Inovance MD300A-S0.2BA Owner'S Manual Download Page 63

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Communication fault

Whether the upstream device and

the relevant cables have problem

Whether the Baud rate and communication

parameters have been correctly set

Seek for technical support from

the manufacturer or the agent

Check the upstream

device and 485 cables

Reset the communication

parameters

Communication fault

Whether the upstream device and

the relevant cables have problem

Whether the Baud rate and communication

parameters have been correctly set

Seek for technical support from

the manufacturer or the agent

Check the upstream

device and 485 cables

Reset the communication

parameters

Fig. 7-13 Communication fault (ERR16)

Current detection fault

Check if the flat cables in the inverter are loose

Whether normal state is recovered after

the control board is replaced

Contact the agent In the
case of driver board fault

Properly connect

the relevant cables

Fault of control board

Current detection fault

Check if the flat cables in the inverter are loose

Whether normal state is recovered after

the control board is replaced

Contact the agent In the
case of driver board fault

Properly connect

the relevant cables

Fault of control board

Fig. 7-14 Current detection fault

Summary of Contents for MD300A-S0.2BA

Page 1: ...parameter adjustment abnormal problems diagnosis and daily maintenance of the inverter Please carefully read the manual before the installation and keep it safe for future maintenance reference Special precautions as follows Do remember to cut off the power supply upon wiring After cutting off the AC power do not touch the internal parts and components until at least 5 minutes later since it takes...

Page 2: ...______________ 5 2 4 Technical Specification_______________________________________________ 5 2 5 Outline and installation dimension ______________________________________ 7 2 6 Recommended line diameter and peripheral accessories____________________ 9 Chapter 3 Equipment Installation ________________________________________________ 10 3 1 Mechanical installation___________________________________...

Page 3: ...____________________ 29 Chapter 7 Fault Diagnosis and Countermeasures __________________________________ 50 7 1 Fault Alarm and Countermeasures ______________________________________ 50 7 2 Common Faults and the Fault Diagnosis _________________________________ 61 ...

Page 4: ...combustible surface like metal and keep away from flammable substances Otherwise it may cause fire 4 When more than two inverters are to be installed in one cabinet please pay attention to the installation locations to ensure the cooling effect 5 The input power cables R S T or L1 L2 DC bus braking units PB and motor outlet wires U V W shall be correctly connected otherwise the inverter will be da...

Page 5: ...be installed at the output side of the inverter otherwise the inverter may have transient over current and may be damaged Since the output voltage of the inverter has some harmonics it is normal that the temperature may rise and the noise and vibration may increase compared with the inverter running at main frequency 6 When the altitude is higher than 1000m the cooling effect of inverter is deteri...

Page 6: ... inverter the user must pay attention to the following points for temporary long term storage of inverter 1 It is recommended to store the inverter in its original packing box The storage temperature shall be between 20ºC and 60ºC with the humidity not more than 95 RH 2 Long term storage will cause deterioration of electrolytic capacitor Therefore inverters long time not in service must be powered...

Page 7: ...t Digital input communication port Description of mark Mark Without braking unit With braking unit Inverter series Mark Voltage level Single phase 220 V Three phase 380 V Adaptive motor power Mark Motor power Mark Description of mark With only digital input terminal Digital input analog input Digital input communication port Description of mark Mark Without braking unit With braking unit Fig 2 1 N...

Page 8: ...arrier frequency can be adjusted automatically according to the temperature rise Frequency resolution Digital setting 0 1Hz Analog setting Maximum frequency 0 1 Control mode Open loop vector control SVC V F control Start torque 0 5Hz 150 Speed control range 1 100 SVC Speed accuracy 0 5 SVC Overload capability 150 rated current for 60s 180 rated current for 1s Torque boost Auto Torque boost Manual ...

Page 9: ...nication terminal Input output characteristic Output terminals A digital open collector output terminal A fault relay output terminal An analog output terminal AO Output voltage range 0 10VDC Display and keypad operation LED display Be able to display 7 parameters setting frequency output frequency output voltage and current etc Protection function Overcurrent protection Overvoltage protection Und...

Page 10: ...e Control terminal barcode Main circuit terminal Keypad knob Upper cover Lower cover Nameplate Control terminal Barcode Main circuit terminal Keypad Knob Upper cover Lower cover Name plate Fig 2 3 Outline of inverter 2 Dimension of Installation Holes ...

Page 11: ...8 Fig 2 4 Outline and installation dimension of the inverter ...

Page 12: ...it breaker contactor and line diameter of leading wire Table 2 4 Instruction for peripheral electric component selection Inverter model Circuit breaker MCCB A Contactor A Main circuit leading wire at input side mm2 Main circuit leading wire at output side mm2 Control loop leading wire mm2 Grounding wire mm2 MD300A S0 2BA 10 10 2 5 2 5 0 75 2 5 MD300A S0 4BA 16 10 2 5 2 5 0 75 2 5 MD300A S0 7BA 16 ...

Page 13: ...nverter based on the voltage class as shown in the following table Terminals Name Description L1 L2 Power input terminals for single phase 220V inverter To connect to the AC 220V power supply R S T Power input terminals for three phase 380V inverter To connect to the AC 380V three phase power supply Negative and positive terminals of DC bus The output point of the DC voltage which can connect to t...

Page 14: ...ation of the braking resistor shall be conducted according to the parameters provided in the documents of our company The wiring distance shall be less than 5m The MD300A inverter has built in braking unit and the external braking resistor shall be connected to the terminal or PB terminal 3 The following figures are commonly used wiring schemes Braking resistor Single phase input power supply Brak...

Page 15: ...tion input port Control terminals Note The common reference for the analog and digital terminals is COM and there is t GND terminal 1 The MD300A has two kind of user interface boards and the customers must select which they want in the order One is with communication function and the other with analoge input function The control terminals on the boards are arranged as following separately ...

Page 16: ...supply COM 24V Analog digital input signal common terminal 24V power supply COM The common terminal for all the digital and analog input signals 24V The power supply for external control system Analog output AO Analog output The analog output will output 0V 10V For details please refer to the function description in F0 14 F3 12 and F3 13 Digital output DO Digital output Open circuit collector outp...

Page 17: ...ignals are inputed The resistance of the potentiometer shall be higher than 3KΩ and its power rate shall be more than 1 4W It is recommended to adopt the potentiometer with resistance ranging from 5K to 10KΩ Note In the above three schemes of analog signal input all the signals will be regulated through the internal circuit Therefore all the input signals are converted into voltage signals of 0V 1...

Page 18: ...ey Digital modification key Function indicator Unit indicator Enter data confirm key Shift key Potentiometer Stop key Reset key Fig 4 1 Operation Panel Schematic Diagram 1 Function indicators description RUN If it is ON it indicates that the inverter is in running status LOCAL REMOT Keypad and remote operation terminal and communication control indicator If it is ON it indicates that the inverter ...

Page 19: ...ce and the stop display interface It can also be used to select the modification bit of the parameters when setting the parameters QUICK The key is reserved for function expansion in the future but now its function is the same as that of the shift key RUN RUN In the keypad operation mode it is for running and operating the inverter STOP RE SET STOP RESET The key is for stopping the running when th...

Page 20: ...el menu if the parameter has no flash bit it means the function code cannot be changed and the possible reasons are 1 This parameter of the function code cannot be changed such as the actually detected parameter and running record parameter 2 This function code cannot be changed in running status and can only be changed when the inverter is stopped 3 This parameter value is the actually measured v...

Page 21: ...as 5 If the inverter is powered on again after power off the parameters displayed are defaulted as those selected before the power off 4 3 Auto Tuning of Motor Parameters Before running the inverter that has selected the vector control mode accurate motor nameplate parameters must be input MD300A inverter will configure the standard motor parameters according to the nameplate parameters Vector con...

Page 22: ...6 Stator resistance F1 09 Mutual inductance F1 07 Rotor resistance F1 10 Excitation current with no load F1 08 Leakage inductance Motor tuning is finished automatically If the motor cannot disconnect from its load set F1 11 to 1 static tuning and then press the RUN in keypad The inverter will measure the stator resistance rotor resistance leakage inductance mutual inductance and excitation current...

Page 23: ...rol SVC 1 Reserved 2 V F control 1 2 0 F0 01 Command source selection 0 Operation panel LED On 1 Terminal LED Off 2 Communication control 1 0 1 F0 02 Frequency source selection 0 Digital setting not memorize 1 Digital setting memorize 2 Pulse setting Dl4 input is valid 3 panel potentiometer setting 4 AI setting 5 Multi speed 6 Communication reference 1 3 2 F0 03 Auxiliary frequency source selectio...

Page 24: ...lti speed terminal 1 13 Multi speed terminal 2 14 Reserved 15 Acceleration and deceleration time selection 16 frequency reference switching between panel potentiometer and AI 17to 18 Reserved 19 UP DOWN setting clearance terminal and keypad 20 Running command switching terminal between panel control and terminal 21 Reserved When selecting PULSE any function of Dl4 is invalid and can only correspon...

Page 25: ...ed current 0 00A 655 00A 0 01 Depending on inverter model 20 F1 04 Rated frequency 0 0Hz 3200 0Hz 1 50 0Hz 21 F1 05 Rated speed 0rpm 30000rpm 1 1460 22 F1 06 Stator resistance 0 001Ω 65 535Ω 0 001Ω Depending on inverter model 23 F1 07 Rotor resistance 0 001Ω 65 535Ω 0 001Ω Depending on inverter model 24 F1 08 Leakage inductance 0 01 655 35mH 0 01mH Depending on inverter model 25 F1 09 Mutual induc...

Page 26: ...ient of vector control 50 200 1 100 35 F2 07 Filter time of speed loop V F control AVR selection 0 000s 5 000s 0 001s 0 002s 36 F2 08 Torque upper limit of vector control 5 0 200 0 0 1 150 0 37 F2 09 Deceleration over excitation gain 0 200 1 60 38 F2 10 Vibration suppressing gain 0 100 1 0 39 F3 Terminal Input and Output F3 00 Terminal control mode FWD REV 0 Two line mode 1 1 Two line mode 2 2 Thr...

Page 27: ...tion 100 0 100 0 0 1 0 5 52 F3 13 AO gain correction 10 00 10 00 0 01 0 93 53 F4 Start Stop Control Parameters F4 00 DC brake initial frequency at stop 0 0Hz 50 0Hz 0 1Hz 0 0Hz 54 F4 01 DC brake waiting time at stop 0 0s 36 0s 0 1 0s 0 0 0s 55 F4 02 DC brake current at stop 0 200 1 0 56 F4 03 DC brake time at stop 0 0s 36 0s 0 1s 0 0 s 57 F4 04 Braking utility rate 0 100 1 100 58 F5 Protection Fun...

Page 28: ...Acc overvoltage ERR05 6 Dec overvoltage ERR06 7 Overvoltage at constant speed ERR07 8 Control power supply fault ERR08 9 Under voltage fault ERR09 10 Inverter overload ERR10 11 Motor overload ERR11 12 Reserved 13 Output phase failure ERR13 14 Heatsink overheat ERR14 15 External fault ERR15 16 Communication fault EER16 17 Reserved 18 Current detection failure ERR18 19 Motor tuning failure ERR19 20 ...

Page 29: ...ion time 2 Jog deceleration time also used as the frequency decrease time during voltage compensation 0 1s 3000 0s 0 0 20 0s 7 9 F6 07 Run reverse control 0 Run reverse enabled 1 Run reverse disabled 1 0 8 0 F6 08 FWD REV dead zone time 0 0s 3000 0s 0 1s 0 0s 8 1 F6 09 Restart terminal enable selection 0 Invalid 1 Valid 1 0 8 2 F6 10 Preset frequency arrived checkout value 0 0 100 0 Maximum output...

Page 30: ... 19 Software version 00 00 99 99 0 01 Depending on the software version no 9 2 F7 Communication Functions F7 00 Baud rate 0 300BPS 1 600BPS 2 1200BPS 3 2400BPS 4 4800BPS 5 9600BPS 6 19200BPS 7 38400BPS 1 5 9 3 F7 01 Data format 0 No parity 1 Even parity 2 Odd parity 1 1 9 4 F7 02 Local address 0 247 0 broadcasting address 1 1 9 5 F7 03 Response time delay 0ms 20ms 1 2 9 6 F7 04 Communication timeo...

Page 31: ...28 FP 01 Parameter initialization 0 No operation 1 Default recovery 2 Fault clearance 1 0 1 1 0 ...

Page 32: ...ed if SVC is selected Refer to Section 4 3 for details F0 01 Command source selection Default 0 0 Keypad control LED On 1 Terminal control LED Off Setting range 2 Communication control LED flashes Select the command channels of the inverter The On Off of FWD REV LED on the panel indicates forward rotation or reverse rotation 0 Keypad control LOCAL REMOT LED is On Press the buttons such as RUN STOP...

Page 33: ...ut down 1 Digital setting memorize The initial value is equal to the value of F0 04 Digital preset frequency The setting frequency of the inverter can be modified with the and key or UP DOWN button of the multifunctional input terminal memorize means that current setting frequency can be stored when the inverter is shut down and the stored value is used as preset frequency when the inverter is rep...

Page 34: ... codes F3 2 F3 09 5 Multi speed setting If this parameter is selected the inverter will be in Multi speed running mode To determine the relation between the reference signal and the reference frequency F0 09 F0 12 input terminals and parameter F6 14 F6 17 shall be defined 6 Communication setting It means that the frequency is set by the outside control system via communication means F0 03 Auxiliar...

Page 35: ...l to the maximum output frequency the actual acceleration deceleration time is the same with the set acceleration deceleration time When the set frequency is less than the maximum output frequency the actual acceleration deceleration time is less than the set acceleration deceleration time Actual acceleration deceleration time set value set frequency maximum output frequency F0 07 V F curve settin...

Page 36: ...he speed change is determined by F3 01 parameter and is similar to the function of and keys on the keypad The selection of 0 and 1 via F0 02 determines whether the inverter will store the setting 8 Coast to stop If the inverter output is locked the motor stop is beyond the control of inverter It is often employed for the loads with high inertia and when there is no requirement for the stop time Th...

Page 37: ...mmon potential is COM The output voltage ranges from 0 10VDC Setting value Function Range 0 Running frequency 0 maximum output frequency 1 Setting frequency 0 maximum output frequency 2 Output current 0 2 rated current of inverter 3 PULSE input 0 0 F3 10 4 Panel potentiometer 0V 10V 5 AI 0V 10V 0V 24V 0mA 20mA F0 15 Start mode Default 0 0 Direct start when the DC braking start time is not 0 the DC...

Page 38: ...ted rotation Velocity Default 1460 Setting range 0rpm 30000rpm F1 06 Stator resistance Default Depending on inverter model Setting range 0 001 65 535Ω F1 07 Rotor resistance Default Depending on inverter model Setting range 0 001Ω 65 535Ω F1 08 Leakage inductance Default Depending on inverter model Setting range 0 01 655 35mH F1 09 Mutual inductance Default Depending on inverter model Setting rang...

Page 39: ...ing to the set acceleration time It will maintain this status for a period of time and will be decelerated to zero according to the set deceleration time At this point the rotation tuning is then over Operation description Set the function code as 2 press the ENTER button to confirm and press the RUN button for the inverter to conduct the rotation tuning Note The nameplate parameters of the motor ...

Page 40: ...easing the proportional gain or decreasing the integration time Excessive proportional gain or too small integration time will cause the system to vibrate Perform fine tuning if the factory parameters cannot fulfill the requirements increase the proportional gain first to prevent the system from vibrating and reduce the integration time to ensure the system has fast response characteristic and the...

Page 41: ...p is needed but there is no braking resistor Select AVR is always valid when there is braking resistor but there is no strict requirement for the deceleration time F2 08 Upper limit for torque Default 150 Setting range 5 0 200 When the system is under the vector control the upper limit for torque refers to the maximum output torque When the limit is set at 100 the maximum torque will be the rated ...

Page 42: ...g the inverter via external terminal 0 Two line running mode 1 the rotation direction of the motor is determined by the FWD and REV terminal commands 1 Two line running mode 2 The FWD is the enable terminal and the rotation direction is controlled by REV When the FWD is closed and the REV is opened forward rotation is enabled When the REV is closed reverse rotation is enabled The FWD shall be open...

Page 43: ...5 00V Setting range F3 02 F3 06 F3 05 Setting corresponding to the AI intermediate input 1 Default 50 Setting range 100 00 100 0 F3 06 AI intermediate input 2 Default 8 00V Setting range F3 04 F3 08 F3 07 Setting corresponding to the AI intermediate input 2 Default 80 0 Setting range 100 00 100 0 F3 08 AI maximum input Default 10 00V Setting range F3 06 10 00V F3 09 Setting corresponding to the ma...

Page 44: ...8V When the frequency equals to zero and to output 3V when the frequency reaches Maximum then the gain shall be as 0 50 and the zero offset coefficient shall be set as 80 F4 Group Start and stop control parameters F4 00 DC brake initial frequency at stop Default 0 00Hz Setting range 0 0 maximum frequency F4 01 DC brake waiting time at stop Default 0 0s Setting range 0 0s 36 0s F4 02 DC brake curre...

Page 45: ... at stop Brake waiting time at stop DC brake quantity Brake Time at Stop Output frequency Output voltage RMS value Running command Brake initial frequency at stop Brake waiting time at stop DC brake quantity Brake Time at Stop Fig 6 4 DC brake time at stop F4 04 Brake utility ratio Default 100 Setting range 0 to 100 This parameter is valid for the inverter with built in brake unit It can regulate ...

Page 46: ...ll capacity of the inverter to avoid overvoltage fault The bigger is the value the more powerful the suppressing capacity is For the load with small inertia the small value is recommended or it will slow down the system adjustment For the load with large inertia the big value is recommended otherwise there will be a poor suppressing effect F5 03 Overvoltage stall action value Default 130 0 Setting...

Page 47: ... decelerate until the voltage recovery F5 09 Inverter offload protection selection Default 1 Setting range 0 Disabled 1 Enabled Select whether to protect when the offload occurs or not When selecting the offload protection function and there is no load at the output end of the inverter the output frequency of the inverter will automatically reduce to 2Hz F5 10 Fault type 0 24 F5 11 Frequency at fa...

Page 48: ...ference Small Large The inverter derates the load capacity by 5 for every 1kHz above the default carrier wave frequency F6 04 Jog frequency Default 2 0Hz Setting range 0 0 Hz maximum frequency It is used to define the reference frequency and acceleration time of the inverter when jogging Follow the start mode 0 F0 15 direct start and the stop mode 0 F0 16 deceleration stop to start and stop the jo...

Page 49: ...ead zone time F6 09 Restart terminal enable selection Default 0 0 Enabled Setting range 1 Disabled This function code is used to enhance the security of the system If it is set as 0 it has two functions First if the running command exists when the inverter is powered on it must delete the running command to exit the running protection status Second if the running command still exists when the inve...

Page 50: ...ed Default 0 F6 12 STOP RESET function Default 0 0 The STOP function is invalid under the terminal control Setting range 1 The STOP function is valid under the terminal control The RESET function is valid under any status F6 13 Reserved Default 0 Multi speed 0 Default 0 0 Multi speed 0 is the value of F0 04 1 Multi speed 0 depends on PULSE value 2 Multi speed 0 depends on panel potentiometer F6 14...

Page 51: ...0BPS 6 19200BPS Setting range 7 38400BPS This parameter is used for determining the rate of the serial communication F7 01 Data format Default 0 0 No parity 1 Even parity Setting range 2 Odd parity The data formats set by the upstream device and inverter must be consistent otherwise it cannot communicate F7 02 Local address Default 1 Setting range 0 247 0 broadcasting address When the local addres...

Page 52: ... system may monitor the communication status FF Group Manufacturer Parameter reserved Note The manufacturer parameter maintains the important parameter information on the inverter The inverter cannot run normally or may be damaged permanently resulting from the unauthorized modification of such parameters it is strongly recommended that the user shall not attempt to enter into the manufacturer par...

Page 53: ...se contact the inverter agent or directly contact our corporation Faults of inversion unit Check if the output loop of the inverter has short circuit Whether the cable connecting the inverter and the motor is too long Check if the internal wirings of the inverterare loose Seek for technical support Y Y Y Remove the peripheral faul Install the reactor or output filter Secure the internal wires Faul...

Page 54: ...e Solve the power supply problem Select rotation speed tracing Connect internal wires V F control mode Acceleration overcurrent Check if the output loop of the inverter is grounded or short circuited with the earth Whether motor parameter identification is performed Whether the acceleration time is too short Whether the torque is manually boosted too much Whether the voltage is too low Whether the...

Page 55: ...Perform the motor parameter identification Remove the impact load Secure the links V F mode Deceleration Overcurrent Check if the output loop of the inverter has been grounded or short circuited Whether the motor parameter identification has been performed Whether there is impact load during the operation Whether the links between the control board and drive board are secured The inverter model is...

Page 56: ...lt Perform motor parameter identification Remove the impact load Secure the links constant speed overcurrent Check if the output loop of the inverter has the short circuit or leakage current Whether the motor parameter identification is performed Whether there is impact load during the operation Whether the links between the internal control Board and the drive board are secured The inverter model...

Page 57: ...tall braking resistor Increase the acceleration time Install the braking resistor Acceleration overvoltage Whether the input voltage is too high Whether there is external force driving the motor during the operation Whether the acceleration time is too short Whether the braking resistor is installed Seek for technical support from the manufacturer or supplier Adjust the voltage to normal Remove th...

Page 58: ...all braking resistor Increase the acceleration time Install the braking resistor Deceleration overvoltage Whether the input voltage is too high Whether there is external force driving the motor during the operation Whether the acceleration time is too short Whether the braking resistor is installed Seek for technical support from the manufacturer or supplier Adjust the voltage to normal Remove the...

Page 59: ...nal force or install braking resistor Figure 7 7 Constant speed overvoltage ERR07 Undervoltage fault Whether there exists transient power cut Check if the input end voltage of the inverter exceeds the allowable range Whether the control board has been restored Seek for technical support from the manufacturer or the supplier Inverter reset Adjust the voltage to normal Fault of control board Undervo...

Page 60: ... is too large The inverter model is too small Modify the parameters Reduce the load Motor overload Whether the setting of the motor protection parameter F5 01 is correct Whether the load is too large The inverter model is too small Modify the parameters Reduce the load Figure 7 9 Motor overload ERR10 ERR11 ...

Page 61: ... the manufacturer and the supplier Restore the wire Replace the motor Drive board fault Output phase loss Check if the wire connecting the inverter and the motor is disconnected Check if there is a phase loss on the motor Check if the output voltage is balanced when running with no load Seek for technical support from the manufacturer and the supplier Restore the wire Replace the motor Drive board...

Page 62: ...ule overheat ERR14 Er r 15 Press STOP button to stop in the non keyboard operation mode or not Peripheral equipment fault Yes Reset running Input peripheral fault signal via multifunctional terminal DI or not No Yes Use STOP in stall Yes Reset running Check and remove peripheral fault No Er r 15 Peripheral equipment fault Yes Reset running Input peripheral fault signal via multifunctional terminal...

Page 63: ...rom the manufacturer or the agent Check the upstream device and 485 cables Reset the communication parameters Fig 7 13 Communication fault ERR16 Current detection fault Check if the flat cables in the inverter are loose Whether normal state is recovered after the control board is replaced Contact the agent In the case of driver board fault Properly connect the relevant cables Fault of control boar...

Page 64: ...osis The following faults may probably occur during the use of the inverter please refer to the methods described below to perform the fault analysis 1 No Display after power on 1 Check with multimeter if the input power supply of the inverter is consistent with its rated voltage If there is something wrong with the power supply please check and remove it 2 Check if the bus voltage is normal if no...

Page 65: ...ltage the drive board or output module may have been damaged Please seek for technical support 4 Upon power on it is displayed that the inverter is normal but after it starts running the circuit breaker of the power supply trips 1 Check if short circuit occurs between the output modules If yes seek for technical support 2 Check if there exists short circuit or earthing between the motor lead wires...

Page 66: ...ages caused by improper operations against the user s manual e Faults or damages caused due to external obstacles for instance resulting from peripheral equipment 3 Once problems or damages arise please fill out the Warranty Card correctly and in detail 4 Fees are charged according to the latest Service Rate Sheet of our company 5 Generally the warranty card will not be reissued please keep it saf...

Page 67: ...64 Warranty Card Add Name Contact person Customer Information Post Code Tel Product Model Bar code pasted here Product Information Name of agent Faults Description Maintenance time and details ...

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