107 = 60 P108 = xxxx P115 = 1 P340 = 3 P383 = xxxx P452 = 100 P106 = NEMA Mo tor Nameplated efficien cy (if un known se t =0.8) P107 = Rated Motor Frequency P108 = Nameplated Rotor RPM P115 = 1 “Automatic Parameteri zation” P340 = Carrier Frequency Low # = Cooler Motor and Driv e High # = Low er Moto[...]

  • Page 19

    Version 1.0 March 1, 2000 Page 19 P453 = -100 P060 = 1 P128 = xxxx P462 = xxxx P464 = xxxx P443i2= 11 P453 = Max imum Reverse Speed in Percentage (usually -100%) P060 = Return to Paramete r Menu P128 = Max imum Motor Current Options: P128 = P102 P128=1.1*P102 P128=1.5*P102 P462 = Accele ration Time in second s P464 = Decele ration Time in second s [...]

  • Page 20

    Page 20 Versio n 1.0 March 1, 2000 Connect External Wiring as connection diagram . Step 1: Dry set of contacts be tween terminal s X101, p in#1 and pin#5 for Local/Remote Mode Selecti on. Jumper i f not required. Step 2: Dry set of contacts be tween terminal s X101, p in#1 and pin#8 for Coast to Stop Selecti on. Jumper if no t required . Step 3: Dr[...]

  • Page 21

    Version 1.0 March 1, 2000 Page 21 Speed value i s determined by P402. A se lection of P40 2=100% w ill be a full speed reference setpoin t. Step 6: Fault Sta tus is prov ided by a 24 Vdc signal at terminal s X101 pin#3 with r espec t to pin#2 . Leav e open if no t required . Step 7: Driv e Operating S tatus is prov ided by a 24 Vd c signal at termi[...]

  • Page 22

    Page 22 Versio n 1.0 March 1, 2000 1.3.2 Volts/Hz w ith Encoder Note: Com plete section 1.3.1 b efore op erating th e mot or wi th encoder fee dback. P060 = 5 P100 = 0 P130 = ? P151 = ? P060 = 1 P060=5 Select “Driv e Setti ngs” P100=0 Selects Volts/ Hz with Encode r Feedback P130 = Sele ct Type of Encoder 11: Pulse Encoder 15: Pulse Encod er w [...]

  • Page 23

    Version 1.0 March 1, 2000 Page 23 Additional Conn ection for +15 Vdc E ncoder. Step 10: Set Spe ed Referen ce to 20% . Step 11: Prov ide Start command. No te tha t if Signal A and Signal B are reversed, the motor w ill accele rate rapid ly. Step 12: Conne ct the motor to the load, unl ess the plan is to change to Vector Control. Standard Commission[...]

  • Page 24

    Page 24 Versio n 1.0 March 1, 2000 1.3.3 Vector Control without Encoder Feedback Note: Com plete section 1.3.1 ( Volts/Hz contr ol wi thout encod er feedback) . P060 = 5 P100 = 3 P060 = 1 P115 = 4 Wait P060=5 Select “Driv e Setti ngs” P100=3 Selects Vector Control without En coder Feedback P060 = Return to Paramete r Menu If you plan to use an [...]

  • Page 25

    Version 1.0 March 1, 2000 Page 25 P115=5 Wait P115=5 Contr oller Optimiza tion Alarm messag e “A080” w ill appear, and a start command must be issued within 20 second s to perform the test, otherwise P 115 will un set. This te st is best performed on a coupled motor u nder actual condi tions; howev er, if the load is cy clic (0-100% load variat[...]

  • Page 26

    Page 26 Versio n 1.0 March 1, 2000 1.3.4 Ve ctor Control with En coder Feedba ck Note: Complete section 1.3. 1 (Volts/Hz control w ithout e ncoder feedb ack), and section 1.3 .3 (Vector co ntrol w ithout enc oder fee dback) Step 10: Op erat e the unco upled motor if sectio ns 1.3.1 and 1.3. 3 are co mplete a nd veri fy operation of the m otor wi th[...]

  • Page 27

    Version 1.0 March 1, 2000 Page 27 Wait P115=5 Wait This test w ill adjust the following parameters P103, P120 Wait for di splay to change back to o 009. P115=5 Contr oller Optimiza tion Alarm messag e “A080” w ill appear, and a start command must be issued within 20 second s to perform the test, otherwise P 115 will un set. This test is be st p[...]

  • Page 28

    Page 28 Versio n 1.0 March 1, 2000[...]

  • Page 29

    Version 1.0 March 1, 2000 Page 29 1.4 Drive Control Word Function Diagra m s will be refe rred to in brackets with their num ber. Please refer to function di agrams i n the co mpendiu m. Ex ample [Di agram N umber] Assign Digital Inputs Assign Off2(Coast Stop) Assign Off3(Quick Stop) Assign ON/OFF1 [180] Assign Other Functionalit y as Required See [...]

  • Page 30

    Page 30 Versio n 1.0 March 1, 2000[...]

  • Page 31

    Version 1.0 March 1, 2000 Page 31 1.5 Communication Bo ard Co nfiguration P060 = 4 CBx Inserted? P711 = ? to P721.1…5 = ? SLB Inserted? P740 = ? P741 = ? P742 = ? P743 = 0 P745 = ? P746 = ? P749.1…8 = ? CBP Inserted? P918.1…2 = ? P060 = 1 Select “Board Config uration” Menu Parameterize CBx Boards See Function Diagram s Simolink Address 0:[...]

  • Page 32

    Page 32 Versio n 1.0 March 1, 2000[...]

  • Page 33

    Version 1.0 March 1, 2000 Page 33 Section 2: Parameterization of a Rectifer Unit SIMOVERT MASTERDRIVES 6SE70 VC Vector Control 2.0 Power Section Defintion 2.1 Factory Reset Basic Start-up 2.2 Rectifier or Regen without auto-transformer 2.3 Regen w ith auto-transform er[...]

  • Page 34

    Page 34 Versio n 1.0 March 1, 2000[...]

  • Page 35

    Version 1.0 March 1, 2000 Page 35 2.0 Power Section Definition Note: Pow er Section is pre -defined at the factory . Powe r Section Definition is required i f a new board CUR board is p ut into the driv e or boards are sw itched between units with different ratings. CUR cards will exist Regen Rectifiers and Larg e Common Rectifie rs. The smalle r C[...]

  • Page 36

    Page 36 Versio n 1.0 March 1, 2000 Unit List P070: Parameter Value (P WE) P075: Rated DC Output Curren t in Amp s In[A] Large Common Rectifier AC-DC type 3 AC 380V to 460V PWE Order Number In[A 103 6SE7038-2EH85-0AA0 821.0 105 6SE7041-0EH85-0AA0 1023.0 109 6SE7041-3EK85-0AA0 1333.0 118 6SE7041-8EK85-0AA0 1780.0 3 AC 500V to 575V 101 6SE7037-7FH85-0[...]

  • Page 37

    Version 1.0 March 1, 2000 Page 37 Regenerative Rectifier AC-DC type 3 AC 380V to 460V PWE Air Cool PWE Water Cool Order Number In[A ] 14 6SE7022-1EC85-1AA0 21.0 20 6SE7024-1EC85-1AA0 41.0 31 6SE7028-6EC85-1AA0 86.0 39 6SE7031-7EE85-1AA0 173.0 42 6SE7032-2EE85-1AA0 222.0 48 6SE7033-1EE85-1AA0 310.0 51 6SE7033-8EE85-1AA0 375.0 54 6SE7034-6EE85-1AA0 4[...]

  • Page 38

    Page 38 Versio n 1.0 March 1, 2000 Regenerative Rectifier AC-DC type 3 AC 660V to 690V PWE Air Cool PWE Water Cool Order Number In[A ] 36 6SE7031-4HE85-1AA0 140.0 43 6SE7032-2HE85-1AA0 222.0 47 6SE7032-7HE85-1AA0 270.0 53 6SE7034-2HE85-1AA0 420.0 56 6SE7035-3HE85-1AA0 536.0 62 6SE7037-7HH85-1AA0 774.0 68 6SE7041-0HH85-1AA0 1023.0 72 6SE7041-3HK85-1[...]

  • Page 39

    Version 1.0 March 1, 2000 Page 39 2.1 Factory Reset P051 = 3 P052 = 2 P077 = 0 P052 = 0 P052 = 1 P51=3 : Ex port Mode P52=2: Function select “Ini tialization” P077=0 for standard defaul t P052=0 Return to Parameter Menu P052=1 Perform Factory Rese t[...]

  • Page 40

    Page 40 Versio n 1.0 March 1, 2000[...]

  • Page 41

    Version 1.0 March 1, 2000 Page 41 2.2 Basic Start-up (Regenerative Rectifier without Autotransformer) P051 = 2 P053 = 6 P052 = 5 P071 = 460 P320 = 20 P773 = 1.00 P051=2 Select “Basic Mode Setting s” P053 =6 A ccess Pa rameter P052 = 5 Drive Setting s P071 = Inp ut Rectifier Voltage Generally = 460 Volt P320 = 20 Smooth Load Amps, to prevent inp[...]

  • Page 42

    Page 42 Versio n 1.0 March 1, 2000 P052 = 21 P052 = 0 With DC BUS connected to the COMM ON DC BU S of the sy stem, set P52=21 and prov ide a start command at terminal X101, pin #9 The circui t iden tifica tion te st will take about 10 second s. P052=0 Drive back to ready mode. Standard Commissioning for a Common Rectifier or a Regenerative Rectifie[...]

  • Page 43

    Version 1.0 March 1, 2000 Page 43 Connect External Wiring as connection diagram . Step 1: Dry set of contacts be tween terminal s X101, p in#6 and pin#13 for Local/Remo te Mode Sele ction. Jumper if not requ ired. Step 2: Dry set of contacts be tween terminal s X101, p in#6 and pin#10 for Coast to Stop Selection. Jumper if no t require d. Step 3: D[...]

  • Page 44

    Page 44 Versio n 1.0 March 1, 2000[...]

  • Page 45

    Version 1.0 March 1, 2000 Page 45 2.3 Basic Start-up (Regenerative Rectifier with Autotransformer) P051 = 2 P053 = 6 P052 = 5 P071 = 460 P320 = 20 P773 = 1.00 P051=2 Select “Basic Mode Setting s” P053 =6 A ccess Pa rameter P052 = 5 Drive Setting s P071 = Inp ut Rectifier Voltage Generally = 460 Volt P320 = 20 Smooth Load Amps, to prevent inpu t[...]

  • Page 46

    Page 46 Versio n 1.0 March 1, 2000 P571 = 0 P318 = 95 P052 = 21 P052 = 0 P571=0 Selects Au totransformer P318 = 95% Selects percentage of nomin al DC BUS voltage. In cases w here the input line v oltage is dependable a setting o f 100% i s permissible. With DC BUS connected to the COMM ON DC BU S of the sy stem, set P52=21 and prov ide a start comm[...]

  • Page 47

    Version 1.0 March 1, 2000 Page 47 Section 3: Simovis Trace Setup Method SIMOVERT MASTERDRIVES 6SE70 VC Vector Control[...]

  • Page 48

    Page 48 Versio n 1.0 March 1, 2000[...]

  • Page 49

    Version 1.0 March 1, 2000 Page 49 3.0 Simovis Trace Load Simovis from Vector Control Documentation CD Launch Simovis from Desktop Icon Add a Drive in Simovis Bus Configuration Select USS Bus Address, Drive and SW Version. N ote: Proper S imovis Ca ble must be us ed. ( RS 232 ) A B B A Option : To sp eed up your communicatio n link set th e drive P [...]

  • Page 50

    Page 50 Versio n 1.0 March 1, 2000 Select Tr ace from Diagnostics Menu Bar Verify Drive Connection Green Box should be li t up in the l ower left c o rner Double Click Selected Drive to start Sim ovis Window A A B B[...]

  • Page 51

    Version 1.0 March 1, 2000 Page 51 A D C B Select Record Se ttings in the Lower Left Corner Select Desired Channels to Record Set the Record In terval and Pre-trigger Select Trigger Channel To Trigger W ith a Binector, Select: Trigge r Channel = K431 Trigger C ondition “ =” “1 Hex” K431 is the out put of a Binect or to Connect or Converter t[...]

  • Page 52

    Page 52 Versio n 1.0 March 1, 2000 B A C D Select “Function Block Grafics” from the Parameter Menu Bar Select Function N umber 289 Zoom X 2 (with right Mo use click) Set Trigger B inector in U076.01 (i.e. U 076.01 = 18 Din5) Activate B lock U952.89 = 4 A C B D K431 ca n now be used to trigger th e Trace function when Bi nector (i .e. DIN 5) is [...]

  • Page 53

    Version 1.0 March 1, 2000 Page 53 Go to the Trace Window (Diagnost ics Menu – Trace) Verify Record Settings Start Trace Trigger Tr ace Observe S t atus Me ssage A D C B A C D B[...]

  • Page 54

    Page 54 Versio n 1.0 March 1, 2000 A B C Select Dat a Trace A Click Da ta Set to make it A ctive Scale Vertical Axis B Click a nd Drag scale to s hift it up and down. Y ▲ & Y ▼ to ch ange Scal e Scale Horizontal Axis C Click a nd dra g “T ” marker to sh ift Hori zon tal Sc ale . Move “[ ]” to ch ange sc ale N ote: Background can be [...]

  • Page 55

    Version 1.0 March 1, 2000 Page 55 Section 4: When to Re-Tune the Drive SIMOVERT MASTERDRIVES 6SE70 VC Vector Control[...]

  • Page 56

    Page 56 Versio n 1.0 March 1, 2000[...]

  • Page 57

    Version 1.0 March 1, 2000 Page 57 4.0 Conditions that would merit re-tuning the d rive Hardware addition s made to the drive, su ch as an output rea c tor or a dv/dt fil t er. Physical change s to the process, such as the motor b eing changed (even if the it is an identi cal motor, b earing changes a nd coupling changes can have an influ ence on pe[...]