Mitsubishi FREQROL-SFJ Maintenance Manual Download Page 3

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INSTALLATICN OF ORIENTED SPINDLE STOP POSITION

DETECTOR

6.1 Magnesensor l-point oriented spindle stop

DISCHARGE RESISTOR UNIT

TROUBLESHOOTING

General information

First step of troubleshooting

a.3

Second step of troubleshooting

8.4 Alarm and warning table

a.5

display by LED readout

9. PERIODIC INSPECTION

9.1

Inspection of control equipment

9.2

Inspection of motor

9.3

Inspection of discharge resistor unit

10. PARTS LIST

. . . . .

115

116

. . . .

119

Summary of Contents for FREQROL-SFJ

Page 1: ...r LiC SPINDLE DRl i E t SFJ L P MAINTENANCE MANUAL BNP A282 l 02 A E ADVANCED AND EVER ADVANCING n lmJBlsHl ELEcTmc...

Page 2: ...s connected to M300 CNC through bus line 3 5 Spindle control monitor on NC CRT display when FR SFJ is not connected to M300 CNC through bus line 3 6 Test operation 3 7 Adjustment of motor speed 3 8 Ad...

Page 3: ...1 General information a 2 First step of troubleshooting a 3 Second step of troubleshooting 8 4 Alarm and warning table a 5 Alarm warning display by LED readout 9 PERIODIC INSPECTION 9 1 Inspection of...

Page 4: ...or remedy the control system must touch a part of control system under live condition he should take off finger ring wristwatch necktie pin and other metallic goods before starting the work o Electri...

Page 5: ...GE TO OTHER COMPONENTS OF DRIVE UNIT o Do not touch the drive unit immediately after the opera tion is terminated maintenance or remedy should be start ed in about 5 min after the operation is termina...

Page 6: ...signal chins rc dy Input FWd r command R 3 run command orlsnttd eplndl atoP commmd I spewi qsllr select rdlum specrl genr select AUI Input I EYir AUX input 2 A C4I I Up to speed st m 1 O tpUt Zero sp...

Page 7: ...ero speed output signal tJr entstion ccmplett in porrItIon signal A X O Ip t I A X output 2 speed meter Lord rnCtCr SF DAJ Note 1 This input port is used for speed reference signal selection between a...

Page 8: ...e speed display sync feed signal f _ Option card I S F D A 1 OI SF OHJ _ Maqnesensor display sync feed signal _____h To NC A B Z phases Pulse nu Number of pulses is 128 reduction ratio detect Magnesen...

Page 9: ...er type ori ented spindle stop 4096 points specification equip ped with index function Motor detector signal _______ Option card iented spindle 5 F D A 1 top position ed display sync feed signal Tmman...

Page 10: ...upply I J Connection is not required for CON1 signal in usual operation c c c I O signal assignment CM300 series interface c SRI jY251 Y2DI CNI ____ A 1 2 I IVEIl I so CNll7 2 le 7 SF TL J Ot SF RSJ T...

Page 11: ...pindle stop 1 point specifica tion Opt S ion card Speed display sync feed signal To NC A El 2 phases Number of pulses is 128 reduction ratio Magnet Detector Magnesensor 2 Encoder high speed sync TAP a...

Page 12: ...ase controlled motor built in encoder high speed sync TAP and multi point oriented spindle stop spe cification equipped with index function Option S F 7 1 c a r d A To NC 128P rev A B Z phases feed si...

Page 13: ...J 2 K R SFJ CA card r O p t i o n CON1 CON2 In n r OP II b RI 0 6 04 Et MC2 01 6 O0 0 Cfl f 2 I 6 3 1 10 12 CON1 CON2 n n FR SFJ 2 Ll K D FR SFJ 2 i IK T SFJ CA card SFJ CA c a r d o p t i o n 0 w 1 C...

Page 14: ...c c c c FR SFJ Z 3 7K 0 0 3 0 KL 0 1l l c J I I L 4 Ii n 111 z n FR SFJ 5 5K 11...

Page 15: ...drive unit grounded properly 3 Are all shielding wires terminated properly o Is each shield armour connected to the corresponding t e r m i n a l o Is each shield armour not looped 4 Is any component...

Page 16: ...ditions 1 For FR SFJ connected to M300 through bus 1 ne 3 4 AC200 220 ON 1 I 1 NC power is turned on I 1 1 1 Normal operation 1 NC power is turned off Wait for turning on NC power Initial data communi...

Page 17: ...2 For FR SFJ not connected to M300 I_ 3 A C200 220 0 N 1 1 Normal operation 1 Power is turned off Alarm code is displayed in case of failure 14...

Page 18: ...nd functions Since DIP switch settings must be changed only when test op eration is required they should not be changed during normal operation Mode DIP switch setting Function 0 Set position 1 I 1 j...

Page 19: ...2 3 6 1 2 3 7 I 1 ON i3lC I v I JI j j Initialization of parameters The standard values manufacturer s are set for all parameters User should not use this setting 9 4 Meter test mode c 931 Speed mete...

Page 20: ...setting as described in Table 2 After turning on the power motor speed is displayed unless alarm occurs 3 In case of alarm alarm code is displayed c c c Table 1 Display modes and information for ROM...

Page 21: ...and information 0 0 0 Parameter address parameter No and data value are dis played in ADD and DATA re spectively For methods of setting para meter and checking set para meter refer to the next page F...

Page 22: ...ion does not change but DATA f press w switch t Fig 2 I1 changemode from DATA to ADDRESS Data at address 02 II is displayed Ex In example shown in in Fig 1 ADD dis play changes to S I when cl UP switc...

Page 23: ...isplayed in ADDRESS and DATA can be incremented Value displayed in ADDRESS and DATA can be decremented Data set for paramet er is stored when this switch is pres sed 12 display modes namely operation...

Page 24: ...equence 1 L 2 t_______ ________________ _ o Display mode can be selected in the sequence shown above by pressing EEI D switch o Display content can be changed within the same display mode by pressing...

Page 25: ...s droop displayed For pulses minus in reverse rota tion decimal point lights Load I_ Load condition is displayed 100 for 30min rated output 4 Diagnosis display mode In diagnosis display mode control s...

Page 26: ...ameter error No Parameter error IDD MT No is displayed 5 Alarm display mode Alarm No 1 Name i Display I Description I Alarm No Alarm No is displayed I c I c Alarm display Al arm No is displayed For de...

Page 27: ...times suc cessively display mode changes from op eration status mode ADD DATA Fig 1 to parameter 1 mode Fig 2 Fig 2 Select address J o Address can be selected by pressing UP and or 0 switches 0 Q Whe...

Page 28: ...ches Cl Value can e incremented by pressing 0 UP switch and de cremented switch y pressing j Value changes continuously while switch is held down When SEf switch i s pressed 0 again newly set data is...

Page 29: ...NlTOn DIAGN 2 21 GAIN 10 0 function FR SFJ should be I DROOP nPM line connected to NC through bus I LOAD nATE 80 ALARM NO 46 23 DATA BIT MONlTOn 76543210 o I IL oooooool H ollooooo 0 0 Looololoo Hoooo...

Page 30: ...t occurs with spindle amplifier alarm is displayed with code No current alarm and previous alarm are displayed For alarm contents refer to Appendix 2 CONTROL I IPiJT Signal input to spindle amplifier...

Page 31: ...PEED PRi 5 3 24 MAIN CIRCUIT FAULT PRi 54 I 25 BRAKING CIRCUIT FAULT PRi 5 5 EMERGENCY NR 26 P R 56 i OTHER AXIS ALARM NR 27 1 A R 57 j OPTION CARD ERROR j NR 30 E 0 IPF INSTAN POWER FAILURE 31 OVER S...

Page 32: ...16 smmi 4 1 6 s 790 18 9 ssiftf 4000 1000 20 19 0 21 sori 0 10 1 1 32 022 sgear 0 0 23 12 4 0 24 PLC MENU Spindle parameter list l 2 Parameter Description Setting range unit 1 slimt 1 Speed For GEAR...

Page 33: ...1 Minimum spindle speed is set Spindle runs at this speed o 32767 rpm 21 22 sori sgear Encoder gear ratio even wlien speed specified by S command is lower than this speed Gear ratio between spindle ge...

Page 34: ...36 I DATA I MC ERR 1 MACRO 1 SPINDLE 1 PLC 1 MENU I Note Parameters on the NC display can be made invalid by setting DSW 1 switch of card SFJ CA1 to ON In this case the parameters stored in FR SFJ are...

Page 35: ...th the order specifications When analog voltage speed reference signal is used however voltage drop caused by signal line may cause deviation and requires fine adjust ment When FR_SFJ uses option card...

Page 36: ...he following formula for parameter No OD I kz Current setting x K 3 When the adjustment has been completed for forward run speed in reverse run should have been adjusted automati cally It is however r...

Page 37: ...rse spindle stop orientation c Spindle always approaches the stop po sition in the direction of reverse rotation 1 2 When oriented spindle stop command signal ORC turns on motor speed changes from ste...

Page 38: ...I ZRZ oriented spindle stop complete tion signal ORA turns on 5 Spindle stop position can be shifted by setting IPsTl set by_ ir posi parameter 6 When oriented spindle stop command signal ORC is turne...

Page 39: ...at ame ter name Pnsiton control b l o c k Speed control block I II I From CONC II2os1 tion feedback elay advance iiig I sol I s Speed feedback signal I c I L 3 I Power amp1 ifier S p i n d l e m o t o...

Page 40: ...GRA4 2 8 1100 327671 3C 64 7FFF 1 GRBl 2 9 jlOO 327671 3D 64 7FFF GRB2 3 0 i 100 32767 3 E 6 4 7 F F F 1 G R B 3 3 1 10 0 32767 I 3F 64 7FFF G R B 4 3 2 jlOO 327671 4 0 6 4 7 F F F I OSL I 4 1 I 2 I...

Page 41: ...30 GRA 1 2s _ _ _ _ t ___ l o o 3 2 7 6 7 3 9 6 4 7 F F F GRAP 2 6 1 0 0 3 2 7 6 7 G R A 3 2 7 1 0 0 3 2 7 6 7 G R A 4 1 2 8 1 l o o 3 2 7 6 7 t 3 C 1 64 7FFF 1 GRBI 2 9 100 32767 3 D 6 4 7 F F F GRB...

Page 42: ...displayed by the 7 segment LED readout Press or switch to adjust stop position The spindle remains rotating while switch is held down The spindle rotates about 1 deg for each 100 of data value one re...

Page 43: ...that position detector magnesensor encoder etc is installed improperly Install position detector correctly and then perform the adjustment described above again 3 8 7 Adjustment of servo rigidity Serv...

Page 44: ...lid when bit 4 of parameter 1RS1 is 1 J 3 8 8 Advance delay ContrOl and PI control application Usually advance delay control is employed In the case described below use PI control function o Frictiona...

Page 45: ...Bus line connection to M300 series CNC 05 DSR Digital Type of digital speed reference Decimal nota speed re signal is selected tion ference This parameter is valid when MOD signal type 04 is set llo 0...

Page 46: ...er 1 09 t settings dhen analog speed reference sig la1 is used offset value is set Standard setting 0 Jot used Set 0 ain for speed reference signal is set 2ctual speed reference is product Ibtained by...

Page 47: ...e short 0 360 or orient er is the time taken for oriented l 10 rad s ed stop spindle stop and the higher is position the servo stiffness control If setting is excessively large loop gain however inten...

Page 48: ...range from 5 deg to 5 deg with increment of l 1024 2048 for 0 deg Standard setting 2048 28 BRC Not used Set tlOt 29 Not used Set 0 2A Not used Set 0 2B Not used Set t O 2c Not used Set 1 0 l 2D Not u...

Page 49: ...ximum speed Standard setting 10 35 TLM Torque Torque limit ratio is set in o 120 limit terms of percentage to input torque limit Standard setting 10 36 VKP Speed ioop Proportional gain is set for o lO...

Page 50: ...nto When motor reduction hexadecimal value and set speed is de 3E GRB2 ratio on termined from motor side Number of gear teeth for gear 01 drive on motor side is converted into the following formula si...

Page 51: ...in Hexadecimal detector oriented spindle stop function notation type is specified 0 Motor built in encoder 1 Encoder 2 Magnesensor 12 BSL Bit Hexadecimal assignment notation FEDCBA9876543210 z I 7 55...

Page 52: ...II 8 2 0 8 2 I 65 1 0 9 3 0 9 3 2 2 f I I I I 2 7 5 5 1 2 5 1 2 5 3 3 6 1 1 fi 1 1 fi xRTr 7 I ti 7 I 6 7 1 1 A I 11 8 I 8 8 1 95 8 2 9 2 9 5 i A 2 2 A 2 2 Ii 05 II 2 1 B 2 4 R 6 6 c 2 6 c 2 6 C i IS...

Page 53: ...d group No I 1 R3 0 0 CHI 111 Hh 0 K9 0 0 CH3 RI 0 l CH4 COh 101 Hli 0 0 Cll i I HI8 0 0 CH6 p w r __________________ ______ CON II 1 COh IO CON 104 _ J G53 card CONlO CON104 G51 card Illustration be...

Page 54: ...cted Normal setting NC parameters ignored internally set Flarameters a r e Galid Test aging Test mode Parameter transfer E2 ROM i n i t i a l i z a t i o n For ROM versions after BO Meter full scale o...

Page 55: ...loop gain FR SFJ is not connected to M300 series CNC through bus line Parameter 04 is set to 0 FR SFJ is connected to M300 series CNC through bus line Parameter 04 is set to 2 Pin should be removed fo...

Page 56: ...oad meter zzl Time constant is set to filter about 400ms same as that time con for card G52 Em 1 stant set ting l o Time constant is set to about looms _ SPARE Spare For spare m _ 4 LED table No Descr...

Page 57: ...waveform V phase PWM waveform W phase PWM waveform V phase current waveform A D converter input waveform U V W phase full wave rectification waveform Converter current waveform U DhaSe current wavefo...

Page 58: ...Not u s e d Application iUP DOWrJ P I N4 P I CONC I Check terminal table No j Common i Description CHI CH6 I Position control feedback A phase CH2 1 CH6 Position control feedback B phase C H 3 1 CH 6...

Page 59: ...COO Not used Card name Check terminal table No Common Description CHI DG Position control feedback A phase CHI DG Position control feedback B phase CH3 DC Position control feedback Z phase CH4 DG Mag...

Page 60: ...r s E c Card group NO COO Card name Check terminal table No C o m m o n Description CHl CH6 I Position control feedback A phase CH2 CH6 Position control feedback B phase C H 3 CH6 Position control fee...

Page 61: ...e the space is provided for installation of option card and secure the option card with five mounting screws 3 Perform the required settings For parameter settings refer to 3 3 and 3 9 parameter table...

Page 62: ...Before replacement check ROM No switch settings and jumper pin settings When it is desirous to use the previous parameter settings remove the parameter ROM E2 ROM from the old card and load it to the...

Page 63: ...ocedure 1 Remove the FR SFJ front panel remove 4 panel mounting screws 2 Remove Llle ROMs To remove the ROMs be sure to use a ROM remover and carefulLy disengage each ROM from socket USC care not to b...

Page 64: ...e the module from the heatsink When the module is removed note that base terminal B and emitter terminal E of transistor module are of plug in type 2 Applying silicone grease Uniformly spread silicone...

Page 65: ...I Max clamping torque Recommended Model S c r e w s i z e clamping torque kp cm kq cm T768 M5 x 0 8 70 j I QM50DY H I k I u QM75DY H M 5 X 0 8 20 I 2 2 b QMlOODY H 17f2 I 2 1 I 4J QM15HA H 02 4 u1 M 5...

Page 66: ...dle motor Terminal box cover Fin case c 2 thermal protector leads OHS1 and OHS2 d Cable connected 3 Remove the ex ternal connector from the con nector bracket Disengage the internal con nector 4 Remov...

Page 67: ...2 To assemble per form step 1 in reverse order 64...

Page 68: ...4...

Page 69: ...erse order Fan mote Fan lard For frame No 160 1 Remove 3 fan case mounting hexagon socket head screws Pull back the fan case to remove the fan case together with the fan 2 Remove the hexagon socket he...

Page 70: ......

Page 71: ...etween the sensor and the sensor gear Adjust the gap to 0 15 0 01 Sensor bracket Sensor Bracket mount ing screw I DQtector gear Sensor mounting screw Thickness gauge After making sure the sensor marki...

Page 72: ...inkage fit at temperature with in 100 C 15OOC Note that excessively high temperature may cause distor tion to the gear cl 4 Bearings 1 2 Remove the shaft case cover mount ing screws and the bracket mo...

Page 73: ...on the load side apply a bearing re mover to the inner ring of bearing and turn the handle of bearing remover 5 To install bearing to shaft all fitting sur faces should be thorough ly cleaned and smoo...

Page 74: ...7 If press machine is not available lightly ham mer the pipe to drive the bearing Use care not to hammer the outer ring of bear ing I I Pipe Bearing Hammer is used to install bearing 71...

Page 75: ...d sensor The sensor generates two types of voltage signal as shown in Fig 6 1 D i r e c t i o n o f Rotating d i s k Amplifier Output voltage Output vol tagc e Fig 6 1 Sensor signals MS signal Signal...

Page 76: ...Spindle is stopped with this signal at OV LS signal Signal voltage is constant within the zone width of magnet This signal is used to verify that spindle remains stopped within the zone of magnet 73...

Page 77: ...ce with polarity N S of magnet Refer to 1 iCAsE and UNACCEPTABLE EXAMPLE 21 High speed ring type The reference notch of sensor head should be located in reference Gith polarity N S of magnet Refer to...

Page 78: ...head should face outward as shown in Fig 6 5 View from Olr hole Reference notch View from C Magnet is installed on the Magnet is installed on the counter load side load side I In 1 the magnet and sen...

Page 79: ...h of sensor head should be on the counter load side and the magnet should be installed in the polarity shown below Counter lo side Load side Counter load side Load side T Reference not View from A Ref...

Page 80: ...t extremity of the magnet and oriented spindle stop is impossible Counter lo I Load side Counter load side Load side notch View from A A In this example polarity N S of magnet is inverse to that in FA...

Page 81: ...View from A IJNACCEP I ADLE EXAMPLE 3 If the reference notch of sensor tread is not located properly in reference to polarity of the magnet in tense vibration occurs when the sensor head is at extremi...

Page 82: ...ile magtlet and i l s eripheral to be free from iron particles iron parl icles may cause mal function Apply lock pairIt or 0 tiler sui Lab I e means to prevent mounting screw from becoming loose Jf th...

Page 83: ...accordance with IC SEl refer to Table 2 When a high speed standard magnet is installed in accordance with ml refer to Table 2 Wtletl a hi p tl speed miniature magnet is installed in nccordance w i t...

Page 84: ...n g a p m M a x g a p men M i n g a p mm 40 Il Sf0 5 2 7f0 5 lOf0 5 l 22f0 5 50 9 5 to 5 2 8i O S 8f0 5 1 3lf0 5 60 R 5lO S 3 of 0 5 7 f0 5 1 5 f0 5 70 8 01 0 5 3 110 5 7 i O 5 2 38f0 5 Tnhle 2 BKO C...

Page 85: ...X X 0 3 iK Controller may be Controller may be 0 Applicable damaged damaged 5 58 X 7 4 OV alarm may 0 0 x Not applicable occur R UNIT l and 2 are the standard resistor unit and R UNIT 3 is for heavy...

Page 86: ...t identify the phase in which the blown out fuse was used control circuit power supply fuse 3 Is the trouble or failure reproducible 4 Are ambient temperature and panel inside temperature nor mal 5 Wh...

Page 87: ...the peripheral control devices or functions in good condition o Are the NC and programmable controller wired proper ly o Visually check cables and other components for condi tion Is temperature insid...

Page 88: ...ime or error occurs in oriented spindle stop po sition or alarm lamp lights II Trouble B Trouble with 7 Failure in main circuit control equip ment Failure in control circuit Trouble with detector Fail...

Page 89: ...equired to consider power phase sequence 3 Check ROM No and parameters against the order sheets 4 Motor speed cannot be increased 5 No load operation is in good condition 6 Only oriented spindle stop...

Page 90: ...yed Refer to 7 4 4 Are signals from NC and programmable con troller proper Check the input sig nals machine READY FWD run REV run etc using diagno sis function read out 5 In open loop control 5 If ope...

Page 91: ...red or UNDER VOLTAGE was displayed 2 Check if malfunction 1 Check the power suPPlY 2 Determine the occurred in contol noise source and circuit due to large install a surge noise killer etc The control...

Page 92: ...rs if error oc ERROR curs in access time 2 ports me mory due to failure in exter nal clock during NC mode opera tion with FR SFJ connected to M300 CNC through bus line 15 ME2 MEMORY ER This alarm occu...

Page 93: ...er 31 OS OVER SPEED This alarm occurs if motor speed A exceeds 115 of the maximum mo tor speed 32 oc OVER This alarm occurs if current A CURRENT larger than the specified maxi mum current flows into F...

Page 94: ...ata com A T R A N S F E R ERROR munication with FR TK unit when FR TK unit is used does not go properly 45 OHP OVER HEAT This alarm occurs if ambient A AMP temperature is excessively high or main powe...

Page 95: ...J is connected to CNC through bus line this warn ing is given 0 If emergency stop signal is in put from external signal source when parameter kc42 BSL is set so that external emergency signal is accep...

Page 96: ...ting Motion C Only warning is displayed operation can be continued I i 93...

Page 97: ...turned on in minimum 1 sec ply off time off and on after turned off AC power sup ply short Card SFJ CA1 It should be checked if this Replace the card SFJ not in good alarm is reproducible CAl conditi...

Page 98: ...trouble SFJ CA1 3 MEMORY ERROR 2 Cause This display appears if the buffer for bus linkage with CNC M300 series does not function properly Remedy Replace the cable Checkup Bus linkage ca ble defective...

Page 99: ...e SF ORJ DAJ and or place the cards SF ORJ TLJ DAJ and TLJ to check 5 ERROR EXCESS SPEED This alarm occurs if deviation of true motor speed from the specified speed is larger than 500rpm lasting for 1...

Page 100: ...cation by the LED read 1 out After making sure this alarm Replace the card is reproducible replace the SFJ CAl card SFJ CA1 in use with a new card SFJ CA1 to check open loop control mode Check speed i...

Page 101: ...EED This alarm appears if motor speed exceeds 115 of the rated speed Cause I Checkup r 1 Parameter setting The motor maximum speed set improper iting is under 1000rpm Remedy Speed detection Observe th...

Page 102: ...GRAl GRA4 GRBl GRB4 is not set properly parameter set ting is smaller than 100 Set gear ratio parameter proper ly refer to Parameter Table Remedy 1 Replace the motor built in encoder j 9 OVER VOLRRAGE...

Page 103: ...trol unit curs again even after the I remedy described above 10 OVER CURRENT Overcurrent Cause Checkup I 1 Remedy Motor constant para meter set improperly Parameter MSLi 2 setting does not meet motor...

Page 104: ...Replace the con again even when a new card trol unit SFJ CA1 is used the control unit is likely to be defec tive 11 DATA PARITY and TRANSFER ERROR DATA PARITY TRANSFER ERROR These alarms appear if pa...

Page 105: ...lay appears when commanded movement is larger than the specified 15mit in operation of FR SFJ connected to M300 series CNC The lower display appears when parameter setting is larger than the specified...

Page 106: ...p Measure the ambient tempera If the ambient erature ture temperature is higher than 55 C appropriate pro vision shouid be made to cool Trouble with cool Check if the FR SFJ cooling Replace the cool i...

Page 107: ...SFJ 1 Check motor for load con dition 2 Check frequency of start stop Fan does not run satisfac torily or remains stopped Check cooling air flow Check if the thermosensor does not reset when the mo t...

Page 108: ...cool ing fan is in standstill or ing fan does not run satisfactorily i _ _ Check if thermosensor does Replace the dis not reset when the cooling charge resistor fan is operated for 15 unit 16 min wit...

Page 109: ...Check if alarm is removed Set time constant improperly when sync TAP command TAP T1 properly time constant is increas ed Trouble with encoder Stop position is valiable Replace the en in each oriented...

Page 110: ...n put within 1 sec after ready signal is input Rotate motor shaft to make sure motor is under servo lock condition 1 Signals SRN and SRI turn on at the same time Remedv I 2 slimit or smax NC display p...

Page 111: ...ed power supply 1 age improper I i ____ _ _ _ j __ _ _ _ 1 Speed reference Check if motor speed does Remedy the external 1 signal input not increase in accordance speed reference sig j from externai 1...

Page 112: ...d machine parameter Set Shin to 1 Shin is set at 0 4 Required torque cannot be obtained Perform check in accordance with l 2 and 5 5 It takes ionger time to start the motor I I Cause I Checkup Remedy...

Page 113: ...Trouble with card SFJ CA1 10 11 Checkup Check that zero speed flag external output in DIAGNO SIS mode turns on when mo tor speed is below 25rpm or 50rpm If the flag turns on the output circuit is defe...

Page 114: ...n circuit and ground At least 20Megohm 1 Terminals R S T U V W MS1 and MS2 and E b Between control cir cuit COM and ground At least 20Megohm Terminal CH23 of card SFJ CA1 and ground Cc Between entire...

Page 115: ...Use a cable of larger size for mo tor S analog speed Signal on CH30 CH23 for com Shield the signal reference signal man of card SFJ CA1 is dis line properly distorted by torted by noise noise Trouble...

Page 116: ...or does not control to check position stop feedback signal Check the signals on the i following check pins of cards SF ORJ DAJ and TLl while the motor is running forward CHl CH6 DG CH2 CH6 DG CH3 CH6...

Page 117: ...op 0 PG2 settings to check E l PG2 Parameter 21 I PGl Set these para meters properly Servo stiffiness Check gear ratio settings Increase speed stability poor control loop con stant lVKpj IVKIJ o r IOR...

Page 118: ...tate the fan shaft Replace the by hand to check fan 2 Turn on the fan to check that the fan runs powerfully 3 Check if foreign sound occurs in bear ing 2 Soiling de Appropri Check the components forma...

Page 119: ...k shaft alignment 3 Check if vibration is transmitted through shaft coupling 4 Check if bearing is damaged 5 Check if noise or vib ration is caused by reduction gear or belt 6 Check control equip ment...

Page 120: ...ion months resistance is exces sively low To check measure in sulation resistance between the entire circuit and ground control panel discon nected Insulation resistance should be larger than lMegohm...

Page 121: ...arge resistor unit 1 Cooling fan Freauencv Weekly Monthly Check 1 Check if fan shaft can be rotated smoothly by hand 2 Check if fan motor runs powerfully 3 Check if foreign sound arises in bearing Rem...

Page 122: ...I PI Spare Name Capa 1 Model Manufac O city I t u r e r S y m b o l I d S e l e c t i o n Remarks IKW I i XL acces 10 1 sory A B C I I I 2 2 I QM50DY H 1BKO Cl869 i HO3 I i i 3 7 QM75DY H j BKO Cl984...

Page 123: ...j 5 5 32A 5OMV BKO NC6131 H55 KOOSHIN I 15 CT I CT V j 7 5 38A 50MV BKO NC6131 H56 i DENKI i3 o CT L I I I I 2 21 I y I I 16 i TERMINAL I i TEl I I I 1 I 2 2 1 MITSUBISHI i I i 17 TERMIN 4L I TE K5 5...

Page 124: ...5 POWER SUPPl Y I RINTED CIHCUII BOARD SFJ CA1 1 OPTION I K I NTED CIHCUIT BOARD SF OHJ I SF TI I BKO C18101103 SONY MACNESCA1 E BKO Cl7301106 BKO c17301109 AGNET BKO Cl7301111 BKO C17301112 MACOME B...

Page 125: ...9oow 15 OllM 30 RESISTOR 7 5 MO NC1115 II02 5 5 9OOW 45 OIIM 3 0 0 0 3 I 7 5 MO NCIIIS 1103 R1 2 3 I I I I I PULSE I AMACAW 4 FOH 31 SIGNAL TSl860N55 I O 0 0 1 SEItil MoT0H GENERATOR A 90 R6550 7 TOH...

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