Manuale d’uso / di manutenzione del prodotto A1 del fabbricante Siemens
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MICROMASTER User Documentation A pplications Handbook Issue A 1.
ii MICROMASTER Applications Handbook Further inform ation is available on the Internet under: http: //www .siemens.d e/mi croma ster Approved Siemens Qualit y for Software and Training is to DIN ISO 9001, Reg. No. 2160-01 The reproduction, t ransmission or use of this document, or its contents is not permitted unl ess authorized in writing.
MICROMASTER Applications Handbook iii Valid for A1 Rele ase Inverter T ype Control V ersion MICROMAST ER MM4 Issue: A1 MICROMASTER A pplications Handbook User Documentation Introduction 1 Siemens Dr i.
iv MICROMASTER Applications Handbook.
Internatio nal E nglish Contents MICROMASTER Applications Handbook v Table of Contents 1 Introduction ............................................................................................................... 1 1.1 W hat is a Variable Speed Drive? .
Contents Interna tional Englis h vi MICROMA STER A pplications Handbook 6 Elect romagnetic Compatibility (EM C) ..................................................................... 29 6.1 W hat is EMC? ................................................
Internatio nal E nglish Contents MICROMASTER Applications Handbook vii List of Figures Figure 1-1 Induction M otor. Simplified Cross Section ............................................. 1 Figure 1-2 Torque Spee d Characterist ics of an Indu ction Motor .
Contents Interna tional Englis h viii MICROMASTER Applications Handbook Figure 7-1 Fan Application ....................................................................................... 35 Figure 7-2 Extractor Syste m using Close d Loop Flow Control .
Internatio nal E nglish Introduct ion MICROMASTER Applications Handbook 1 1 Introducti on This manual is intended to help us ers of variable s peed dr ives suc cessf ully insta ll and utilize Siem ens Standa rd Drives. It includ es an intro duction t o drives, which m ay be inf ormative to f irst tim e users .
Introduct ion Interna tional Englis h 2 MICROMASTER Applications Handbook This field cross es the air ga p betwee n the stator and ro tor and caus es curr ents to flow in the r otor windings . T his produces a f orce on the rotor as the cur rent interacts with the c hangin g m agnetic field, and the r otor turns .
Internatio nal E nglish Introduct ion MICROMASTER Applications Handbook 3 Torque Flux, Voltage Speed ( X 50/60) Torque Capability 0 0.5 1.0 1.2 1.5 Figure 1-3 Torque Reduction abov e Base Speed Theref ore in order t o contro l the spee d of a sta ndard A C motor , the applied frequenc y and vo ltage m ust be co ntrolled.
Introduct ion Interna tional Englis h 4 MICROMASTER Applications Handbook The s upply, which c an be s ingle phase ( usual ly at low power) or three-p hase is fed to a full wave rec tifier which s upplies t he DC link capacitor s.
Internatio nal E nglish Introduct ion MICROMASTER Applications Handbook 5 · The PW M output vo ltage c ontains m any high f requenc y harmonic s (becaus e of the fast s witching) and ca n be a m ajor sour ce of EMI.
Introduct ion Interna tional Englis h 6 MICROMASTER Applications Handbook.
Internatio nal E nglish Product Range MICROMASTER Applications Handbook 7 2 Siemens Dri ves Product Range The c urrent product r ange consists of severa l dif ferent produc t types: The MICROM ASTER Vector (MM440). A VSD hi gh perf ormance inv erter for general pur pose applic ations available in var ious volta ge ranges.
Product Ran ge Internatio nal Eng lish 8 MICROMASTER Applications Handbook.
Internat ional E nglish Selectin g a Dr ive MICROMASTER Applications Handbook 9 3 Selecting a Dri v e Often dr ive selec tion is s traight forward , as a m otor is alread y instal led and the speed ra nge requir ement is not ex cessive.
Selectin g a Dr ive Interna tiona l Eng lish 10 MICROMASTER Applications Handbook Supplies at the en d of long power li nes in rem ote area s can ris e excess ively in t he evening and week ends when large lo ads are no longe r present. Industries with loc ally contr olled and generate d suppl ies can ha ve po or regulat ion and contr ol.
Internat ional E nglish Selectin g a Dr ive MICROMASTER Applications Handbook 11 3.2.3 Ungrounded Supplie s Certain i ndustrial instal lations oper ate with s upplies that ar e isol ated fr om the protective earth ( IT suppl y). This permits equipment to continue to run f ollowing a n earth faul t.
Selectin g a Dr ive Interna tiona l Eng lish 12 MICROMASTER Applications Handbook Figure 3-3 Typical H armonic currents i n 230 V single an d three-phase sup plies, (750 W Inver ter). In order to calcula te the h arm onics in a particul ar suppl y system it is ess ential t hat the suppl y im pedance is k nown.
Internat ional E nglish Selectin g a Dr ive MICROMASTER Applications Handbook 13 Torque Speed ( X 50/60) 0 0.5 1.0 1.2 1.5 Possible limited operation due to motor cooling Short term overload capabilit.
Selectin g a Dr ive Interna tiona l Eng lish 14 MICROMASTER Applications Handbook Figure 3-5 Torque/Speed Characteristi cs 3.4.1 Variabl e Torque A pplications Some loads have a Varia ble T orque character istic. T hat is, t he torque increas es with the sp eed.
Internat ional E nglish Selectin g a Dr ive MICROMASTER Applications Handbook 15 3.4.2 Other Loads. Many other loads have non -linear or var ying torque r elatio nships . The torqu e requirem ent of the load sh ould be unders tood bef ore the inver ter an d motor is sele cted.
Selectin g a Dr ive Interna tiona l Eng lish 16 MICROMASTER Applications Handbook 3.6 Environment al Considerations The inv erter is d esigned f or operat ion in a n industri al env ironment.
Internatio nal Eng lish Getting S tarted MICROMASTER Applications Handbook 17 4 Getting St arted w ith an Inverter 4.1 Mounti ng the Inverter Mount the i nverter us ing th e mounting holes pr ovide d as desc ribed in th e Operating I nstructio ns. En sure the cor rect tor que ratings for the f ixing bolts are not exceeded .
Getting S tarted Internatio nal Eng lish 18 MICROMASTER Applications Handbook If the supp ly is con nected t o the m otor/output terminal s, the in verter will be damaged.
Internatio nal Eng lish Getting S tarted MICROMASTER Applications Handbook 19 4.3.1 A Typical Installation M ISOLATOR EMERGENCY STOP CONTACTOR FUSE INVERTER Control Connections Supply Figure 4-5 Typical Installati on Supply The s upply ma y be either s ingle or thr ee phas e, depen ding on the inverter type.
Getting S tarted Internatio nal Eng lish 20 MICROMASTER Applications Handbook 4.4 First Switch On The Getting Started G uide or Operat ing Instr uctions th at are su pplied with the inverter will giv e detail ed ins tructions on how to st art and s et up t he invert er.
Internat ional E nglish Simple A pplicat ions MICROMASTER Applications Handbook 21 5 A p plications and Possibilities Most inv erters used in in dustr y are control led via t he control term inals, not t he front panel.
Simple A pplicat ions Interna tional E nglis h 22 MICROMASTER Applications Handbook 7 6 5 8 MICROMASTER DIN 1 +24 V Output DIN 2 DIN 3 Digital Inputs Figure 5-2 Using all the Digital I nputs 5.3 Selecting and Using the Fixed Freq uencies The digi tal inputs c an be us ed to s elect fixed frequenc ies.
Internat ional E nglish Simple A pplicat ions MICROMASTER Applications Handbook 23 Advanced F eatures: 025 Enable DC brake. T he DC brak e feature c an be enab led to pro vide a holding tor que if requir ed. See sect ion 8. 2. 013/014 Increase/dec rease f requenc y (Motor Po tentiom eter func tion).
Simple A pplicat ions Interna tional E nglis h 24 MICROMASTER Applications Handbook 5.6 Curr ent Limit and Protection Systems The inv erter m ust protect it self , the motor and s ystem from overload an d possibl e damage. Cur rent lim it now oper ates ver y rapid ly, lim iting the cur rent and preventi ng a trip oc curring.
Internat ional E nglish Simple A pplicat ions MICROMASTER Applications Handbook 25 Overtem perature in the in verter is usual ly caused by a hig h ambient temper ature, a fault y or block ed fan, or bl ocked air inlet or outlet.
Simple A pplicat ions Interna tional E nglis h 26 MICROMASTER Applications Handbook 5.8.5 Start on the Fly Normall y if the inverter att em pts to start a m otor that is already rotat ing it will current lim it, stall or slo w the m otor down.
Internat ional E nglish Simple A pplicat ions MICROMASTER Applications Handbook 27 5.8.7 Slip Compens ation The m otor speed is reduced de pendin g on the l oad, due to the slip as descr ibed earlier. Slip ca n cause a speed regu lation b y as m uch as 10% with sm all m otors.
Simple A pplicat ions Interna tional E nglis h 28 MICROMASTER Applications Handbook 5.8.9 Boost. P1310, 11 and 12. At low outp ut freque ncies t he output voltage is low t o k eep the flux lev el cons tant, as descr ibed ear lier. Howe ver, t he voltag e ma y be too low to overcom e losse s in the syst em.
Internatio nal E nglish Electro magnet ic Compa tibility MICROMASTER Applications Handbook 29 6 Electromagne tic Comp atibility (EMC) 6.1 What is E M C? All elec tronic an d electr ical equ ipm ent generate unwanted s ignals.
Electro magnet ic Compa tibility Interna tiona l Englis h 30 MICROMASTER Applications Handbook · The output of all i nverters generat es high fr equenc y, high vol tage s witching waveform s in the o utput ca bles bet ween the m otor and in verter . · A lot of E MI occurs at high f requenc y.
Internatio nal E nglish Electro magnet ic Compa tibility MICROMASTER Applications Handbook 31 6.2.2 EM C Guidelines The guid elines for instal lation a nd wiring ar e detai led in the Operat ing Instruc tions , but the k ey points are as fol lows: 1. Ensur e all eq uipm ent in the c ubicle is well eart hed, usi ng thick , short earthi ng cable.
Electro magnet ic Compa tibility Interna tiona l Englis h 32 MICROMASTER Applications Handbook 4. Sup press rela y, contac tor coils etc. us ing R-C, f lywheel d iode, or varistor suppress ers fitted at the coils . Diode (DC Coils only) - Good Varistor - Better Resistor/Capacitor - Best Figure 6-5 Suppression of Cont actor Coils 5 .
Internatio nal E nglish Electro magnet ic Compa tibility MICROMASTER Applications Handbook 33 6.3 EM C Rules and Regulations The regula tions concern ing EMC ar e com plex, changi ng and var y from countr y to countr y.
Electro magnet ic Compa tibility Interna tiona l Englis h 34 MICROMASTER Applications Handbook.
Internatio nal E nglish Real Appl ications MICROMASTER Applications Handbook 35 7 Real A pplicatio ns The f ollowing ex am ples are based on applic ations where Si emens Drives h ave been suc cessf ully applie d. In som e cases the circuitr y and par ameter settings have been s im plified.
Real Appl ications Interna tiona l Englis h 36 MICROMASTER Applications Handbook 7.1.3 Key Parameter Detail s Table 7-1 Fan Application with Manual Control Number Value Mean ing P1000 1 Motorised po tentiometer enabled. This allows the p ush buttons o n the AOP to be used to c ontrol the speed .
Internatio nal E nglish Real Appl ications MICROMASTER Applications Handbook 37 7.2.2 Sy stem Specifications Motor 4 pole 11 kW 420 V 3-phase induc tion m otor Control Syst em Closed lo op PI s ystem .
Real Appl ications Interna tiona l Englis h 38 MICROMASTER Applications Handbook 7.2.3 Key Parameter Detail s Table 7-2 Fan Application with Closed Loop Control Number Value Meaning P1000 1 Digital s et point preset i n MIDIM ASTER. Manual adju stment not norma lly required.
Internatio nal E nglish Real Appl ications MICROMASTER Applications Handbook 39 7.3 Control ling Lift Door Operation Lift doors need to c lose at v arying sp eeds. Start ing slow ly, acceler ating fast and slowing a gain as the y appr oach closur e. In this case, the d oors are held clos ed by the motor running at low f requenc y at zero spe ed.
Real Appl ications Interna tiona l Englis h 40 MICROMASTER Applications Handbook 7.3.3 Key Parameter Detail s Note. Careful s electio n of the in puts is needed to ensure the corr ect com bination of forward a nd revers e frequ encies is poss ible. Table 7-3 Ke y Parameters.
Internatio nal E nglish Real Appl ications MICROMASTER Applications Handbook 41 7.4 A Conveyor Application using several MICROMA STERs MICROMAST ERs are used to c ontrol shor t con veyors. Eac h conv eyor is use d as a holding point while prod ucts are sorted.
Real Appl ications Interna tiona l Englis h 42 MICROMASTER Applications Handbook 7.4.4 Key Parameter Settin gs Table 7-4 Ke y Parameters. Conve y o r Application Number Value Meaning P1120 0.
Internatio nal E nglish Real Appl ications MICROMASTER Applications Handbook 43 7.5 A M aterial Handling A pplicati on Severa l MICROM ASTERs are us ed to han dle sheets of lar ge, fragile pieces of mater ial. The s ystem is controlled by a Progr amm able Logic Co ntroller ( PLC) using the digital and analo gue i nputs.
Real Appl ications Interna tiona l Englis h 44 MICROMASTER Applications Handbook 7.5.4 Key Parameter settin gs Table 7-5 Key Parameters. Material H andling Operation Number Value M eaning P1120 0.3 Ramp up P1121 0.3 Ramp dow n P0003 003 Allows all para meters to be ad justed an d set.
Internatio nal E nglish Real Appl ications MICROMASTER Applications Handbook 45 7.6 A n Exercise M achine A pplication A runnin g m achine uses a vari able spe ed drive t o contr ol the run ning b elt spee d from a slow walk to a f ast run.
Real Appl ications Interna tiona l Englis h 46 MICROMASTER Applications Handbook 7.6.4 Key Parameter Settin gs Table 7-6 Key Parameters. An Exercis e Machine Operation Number Value Meaning P0003 003 Allows all para meters to b e adjusted an d set.
Internatio nal E nglish Advance d App licatio ns MICROMASTER Applications Handbook 47 8 A d vanced Applicatio ns Information 8.1 Usi ng Closed Loop Control 8.1.1 What is Closed Loop Control? Closed lo op contr ol is widely use d in indus trial app licat ions to co ntrol a bro ad variet y of proces ses.
Advance d App licatio ns Intern ationa l Eng lish 48 MICROMASTER Applications Handbook Setpoint P2260 KK Setpoint Source P2253 KK Feedback Source P2264 Kp Tn P Gain P2280 I Gain P2285 x y r2294 PID Output PID in upper limit/lower limit P53.
Internatio nal E nglish Advance d App licatio ns MICROMASTER Applications Handbook 49 · Start with the PID ga ins sti ll on their f actor y settings - P gai n =1, no integr al or diff erential acti on. · Select f ast ram p up and do wn times as other wise these will lim it close d loop perform ance.
Advance d App licatio ns Intern ationa l Eng lish 50 MICROMASTER Applications Handbook 8.2.2 Braking and Stopping with an Inv erter Ramping Down and Braking As stated above, if the inve rter reduc es the o utput fr equency (i.e. Ram ps do wn) the motor and load wil l slow d own.
Internatio nal E nglish Advance d App licatio ns MICROMASTER Applications Handbook 51 corres ponds to a p ercentag e of the ful l load cur rent in t he motor.
Advance d App licatio ns Intern ationa l Eng lish 52 MICROMASTER Applications Handbook · Param eters can be s et up and c hanged via the i nterface. · Perform ance can be cont inuousl y monitore d and con trolled.
Internatio nal E nglish Advance d App licatio ns MICROMASTER Applications Handbook 53 8.5 V ector and FCC Control 8.5.1 What is a Vector Driv e? Vector c ontrol is a com plex m athematic al control f unction th at im proves the perform ance of an AC drive .
Advance d App licatio ns Intern ationa l Eng lish 54 MICROMASTER Applications Handbook Vector co ntrol is best und erstood b y consider ing the operatio n of a D C mac hine. A DC mac hine consists of a fi eld windi ng and ar matur e winding. T heref ore the arm ature Current (T orque) and f ield curren t (Flux) can be contr olled independ ently.
Internatio nal E nglish Advance d App licatio ns MICROMASTER Applications Handbook 55 At low spe eds it is very diffic ult to predic t the m otor perform ance and th e hence th e rotor posi tion.
Advance d App licatio ns Intern ationa l Eng lish 56 MICROMASTER Applications Handbook.
Internat ional E nglish Option s MICROMASTER Applications Handbook 57 9 Options for Siemen s S t and ard Dri v es 9.1 Introduction Severa l options are av ailable f or use with Siem ens Standar d drives ; som e are described belo w. These ar e inten ded to ass ist produc t selec tion, inst allation and comm issioning in cert ain appl ications.
Options Internat ional Eng lish 58 MICROMASTER Applications Handbook 9.3 Braking M odules and Braking Resistors During rege neratio n (see s ection 8.2 .2) it ma y be n ecessa ry to dissip ate the energ y that is retur ned to th e invert er. MICRO MASTE R MM420 units do not have the capab ility to dis sipate r egenerate d energ y.
Internat ional E nglish Append ix A MICROMASTER Applications Handbook 59 A Environment al Protection L evels (IP rating) Table A-1 gives t he def initions of DIN40050, BS EN 60529 an d IEC529. T hese refer to the IP num bers and the dif ferent le vels of protec tion availab le.
Append ix A Interna tiona l Englis h 60 MICROMASTER Applications Handbook SECOND NUMBER 0 No prot ecti on No speci al prot ection. 1 Prot ecti on against wat er drippi ng vert icall y W ater drops fal ling vert icall y must not have any harmful effec t.
Internat ional E nglish Append ix B MICROMASTER Applications Handbook 61 B Some Useful F ormulae B.1 T orque and Power Rel ationships If the stead y state t orque is k nown, the power require ment c a.
Append ix B Interna tiona l Englis h 62 MICROMASTER Applications Handbook Moment of Inertia The load m om ent of inertia can be ref erred to t he motor shaft J*lo ad = Jloa d/ I 2 or J*lo ad = Jloa d.
Internatio nal E nglish Index MICROMASTER Applications Handbook 63 Index A Accel eration 1 5 Advance d App licatio ns closed loop contr ol 47 Advance d Opera tor Pan el benefits 57 B Brak ing 15 brak .
Index Inter nationa l Englis h 64 MICROMASTER Applications Handbook Protect ion Featur es current l imit 24 I2t protec tion 24 internal o vertem perature 24 Overvolt age 24 ptc resi stors 24 Pulse W i.
MICROMASTER Applications Handbook 65 Suggestions and/or Corrections To: Technical Documentati on Manager Siemens Au tomation & Inv erters Suggestions Correctio ns Siemens plc Automation & Inverter s Varey Road, Congl eton, CW12 1PH For Pub lication/M anual: MICROMASTER App lic ati ons Handbo ok Fax: +4 4 (0)1260 283603 Em ail: Technica l.
66 MICROMASTER Applications Handbook.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Siemens A1 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Siemens A1 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Siemens A1 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Siemens A1 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Siemens A1, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Siemens A1.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Siemens A1. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Siemens A1 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
