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Error handling of malfunction indication of OC.OL

When inverter display
malfunction indication

OC.OL.

Switch ON power

supply

Is the output frequency

displayed?

Detail examination is required.

Inverter is out of order.

YES

Is the appearance

normal?

Is the primary

circuit I.G.B.T.

normal?

Input operation

instruction

Replace I.G.B.T.

Is the current

detector normal?

YES

ABNORMAL

Is there any

malfunction indication

Input frequency setting

Is there output

voltage on UVW

terminals?

Connect motor and

proceed with operation.

Is there any malfunction

indication

Is output

current of all phases in

balance condition.

The inverter is

normal now.

Replace defective PCB

Replace control board.

Replace detector.

Replace control board

Is replacing

control board correct this

Problem?

NORMAL

YES

ABNORMAL

NORMAL

YES

Содержание VAT20

Страница 1: ...MANUAL NOTICE 1 Read this manual thoroughly before using the VAT20 and store in a safe place for reference 2 When using this speed drive unit in the EU compliance with the EMC Directive 89 336 EEC is required Check carefully Chapter 2 4 Installation 3 The contents of this manual can be changed without notice Copyright GE Industrial Systems GE Power Controls January 2004 ...

Страница 2: ...ons terminal block layout 18 Chapter 3 Software Index 1 Control panel instructions 23 2 List of parameters 24 3 Parameter function description 25 4 Malfunction Indication and countermeasure 36 5 General troubleshooting method 39 Chapter 4 Maintenance and Peripherals 1 Maintenance and examinator 47 2 Voltage current measurement 48 3 Input AC reactor specifications 49 4 EMC filter class B specificat...

Страница 3: ...or components of the inverter The grounding terminal of the inverter must be grounded properly with 200V class type III standard This is a product of the restricted sales distribution class according to EN 61800 3 In a domestic environment this product may cause radio interference in which case the user may be required to take adequate measures CAUTION Do not attempt to proceed dielectric strength...

Страница 4: ... injury or damage the inverter l Install the inverter onto firm metal base or other inflammable material Do not install the inverter onto or nearby any flammable material to avoid fire l Additional cooling fan should be installed if several inverter are installed into one control panel to lower the temperature inside below 40 to avoid overheating or fire alarm l Turn off power supply before procee...

Страница 5: ...based on the setup of F_10 and the condition of external switch FWD REV button Attention the restart operation is irrelevant with F_23 F_24 1 When F_10 0 the inverter will not start after restart 2 When F_10 1 and the external switch FWD REV button is OFF the inverter will not start after restart 3 When F_10 1 and the external switch FWD REV button is ON the inverter will start automatically after...

Страница 6: ... Do not attempt to adjust it CAUTION Do not proceed with disassemble or examination procedure before ensuring that the power is off and the Power LED extinguished During examination and maintenance CAUTION Inverter environment should be within temp 10 O C 40 O C humidity under 95 RH without condensing CAUTION After the removal of shield sticker the environment temperature should be within 10O C an...

Страница 7: ...y from salty environment Keep away where rain or dripping water may get into the inverter Avoid metal dust and dusty environment Avoid massive vibration Avoid heat Avoid where environment temperature is too high Keep away from high electrical magnetic wave or ultra high wave Keep away from radio active matter Keep away from flammable material oil ...

Страница 8: ...vent foreign dusts flocks or metal scraps from entering interior l Away from radioactive matter or flammable material l Avoid electric magnetic interference soldering or power machinery l Avoid vibration if vibration can not be avoided anti rattler should be installed to reduce it l If inverter is installed in control panel please tear off shield sticker of VAT20 Additional cooling fan should be i...

Страница 9: ...0 240V 50 60Hz Output Rating O P AC 3ph 0 240V 1 6kVA 4 2A U20 N 0K7 S Series Power Voltage Power Rated Option N 200V 1ph 0K2 0 2kW S Standard 0K4 0 4kW model with 0K7 0 7kW EMC filter N 200V 1ph 3ph I K5 1 5kW SX Standard 2K2 2 2kW model without X 400V 3ph 0K7 0 75kW EMC filter 1K5 1 5kW 2K2 2 2kW ...

Страница 10: ...put Voltage Max Three phase 200 240V 10 15 Dimensions W x H x D mm 72x132x118 118x143x172 EMC specification 1 Class A single phase filter built in 1 Only for U20N_K_S type Basic specifications 400V series Type No VAT20 U20X0K7_ U20X1K5_ U20X2K2_ Suitable Motor Power Rating kW 0 75 1 5 2 2 Motor HP 1 2 3 Current A 2 3 3 8 5 2 Capacity kVA 1 6 2 9 4 0 Rated Weight kg 1 66 1 66 1 76 Input Voltage Max...

Страница 11: ...0 with external resistor General control Other function Decelerate or free run stop Auto reset DC braking frequency Voltage Time can be setup by constants Display 3 digital LED display frequency inverter parameter fault record program version Indication function 7 segments 3 indicate frequency inverter parameter fault record program version Operating temperature 10 to 40 C without shield sticker 1...

Страница 12: ...MC Made by GE CL00 Made by GE CL00 Made by GE CL00 Primary Circuit Terminal TM1 Wire dimension 2 5 mm2 Terminal screw M3 Wire dimension 4 mm 2 Terminal screw M3 Wire dimension 2 5 mm 2 Terminal screw M3 Signal Terminal TM2 1 11 Wire dimension 0 75mm 2 18 AWG Terminal screw M3 l Please utilize three phase squirrel cage induction motor with appropriate capacity l If a inverter is used to drive more ...

Страница 13: ...t or breaking controller the magnetic contact must be added at the primary side l Do not operate the magnetic contact to switch ON or OFF the inverter Power improvement AC Reactor l If large capacity power source is applied over 600kVA additional AC reactor may be added to improve power factor Inverter l Power supply input terminals L1 and L2 is not differentiated on phase sequence they can be arb...

Страница 14: ...older a conductor to the shielding pig tail l Use a metal clamp to connect the shielding from the motor cable with the metal grounding plate Now there is a perfect high frequency earth connection between frequency inverter grounding plate and EMI filter l Keep the distance between frequency inverter and EMI filter as short as possible 30cm otherwise use screened cable with a metal coupling nut and...

Страница 15: ...isted pair cable must be used to wire the control circuitry Please refer to following diagram Connect the shielding wire onto the grounding terminal Wiring distance must be under 50m C The grounding terminal of the inverter must be correctly grounded in compliance with 200V class type three grounding l Grounding wire should be wired in accordance to electrical equipment AWG with the length of the ...

Страница 16: ...ut to reassure the wiring correctness broken wires and secure terminal screws Wiring Diagram Terminations to Inverter must be made with either UL listed field wiring lug kits or UL listed crimp type ring terminals Note only for U20 N1K5 N2K2 and U20 X0K7 X1K5 X2K2 l Other connections external 24V supply Multifunction input Multifunction output For factory test only Grounding 2 5 10kΩ Power Supply ...

Страница 17: ...tput terminal Connection point rated capacity 250VAC 1A 30VDC 1A 3 FWD 4 REV Operation control terminals refer to Fn_03 5 12V Common point of terminal 3 4 6 7 6 SP1 7 RESET Multifunction input terminals refer to Fn_19 8 10V Power terminal of potentiometer Pin 3 9 Analog input point Analog frequency signal input terminal Pin 2 of potentiometer or positive terminal of 0 10V 4 20mA 0 20mA 10 0V FM An...

Страница 18: ...d terminal block layout Frame 1 U20N0K2 U20N0K4 U20N0K7 Length Type D E F G U20N0K2 U20N0K4 U20N0K7 8 2 118 61 72 NOTE For safety reason we strongly recommend users to remove the M4 green grounding screw then screw the enclosed metal frame grounding terminal on the same location to make a grounding bar to ensure good earth protection Plaquette de terre voir note Terre Grounding see note Grounding ...

Страница 19: ... voir note M4 terre NOTE For safety reason we strongly recommend users to remove the M4 green grounding screw then screw the enclosed metal frame grounding terminal on the same location to make a grounding bar to ensure good earth protection Grounding see note Grounding ...

Страница 20: ...20 Dimensions and Installation of class B filter U20AF0K7 Inverter with class B filter U20AF0K7 mounted Inverter with class B filter U20AF0K7 and DIN rail U20AR0K7 mounted ...

Страница 21: ...le Step 1 Aim and insert the 4 retention ribs of U20AR0K7 at the 4 holes in rear panel of VAT20 Step 2 Push the U20AR0K7 forward until the middle rib grips firmly with real panel Step 1 Use small screw driver inserting the middle rib of U20AR0K7 and press the screw driver in order to strip U20AR0K7 from VAT20 ...

Страница 22: ...ll VAT20 Dismounting VAT20 Mount Mounting clamp 1 DIN Rail 1 Mounting clamp must be used to fasten VAT20 1 Pull the mounting plate downward 2 Rotate the T verter module to dismount it First place the groove on the back of module on the upper edge of din rail and then push the module down to lock up position Finally press the mounting plate upward into module ...

Страница 23: ...d damaging keypad Brief keypad operation flowchart 1 Displayed setting frequency when stopped Display output frequency when running 2 The setting frequency can be modified either when stopped or when running FREQ 1 FREQ DATA ENT RUN STOP STOP STOP STOP DSP FUN POWER LED F DSP FUN DSP FUN F DATA ENT READ END DATA ENT WRITE AFTER 0 5 SEC 2 ...

Страница 24: ...16 DC braking injection frequency 0 1Hz 1 10Hz 1 5Hz DC braking setting 17 DC braking level 0 1 0 0 20 0 8 0 Electronic thermal 18 Protection on motor rated current 1 50 100 0 200 100 4 19 Multifunction input terminal 1 function 2 Multifunction input connection point 20 Multifunction input terminal 2 function 1 Jog 2 Sp1 3 Emergency stop 4 External Base Block 5 Reset 6 Sp2 5 4 Multi function outpu...

Страница 25: ...ime Fn_01 x 60 Hz Setting Frequency Decelerate time Fn_02 x 60Hz Fn_03 Operation mode selection 0 Forward Stop Reverse Stop 1 Run Stop Forward Reverse Note 1 Fn_03 take effect only when Fn_10 1 external operation control 1 Reverse command is ignored when Fn_22 1 Fn_03 0 control method Fn_03 1 control method 3 FWD Stop 4 REV Stop 3 Run Stop 4 FWD REV 5 COM 5 COM TM2 PIN3 TM2 PIN4 Fn_03 0 Output For...

Страница 26: ...ttern setting 1 up to 6 Adjust Fn_05 1 6 to select one of six fixed V F pattern refer to following tables Specification 50 Hz system Application General application High starting torque Decreasing torque Fn_5 1 2 3 V F pattern Specification 60Hz system Application General application High starting torque Decreasing torque Fn_5 4 5 6 V F pattern Fn_5 B C 10 8 2 5 15 10 5 3 6 25 7 7 V V V V V V 100 ...

Страница 27: ...ing Fn_08 sp1 frequency 1 up to 120Hz or 200Hz Fn_09 jog frequency 1 up to 10Hz or 200Hz Only for with CPU version from 1 9 check function F_29 1 When Fn_19 or Fn_20 2 and multifunction input terminal is ON the inverter operate at sp1 frequency Fn_08 2 When Fn_19 or Fn_20 1 and multifunction input terminal is ON the inverter operate at jog frequency Fn_09 3 The priority of reading frequency settin...

Страница 28: ...s setup by VR or analog signal on TM2 0 up to 10V 0 20mA 2 Frequency instruction is setup by VR or analog signal on TM2 4 20mA Note 1 When Jog frequency or Sp1 frequency is switched on the frequency is setup by Sp1 speed the buttons on the keypad is disabled Original setting will be restored after Sp1 connection is OFF Note 2 During the contact closure of the jog function the keypad control remain...

Страница 29: ...YPE inverter can provide a low audible noise level during its operation it is possible that the switching of the high carrier frequency may interfere with external electronic components or other controllers or even cause vibration in the motor Adjusting the carrier frequency can usually correct this problem Fn_13 Torque compensation gain 0 up to 10 To enhance Inverter output torque patterns accord...

Страница 30: ... from 1 9 check fnction F_29 1 Function of the electronic thermal protecting motor 1 Motor rated current Inverter rated current x Fn_18 Fn_18 Motor rated current inverter rated current 2 When the load is within 100 of the motor rated current the operation continues When the load reaches 150 of the motor rated current the operation may continues for only 1 minute refer to curve 1 in figures 3 3 Aft...

Страница 31: ...ifunction input terminal 1 function 1 up to 5 or 6 Fn_20 Multifunction input terminal 2 function 1 up to 5 or 6 Only for drives with CPU version from 1 9 check fnction F_29 1 Fn_19 Fn_20 1 JOG refer to F_09 2 Fn_19 Fn_20 2 or 6 multispeed control Multi speed control only for drives with CPU version from 1 9 F_19 2 and F_20 6 TM2 SP1 Terminal TM2 RESET Terminal Output frequency ON OFF F_08 OFF ON F...

Страница 32: ...stops the inverter will still execute the emergency stop 4 Fn_19 Fn_20 4 External Base Block immediate shut off When the external base block signal is activated the inverter output will be immediately shut off ignoring setting in Fn_14 and flash b b After the base block signal deactivated turn the RUN switch OFF and then ON again Fn_10 1 or push the RUN key Fn_10 0 the inverter will restart from t...

Страница 33: ... the setup of F_10 and the condition of external switch 3 If the time of momentary loss is between the above two whether the inverter will auto restart depends on F_24 F_24 0 auto restart disabled F_24 1 5 auto restart enabled 1 5 times 3 When F_23 1 1 Power up after momentary power loss the inverter will not start Even under F_24 0 2 If the momentary power loss is long the inverter must be restar...

Страница 34: ...e transient restart count will be reset 1 No additional malfunction in operation or stop occurs within 10 minutes 2 Press RESET button or external terminal RESET is ON Fn_25 Factory settings function 010 Constants initialisation to 50Hz system 020 Constants initialisation to 60Hz system 1 When Fn_25 is set to 010 all parameters are restored to factory settings The settings of Fn_05 1 and Fn_06 50 ...

Страница 35: ...ult trace indicate the sequence of the occurrence of malfunctions by the location of decimal point x xx indicate a recently happened malfunction xx x indicate the last malfunction that happened xxx indicated the earliest malfunction in the record 2 After entering the Fn_30 function the x xx record will be displayed first After that press button can read out xx x xxx x xx consecutively 3 After ente...

Страница 36: ...wer supply 2 Return the inverter for repair Inverter over heat while not operating 1 Detection circuit defective 2 Environment over heat or poor ventilation 1 Return the inverter for repair 2 Improve ventilation 3 4 2 Manual reset operative faults Auto Reset inoperative INDICATION CONTENT POSSIBLE CAUSE COUNTERMEASURE Over current at stop condition Detection circuit malfunction Return the inverter...

Страница 37: ... side Over current at deceleration Deceleration setting too short Adjust to use a longer acceleration time Over current at breaking DC Breaking frequency breaking voltage or breaking time setting too long Adjust to reduce settings of Fn_15 Fn_16 or Fn_17 Over voltage at operation deceler ation 1 Deceleration time setting too short or inertial loading too large 2 Power supply voltage variation too ...

Страница 38: ...ion for Fn_19 for detail External BASE BLOCK When the external BASE BLOCK signal is activated through the multifunction terminal the inverter stop output immediately and flash b b for indication refer to instruction for Fn_19 for detail 3 4 5 Keypad Operation Error Indications INDICATION CONTENT POSSIBLE CAUSE COUNTERMEASURE Motor direction locked 1 Attempt to reverse direction when Fn_22 1 2 Atte...

Страница 39: ...ect Is wiring on the output terminals T1 T2 and T3 correct l Operate by digital Motor operate in opposite direction Is the wiring for the forward and reverse signals correct l Wiring should be in accordance with the U V W terminals of motor Is the wiring for analog frequency input correct l Examining the wiring and correct it Is the operation mode setting correct l Examining the wiring and correct...

Страница 40: ...on indication is Any sign of burnt of breakage Is the primary circuitry DM normal Is the primary circuitry I G B T normal Replace defective board Is LED2 illuminate Is the DC input voltage of control power supply normal Is the control power source 5V normal Replace control board digital controller Is replacing control board solve the problem Examining component with sign of burnt or breakage Repla...

Страница 41: ...erter is out of order YES Carry out parameter initialization Designate operation control method Frequency instruction setting Does the controller displays frequency setting Is there voltage output on UVW terminals The inverter is normal now Replace control board Replace control board Is replacing control board correct the problem Yes the problem has been corrected No The problem is not corrected Y...

Страница 42: ... B T Is the current detector normal NO YES NO ABNORMAL Is there any malfunction indication Input frequency setting Is there output voltage on UVW terminals Connect motor and proceed with operation Is there any malfunction indication Is output current of all phases in balance condition The inverter is normal now Replace defective PCB Replace control board Replace detector Replace control board Repl...

Страница 43: ...ion instruction Replace defective board NO NO Is there any malfunction indication Input frequency instruction Is there output voltage on T1 T2 and T3 terminals Connect motor Is the motor operating Is there any malfunction indication Is output current of all phases in balance condition The inverter is normal now Replace control board Replace control board Replace control board Is the problem correc...

Страница 44: ...e MCCB Power source abnormality Poor wiring Place the operation switch toRUN position Is the T1 T2 T2 T3 T3 T1 output voltage in balance condition ABNORMAL NO YES YES When the motor is not connected and the voltoge differences between wires are within 3 can be treated as in balance condition Normal within 10 of nominal value NO NO Is the voltage between L1 L2 power input terminals normal NO Is the...

Страница 45: ... rated current NO YES YES NO NO 3 Disturbing motor operation Is there any excess vibration at transmission parts like gears Increase or decrease acceleration deceleration time Is there any loading variation condition YES Reduce load Increase VAT20 and motor capacity Reduce loading variation or install fly wheel Improve mechanical system NO YES YES VAT20 malfunction During acceleration or decelerat...

Страница 46: ...Is the voltage of the primary circuitry normal Measure voltage by multi meter Voltage level conforming specification Improve input power source Is the tighten parts secured Is there any sign of breakage on the terminal panel Inverter external terminal mounting screw Is there any obvious rusty condition Visual inspection Use screwdriver to verify screw tightness No abnormality Tighten loose screw o...

Страница 47: ...Clean out internal dust and dirt 2 Check out mounting screws on every terminal and parts Tighten loose screws 3 Dielectric strength test a Remove all conducting wires between VAT20 and outside world Power must be turned OFF b The dielectric strength test inside VAT20 should be carried out only for VAT20 major circuitry Use DC 500V high resistance meter Measured resistance should be higher than 100...

Страница 48: ...son of the instrumentation and the high frequency wave Refer to following diagram for measurement V1 V1 W1 A1 L1 L T1 U L2 T2 V L3 N T3 W SPEED DRIVE S U P P L Y Moving iron type Voltmeter W2 A2 W3 A3 V2 M 3ph W4 A4 W5 A5 W6 A6 V2 Rectifier type Voltmeter W1 Electrodynamometer type power meter to W6 A1 Moving iron type Ammeter to A6 ...

Страница 49: ...K7 U20AF2K2 170x221x38 U20N1K5 U20N2K2 U20AF2K2X 171x221x38 U20X0K7 U20X1K5 U20X2K2 4 5 DIN RAIL Specification 1 Model Dimensions VAT20 model U20AR0K7 130x72x7 5 U20N0K2 U20N0K4 U20N0K7 U20N1K5 U20N2K2 U20X0K7 U20X1K5 U20X2K2 4 6 Dynamic Braking resistor Specification 1 VAT20 Model Motor kW HP Braking resistor Braking resistor 3 U20N1K5 1 5 2 TLR100P200 DB2F22C U20N2K2 2 2 3 TLR75P200 DB2F22C U20X...

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