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Preface

1. 15 27 a ha A5 meo u Nv A 1 D 7 STIN y 353 e a D Ne J M ON 7 N n x koaa Ne or oe S pe kaa l y eo 27 70 7 M 76 E Fig 2 8 Schematic Diagram for Physical Dimensions of External Keyboard Fig 2 9 Schematic Diagram for Mounting Hole Dimension of External Keyboard 3 Schematic Diagram for Dimension of External Reactor e gt Fig 2 10 Schematic Diagram for Dimensions of External Reactor See Oe Product Information MD280 MD280N User Manual Table 2 6 External Reactor Dimension Table mm Connectio n Diameter Inverter Mode C Hole of Copper Medal MD280T75G 90P_ 90G 110P s 160 190 125 161 192 255 195 10 15 p12 110G 132P MD280T132G 160P 160 190 125 161 192 255 195 10 15 p12 160G 200P MD280T200G 220P 190 230 93 128 250 325 200 13 18 p15 220G 250P MD280T250G 280P 190 230 93 128 250 325 200 13 18 p15 280G 315P MD280T315G 355P 355G 400P 224 250 135 165 260 330 235 p14 400G 450P Caution Non standard may be ordered for special requirements External DC reactor installation mode MD280 series inverter of more than 75kW produced by Inovance all employs standard external DC reactor which is packed in independent wooden box and delivered together with the inverter When mounting the inverter the user needs to remove the short circuit bus between the terminals P and of the main circuit of the inverter a
2. cccccsssssseeeeeeseessssseeeeeeeeeeeeees 62 4 1 Introduction to Operation and Display Interface 62 4 2 Description of Function Code Viewing and Modification WIGTMOO cansesituddewnewlceutcanvals eanuaasou nausea a 63 4 3 Viewing Method of Status Parameter ccsssccssseseeseeeees 64 AA P ssword SOWING rescewessccesccecededawvcencectecasecsestansetaecedesensas 65 Chapter 5 Function Parameter Table ssccseeeeeseesseeseeeeeseeeeeeees 68 Chapter 6 Parameter DeSCriptiOn ccccccssssseeeeeeeeessesseeeeeeeeeeeeees 108 Group FO Basic Function Group eeesceeseeeseenseeneeeseeeeeenes 108 Group F1 Motor Parameter V F Control Parameter 118 Group F2 Input Terminal scsdscsveverenietsnccaiwenedenctspteaceseansceie 125 Group FS OUUDUL Termiha sisanra aisa a 138 Group F4 Start Stop Control cccsscesscesecssecnseeneeneeenseenees 144 Group F5 Auxiliary FUNCtION cccscesseeesseessseessenseeeeeeeaes 153 Group F6 Process Control PID Function Parameters 162 Group F7 Swing Frequency Fixed Length and Counting 166 Group F8 MS Speed Function and Simple PLC Function 174 Group FI RESENO aarne aa A 179 Group FA Communication Parameters c ccsscsseesessseeeees 179 Refer to MD280F Serial Communication Protocol for details 179 Group FB Overload and Protection ccsscssssseeeseeesensenees 17
3. Adjusted Setting Frequency Hz Frequency ae Skip Frequency Amplitude Skip Frequency ji Skip Frequency Amplitude ri ci Frequency Rising F Frequency Setting Signal Fig 6 16 Schematic Diagram for Skip Frequency Dead zone time of Forward and reverse rario default value rotations 0 0s to100 0s It refers to the transit time at the zero frequency output point when the inverter switches between forward rotation and reverse rotation The dead zone time is as shown in Fig 6 13 Output Frequency Hz Forward Rotation j Reverse Rc Dead Zone Time Fig 6 17 Schematic Diagram for Dead Zone Time of Forward and Reverse rotations 155 Parameter Description MD280 MD280N User Manual Reverse rotation Factory default AEN value Setup 0 Reverse rotation enabled value all Reverse rotation disabled 0 Reverse rotation enabled It can control the reverse rotation of the inverter through the keyboard terminals or communications 1 Reverse rotation disabled The reverse rotation control function is invalid when the inverter is under control of keyboard terminals or communications Remark Reverse rotation control disabled is valid for the jog running of the inverter Run with frequency below frequency lower limit Setup 0 Run with frequency lower limit range Delay to stop It is used to select the running status of the inverter when the setup frequency is lower than the frequency lower limi
4. 50 to 100 coefficie nt Over FB 03 voltage 0 to 100 1 stall gain Over voltage stall FB 04 120 to 150 130 protectio n voltage _ 98 MD280 MD280N User Manual Function code Over FB 05 current stall gain Over current FB 06 stall protectio n current Ground short circuit FB 07 protectio n upon power o n Load fault FB 08 protectio n function Transien t stop FB 09 non stop function selection Transien t stop non stop FB 10 frequenc y reductio n rate Minimu m Unit Setup Range 0 to 100 1 100 to 200 1 0 Invalid 1 Valid 0 Invalid 1 Valid O Invalid 1 Valid 0 00HZz s to maximum frequency FO 04 s _ 99 0 01HZz s Function Parameter Table Factory Default Change Value 1 150 10 00HZ s Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default Value Transien t stop non stop FB 11 voltage 0 00s to 100 00s 0 01s 0 50s recovery judgmen t time Transien t stop FB 12 nom stOP 60 0 to 100 0 action judgmen t voltage FB 13 relay action selection 0 No action FB 14 during 1 Action fault auto reset period Fault auto 0 1s to 60 0s reset interval Fault FB 16 0 1h to 1000 0h auto 100 MD280 MD280N User Manual a FB 17 FB 18 FB 19 FB 20 reset times clearing time Input phase fault protectio n selection
5. Action selection at the Factory default arrival of running time value Setup 0 Continue to run range It is the action performed by the inverter when the accumulated running time F7 12 reaches the setup running time F5 12 If the accumulated running time is larger or equal to the setup running time and the running time arrival action is selected as Stop the inverter will report ERR26 fault indicating that the running time is reached and the inverter cannot start running This fault cannot be reset and the inverter cannot run until setting is performed according to the following three ways 1 Select the running time arrival action as Continue to run 2 Set the setup running time F5 12 to Oh and cancel the timing function 3 If timing remains set the setup running time F5 12 to a timing duration that is higher than the accumulated running time F7 12 Caution If it does not perform timing running please set this parameter value to Continue to Run ara Poe A default value a 157 Parameter Description MD280 MD280N User Manual This parameter is used to improve the safety protection coefficient If it is set to 1 it has two functions 1 The running command exists upon power on of the inverter It must cancel the running command to eliminate the running protection status 2 If the running command still exists when the inverter fault is reset it must cancel the running command to
6. Swing frequency cycle It defines the time of a whole cycle for rising and falling of the swing frequency The triangle wave rising and falling time is as shown in Fig 6 22 Triangle wave rising time Swing frequency cycle F7 03 times triangle wave rising time coefficient F7 04 unit s Triangle wave falling time Swing frequency cycle F7 03 times 1 triangle wave rising time coefficient F7 04 unit s Remark When the inverter is running with swing frequency if the center frequency changes it stops swinging until the inverter running from the current center frequency to the changed center frequency Caution When the inverter is running with swing frequency if the center frequency changes it stops swinging until the inverter running from the current center frequency to the changed center frequency 167 Parameter Description MD280 MD280N User Manual Factory defalult F7 05 Setup length 1000m Setup range Om to 65535m Factory defalult Setup range Om to 65535m Number of pulses per Factory defalult meter value Setup range 0 1 to 6553 5 The three parameters such as setup length actual length and number of pulses per meter are mainly used for fixed length control The length is calculated through the pulse signal input via the input terminal DI and it needs to set the corresponding input terminal to length counting input terminal It generally needs to use DI5 terminal input when the pulse frequency is relati
7. type The last fault type Frequen cy upon fault Current upon fault Bus voltage upon fault Input terminal status upon fault Output terminal status upon fault Under voltage Setup Range 60 0 to 140 0 Three phase 103 100 0 Minimu m Unit 0 1 Function Parameter Table Factory Default Value 100 0 Change X Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default points corresponding bus voltage of selection 350 0V Two phase corresponding bus voltage 200 0V Zero 0 0 to 300 0 current FB 29 100 0 correspondingmmotro detectio rated current n level Zero current FB 30 detectio 0 01s to 600 00s n delay time Group FC The second motor parameters The second Model FC 00 motorrat 0 2Kw to 1000 0kW 0 1kw d dependent e The second Model FC 01 motor OV to 480V 1V dependent rated voltage The second Model motor 0 1A to 6553 5A 0 1A dependent rated current the ooi to maximum frequency 0 01Hz 104 MD280 MD280N User Manual Minimu Function code Setup Range m Unit FC 04 FC 05 FC 06 FC 07 FC 08 second motorrat ed frequenc y No load current The second stator resistan ce The second Torque hoist The second slip compen sation coefficie nt Oscillati on suppres sion gain of The se
8. Operation shall be performed by the professional engineering technician Otherwise there will be danger of electric shock There shall be circuit breaker between the inverter and power supply Otherwise there may be fire Make sure the power is disconnected prior to the connection Otherwise there will be danger of electric shock The earth terminal shall be earthed reliably Otherwise there may be danger of electric shock Do not connect the input power cable to the output ends U V and W Otherwise it may damage the inverter Ensure the wiring meet the EMC requirements and the local safety standard The wire size shall be determined according to the manual Otherwise accident may be caused The brake resistor cannot be directly connected between the DC bus terminals and Otherwise it may cause fire The shiled wire should be used for encoder and the shielding layer shall be earthed reliably 11 Safety and Precautions MD280 MD280N User Manual 1 1 4 Before Power on Please confirm whether the power voltage class is consistent with the rated voltage of the inverter and whether the I O cable connecting positions are correct and check whether the external circuit is short circuited and whether the connecting line is firm Otherwise it may damage the inverter The cover must be well closed prior to the inverter power on Otherwise electric shock may be caused The inverter is free from dielectric test
9. Output phase fault protectio n selection Inverter module radiator temperat ure The first fault type O Invalid 1 Valid O Invalid 1 Valid 10 C to 100 C 0 No fault 1 Reserved 2 Speed up over current ERRO2 3 Speed down over current ERRO3 4 Constant speed over current ERRO4 5 Speed up over voltage ERRO5 6 Speed down over voltage ERRO6 101 Minimu Function Parameter Table Factory Default Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default T Constant speed over voltage ERRO7 8 Buffer resistance overload fault ERRO8 9 Under voltage fault ERROQ 10 Inverter overload ERR10 11 Motor overload ERR11 12 Input phase fault ERR12 Output phase fault ERR13 Radiator overheating ERR14 External fault ERR15 Communication fault ERR16 Contactor on off fault ERR17 18 Current detection fault ERR18 19 Motor tuning fault 20 Reserved ERR20 21 EEPROM read write fault ERR21 22 Reserved 23 Motor to ground short circuit fault ERR23 24 Reserved ERR24 25 Reserved ERR25 26 Running time arrival ERR26 31 Software over current fault CERR31 40 Fast current limit and overtime fault ERR40 41 Swithing motor fault ERR411 102 MD280 MD280N User Manual Function code FB 21 FB 22 FB 23 FB 24 FB 25 FB 26 FB 27 FB 28 The second fault
10. Reduce the conduction interference flowing from the power end to the inverter thus improving the anti interference capacity of the inverter Improve the power factor of the input side Improve the overall efficiency and thermal stability of the inverter 3 Effectively reduce the influence of high order harmonics at the input side on the inverter and reduce the external conduction and radiation interference The inverter output side generally has higher harmonic When the motor is far from the inverter since there are many capacitors in the circuit certain harmonics will cause resonance in the circuit and bring in the following results 1 Degrade the motor insulation performance and damage the motor for the long run Generate large leakage current and cause frequent inverter protection action In general if the distance between the inverter and the motor exceeds 100 meters output AC reactor shall be installed 48 MD280 MD280N User Manual Mechanical and Electrical Installation 3 2 3 Wiring mode Brake Resistor QF h Single phase 220W Input Power z pa Earth Connection Multifunctional Digital Input Terminal ews es ee Multifunctional Digital Input Terminal 2 JAI Voltage and current input selection Multifunctional Digitpl Input Terminal 3 J2 Al2 Keyboard potentiometer selection Multifunctional Digitpl Input Terminal 4 J3 4 0 Output voltage current selection Multifunctional Digital Input Terminal 2 MD RO 4
11. Single phase power input Connect to the AC single phase 220V power supply terminal Negative and positive Shared DC bus input point terminals of DC bus braking resistor Output terminal of inverter Lis L2 Connecting terminal of PB Connect to the braking resistor Connect to the three phase motor Grounding terminal Grounding terminal 2 Description of main circuit terminals of three phase inverter 53 Mechanical and Electrical Installation MD280 MD280N User Manual Three phase power input Ry os i Connect to the AC three phase 380V power supply termina Negative and positive Shared DC bus intput point Connect to the external terminals of DC bus brake unit above 37G 45P Connecting terminal for Connection points for the brake unit of of below 37G 45P brake resistor Connecting terminal for Connect to the external reactor external reactor Output terminal of Connect to three phase motor inverter Grounding terminal Grounding terminal 1 Wiring Precautions a Input power supply terminals L1 L2 R S or T There is no sequence requirement for the wiring at the Input side of the inverter b DC bus and terminals The DC bus and terminals still have residual voltage at the time of power off Do not touch the equipment until the charge LED is OFF and the voltage measured with multimeter is less than 36V When selecting external brake components for the inverter of above
12. is MS Speed Refer to 13 4 terminal 1 terminal 2 1 MS terminal 3 speed Speed up speed down time selection terminal UP DOWN setup clearing terminal and keyboard DC brake terminal at stop Fig 6 4 for details MS zero is seleted by function code of F8 00 With this terminal it can implement switching between speed up speed down time 1 and speed up speed down time 2 When the terminal command is invalid the speed up speed down time 1 is selected by default when the terminal command is valid the speed up speed down time 2 is selected When the frequency source FO 01 is given as Digital Setup and the terminal command is valid it can clear the frequency values changed through keyboard or terminals UP DOWN and restore the reference frequency to the setup value of Preset Frequency FO 03 When this terminal is valid it must implement DC brake at stop immediately according to the brake current at stop as set in F4 13 function code At this time the RUN indicator lights displaying a frequency of OHz 127 Parameter Description MD280 MD280N User Manual Setup vame Function Description When this terminal command is valid it can maintain the current frequency output while stopping When this terminal command is valid the 20 PID pause PID stops adjustment and the inverter maintains the current frequency output When this terminal command is valid it clears the mem
13. to 100 0 n limit PID 0 Stop without operation F6 10 operatio 1 Operation upon stop n mode Swing 0 Relative to the center frequency frequency F7 00 1 Relative to the maximum setup frequency mode Swing F7 01 frequency 0 00 to 100 0 amplitude Kick F7 02 frequency 0 0 to 50 0 amplitude Swing F7 03 frequency 0 01s to 300 00s cycle Triangle wave F7 04 0 1 to100 0 boost time 90 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default m Unit eee Setup F7 05 Om to 65535m length Actual F7 06 Om to 65535m length Pulse F7 07 numberper 0 1 to 6553 5 meter Setup F7 08 counting 1 to 65535 value Designate F7 09 d counting 1 to 65535 value Load speed F7 10 0 0001 to 6 5000 display coefficient 0 No decimal place Decimal 1 One decimal place F7 11 point position 2 Two decimal places 3 Three decimal places Accumulat F7 12 ed running Oh to 65535h time LED running F7 13 1 to 65535 display parameter _Q Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default LED stop F7 14 display 1 to 511 parameter 0 MF K invalid 1 Switching between the operation panel command channel and the remote command MF K key channel terminal command F7 15 function selection channel or serial port command channel 2 Switching between forward and reverse rotation 3 Forward jog
14. 0 to 300 0 range 100 0 corresponding motor rated current l F Zero current detection delay pa time value range When the motor is running if the current of the inverter is below FB 29 and the continuous time arrive FB 30 the DO output the zero current is detected DO 18 188 MD280 MD280N User Manual Parameter Description Group C The Second Motor Parameter F fault Model Rated power ee ault odel dependent FC 00 Setup range 0 2kW to 1000 0kW Factory default Model dependent Setup range OV to 480V Factory default Model dependent Setup range 0 1A to 6553 5A Rated Factory default Model dependent FC 03 frequency value Setup range 0 00Hz to maximum frequency FO 04 No load current FAON delay Model dependent FC 04 value Setup range range Setup range 0 1A to 6500 0A Stator Factory default Setup range 0 0010 to 65 5350 The function code defines the parameter of the second motor please refers to F1 00 to F1 03 F1 15 F1 16 for details Caution As The motor selection can be determined via DI terminal function 32 and stwiching of the first motor the second motor 2 V F curve of No 2 motor is linear by default Factory default o Setup range 0 0 auto to 30 0 Please refer to the description of function code F1 05 Factory Slip compensation coefficient default value Setup range 0 0 to 200 0 Please refer to the description of fu
15. 0 00s No detection 0 01s to 600 00s When the current exceed the software over current point F5 25 and the continuous time arrive the software over current detection delay time F5 26 the reported fault ERR31 software over current fault Dead zone Factory compensation mode default selection value Pompt Use mode of 0 below 200Hz otherwise use mode 1 Factory Cooling fan control default value Software over current detection delay time Setup value Cooling fan runs at motor econ Soup TANJE Cooling fan runs after 161 Parameter Description MD280 MD280N User Manual Group F6 Process Control PID Function Parameters PID control is a common method used in process control Through the proportional integral and differential calculation on the differences between feedback signal of the controlled parameter and signal of the target parameter PID control adjusts the output frequency of the inverter and forms negative feedback system making the controlled parameter stabilized on the target parameter PID control applies several process controls such as flow control pressure control and temperature control The schematic diagram for control is as shown in Fig 6 20 Target Quantity rT J Tase ail Deviation LO Lmt Feedback Quantity Fig 6 20 Schematic Diagram for Process PID PID reference source actor default value 3 PULSE DI5 It is used to select target parameter reference channel o
16. 45kW note that the connecting polarity must be correct or the inverter may be damaged and even fire accident may occur The wire length of the brake unit shall not be longer than 10 meters Twisted wires or pair wires shall be used and connected in parallel Do not connect the braking resistor directly to the DC bus otherwise the inverter may be damaged and fire may be caused c Connecting terminals and PB of brake resistor The connecting terminals of the brake resistor are enabled only for the inverter of below 37G 45P with built in brake unit The recommended wiring distance for the brake resistor shall be less than 5m Otherwise the inverter may be damaged _ 54 MD280 MD280N User Manual Mechanical and Electrical Installation d Connecting terminals P and of external reactor When assembling the inverter of above 75G 90P with external reactor it needs to remove the connector between terminals of P and and connect the reactor between them instead e Inverter output sides U V and W The inverter output side cannot connect to the capacitor or surge absorber otherwise the frequent inverter protection may be caus ed or the inverter may be damaged If the wire between the motor and the inverter is too long electrical resonance may be caused due to the influence of the distributed capacitance thus damaging the motor insulation or produce large leakage current to trigger inverter over current protection
17. Acceleration over current ERR02 201 Fault Diagnosis and Countermeasures MD280 MD280N User Manual Deceleration over current Check if the output loop of the inverter is earthed or short circuited No oe es Prolong the deceleration If the deceleration time is too short fine y No Yes Adjust the voltage to If the voltage is too low normal range Yes If load is added suddenly Yes Remove the additional during the deceleration load y No If the brake unit and brake resistor are installed No Ask for technical support Fig 8 2 Deceleration over current ERRO3 Perform troubleshooting f E 0 gt n No Install the brake unit and brake resistor 202 MD280 MD280N User Manual Fault Diagnosis and Countermeasures Constant Speed over Current Perform troubleshooting Check if the output loop of the inverter is short circuited or has leakage curren No If load is added suddenly during the running N o Yes If the inverter load can be lightened gt Lighten the load j No The inverter model is rather small Fig 8 3 Constant speed over current ERR04 and install output reactor if the line is too long Remove the additional load 203 Fault Diagnosis and Countermeasures MD280 MD280N User Manual Acceleration over Voltage If the input voltage is too high No f there are external forces driving the motor to run during the acceleration pr
18. Enabled function selection RT Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default Value F5 21 Wake u Wake up frequency to maximum 0 01Hz 0 00Hz p frequency FO 04 frequenc y Sleep 0 00HzZ to maximum frequency 0 01Hz 0 00Hz F5 23 frequenc FO 04 y 0 0s to 6500 0s F5 24 F5 26 Software 0 00s not detection over cur 0 01s to 600 00s rent detectio n delay time F5 37 ne compen sation mode selection Cooling 0 Cooling fan startup of motor F5 25 Software 0 0 to 300 0 motor rated se over cur Current rent points running _ 88 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default m Unit Value control 1 Cooling fan running after power on Group F6 PID Function 0 F6 01 PID 1 Al1 referenc 9 Al2 1 Ww source 3 PULSE DI5 4 MS speed PID numeric 0 0 to 100 0 0 1 50 0 Ww al value setup PID referenc e 0 0s to 3000 0s change duration Alt PID Al2 feedbac PULSE DI5 Al1 Al2 k source PID Positive action 1 Negative direction PID referenc e 0 to 65535 feedbac k range 89 Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default onal gain P Integral F6 07 0 01s to 10 00s 0 01s time Different F6 08 ial time 0 000s to 10 000s 0 001s 0 000s D Deviatio F6 09 0 0
19. Frequen cy upper 0 00Hz to frequency upper limit FO 07 0 01Hz 0 00Hz limit FO 06 setup Speed u speed 0 s second FO 08 oe l down 1 m minute time unit F0 09 0 00s m to 300 00s m Speed d FO 10 own time 0 00s m to 300 00s m 1 Carrier FO 1 1 frequenc 0 5kHz to 16 0kHz y Running 0 Consistent direction direction 1 Reverse direction FO 12 70 MD280 MD280N User Manual Factory Minimu Function code Setup Range Default m Unit FO 14 FO 15 FO 16 ce frequenc y of speed u p speed down time Running frequenc y UP DO WN referenc e Auxiliary Frequen cy source Y selection Auxiliary frequenc y source Y selection at the time of overlap 1 Function Parameter Table Setup value 0 Running frequency 1 Setup frequency 0 Digital setup UP or DOWN can be modofied 1 Al2 PULSE setting DI5 MS speed PLC PID AI1 Al2 Alt Communication setup Relative to maximum frequency Relative to frequency source 71 Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default frequenc y source Y selection at the time of overlap 0 Main Frequen 7 Main auxiliary cy z F0 18 Main amp gt Auxiliary source Y P Main gt Main auxiliary selection 7 7 Auxiliary gt Main auxiliary Auxiliary frequenc y source 0 00Hz to Maximum frequency FO 20 d
20. S range 5 9600BPS S 6 19200BPS S 7 38400BPS o This parameter is used to set the the data transfer rate between the host computer and the inverter Caution The baud rate of the host computer and the inverter must be consistent Otherwise communication is impossible The higher baud rate is the faster communication is oM Data format Factory default value Setup No check data format lt 8 N 2 gt range ian parity check data format ia E i Pe format lt 8 O 1 gt When use the parity or odd parity the length of each byte is 11 bits which includes a start bit 8 data bits 1 parity bit and one end bit When use the no check the length of each byte is 11 bits which includes a start bit 8 data bits 1 parity bit and 2 end bits The data format of the host computer and the inverter setup must be consistent otherwise communication is impossible Local addr Factory 1 default value Setup range 0 to 247 0 is broadcast address The function code used to identify the local address of the inverter The local address is unique except the broadcast address which can realize the broadcast function of host computer Caution When the local address is set to zero that is the broadcast address which can only receive and perform the broadcast address of host computer but not respond to the host computer Response delay Factory default value Setup range Setup range 0 to 20ms Response delay It r
21. User Manual Parameter Description auxiliary frequency source FO 16 is used to determine the relative object of that range If it is relative to maximum frequency X that range will vary with the main frequency X ae ate E LEA value Man frequency source X plus auxiliary frequency source Y Switching between main frequency source X and auxiliary frequency source Y Switching between main frequency source X and main frequency source X plus auxiliary frequency source Y Switching between main frequency source Y and main frequency source X plus auxiliary frequency source Y This parameter is used to select the frequency reference channel Frequency reference is realized through combination of main frequency source X and auxiliary frequency source Y When 1 is selected the frequency source main frequency source X plus auxiliary frequency source Y can realize frequency overlapping function When 2 is selected it can switch between the main frequency source X and auxiliary frequency source Y via the multifunctional input terminal Frequency Source Switching When 3 is selected it can switch between the main frequency source X and main frequency source X plus auxiliary frequency source Y via the multifunctional input terminal Frequency Source Switching When 4 is selected it can switch between the auxiliary frequency source Y and main frequency source X plus auxiliary frequency source Y via the multifunctional input ter
22. correspond to 0 to 100 it can set the voltage to 2V to 10V accordingly Caution F2 11 and F2 17 cannot be selected as 1 at the same time or the corresponding setups of Al1 and Al2 will conflict and fail Factory PULSE input minimum frequency default value Factory default value Setup range 100 0 to 100 0 Factory Corresponding setup of PULSE input minimum frequency PULSE input maximum frequency default value Setup range F2 20 to 50 00kHz Factor PULSE input maximum frequency nee l default corresponding setup value 0 F224 Setup range Set by Al1 Set by Al2 136 MD280 MD280N User Manual Parameter Description Factory default value Setup range 100 0 to 100 0 Corresponding setup of PULSE input maximum frequency Factory PULSE input filtering time default value Setup range 0 00s to 10 00s This parameter defines the relationship between the pulse input and the typical setup value of pulse input when the input pulse is used as frequency source PULSE is similar to Al in terms of setup method When the frequency source is PULSE reference DI5 pulse reference can only be input via the multifunctional input terminal DI5 and DI5 is pulse frequency input function terminal by default and other settings are not required Caution The PULSE setup DI5 function of the frequency source FO 01 and the FMP pulse output function of the FM terminal F3 00 cannot be selected
23. eliminate the running protection status This can prevent the dangers caused by the automatic running of the motor under unexpected condition Factory Frequency detection default 50 00Hz value F5 15 0 00Hz maximum frequency Setup range F0 04 Frequency detection Factory hysteresis value FDT default hysteresis value Setup range 0 0 to 100 0 FDT level It is used to set the detection value of the output frequency and the hysteresis value upon release of the output action When the inverter running output frequency reaches FDT F5 15 DO or relay outputs frequency detection arrival signal till the output frequency falls below a certain frequency of FDT level FDT level F5 15 F5 16 as shown in Fig 6 5 i Output Frequency Hz i BAe E eee oe FDT Hysteresis Value PDT Level Frequency Arrival Detection Signal DO Relay l l Time Fig 6 18 Schematic Diagram for FDT Level Detection 158 MD280 MD280N User Manual Parameter Description Frequency arrival Factory default 0 0 F517 detection amplitude value 0 00 to 100 maximum frequency F0 04 This parameter is supplementary note to No 4 function frequency arrival of DO output in Group F3 When the output frequency of the inverter reaches the set frequency value this parameter can be used to adjust the detection amplitude when the output frequency of the inverter is in the detected width of positive and negative amplitudes o
24. frequency source is used as overlap reference i e frequency source selection switching from X plus Y or X to X plus Y it has special points as follows 1 When the auxiliary frequency source is digital reference the preset frequency F0 08 has no action and it needs to adjust the main reference frequency through the keys A and Y of the keyboard or UP and DOWN of multifunctional input terminals 2 When the auxiliary frequency source is analog input reference Al1 Al2 or pulse input reference 100 of input setup is relative to the auxiliary frequency source range refer to FO 16 and F 17 To adjust the main reference frequency it needs to set the corresponding setup range of analog input to n to n refer to F2 08 F2 19 3 When the frequency source is pulse input reference it is similar to the analog value Prompt There is difference between the auxiliary frequency source Y selection and the main frequency source X setup value That is to say the main and auxiliary frequency sources cannot use the same frequency reference channel Auxiliary Frequenc 3 i y Factory source Y relative default value value selection Setup Sw o Relative to maximum frequency Range Sw o Relative to frequency source X E E to 150 When the ae source selection is frequency overlap reference FO 18 is set to 1 or 3 it is used to determine the adjustment range of F0 17 source Y default value 116 MD280 MD280N
25. frequent over current control current tripping during the running process Quick current Minimize the over current fault protect normal operation of the limit inverter Peripherals It can conduct safety detections on the peripherals upon self detection ee power on including earth and short circuit detections upon power on Shared DC It can realize the function that multiple inverters share the DC bus function bus Programmable key Select the command channel switching forward and reverse rotations jog operation Textile swing frequency Multiple triangular wave frequency control function control Timing control function Setting time range between Oh to Timing control 65535 h Running Three types of channels operation panel reference control command _ terminal reference and serial communication port reference channel These channels can be switched in various modes There are totally eight types of frequency sources such as Frequency digital reference analog voltage reference analog current source reference pulse reference MS speed PLC PID and serial port reference MD280 MD280N User Manual Product Information olem O Specifications There are five digital input terminals one of which can be used as high speed pulse input There are two analog input Input terminal terminals Al1 can be used only as voltage input while Al2 can be used as voltage or current input It can be selected to keyboard pot
26. output frequency of the inverter a Factory Frequency upper limit Aad tales 0 FO 06 setting F0 06 setting Setup 1 JAM 4 range 2 AQ 3 Pluse setting DIS It is used to select the reference channel of frequency upper limit Frequency upper Factory 50 00Hz limit default value Setup Frequency lower limit F0 07 to maximum range frequency F0 04 It is used to set the frequency upper limit output by the inverter Factory Frequency lower default limit value Setup range 0 00Hz to frequency upper limit FO 06 It is used to set the frequency lower limit output by the inverter When the running frequency of the inverter is lower than the frequency lower limit it can select to run or stop the inverter at frequency lower limit Refer to F5 10 function code for details Speed up speed down time Factory default fo F0 08 a value Setup s second range _s second It is used to select the unit of Soeed up speed down time of the inverter It is valid for speed up time 1 FO 09 speed down time 1 FO 10 speed up time 2 F5 04 and speed down time 2 F5 05 112 MD280 MD280N User Manual Parameter Description Factory Speed up time 1 devie Model dependent Setup range 0 00s m to 300 00s m Speed down time 1 racor Model dependent default value Setup range 0 00s m to 300 00s m The acceleration time means the time t1 needed for the inverter to accelerate from O
27. reducing the carrier frequency may result in addition of motor noise Note that additional installation of reactor is also an effective method to remove the leakage current 2 The leakage current may increase following the addition of circuit current Therefore when the motor power is high the corresponding leakage current will be high too 2 Factors of producing leakage current between the cables and solutions There is distributed capacitance between the output cables of the inverter If the current passing the lines has higher harmonic it may cause resonance and thus result in leakage current If thermal relay is used it may generate error action The solution is to reduce the carrier frequency or install output reactor It is recommended that thermal relay not be installed before the motor when using the inverter and that electronic over current protection function of the inverter be used instead 7 3 6 Precautions for Installing EMC input filter at the input end of power supply 1 When installing the EMC input filter at the input end of the power supply it is recommended to use the EMC filter produced by Shanghai Eagtop Electronic Technology Co Ltd 2 When using the inverter please follow its rated values strictly Since the filter belongs to Classification electric appliances the metal enclosure of the filter shall be large and the metal ground of the installing cabinet shall be well earthed and have good conduction contin
28. respectively defined the time proportion between the S curve starting segment and finishing segment for S curve speed up speed down A 2 S curve speed up speed down B In the speed up speed down curve the motor rated frequency I IS always the point of inflexion on S curve As shown in 6 14 S curve is generally used in the applications where the high speed area above the rated frequency and short time speed up speed down When setup frequency is above the rated frequency speed up speed down time is 4 5 r EE T 9 b Where Refers to setup frequency ck Refers to motor rated frequency J T Refers to the time speed up from 0 to rated frequency 148 MD280 MD280N User Manual Parameter Description Initial segment time Factory default 20 0 F4 08 of S curve value o Setup value 0 0 to 100 0 Finishing segment Factory default l 20 0 time of S curve value Setup value 0 0 to 100 0 Function code of F4 08 and F4 09 can be respectively defined the time proportion between the S curve initial segment and finishing segment for S curve speed up speed down A And they meet the standard of F4 08 F4 09 lt 100 0 t1 in the Fig 6 13 is the parameters defined by F4 08 in this period of time which the changing slope of output frequency is larger and larger t2 is in the Fig 6 13 is the parameters defined by F4 09 in this period of time which the changing slope of output frequency change to zero The changi
29. restore the factory value and 0101H clear the recorded information which must be removed the password locking please refer to the parameter locking password check 4000H command addr If there is user password FP 00 is not zero write the correct user password for 4000H command address f there is no user password FP 00 is zero write zero to remove password locking for 4000H command address After the host computer is unlocked it gets the right of the communication restore the factory default value and communication clear the record information If there is no communication within 5 minutes the access right is invalid Re unlock so as to get the access right Read inverter status Read only Status word address Status word function 0001 Forward rotation 3000H 0002 Reverse rotation 0003 Stop Parameters locking password check If the return is the 8888H it indicates the password checksum pass Password address Contents of input password 4000H cial Parameter locking command Write only Address of locking Contents of locking password command password command 5000H 0001 Locking system command code 222 Digital output terminal control Write only Command word addr Command function Output control DO2 output control RELAY1 output control Reserved DO3 output control Analog output AO1 control Write only Command word addr Command function 7000H O 7ffff refers to 0 100 Pluse outpu
30. the process of designing MD series inverters This manual serves as the guide to MD 280 operation This manual II MD280 MD280N User Manual Preface provides the user with issues and guidance on model selection installation parameter setup onsite commissioning troubleshooting and routine repair and maintenance In order to use this series of inverters in a right manner please read this manual prior to operation and keep this manual properly for future reference The customers with supporting equipment shall distribute this manual together with the equipment to the final user Unpacking for Check Upon unpacking please confirm 1 If the model and inverter rated value on the nameplate are consistent as the order The box contains the equipment certificate of conformity user manual and warranty card 2 If the product is damaged during the transportation If there is any omission or damage please contact our company or the supplier immediately Use for the first time For the users who use this product for the first time please read this manual carefully prior to the use If you have any doubt on certain functions and performances please consult our technical support personnel for help so that you can use this product correctly This manual is subject to change without notice MD280 series inverter complies with the following international standards IEC EN 61800 5 1 2003 Safety Regulations on Speed Adjustable Electri
31. the frequency source to Al1 it is enabled only set FO 18 frequency _ selection to 0 29 DC brake at stop enabled 30 Keyboard command source switching 31 Terminal command source switching 32 Switch between the first motor and the second motor F2 05 filtering time 0 two line mode 1 Terminal 1 two line mode 2 F2 06 comman mode 2 three line mode1 3 three line mode2 Terminal UP DO F2 07 0 01Hz s to 100 00HZ s WN velocity Alt minimu 0 00V to F2 10 X m input Value TO MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default m Unit Value onding Setup of Al minimu m input A1 F2 10 maximu F2 08 to 10 00V m input A1 maximu m input 0 F2 12 F2 11 correspo 1 Set by Al2 nding setup A1 maximu F2 12 m input 100 0 to 100 0 correspo nding setup Al1 input F2 13 filtering 0 00s to 10 00s time Minimu F2 14 0 00V to F2 16 m input Al2 minimu F2 15 m input 100 0 to 100 0 correspo nding setup Bs ig ae Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default Value Al2 F2 16 maximu F2 14 to 10 00V m input Al2 maximu m input 0 F2 18 F2 17 correspo 1 Set by Al1 nding setup mode Al2 maximu F2 18 m input 100 0 to 100 0 correspo nding setup Al2 input F2 19 filtering 0 00s to 10 00s time PULSE input minimu F2 20 mn 0 00kHz to F2 22 0 01kHz 0 00kHz frequen
32. to range auto reset Fault auto reset times Factory default l 1 0h checkout time value 184 MD280 MD280N User Manual Parameter Description When the inverter runs for the Setup 0 1h to setup time of this parameter and range 1000 0h has no fault it will clear the times of auto reset to zero Factory Input phase fault protection default selection C ee Pr mwad oo O a MD280 series inverter above 18 5kW has input phase fault protection function For the inverter below 18 5kW including 18 5kW inverter the input phase fault protection function invalid Output phase faultprotection Factory selection default value 0 Invalid 1 Valid Inverter module radiator Factory default temperature value E S 40 C to 100 C Display Inverter E S module eae ae FB 20 The first fault type a FB 21 The second fault type 0 to 41 FB 22 The last fault type It records the latest 3 fault types for the inverter 0 means no fault and 1 to 41 correspond to ERRO1 to ERR41 Refer to Chapter 8 for the details Frequency Display the frequency upon upon fault the latest fault pee ra ee fault the latest fault Pes Serer marae upon fault the latest bus fault 185 Parameter Description MD280 MD280N User Manual This value is a decimal number lIt displays the status of all the digital terminals of the last fault in the following sequence BIT7 reserved reserv reserv DI5 DI4 DIS ed ed I
33. to prevent over current fault due to DC brake which starts at the time of higher velocity DC brake current at stop The DC brake quantity added shall be set according to the percentage setting of the rated current of the inverter The higher the brake current is more powerful the brake effect is DC brake time at stop It refers to the continuous DC brake time If this DC brake time is set to O it indicates that there is no DC brake process and the inverter will stop according to the set process of decelerating to stop DC brake at stop function must be enabled by the external terminal DI Refer to DC Brake at Stop Enable function of input terminal in Group F2 for details The process of DC brake at stop is as shown in Fig 6 15 151 Parameter Description MD280 MD280N User Manual Output Frequency Hz DC Brake Initial Frequency at Stop Time Output Voltage V Effective Value i DC Brake Waiting Time at DC Brake Quantity at Stop H Time Running Command 4 DC Brake Time at Stop Fig 6 15 Schematic Diagram for DC Brake at Stop Brake utilizati Factory default value 100 Setup range 0 to 100 It is valid for the inverter with built in brake unit It can be used to adjust the brake effect of the brake unit 152 MD280 MD280N User Manual Parameter Description Group F5 Auxiliary Function Factory Jog running frequency dela valie 2 00Hz 0 00Hz maximum frequency Setup range F0 04 Fac
34. 0 The stop function of STOP RE STOP RES key is valid only in the F7 16 Skey keyboard control mode function 4 The stop function of STOP RES key is valid in any control mode Software F7 17 version 0 01 to 655 35 No Group F8 MS speed and PLC 0 F8 01 reference 1 Alt MS 2 Al2 F8 00 eugene 3 pulse referenc 4 PID pode 5 preset frequency FO 03 reference UP DOWN can be changed 92 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default m Unit Value 100 0 to 100 0 frequency F8 01 0 0 speed 0 upper limit F0 05 100 0 to 100 0 frequency F8 02 0 0 speed 1 upper limit FO 05 100 0 to 100 0 frequency F8 03 0 0 speed 2 upper limit FO 05 100 0 to 100 0 frequency F8 04 l 0 0 speed 3 upper limit F0 05 100 0 to 100 0 frequency F8 05 0 0 speed 4 upper limit FO 05 100 0 to 100 0 frequency F8 06 0 0 speed 5 upper limit FO 05 100 0 to 100 0 frequency F8 07 0 0 speed 6 upper limit FO 05 100 0 to 100 0 frequency F8 08 0 0 speed 7 upper limit FO 05 0 Single running stop PLC 1 Single running counting remains F8 09 running mode the final value 2 Continuous circulation PLC power 0 Power fault without memory F8 10 fault 1 Power fault memory memory selection Running 0 s second time unit 1 h hour F8 12 0 0s h to 6553 5s h 0 1s h 0 0s h O42 F8 11 Function Pa
35. 0kO 1 Input voltage range DC OV to 10V can be customized as non standard 10VDC to Analog E 10VDC OmA to 20mA the selection of which inpu depends on jumper J1 on the control panel Analog input Al2 GND 2 Input impedance 20kQ at the time of voltage terminal 2 input 500Q at the time of current input 3 Keyboard potentiometer input It can switch between AI2 and external keyboard potentiometer via Jumper J2 DI1 COM 1 Digital Input 1 DI2 COM Digital Input 2 1 Optical coupling isolation _ 2 Input impedance 3 3kO DI3 COM Digital Input 3 Input DI4 COM Digital Input4 In addition to the characteristics of DI1 to DI4 it High speed can also be used as the high speed pulse input DI5 COM pulse input channel terminal Maximum input frequency 50kHz 56 MD280 MD280N User Manual Mechanical and Electrical Installation Terminal Type Terminal Function Description Name The voltage or current output is determined by Analog Analog Output AO GND jumper J3 on the control panel output 1 Output voltage range OV to 10V Output current range OMA to 20mA Terminal Type Terminal Function description name Optical coupling isolation dual polarity open collector output DO1 COM Digital output Output voltage range OV to 24V DO2 COM Output current range OmA to 50mA Digital When it is used as high speed pulse output the Output maximum frequency can reach 50kHz High speed When it is used as open collector outpu
36. 1 02 motor rated current 0 001Q to 65 5350 0 to 100 0 No operation Tuning Fa 1 MD280 MD280N User Manual Factory Default Value Model dependent Model dependent Model dependent gt MD280 MD280N User Manual we a F2 00 F2 01 F2 02 F2 03 F2 04 DI1 terminal function selection DI2 terminal function selection DI3 terminal function selection DI4 terminal function selection DI5 terminal function selection Group F2 Input terminal 0 None 1 Run forward FWD 2 RUN reverse REV Three line running control Forward jog FJOG Reverse jog RJOG Terminal UP Terminal DOWN Free stop Fault reset RESET 10 Pause during the operation 11 External fault input normally open 12 External fault input normally closed 13 MS speed terminal 1 14 MS speed terminal 2 15 MS speed terminal 3 16 Speed up speed down time selection terminal 17 UP DOWN setup clearing 18 Stop DC brake terminal 19 Speed up speed down disabled 20 PID pause 21 PLC status reset 22 Swing frequency pause 23 Counter input DI5 24 Counter reset ae bos Minimu m Unit Function Parameter Table Factory Default Value Change Function Parameter Table MD280 MD280N User Manual Factory Setup Range Default 25 Length counting input DI5 26 Length counting reset 27 Interchange of Al1 and Al2 settings 28 Switch
37. 5 D 5 393 Product Information MD280 MD280N User Manual Specifications Storage 20 Celsius to 60 Celsius temperature MD280 MD280N User Manual Product Information 2 5 Physical Appearance and Dimensions of Mounting Hole 2 5 1Product Appearance Upper Cover Plate Operation Panel Lower Cover Plate I O Port ji Bottom Mounting Hole Fan Inverter Nameplate Fig 2 1 Physical Appearance of Inverter Front Housing Operation Panel Middle Housing I O port Bottom Housing Fan Inverter Nameplate Bottom Mounting Hole Fig 2 2 Inverter Appearance of MD280N 25 Product Information MD280 MD280N User Manual Ox JQ Eaz L QO Sy i M SY ae bt Fig 2 5 Schematic Diagram for Physical Dimensions and Mounting Dimensions of MD280S0 4G to MD280T15G 18 5P ZRA FN l Wie W E WD Na S S AN NSH l Mi li mun UNAN Fig 2 6 Schematic Diagram for Physical Dimensions and Mounting Dimensions of MD280T18 5G 22P to MD280T400G 450P MD280 MD280N User Manual Product Information 3 D AT N Fig 2 3 Schematic Diagram for Physical Dimensions and Mounting Dimensions of MD280NT18 5G 22P to MD280NT400G 4
38. 50P BOTs Product Information MD280 MD280N User Manual 2 5 2 Mounting Hole Dimensions Table 2 3 Mounting Hole Dimensions of MD280 Series Inverter mm Mounting Diamet Physical Dimension Hole er of ee ed ae eo2s0so se ___ 4G MD280S0 7G sd TG woes es 2G moere __ 7G monse OG upaso 2G MD280T3 MD280T3 7G 5 5P 5P 236 158 165 eee ae 5G 7 5P Geena MD280T7 5G 11P 1P MD280T 11 MD280T11G 15P_ 5P oa 5G 18 5P ccc an 8 MD280T18 5G 22P MD280T22G 30P ee eerie MD280T45G 55P MD280T55G 75P A 678 700 473 307 MD280T90G 110P 10P a a 10G 132P 905 930 579 375 MD280T1 MD280T132G 160P 60P ienee aa 1168 E AeA 334 eee hee 1030 1060 MD280T250G 280P MD280T280G 315P MD280T315G 355P 1 i 1 Ka MD280T355G 400P MD280 MD280N User Manual Product Information Mounting Diamet Physical Dimension Hole er of ng Hole mD2soraoocasoe J Diamet Hole er of Mounti ng Hole MD280NS04G MD280NS0 4G 172 236 305 47 580 78 o 29 Product Information MD280 MD280N User Manual Mounting Diamet Physical Dimension Hole MD280NT110G 132P 449 MD280NT132G 160P MD280NT200G 220P K 520 Caution The mounting hole dimension of MD280 series inverter is not compatible with the MD280 inverter MD280 MD280N User Manual Product Information 1 Physical Dimensions of External Keyboard 2 Mounting Hole Dimensions of External Keyboard
39. 85 Interface Analog Output 0 10V0 20mA 424V Pulse Output FMP or fi requency Source 0 1 ov Open collector Optional Ois uency Source z O 10V i 3 Digital Output Terminal T A T BCRELAY 1 Fault Output by default Tic Fig 3 4 Schematic Diagram for the Wiring Connection of Single Phase Inverters of MD280S0 4G MD280S0 7G MD280S1 5G MD280S82 2G _ 49 Mechanical and Electrical Installation MD280 MD280N User Manual Brake Resistor QF _ _ On 0 Three phase 380W J aaa Input Power J rs a Ti ee l Dg Earth Connection Extemal Keyboard Interface Multifunctional Digital Input Terminal Multifunctional Digital Input Terminal 2 ch fa TAI Voltage and current input selection Multifunctional Higital Input Terminal 3 J2 A12 Keyboard poleatiometer selection Multifunctional Digital Input Terminal 4 13 AO Output vol agescurrent selection Multifunctional Cigital Input Terminal 485 Interface Analog LO 10 0 200n G A dy 8 Ouipui 0 10V 0 20mA e 24V FwM Pulse Output FMP or Open comM Collector Optional Frequency Source 0 10V no DO Digital Output Terminal W TA a T B RELAY 1 Fault Output by default Fig 3 5 Schematic Diagram for the Wiring Connection of Three Phase Inverters of 3MD280T0 7G to MD280T30G 37P 50 MD280 MD280N User Manual Mechanical and Electrical Installation Three phase 380V x input Power H Earth Connection Exte
40. 9 Group C The Second Motor Parameter sssccesseseseseeeseees 189 Group FF Factory Default Parameters Reserved 190 Group FP User PASSWOIK sesccesscenscensseenscensecesssenseoeseoeeseeaes 190 Chapter 7 EMC Electromagnetic Compatibility cccsseeeee 194 Cel DCW OM eaaceecestesecs icccccteutateaten tea tarsicavesewecvecieracancentacsacd 194 7 2 EMC Standard DeSCLiption cccsccesecnsccnseeseenseenseenees 194 ToS EMG GUC iepoarsece aioe aE 194 Chapter 8 Fault Diagnosis and Countermeasures 0008 200 8 1 Fault Alarm and Countermeasures csssceseesseeneeenees 200 8 2 Common Fault and Resolution ccseeeseeeseeeseeneeenees 213 Appendix Communication Protocol cccccccceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeees 215 MD280 MD280N User Manual Preface Connection to peripheral divices Three phase AC power supply Please use the power supply which is within the inverter specification Moulded Case Circuit Breaker or Electric Leakage Circuit Breaker When the power supply input a great impact currant will flow into the inverter Therefore you should pay attention to Electromagnetic Contactor the selection of the circuit breaker To insure the safety please use electroamagnalic contactor Please do not use the electromagnetic contactor to start and stop the inverter otherwise it will reduce the lifetime of the inverter AC Reac
41. DI6 Al2 is used as the function selection of DI7 DC brake enable at stop Keyboard command source switching Terminal command source switching Switching for the first motor and the second motor WKI FR Frequency source switching Al is used as DI but the ground of Al GND and DI COM are not to breakover When this terminal command is valid it must implement DC brake at stop according to the DC brake initial frequency at stop DC brake waiting time at stop DC brake current at stop and DC brake time at stop as set in function codes of F4 11 to F4 14 When this function is not selected the function of DC brake at stop is valid by default When this terminal command is valid the reference channel of the current frequency source is forced to switch to reference of Operation Panel Channel When this terminal command is valid the reference channel of the current frequency source is forced to switch to reference of Terminal Command Channel When terminal command is valid switching for the second motor When the frequency source selection FO 07 is set to 2 it performs switching between main frequency source X and auxiliary frequency source Y via this terminal When the frequency source selection FO 07 is set to 3 it performs switching between main frequency source X and main frequency X plus auxiliary 129 Parameter Description MD280 MD280N User Manual Setup ame Function D
42. Hz to maximum frequency When in the PID adjustment running frequency of the adjustment can be reversed to run to the cutoff frequency of reverse rotation 165 Parameter Description MD280 MD280N User Manual Group F7 Swing Frequency Fixed Length and Counting The swing frequency function is applicable to textile and chemical fiber industries and applications where traversing and winding functions are required Swing frequency means that the inverter output frequency swings up and down with the setup frequency frequency command is selected in FO 01 as the center and the trace of running frequency at the time axis is as shown in Fig 6 22 The swing amplitude is set in F7 00 and F7 01 When F7 01 is set to 0 meaning the swing amplitude is 0 or F7 03 is set to 0 the swing frequency will have no function Output Frequency Hz Swing Frequency Amplitude Swing Frequency Upper Limit FH r Center Frequency Feet ay f Swing Frequency Lower Limit eo a s Textile Kick Frequency Triangular Rising Time Time Accelerate by Acceleration Time Becelerate by Frequency Cycle Deceleration Time Running Command Fig 6 18 Schematic Diagram for Swing Frequency Swing frequency setup Factory default a F7 00 mode value Setup o Relative to the center frequency range Relative to the maximum frequency It is used to determine the amplitude value 0 Relative to the center frequency F0 03 frequency source selection It is a va
43. Hz to the maximum output frequency F0 04 The deceleration time means the time t2 needed for the inverter to decelerate from the maximum output frequency FO 04 to OHZ The descriptions on acceleration and deceleration time are as shown in Fig 6 1 PO fat lt gt Sr fe tok we fal Ble Pap ae a IY ia tl te q HE MME hja A AEL Fig 6 1 schematic Diagram for speed up speed down time MHI Output frequency EAM Maximum frequency WH Setting frequency 3K fn DUDE fal Actual speed up time W7E INTE E Setting speed up time 3K PRIREJE IY fA Actual speed down time WC FE VATE IN a Setting speed down time Ila Time There are totally two groups of speed up speed down time for selection Speed up speed down time 1 FO 09 and FO 10 Speed up speed down time 2 F5 04 and F5 05 The two groups of Speed up speed down time can be selected through the external digital input terminal DI Refer to the function description of 113 Parameter Description MD280 MD280N User Manual Speed up speed down Selection Terminal of function codes of Group F2 00 to F2 04 for details Carrier Factory default odel dependent frequency value Setup range 0 5kHz to 16 0kHz This function is used to adjust the carrier wave frequency of the inverter By adjusting the carrier wave frequency the motor noise can be reduced the resonance of the mechanical system can be avoided so that the leakage current to
44. MD280 MD280N User Manual Preface Preface Thank you for purchasing MD280 Series inverter This instruction manual describes how to use MD280 series inverter properly Please completely understanding this user s manual before installing operating and maintenance or inspecting Safety Precautions The drawings presented in this instructions are sometimes shown without covers or protective guards Always replace the equipment s cover or protective guard as specified first and the operate the products in accordance with the instructions The drawings presented in the instructions are typical examples and may not match the product you received These instructions are subject to change due to product improvement specification modification specification modification If you want to order the manual due to loss or damage please contact our company agents in each region or our company customer service center directly lf there is still any problem during using the product please contact our company customer service center directly Our Service Hotline 400 777 1260 Preface MD280 MD280N User Manual MD280 series inverter is a genenral purpose and multi functional inverter developed by Inovance which is based on the successful launching of MD300 MD320 and with the power drive platform of MD300 320 that is has already been widely verified as well as via the market research and customer demands The entire system of MD
45. Terminal B Digital input terminal It needs to employ shielded cable generally with wiring distance of no longer than 20 meters When valid driving is adopted necessary filtering measures shall be taken to prevent the interference to the power supply It is recommended to use the contact control mode B Digital output terminal When connecting to the load the digital output terminal is directly connected between DO and 24V and there already exists continuous flow absorption circuit inside the inverter The load current is less than 50mA If the load is too high please transit via the replay 59 Mechanical and Electrical Installation MD280 MD280N User Manual 60 4 Operation and Display Operation and Display MD280 MD280N User Manual Chapter 4 Operation and Display 4 1 Introduction to Operation and Display Interface Modification of function parameter monitoring of inverter operation control of inverter operation start and stop can be performed through the operation panel O O O O RUN LOGALREMOT RUN LOCALREMOT f iS a Q T Et R peu t__4 1 fi r i i PRE N 1 il ENTER PRG A FN ENTER ra So Pagi kA i f A wv w RUN STOP RES RUM MF K STOP RES Na 3 F 1 A i Fi ia ne J _ ee r has eo a a i Fig 4 1 Schematic Diagram for the External Operation Panel of Inverter without Potentiometer Fig 4 2 Schematic Diagram for the Ex
46. When the fault occurs please disconnect the power supply to wait at least 5 minutes to ensure that input voltage normal after power on Err26 refers to running time arrival fault please refers to the description of F5 13 that is the running time arrival action selection Err31 refers to software over current fault please refers to the description of F5 25 that is the software over current point Err40 refers to the fast current limit and overtime fault please refer to description of F5 20 that is the fast current limit function selection Err41 refers to the swiching motor fault please refers to the description of group FC The second motor parameter 200 MD280 MD280N User Manual Fault Diagnosis and Countermeasures Acceleration over current Check if the output loop of the inverter is earthed or short circuited Yes If the acceleration time is too short Prolong the acceleration time f No If the manual boost torque No Adjust the manual boost torque or or V F curve is proper V F curve Yes Yes gt Perform troubleshooting Adjust the voltage to normal If the voltage is too low gt range Select start upon rotational velocity follow up or start upon motor shutdown If load is added suddenly Yes a during the acceleration Remove the additional load The inverter modelis rather small If the rotating motor is started lt lt lt Z Z Z O O O Fig 8 1
47. When the length of the motor cable is longer than 100 meters AC output reactor shall be installed f Grounding terminal COPE The terminal must be grounded reliably and the resistance of the ground wire must be less than 0 1Q Otherwise fault may be caused or the inverter may be damaged Do not share the grounding terminal aa power supply and terminal N of zero line of the 3 2 5 Control Terminals and Wiring 1 The terminals of the control circuit are arranged as shown in the following diagram T A T B T C 55 lt Mechanical and Electrical Installation MD280 MD280N User Manual 2 Function Description of Control Terminal Table 3 3 Function Description of MD280 Inverter Control Terminal Terminal Type Terminal Function Description Name Provide 10V power supply for external units with maximum output current of 10mA External 10V GND terminal of 10V It is generally used as the operating power supply for the external potentiometer power supply The potentiometer resistance range is 1kQ to 5kQ Ajddns s8mM0d Provide 24V power supply for external units It External is generally used as the operating power supply 24V COM terminal of 24V for digital input output terminal and the external power supply sensor Maximum output current 200mA 1 Input voltage range DC OV to 10V can be Analog input customized as non standard 10VDC to Al1 GND terminal 1 10VDC 2 Input impedance 2
48. actual detection record and cannot be modified indicates that the parameter is Factory default parameter and can be set only by the manufacturer and the user is forbidden to perform any operation 68 MD280 MD280N User Manual Function code Function Parameter Table Factory Minimu Setup Range Default Change m Unit Value Group FO Basic function group FO 00 FO 01 FO 02 FQ 03 FO 04 nd source selection Frequen cy source selection Digital setup frequenc y memory selection Pre set frequenc y Maximu m 0 Operation panel control channel LED ON 1 Terminal command channel LED OFF 2 Serial port communication control channel LED FLASHING 0 Digital setting UP and Down adjustment 1 Alt Al2 PULSE setting DI5 MS speed 1 PLC PID AI1 Al2 Communication setup PID Al1 10 PID Al2 2 3 4 5 6 T 8 9 0 Without memory 1 Power fault memory 2 Stop memory 3 Stop and power fault memories 0 00Hz to maximum frequency F0 04 0 01Hz 50 00Hz 50 00Hz to 630 00Hz 0 01Hz 50 00Hz 69 Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default frequenc y Frequen 0 Numerical value setting FO 06 cy source 1 Alt 2 Al2 3 PULSE setting DI5 upper limit Frequen cy upper 0 00Hz to maximum frequenc FO 06 i 0 01Hz 50 00Hz limit FO 04 setup
49. alue in the final CRC field will not be valid for the combined messages A typical message frame is shown below 216 MD280 MD280N User Manual Appendix 1 RTU frame format 3 5 character time 06 Write slave parameters Function code parameter address the number of function code parameter eee Function code parameter etc DATAO CRC CHK low order Detection Value CAC value CRC CHK high order At least 3 5 character time 2 CMD and DATA Command code 03H reads N words There are 12 characters can be read at the most For example The inverter start address F002 of the slave 01 continuously reads two consecutive values ADDR Byte number high order Byte number low order 2H Register number high 00H order Register number low order Re CHK OW praef CRC CHK values are to be calculated CRC CHK high order Slave responding information ADDR 01H CMD 03H Byte number Data F002H high order Data F002H low order Data F003H high order 217 Appendix MD280 MD280N User Manual Data F003H low order CRC CHK low order CRC CHK values are to be calculated Command code Command Code 06H write a word For example Write 5000 1388H into FOOAH which slave address is 02H Master command information 02H CMD O6H FOH 04H 13H 88H 7 RC CHK values are to be calculated Slave responding information ADDR Data address high order Data address low order Data Content high order Data C
50. ameter and the insulating resistance measured shall be at least 5MQ 1 2 2 Thermal Protection of the Motor If the ratings of the motor does not match those of the inverter especially when the rated power of the inverter is higher than the rated power of the motor the relevant motor protection parameters in the in the inverter shall be adjusted or thermal relay shall be mounted to protect the motor 1 2 3 Running with Frequency higher than Standard Frequency This inverter can provide output frequency of OHz to 300Hz If the user needs to run the inverter with frequency of more than 50Hz please take the resistant pressure of the mechanical devices into consideration 1 2 4 Vibration of Mechanical Device The inverter may encounter the mechanical resonance point at certain output frequencies which can be avoided by setting the skip frequency parameters in the inverter 1 2 5 Motor Heating and Noise Since the output voltage of inverter is PWM wave and contains certain harmonics the temperature rise noise and vibration of the motor will be higher than those when it runs at standard frequency 1 2 6 Voltage sensitive Device or Capacitor Improving Power Factor at the Output Side Since the inverter output is PWM wave if the capacitor for improving the power factor or voltage sensitive resistor for lightning protection is mounted at the output side it is easy to cause instantaneous over current in the inverter which may damage the
51. applications where lightning occurs frequently the user shall install additional protection devices at the front end of the inverter 1 2 11 Altitude and Derating In areas with altitude of more than 1 000 meters the heat sinking effect of the inverter may turn poo rer due to rare air Therefore it needs to derate the inverter for use Please contact our company for technical consulting in case of such condition 1 2 12 Certain Special Use If the user needs to use the inverter with the methods other than the recommended wiring diagram in this manual such as shared DC bus please consult our company 1 2 13 Cautions of Inverter Disposal The electrolytic capacitors on the main circuit and the PCB may explode 15 Safety and Precautions MD280 MD280N User Manual when they are burnt Emission of toxic gas may be generated when the plastic parts are burnt Please dispose the inverter as industrial wastes 1 2 14 Adaptable Motor 1 The standard adaptable motor is four pole squirrel cage asynchronous induction motor If such motor is not available be sure to select adaptable motors in according to the rated current of the motor In applications where drive permanent magnetic synchronous motor is required please consult our company 2 The cooling fan and the rotor shaft of the non frequency conversion motor adopt coaxial connection When the rotating speed is reduced the heat sinking effect will be poorer Therefore a powerful exh
52. aust fan shall be installed or the motor shall be replaced with frequency conversion motor to avoid the overheating of the motor 3 Since the inverter has built in standard parameters of the adaptable motors it is necessary to perform motor parameter identification or modify the default values so as to comply with the actual values as much as possible or it may affect the running effect and protection performance 4 The short circuit of the cable or motor may cause alarm or explosion of the inverter Therefore please conduct insulation and short circuit test on the newly installed motor and cable Such test shall also be conducted during routine maintenance Please note that the inverter and the test part shall be completely disconnected during the test Product Information Product Information MD280 MD280N User Manual Chapter 2 Product Information 2 1 Designation Rules MD280N T 7 5G B 11P B Brake Unit B Including Brake Unit 11kW P model Corresponding Relationship oa oF 400 460 0 4 0 75 400 450 Brake Unit E Including Brake Unit Fig 2 1 Designation Rules MD280 MD280N Voltage Level Single Phase 220 Three Phase 380 7 5kW G model Caution The MD280N series is an upgrade of the MD280 series in terms of external appearance and structural design Except for special notes on the MD320N all the following information is appropriate for the MD320N series
53. because this test is performed prior to the delivery Otherwise accident may occur The cover must be well closed prior to the inverter power on Otherwise electric shock may be caused Whether all the external fittings are connected correctly in accordance with the circuit provided in this manual Otherwise accident may occur 1 1 5 Upon Power on Do not open the cover of the inverter upon power on Otherwise there will be danger of electric shock Do not touch the inverter and its surrounding circuit with wet hand Otherwise there will be danger of electric shock Do not touch the inverter terminals including control terminal Otherwise there will be danger of electric shock At power on the inverter will perform the security check of the external heavy current circuit automatically Thus at this time please do not touch the terminals U V and W or the terminals of motor otherwise there will be danger of electric shock PS spancer MD280 MD280N User Manual Safety and Precautions lf the parameter identification is required pay attention to the danger of injury arising from the rotating motor Otherwise accident may occur Do not change the factory settings at will Otherwise it may damage the equipment 1 1 6 During the operation Do not touch the fan or discharge resistor to sense the temperature Otherwise you may get burnt Detection of signals during the operation shall only be conduc
54. broadcast information to all the slaves For the single master Inquiry Command all of slaves will return a signal that is a response for the broadcast information provided by master slave needs not feedback a response to master machine 5 Communication Data Structure ModBus protocol communication data format of MD280 series of inverter is shown as following In RTU mode messages start with a interval of at least 3 5 character times The first field then transmitted is the device address The allowable characters transmitted for all fields are hexadecimal 0 9 A F Networked devices monitor the network bus continuously including during the silent intervals When the first field the address field is received each device decodes it to find out if it is the addressed device Following the last transmitted character a similar interval of at least 3 5 character times marks the end of the message A new message can begin after this interval The entire message frame must be transmitted as a continuous stream If a silent interval of more than 1 5 character times occurs before completion of the frame the receiving device flushes the incomplete message and assumes that the next byte will be the address field of a new message Similarly if a new message begins earlier than 3 5 character times following a previous message the receiving device will consider it a continuation of the previous message This will set an error as the v
55. bvious oscillation and does not run normally can the gain be properly increased The bigger the gain is the better oscillation suppression result will be The gain shall be set as small as possible under the condition that the oscillation is suppressed effectively so as to avoid high influences on the V F operation Factory Tunig selection default value 2 oopan Setup range A Static tuning Prompt Correct motor ratings must be set before tuning F1 00 to F1 03 0 No operation tuning is disabled 1 Static tuning Rotor resistance of the motor is detected automatically 123 Parameter Description MD280 MD280N User Manual Action description Set the function code to 1 and press RUN key for confirmation and then the inverter will conduct static tuning Tuning operation description Select the command source FO 00 as the command channel of the operation panel Set correct motor parameter F1 00 to F1 03 When it is set to 1 press ENTER key and TUNE will be displayed and flashes Press RUN key to conduct parameter tuning and at this time the displayed TUNE stops flashing After the tuning is completed the display will return to the stop status interface The tuning process can be stopped by pressing the STOP key When the tuning is completed the value of F1 11 will automatically restore to 0 Caution Tuning is valid only in the keyboard control mode Oscillation Factory default Mod
56. c y PULSE input minimu F2 21 m 100 0 to 100 0 0 1 0 0 frequenc y correspo a MD280 MD280N User Manual Function code Setup Range nding setup PULSE input maximu F2 22 F2 20 to 50 00kHz m frequenc y PULSE input maximu m F2 23 frequenc 4 Set by Al1 y 2 Set by Al2 correspo nding setup PULSE input maximu m F2 24 frequenc 100 0 to 100 0 y correspo nding setup PULSE input F2 25 0 00s to 10 00s filtering time DI input F2 26 0 to 31 terminal _79 Minimu m Unit 0 01kHz 0 1 0 01s Function Parameter Table Factory Default Change Value 50 00kHz x 100 0 0 10s Function Parameter Table a F2 27 F2 28 F3 00 F3 01 F3 02 F3 03 F3 04 valid status selection Al1 as function selection of DI6 Al2 as the function selection of DI7 Multifun ctional terminal output selection RELAY output selection DO 1 output selection DO2 output selection FM DO3 output selection MD280 MD280N User Manual Factory Default lh F2 00 Group F3 Output terminal 0 FM FMP pulse output 1 FM DO3 digital output 2 AO Analog output 0 No output 1 Inverter being running 2 Fault output 3 Frequency level detection FDT arrival 4 Frequency arrival 5 Frequency upper limit arrival 6 Frequency lower limit arrival 7 In zero speed operation 8 Motor overl
57. cal Drive System IEC EN 61800 3 2004 Speed Adjustable Electrical Drive System Part III Electromagnetic Compatibility Standard and Specific Test Methods lt complies with IEC EN 61800 3 standard if this product is installed and used properly according to Section 7 3 2 and Section 7 3 6 MI Preface MD280 MD280N User Manual IV Contact Prelate nsina a l Chapter 1 Safety and Precautions ccccccssseceeeeeeeeecesseneeeeeeeeeeeeneeeeees 10 1 1 Saftey PRECAUTIONS sertai a 10 k2 Te CAULION asinna a NR 13 Chapter 2 Product INformatiOn ccccccsssssessseseeeeeeeeeeeeeeeeeeeeneeeeeseees 18 2 1 Designation FRUNCS ecciccsvesincececneew tess aa 18 Z2 NaMEpIATE arreoa 18 2 3 MD280 S ries INVerte i vaain aa 19 2 4 Technical Specifications ccssccssccsscesecnsecnseenseenseeneeees 21 2 5 Physical Appearance and Dimensions of Mounting Hole 25 ZC OPHONALP ANS riirii Ea iE 33 2 7 Routine Repair and Maintenance of Inverter 5 33 2 8 Instructions on Warranty of INVerter sscsesssssseeseeees 35 2 9 Guide to Model SeleCtiOn ceseceneeseensecsseenseeneeeneeees 36 2 10 Guide to Selection of Brake Components 1 008 37 Chapter 3 Mechanical and Electrical Installation 0s00008 42 3 1 Mechanical Installation cccsccssceseessesscnsensecesensenseeees 42 3 2 Electrical INSTAUALION iiron aa 46 Chapter 4 Operation and Display
58. ccording to the overload capacity of the motor The overload protection on motor forms an inverse time lag curve When the Operating current of the motor reaches the current of 220 FB 01 times the rated current of motor it will report motor overload ERR11 after it lasts one minute When the operating current of the motor reaches the current of 150 xFB 01 times the rated current of the motor it will report motor overload ERR11 after it lasts one minute The motor overload protection curve is as shown in Fig 6 25 179 Parameter Description MD280 MD280N User Manual Motor Overload Protection Time Gain Coefficient x 1 Le 60 min 1 min 150 180 220 254 Rated Curre Fig6 25 Schematic Diagram for inverse time lag curve of overload protection on motor Motor overload Factory default na 80 prealarm coefficient value Setup range 50 to 100 When the motor overload detection level reaches this parameter setup value the multifunctional output terminal DO or fault relay RELAY will output motor overload prealarm signal This parameter is calculated according to the percentage of time for continuous running under certain overload point rather than the overload fault time percentage For example the motor overload protection gain is set to 1 the motor overload prealarm coefficient is set to 80 when the motor keeps running for 48 seconds 80 xone minute under 220 of rated current the multifunctional
59. coefficient is set to 100 the rotary speed of the motor is close to the reference speed Over excitation gain racy 64 default value Setup range O to 200 The role of over excitation gain function is to suppress the rise of bus voltage during the inverter deceleration thus avoiding occurrence of over voltage fault due to bus voltage exceeding over voltage protection limitation value The higher the over excitation gain is more powerfully the suppression effect is The setting is described as follows 122 MD280 MD280N User Manual Parameter Description 1 In the applications where the inertia is very low the over excitation gain is set to 0 while in the applications where the inertia is high it needs to improve the over excitation gain properly 2 In the applications where there is brake resistor the over excitation gain must be set to 0 Factory No load current default Model dependent value Setup range 0 1A to motor rated current F1 02 Factory Stator resistance default Model dependent value Setup range 0 0010 to 65 5350 It needs to be set according to the motor parameters If this value is set wrongly it may affect the motor control performance If it is uncertain please contact the motor manufacturer Oscillation Factory default Model dependent F1 17 suppression orga value Setup range i range O to100 When the motor has no oscillation please select this gain as 0 Only when the motor has o
60. cond motor Speed u p speed F0 04 0 1A to 6500 0A 0 0010 to 65 5350 0 0 auto 0 1 to 30 0 0 0 to 200 0 0 to 100 0 Be consistent with the first motor Function Parameter Table Factory Default dependent dependent dependent dependent Model dependent 105 Function Parameter Table FP 00 FP 01 down time selection of the second motor Factory default passwor d User passwor d Paramet er initializat ion MD280 MD280N User Manual Factory Setup Range Default Speed up speed down time 1 Speed up speed down time 2 Group FF Factory Default Parameters Reserved Reserved Group FP User password 0 to 65535 EHE 0 No operation 1 Recover Factory default value 1 2 Clear the record information 106 Parameter Description Parameter Description MD280 MD280N User Manual Chapter 6 Parameter Description Group FO Basic Function Group Command source Factory default selection value 0 Operation panel command channel 1 Terminal command channel 2 Serial port communication command channel Inverter control commands include run stop forward rotation FWD reverse rotation REV forward jog FJOG reverse jog RJOG etc 0 Operation panel command channel LOCAL REMOT LED is off Perform running command control with RUN MF K and STOP RES keys on the operation panel 1 Terminal command channe
61. control i the main control board board fault Fig 8 18 EEPROM read write fault 210 MD280 MD280N User Manual Fault Diagnosis and Countermeasures Fault of Short Circuit to Earth Replace the drive board Fig 8 19 Earth short circuit fault ERR23 211 Fault Diagnosis and Countermeasures MD280 MD280N User Manual Fast current limit and overtime fault i Yes PONE Increase speed up If soeed up speed down time is too short speed down time y No Check if the torque hoist or V F a Adjust the torque hoist curve is proper or V F curve Yes Yes Select rotation speed If the rotating motor is started tracking to start or start y No S Yes Increase the inverter Y Ask for technical support Fig 8 20 Fast current limit and overtime fault after the motor stop Motor switching fault Check whether to swith No 1 and No 2 in the running status Ask for technical support Fig 8 20 Motor switching fault Err41 Yes Cancel the switch e motor in the running status 212 MD280 MD280N User Manual Fault Diagnosis and Countermeasures 8 2 Common Fault and Resolution During the inverter using process the following faults may occur Please conduct simple fault analysis by referring to the methods below Fault Possible Cause Phenomenon The inverter has abnormal a Check input power supply input power supply No display or 2 8 core and 16 core bus b Plug unplug er
62. d channel and the remote Setup command channel terminal command range channel or serial port command channel Switching between forward and reverse rotations Forward jog command It is used to set the functions of multifunctional MF K key 0 Disabled 1 Operation panel command channel and remote command channel When the command source F0 00 is terminal command channel or serial port communication control channel it can perform switching between the terminal command channel or serial port communication control channel and operation panel command channel 2 Switching between forward and reverse rotation Switching the rotary direction of the motor via the MF K key on the keyboard is only enabled when the command source F0 00 is operation panel command 3 Forward jog It can perform forward jog FJOG operation via the MF K key on the keyboard Caution 1 The switching functions of the MF K key channel switching and switching between forward rotation and reverse rotation can be performed in both the stop and running status 2 If DI terminal sets the functions of Keyboard Command Source Switching or Terminal Command Source Switching to be valid Operation Panel Command Channel and Remote Command Channel function will be disabled eee ete e function derau value Setup Sni in the keyboard control mode value F7 15 1 The stop function of STOP RES Kua r a
63. ding the function setting of terminals and MS speed refer to the function description of MS Speed Terminal of input terminal DI of Group F2 5 PLC Select simple PLC mode When the frequency source is simple PLC it needs to set the parameters of Group F8 MS Speed and PLC to determine the reference frequency at each running phase Refer to the description of Group F8 function codes for the PLC running setup 6 PID Select PID process control In this case it needs to set Group F6 PID Function Inverter operation frequency is the frequency after PID reacts Refer to PID Function settings in Group F6 for meanings of PID reference source reference parameter and feedback source etc 7 Alt Al2 It means that the frequency is given by adding the setting value of input terminal Al1 to the setting value of Al2 Refer to the description of Group F2 function codes F2 08 to F2 19 for the settings of Al1 and Al2 input frequencies 8 Communication reference The frequency source is given by the host computer via the communication 110 MD280 MD280N User Manual Parameter Description mode For the communication protocol refer to MD280F Serial Communication Protocol for details 9 PID Al1 It means that the frequency is set by PID and Al1 overlap setup Caution PID reference source F6 00 and PID feedback source F6 03 can not be selected to Al1 10 PID Al2 It means that the frequency is set b
64. ding to the actual situation but the resistance shall not be lower than the recommended value in the table while power can be higher The selection of brake resistor depends upon the power of the motor in the actual application system and correlates with the system inertia deceleration time and energy of position load which shall be performed according to the actual situation The higher the system inertia is the shorter the deceleration time required is while more frequent the brake is leading to that the brake resistor needs higher power and lower resistance 2 10 1Selection of Resistance Viaue Renewable electric energy consumption is almost the braking resistor when braking According to the formula U U R Pb U refers to stable Braking system of Brake voltage Different system has different brake voltage Generally select 700V for the system 380VAC Pb represents the Braking power 2 10 2 Selection of Braking Resistor Power Theoretically braking resistor Power is consistent with braking Power But the derating is 70 According to the formula 0 7 Pr Pb D Pr refers to the resistor Power D refers to braking frequency The regeneration process in the proportion of the entire working process For example the braking frequency of elevator is between 20 30 the winding and unwinding is between 20 30 The centrifuge is between 50 60 Occasional brake load is 5 The General selection is 10 ey ee Product Informa
65. e actual length value PID setup PID feedback pulse input frequency the display of which can be switched by pressing key 4 4 Password Setting The inverter provides user password protection function When FP 00 is set to non zero value it is user password and enabled after exiting the function code editing status When the user presses the PRG key again will be displayed to require the user to enter user password or the user cannot enter the general menu To cancel the password protection function the user needs to enter the relevant interface through password and change the FP 00 setting to O 65 lt Operation and Display MD280 MD280N User Manual 66 Function Parameter Table Function Parameter Table MD280 MD280N User Manual Chapter 5 Function Parameter Table When FP 00 is set to non zero value it means that the parameter protection password is set and only when correct password is input can the user enter the parameter menu To cancel the password it needs to set FP 00 to 0 The parameters in the shortcut menu are out of password protection The symbols in the function table are explained as follows X indicates that the parameter setup value can be modified when the inverter is in stop status and running status X indicates that the parameter setup value cannot be modified when the inverter is in the running status 19 7 e indicates that the parameter value is the
66. ee is valid in Pe acta aa control mode 173 Parameter Description MD280 MD280N User Manual 0 The stop function of STOP RES key is valid only in the keyboard control mode Only when the command source FO 00 is set to Operation Panel Control Channel will the stop function of STOP be valid and the terminal and serial communication control mode are invalid 1 The stop function of STOP RES key is valid in any control mode The stop function of STOP is valid when the command source FO 00 is in Operation Panel Control Channel Terminal Command Channel or Serial Port Communication Control Channel Remark The fault reset function of the STOP RES key is valid in any control mode F7 17 no Setup range Group F8 MS Speed Function and Simple PLC Function Simple PLC function means that he inverter has a built in programmable controller PLC to perform automatic control on the MS frequency logic The running time running direction and running frequency can be set to comply with the process requirements This inverter can implement 8 segment speed variable control and has two types of acceleration deceleration time for selection When the setup PLC completes one cycle it can output PLC circulation end signal via the multifunctional output terminal DO or multifunctional relay RELAY Refer to the description of PLC Circulation End of the output terminal in Group F3 for details When the frequency sou
67. efault Value fate Startup 0 00Hz to maximum frequency F4 03 frequenc FO 04 y Startup frequenc F4 04 y 0 0s to 36 0s retention time DC brake F4 05 current 0 to 100 at startup DC brake F4 06 0 0s to 36 0s time at startup Straight line speed up and Speed u speed down p speed 1 S curve speed up speed down F4 07 down A mode 2 S curve speed up speed down B Start segment 0 0 to 100 0 time of S curve F4 09 0 0 to 100 0 s83 Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default segment time of S curve Stop 0 Speed down to sto F4 10 i mode 1 Free stop DC brake at F4 11 stop 0 00Hz to maximum frequency Startup F0 04 frequenc y DC brake at F4 12 stop 0 0s to 36 0s waiting time DC brake F4 13 0 to 100 current at stop DC brake F4 14 0 0s to 36 0s current at stop Brake F4 15 utilizatio 0 to 100 n ratio Group F5 Auxiliary Function Jog 0 00Hz to maximum frequency running F0 04 0 01Hz 2 00Hz _ 84 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default Change m Unit Value frequenc y Jog F5 01 speed u 0 00s to 300 00s 0 01s 20 00s p time Jog F5 02 speed d 0 00s to 300 00s 0 01s 20 00s own time Jog enabled 0 Disabled F5 03 during 1 1 Enable operatio n Speed d 0 01s m Model F5 05 own time 0 00s m to 300 00s m depend
68. efers to the interval time from the inverter finishes receiving data to sending data to the host machine If the response delay is less than the system processing time then the response based on the time delay of the system processing time If the response delay is more than the system processing time after the system processes the data it should be delayed to wait until the response delay time is up then sending data to host machine Communicaton overtime Factory 0 0s default value Setup range 0 0s Invalid 0 1 to 60 0s When the inverter can not receive the communication signal the inverter will report the communication overtime fault CErr16 When the function set to 0 0 s the communication overtime parameter is invalid When the function set to 0 0 s the communication overtime parameter is invalid At normal circumstances it will be set as invalid If in the continuous communication system set the second parameter you can monitor the communication status 226 F Warranty Agreement Inovance 1 The warranty period of the product is 18 months refer to the barcode on the equipment body During the warranty period if the product fails or is damaged under the condition of normal use by following the instruction Our company will be responsible for free maintenance 2 Within the warranty period maintenance will be charged for the following reasons A The damage caused by improper use or repair modification withou
69. eldenendent suppression mode value Setup viaue 0 Oscillation suppression is not dependent on no load current which is valid only below 15Hz 1 Oscillation suppression is dependent on no load current which is valid by default 2 Oscillation suppression is dependent on no load current which is valid only below 15Hz 3 Oscillation suppressions is dependent on no load current which is valid 124 MD280 MD280N User Manual Parameter Description Group F2 Input Terminal MD280 series inverter has 5 multifunctional digital input terminals DI1 to DI5 of which DI5 can be used as high speed pulse input terminal and ME280 series inverter also has two analog input terminals Al1 and Al2 Caution 1 When DI5 as high speed pluse input terminal set function setup of input terminal DI5 to zero no function so as to avoid malfunction When DI5 is high speed pluse input it can be the frequency source Frequency source upper limit PID setup source PID feedback source and setup source of MS zero segment 2 For the counter input and the length count input please use DI5 when the pluse frequency is higher When use low speed pluse and use DI1 to DI4 DI1 terminal function Factory 1 Forward F2 00 l selection default value rotation DI2 terminal function Factory 2 Reverse F2 01 l selection default value rotation DI3 terminal function Factory 4 Forward F2 02 l l selection default value rotation Jog E2 03 DI4 ter
70. ent 2 Skip 0 00Hz to maximum frequency F5 06 frequenc 0 01Hz 0 00Hz FO 04 y Skip frequenc 0 00Hz to maximum frequency F5 07 y 0 01Hz 0 00Hz F0 04 amplitud e Dead zone F5 08 time of 0 0s to 100 0s 0 1s 0 0s Forward and _ 85 Ww Ww Ww w 0 01s m Model F5 04 0 00s m to 300 00s m dependent Ww Kw Ww Ww Function Parameter Table MD280 MD280N User Manual eo reverse rotations Reverse 0 Reverse rotation enabled F5 09 rotation 1 Reverse rotation disabled control Run with frequenc y below 0 Run with frequency lower limit F5 10 frequenc 1 Delay to stop y lower limit Factory Default Setup F5 12 running Oh to 65535h time Action selection atthe 0 Continue to run arrival of 1 Stop running time Startup _ 0 Disabled F5 14 protectio 1 Enabled n Delay duration of stop with F5 11 frequenc 0 0s to 3600 0s 0 1s y below frequenc y lower limit _ 86 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default festecionf O O Frequen cy detectio 0 00Hz to maximum frequency F0 04 0 01Hz 50 00Hz n value FDT level Frequen cy F5 16 meee 0 0 to 100 0 0 1 5 0 hysteres is value Frequen cy arrival F5 17 i 0 0 to 100 0 0 1 0 0 amplitud e _ DR Modulati 0 Asynchronous modulation F5 19 on mode 1 1 Synchronous modulation selection Quick current 0 Disabled F5 20 limit 1
71. entiometer input via the jumper Two digital output terminals One relay output terminal One analog output terminal can be expanded to two with Output optional 0 4mA to 20mA or 0 2V to 10V It can realize the Ermina output of such physical parameters as setting frequency and output frequency while via FM to output OkHz to 50kHz square wave signal DO3 can also be set to open collector output AO FM DO3 share a channel making a distinction via the function selection The machine has the LED keyboard and realize parameter LED display Sate settings status monitoring function It can implement power on motor short circuit detection Protection input output phase loss protection over current protection function over voltage protection under voltage protection overheating protection and overload protection Optional external keyboard which has two selection one is Optional parts with the potentiometer the other is without the potentiometer braking components and external keyboard cable etc Indoor and be free from direct sunlight dust corrosive gas Using place combustible gas oil smoke vapor drip or salt Altitude 1000m derated when above 1000m Ambient 10 C Celsius to 40 C Celsius Derated when used in the temperature ambient temperature of 40 C Celsius to 50 C Celsius Humidity Less than 95 RH without condensing Vibration Less than 5 9 m s 0 6g mr gt D T ma 5 z S O
72. equirements The existing products of our company apply the latest international standard IEC EN61800 3 2004 Adjustable speed electrical power drive systems part 3 EMC requirements and specific test methods which is equivalent to the national standard GB T12668 3 IEC EN61800 3 assesses the inverter in terms of electromagnetic interference and anti electronic interference Electromagnetic interference mainly tests the radiation interference conduction interference and harmonics interference on the inverter required for the inverter for civil use Anti electromagnetic interference mainly tests the conduction interference rejection radiation interference rejection surge interference rejection fast and mutable pulse group interference rejection ESD interference rejection and power low frequency end interference rejection specific test items including 1 Interference rejection tests of input voltage sag interrupt and change 2 Phase conversion interference rejection test 3 Harmonic input interference rejection test 4 Input frequency change test 5 Input voltage unbalance test 6 input voltage fluctuation test The tests shall be conducted strictly in accordance with the above requirements of IEC EN61800 3 and the products of our company are installed and used according to Section 7 3 and have good electromagnetic compatibility in general industry environment 7 3 EMC Guide 7 3 1 Harmonic Effect Higher harmonics of power sup
73. escription frequency source Y via this terminal When the frequency source selection FO 07 is set to 4 it performs switching between auxiliary frequency source X and main frequency X plus _ auxiliary frequency source Y via this terminal Caution 1 The source keyboard command switching of DI terminal has priority over the source terminal command switching of DI terminal When the keyboard command source switching or terminal command source switching is valid the MF K function is invalid for control panel command channel and remote command channel switching 2 The second motor paramerter is set by group FC function code V F curve is straight by default soeed up speed down time is determined by function code of FC 09 130 MD280 MD280N User Manual Parameter Description ot Ls eee setting parameter ee ON on OFF MS speed 2 F8 03 ON o oe Torr MS soos Feos ON ON ON Fig 6 4 Schematic Diagram for the Setting of MS Speed Terminal Terminal K1 It is set to the function of MS speed terminal 1 Terminal K2 It is set to the function of MS speed terminal 2 Terminal K3 It is set to the function of MS speed terminal 3 Factory 4 rete DI filtering time default value a Setup range O to 10 If the digital input terminal is venerable to interference and may cause malrunction increase the parameter value to enhance the interference immunity However this operation will cause reduced sensitivit
74. f process PID If the set target value of process PID is a relative value 100 of the set value corresponds to 100 of the feedback signal of controlled system Caution When F6 00 is selected to 4 MS speed F8 00 MS speed 0 reference mode is not selected to 4 PID numerical value Factory 50 0 a default value Setuprange range 0 0 to 100 0 This parameter needs to be set when F6 00 is set as 0 Reference value of this parameter is the feedback value from the system 162 MD280 MD280N User Manual Parameter Description PID reference change Factuory 0 0s duration default value Setup range 0 0s to 3000 0s PID reference changes according to this parameter value which corresponds to the time taken for the PID reference to change from 0 to 100 PID feedback source ney default value Set 0 Alt up Al2 val u It is used to select the feedback channel of PID PID action direction raon gata value Negative action Positive action If the a signal is smaller than the PID reference signal it is required to boost the output frequency of the inverter to make PID reach balance The winding tension PID control is such a case Negative action If the feedback signal is smaller than the PID reference signal it is required to decrease the output frequency of the inverter to make PID reach balance The unwind tension PID control is such a case PID reference Factory defaul
75. f the setup frequency it outputs ON signal as shown in Fig 6 19 Setup range Output Frequency Hz ee Cee ee ee Setting Frequency f Frequency Arrival i l Detection Signal oe pi Time DO Relay Time Fig 6 19 Schematic Diagram for Detected Amplitude of Frequency Arrival PEA Random PWM gain nado derau poo value Setuprange range Set the random PWM gain monotonous and harsh electromagnetic noise can be changed to the heterogeneous and soft noise the external electromagnetic interference can be effectively reduced 0 indicats that the gain is zero the largest gain is ten Modulation mode Factory default value 0 Asynchronous modulation Synchronous modulation In the medium frequency motor situation choose the synchronous modulation mode to make the output current waveform more stable more symmetrical as well as the three phase current In the synchronous modulation mode the current ripple and electromagnetic noise will be smaller but the switching frequency fault increases The synchronous modulation mode can be enabled only after the operating Setuprange range 159 Parameter Description MD280 MD280N User Manual frequency which is higher than 85Hz Fast current limit Factory function a o default value Eog 0 Invalid Eg Enable the fast current limit function so as to minimize inverter overcurrent protection fault and make the inverter wor
76. f the upper cover directly with tools Danger When removing the lower cover avoid the falling of the lower cover which may cause human injury or damage to the equipment Lower Cover Plate Fig 3 3 Removal of Lower Cover of the Sheet Metal Enclosure _ 45 Mechanical and Electrical Installation MD280 MD280N User Manual 3 2 Electrical Installation 3 2 1 Guide to the Selection of Peripheral Electrical Parts Table 3 1 Guide to the Selection of Peripheral Electrical Parts of MD280 Inverter Recomme Recomme nded nded Recomme Circuit Recommend Input Output nded Breaker Inverter Model ed Contactor Side Main Side Main Control MCCB A A Circuit Circuit Circuit Wire Wire Wire mm woreosoas te w o nis uD28050 7G epe ps a MD280S1 5G MD280S2 2G MD280T0 7G moomso s f w 25 25 15 mooz s w 25 25 15 mms d ao l a a a ag mozsorzsonie es MD280T11G 15P 63 ow a a ane E mozsomsscre 10 e w mozeorzzcaop 15 wo w mozsorsoceze so 1o w mozsorsrciase 20 15 e el E mozsorsscmsp 20 1o s mozsorrscwoe 20 o o sw w uDzeoreocrnop a50 a _ 46 MD280 MD280N User Manual Circuit Breaker Inverter Model MD280T110G 132P MD280T132G 160P MCCB A a s s w iso 1502 EE s2 185 Mechanical and Electrical Installation Recomme Recomme nded nded Recomme Recommend Input Output
77. for use at the same time DI input terminal Factory valid state selection default value Setup range 0 to 31 Set the valid state of DI input terminal by bits 0 positive logic Valid connected 1 antilogical Invalid disconnected The corresponding relationship between BIT and DI is shown as the following table DI3 D11 Set a DI for anti logic valid disconnected the corresponding BIT should be set to 1 then this binary number is converted to decimal code at this function code 137 Parameter Description MD280 MD280N User Manual Al1 is used as the function selection of DI6 Setup range The same as F2 00 Factory default value Al2 is used as the Factory function selection default value of DI7 Setup range The same as F2 00 Al is used as DI but the ground of Al GND and DI COM are not to breakover Group F3 Output Terminal MD280 series inverter provides one multifunctional terminal output selection FMP AO or DO3 one multifunctional relay output terminal RELAY and two multifunctional digital output terminal D01 and DO2 FM and AO terminals are two different types of signal output terminals in the same channel and cannot be used at the same time FM terminal has two type of functions and can select output PULSE signal FMP or digital signal DO3 The output signal type can be selected via F3 00 Remark FMP pulse signal and DO3 digital signal are all output via FM terminal Multi
78. from corrosive gas explosive gas or combustible gas 6 The inverter shall be mounted in locations free from oil dirt dust and metal powder Pp Peece2 see 8S 28282 S28 88 6 S886 288282 eee SF eS See See D280 Fig 3 1MD280 Inverter Installation Diagram _42 MD280 MD280N User Manual Mechanical and Electrical Installation Installation Diagram of Upper and Down Parts Caution When the inverter power is not higher than 22kW the A size can be omitted When the inverter power is higher than 22kW the A size shall be higher than 50mm Caution When performing up down installation of inverter please install the thermal insulating guide plate as shown in the diagram Table 3 1 Schematic Diagram for Installation of MD280 Inverter Mounting Dimension Power Level lt 15KW 18 5kW 30kW 2200mm 250mm gt 37kW 2300mm gt 50mm Caution When the inverter power is no more than 18 5G 22P dimension A can be neglected When the inverter power is higher than 18 5G 22P dimension A shall be higher than 50mm Caution When performing up down installation of inverter please install the thermal insulating guide plate as shown in the diagram Heat sinking shall be taken into account during the installation Attention shall be paid to the following items 1 Install the inverter vertically so that the heat may be expelled from the top However the equipment cannot be installed upside down If there are multiple in
79. functional terminal output Factory default value selection a FM FMP pulse output etup 1 FM DO3 digital output F 2 AO Analog output Caution The PULSE setup DI5 function of the frequency source FO 01 and the FMP pulse output function of the FM terminal F3 00 cannot be selected for use at the same time 3 01 RELAY output Factory 2 Fault output selection default value DO1 output Factory Inverter being F3 02 selection default value running DO2 output Factory F3 03 deuin ie 4 Frequency arrival 138 MD280 MD280N User Manual Parameter Description Factory ing default value pou RELAY refers to relay output terminal TA TB TC in which TA is common terminal of relay output TB is the normally closed output terminal and TC is the normally open terminal F3 01 to F3 04 function selections are as follows Setu Description value Fg No output The output terminals do not have any function When the inverter is running ON signal is output When the inverter has fault ON signal is output 2 Fault output Caution It do not output ON signal upon under voltage Frequency level detection FDT arrival Refer to F5 17 function code for the detailed 4 Frequency arrival Ea descriptions 5 Frequency upper When the operating frequency of the inverter reaches limit arrival the frequency upper limit it outputs ON signal Refer to F5 15 and F5 16 function codes for the detai
80. g display Factory default 31 parameter value Meanings of Lower Eight Digits Running Frequency Hz Setting Frequency Hz Bus Voltage V Output Voltage V Output Current A Output Power DI Input Status Meanings of Higher DI Output Status Eight Digits Al1 Voltage V Al2 Voltage V Measuring Value Length Value PID Setting PID Feedback PULSE Input Pulse Frequency Speed Display If the above parameters need to be displayed during the operation it can set their corresponding positions to 1 and then convert this binary number into decimal number and set it to F7 013 LED stop display Factory default 3 4 parameter value 171 Parameter Description MD280 MD280N User Manual Meanings of Lower Eight Digits Setting Frequenc Bus Voltage V DI Input Status DI Output Status Al1 Voltage Al2 Voltage Counting Value Meanings of Higher Length Value Eight Digits Reserved Reserved Reserved Reserved Reserved Reserved Reserved Reserved If the above parameters need to be displayed at the time of stop it can set their corresponding positions to 1 and then convert this binary number into decimal number and set it to F7 014 172 MD280 MD280N User Manual Parameter MD280 MD280N User Manual CS SCCSCSCSCSCSCSCSCCCSPPaarametter Description MF K function Factory default senton value 0 MF K key function disabled Switching between the operation panel comman
81. ght bit byte is exclusive ORed with the register s current value and the process repeats for eight more shifts as described above The final contents of the register after all the bytes of the message have been applied is the CRC value When the CRC is appended to the message the low byte is appended first followed by the high byte unsigned int CrcValueCalc const unsigned int data unsigned int length unsigned int crcValue Oxffff int i while length crcValue datat for i 8 1 i gt 0 i if crcValue amp 0x0001 crcValue crcValue gt gt 1 0xa001 else crcValue crcValue gt gt 1 return crcValue 4 Communication Parameter Address The chapter is about communication contents it s used to control the 219 Appendix MD280 MD280N User Manual inverter operation the status of the inverter and related parameter setup Read and write function code parameters Some functional code is not changed only for the manufacturer use The mark rules of Function code parameters address The group number and mark of function code is the parameter address for indicating the rules High byte FO to FF Low byte 00 to FF For example F3 12 the address indicates to F30C Caution Group FF Manufacturer Parameters The user is not allowed to access Group FF Some parameters can not be changed during operation some parameters regardless of what kind of sta
82. he setup counting value the digital output terminal will output setup counting value arrival signal and the counter will continue to count When the counting value reaches the designated counting value the digital output terminal will output designated counting value arrival signal and the counter will continue to count It can perform reset operation by setting the DI terminal to Counter Reset function The description of counter function is as shown in Fig 6 23 Counting Pulse DI5 PURG SEIS Lee es a Setting Count D01 S ee a eee Designated Count RELAY 6 e Fig6 23 Schematic Diagram for the Setup Counting Value Reference and Designated Counting Value Reference Reset Signal Caution 1 The designated counting value F7 09 shall not be set to be higher than the setup counting value F7 08 The current counter value can be timely viewed via the stop or running display parameter Refer to F7 13 and F7 14 function codes for details Load speed Factory default value display coefficient 169 Parameter Description MD280 MD280N User Manual OO Setup emoaan 0 0001 to 6 5000 Factory Decimal Decimal point position position deeatsaie S L 0 No decimal place No decimal place F7 11 Setup EA One decimal place range Ea Two decimal places Ea Three decimal places The load speed display coefficient and load speed precision are used to display the linear correspondence between the
83. heck if the wire connector has arc signs 5 Main circuit insulation test Reminder When using the megameter DC 500V megameter recommended to measure the insulating resistance the main circuit shall be disconnected with the inverter Do not use the insulating resistance MD280 MD280N User Manual Product Information meter to control the insulation of the circuit It is not necessary to conduct the high voltage test which has been completed upon delivery 2 3 Replacement of Vulnerable Parts for Inverter The vulnerable parts of the inverter include cooling fan and filter electrolytic capacitor whose life depends on the operating environment and maintenance status Common service life 2 to 3 years Electrolytic l 4 to 5 years capacitor The user can determine the term for replacement according to the running time 1 Cooling fan Possible causes for damage bearing wearing and blade aging Criteria Whether there is crack on the blade and whether there is abnormal vibration noise upon startup 2 Possible causes for damage of filter electrolytic capacitor Poor input source quality high ambient temperature frequent load jumping and burning electrolyte Criteria Whether there is liquid leakage whether the safe valve has projected measure the static capacitance and measure the insulating resistance 2 7 4 Storage of Inverter Attention shall be paid to the following points for the temporary and long term st
84. ifunctional terminal DI t No it wi Yes Stop the unit with the key STOP Bestio win under stall condition Fig 8 13 External equipment fault ERR15 208 MD280 MD280N User Manual Fault Diagnosis and Countermeasures Communications fault Err16 Check the host computer If the host computer is working Kania connecion z O y Yes If the RS485 communication No Check the cable for cable connection is normal communications t Yes No gt Set the baud rate correctly If the communication parameters No Modify the communication are set correctly parameters y Yes Ask for technical support Fig 8 14 Communication fault ERR16 If the baud rate setting is correct Contacor pull in fault Err16 Yes Se ees y ain Replace the contactor supply contactor is normal y No Ask for technical support Fig 8 15 Contacor pull in fault 209 Fault Diagnosis and Countermeasures MD280 MD280N User Manual Current detection fault Ask for technical support Fig 8 16 Current detection fault ERR18 Motor tuning fault If the motor parameters are set as per the motor nameplate No Set the motor parameters correctly No i Check the cable connecting the inverter to the motor Fig 8 17 Motor tuning fault ERR19 Yes If the parameter identification process is delayed EEPROM read write fault l Check if it is normal after replacing vse Main
85. igital FO 04 setup offset Group F1 Motor Parameters and V F Control Parameters F1 00 0 2kW to 1000 0kW dependent Motor Model F1 01 rated OV to 480V dependent voltage Motor Model F1 02 rated 0 1A to 6553 5A dependent current Motor Fiia rated 0 01Hz to maximu frequency Model frequenc F0 04 dependent y _72 MD280 MD280N User Manual oe F1 04 F1 05 F1 06 F1 07 F1 08 F1 09 F1 11 Torque hoist Torque boost cutoff frequenc y Multi poi nt V F frequenc y point f1 Multi poi nt V F frequenc y point v1 Multi poi nt V F frequenc y point f2 Multi poi nt V F voltage point v2 Multi poi nt V F Function Parameter Table Factory Default Minimu Setup Range m Unit Value 0 Linear V F curve 1 Multiple point V Fcurve 2 Square V F curve Model 0 0 auto 0 1 to 30 0 dependent 0 0 0 00Hz 0 00Hz FO 04 to maximu frequency 0 00Hz to F1 09 0 0 to 100 0 F1 07 to F1 11 0 0 to 100 0 F1 09 to Motor rated frequency F1 03 ae Function Parameter Table frequenc y point f3 F1 12 Multi poi nt V F voltage point v3 Slip compen F1 13 sation coefficie nt F1 14 Over excitatio n gain No load F1 15 current Stator F1 16 resistan ce F1 17 Oscillati on suppres sion gain Tuning F1 18 selection Oscillati on suppres sion mode F1 19 0 0 to 100 0 0 0 to 200 0 0 1A to F
86. ime selection of the value fourth segment of PLC Stowe ets Running time of the fifth segment of PLC value Setup range 0 0s h to 6553 5s h Speed up speed down time selection of the fifth oe en segment of PLC Factory default value 27 ee ieee down 2 Running time of the Factory default 0 0s h sixth segment of PLC value Setup range 0 0s h to 6553 5s h Speed up speed down Factory time selection of the default sixth segment of PLC value Setup range ea Speed up speed down 1 ae poe Speed up speed down 2 Running time of the seventh segment of PLC Setup range 0 0s h to 6553 5s h Factory default value 178 MD280 MD280N User Manual Parameter Description Speed up speed down time of the seventh segment of PLC Pao Speed up speed down 1 Set Group F9 Reserved Factory default value Group FA Communication Parameters Refer to MD280F Serial Communication Protocol for details Group FB Overload and Protection Factory Motor overload protection default selection value 0 Invalid 0 without motor overload protection function It is recommended to install thermal relay before the motor 1 The inverter has overload protection function for the motor Refer to FB 01 and FB 02 for the protection setup Motor overload Factory default A gain value Setup range range 0 20 to 10 00 In order to effectively protect the motor with different loads it needs to set this parameter a
87. inverter It is recommended that such devices not be used 1 2 7 Switching Devices like Contactors Used at the Input and Output terminal MD280 MD280N User Manual Safety and Precautions If a contactor is installed between the power supply and the input terminal of the inverter it is not allowed to use the contactor to control the startup stop of the inverter If use of such contactor is unavoidable it shall be used with interval of at least one hour Frequent charge and discharge will reduce the service life of the capacitor inside the inverter If switching devices like contactor are installed between the output end of the inverter and the motor it shall ensure that the on off operation is conducted when the inverter has no output Otherwise the modules in the inverter may be damaged 1 2 8 Use under voltage rather than rated voltag If the MD series inverter is used outside the allowable working voltage range as specified in this manual it is easy to damage the devices in the inverter When necessary use the corresponding step up or step down instruments to change the voltage 1 2 9 Change Three phase Input to Two phase Input It is not allowed to change the MD series three phase inverter into two phase one Otherwise it may cause fault or damage to the inverter 1 2 10 Lightning Impulse Protection The series inverter has lightning over current protection device and has certain self protection capacity against the lightning In
88. inverter which may cause potential fault of the inverter or reduce the service life of the inverter Therefore it is necessary to carry out daily and periodical maintenance AN Caution Repair or maintenance cannot be performed right after power off as there is high voltage on the filter capacitor Eo Product Information MD280 MD280N User Manual The repair or maintenance can be conducted only after the charge LED is OFF and the bus voltage is measured to be less than 36V with multimeter Routine inspection items include 1 Whether there is any abnormal change in the running sound of the motor 2 Whether the motor has vibration during the running 3 Whether there is any change to the installation environment of the inverter 4 Whether the inverter cooling fan works normally 5 Whether the inverter has over temperature Routine cleaning The inverter shall be kept clean The dust on the surface of the inverter shall be effectively removed so as to prevent the dust falling into the inverter especially the metal dust The oil stain on the inverter cooling fan shall be effectively removed 2 2 Periodical inspection Please perform periodic inspection on the places where the inspection is a difficult thing Periodic inspection Items include 1 Check and clean the air duct periodically N Check if the screws are loosened oO 4 Check if the inverter is corroded C
89. k normally When entering the fast current limiting state to continue for some time will report fast limit overtime fault Err40 which indicates the inverter is overload and refer to the process of Err10 Caution Please do not use this function for the hoist type of load other load is recommend to use this function Wake up Factory default 0 00Hz frequency value Setuprange SSe frequency maximum Setuprange range frequency F0 04 Wake up delay Factory default 0 0s time value Setup range 0 0s to 6500 0s Factory default 0 00Hz value frequency value l This function can achieve the sleep and wake up function After the running the command if it is in Sleep state when the setup frequency is not less than F5 21 frequency and then the inverter begins to start after the wake up delay time of F5 22 During the operation when the setup frequency is not more than F5 23 Sleep frequency and then the inverter stops after the wake up delay time of F5 24 Set F5 21 wake up frequencies and 5 23 Sleep frequency to 0 which indicates that the Sleep and wake up is invalid Caution When use the Sleep function please ensure whether to operate the function code of F6 10 PID operation mode when stopping Sleepfrequency 160 MD280 MD280N User Manual Parameter Description Factory default 200 0 value Software over current point 0 0 to 300 0 motor rated Setup value current Factory default value
90. l LOCAL REMOT LED is on Perform running command control with multifunctional input terminals such as FWD REV FJOG RJOG and so on 2 serial port communication command channel LOCAL REMOT LED flashes The running command is given by the host computer via the communication mode For the communication protocol refer to MD280F Serial Communication Protocol for details Caution Modification of this parameter may change the command source channel when the inverter is running Therefore please be caution of modifying this parameter Frequency source Factory default selection value Setup Digital setting UP and Down adjustment range 1 AIT 108 MD280 MD280N User Manual Parameter Description PULSE setting D15 MS speed emne C Select the input channel for inverter reference frequency There are 8 reference frequency channels which include 0 Digital setting UP and Down adjustment The initial value is the setting value of pre set frequency FO F3 It can modify the setup frequency value of the inverter with UP and DOWN keys on the keyboard or multifunctional input terminals UP and DOWN The Up and Down keys on the keyboard or terminals may be modified under the current frequency in the stop or run status of the inverter For details regarding the function setting of terminals UP and DOWN refer to Group F2 Terminal UP and Terminal DOWN 1 Al1 2 Al2 It mean
91. led descriptions Running at zero When the inverter stops or is running it outputs ON Frequency lower When the operating frequency of the inverter reaches limit arrival the frequency lower limit it outputs ON signal speed signal Judgment will be made according to the prealarm parameter value before the motor electronic thermal Motor overload protection is enabled If it exceeds the prealarm pre alarm parameter value ON signal will be output Refer to FB 00 to FB 02 function codes for the descriptions of motor overload When it is found that the inverter is overloaded ON Inverter overload signal will be output before the overload protection pre alarm occurs 40 Setup counting When the counting value reaches the frequency pulse value arrival upper limit it outputs ON signal Designated When the actual length exceeds the setup value in 139 Parameter Description MD280 MD280N User Manual Fumotion Deseinton OOOO counting pulse F7 05 it outputs ON signal Refer to F7 08 and value arrival F7 09 function codes for the description of length counting function When the actual length exceeds the setup value in F7 05 it outputs ON signal Refer to F7 08 and Length arrival a F7 09 function codes for the description of length counting function When the simple PLC running finishes one PLC circulation 13 circulation it output a pulse signal with width of end 250ms When the accumulated run
92. load speed and the inverter output frequency The load speed is calculated according to the value without decimal place of the output frequency of the inverter Load speed display coefficient It is used for the linear correspondence between the load speed and the inverter output frequency Decimal point position It is used to set the number of decimal places of the load speed For example if the current inverter output frequency is 50 00Hz and the linear correspondence between the load speed and the inverter output is 1 5 to 1 the F7 10 is set to 1 5000 and then 1 5x5000 7500 If the position of decimal point is set to 0 the load speed is equal to 7500 if the decimal point position is set to 1 the load speed is equal to 7500 0 and the method applies in the same manner behind Accumulated running F7 12 Factory default value SS Setup range Oh to 65535h It is used to display the accumulated running time of the inverter When the accumulated running time F5 12 reaches this setup running time the multifunctional digital output terminal DO will output ON signal Refer to the description of Running Time Arrival of output terminal in Group F3 for details Caution The accumulated running time cannot be restored to the factory default value but can be cleared to zero through clearing the record information Refer to FP 01 function code for the description 170 MD280 MD280N User Manual Parameter Description LED runnin
93. locity tracking fastness and slowness value Setup range 1 to 100 When it is in the mode of rotation speed tracking startup it is used select the fastness and slowness of tracking the rotation speed The higher the parameter value is the faster the tracking velocity is but too higher value may cause unreliable tracking im Sem Startup frequency fut value 0 00Hz 0 00Hz maximum frequency Setup range range PE Setup range 0 0s to 36 0s To ensure the torque at the time of startup proper startup frequency shall be set In addition in order to set up magnetic flux when waiting for the startup of the motor the startup frequency shall remain for a certain period of time before accelerating to the setup frequency as shown in Fig 6 10 Startup frequency Factory 0 0s retention time default value If the frequency reference value frequency source is lower than the startup frequency the inverter cannot start and will be in standby status Example 1 FO 01 0 means the frequency source is digital reference FO 03 10 00Hz means the digital setup frequency is 10 00Hz F4 03 5 00Hz means the startup frequency is 5 00HZz F4 04 2 0s means that the startup frequency retention time is 2 0s In this case the inverter will be in the standby status and its output frequency is OHz Example 2 FO 01 0 means the frequency source is digital reference 145 Parameter Description MD280 MD280N User Manual FO 03 10 00Hz means
94. minal Frequency Source Switching In this way it can realize mutually switching between the frequency reference modes such as switching between PID running and common running switching between simple PLC and common running switching between pulse setup and analog setup and switching between analog setup and common running 117 Parameter Description MD280 MD280N User Manual Auxiliary frequency source offset digital Factory default value setup Setup range 0 00Hz to Maximum frequency F0 04 It is valid only at the time of frequency source overlap reference Group F1 Motor Parameter V F Control Parameter fult Model co Rated power Factory defult odel dependent value Setup range 0 2kKW to1000 0kW Rated voltage ns defult Model dependent Setup range OV to 480V Rated current it bs Model dependent Setup value 0 1A to 6553 5A F fult Model Rated frequency a ult odel dependent 0 00Hz to maximum frequency Setup range F0 04 1 Please set the parameters according to the nameplate parameters of the motor 2 To ensure the control performance the motor shall be configured according to the standard configuration of the motor If the motor power has significant difference with the configuration of the standard motor the control performance of the inverter may be degraded 3 When Modify the rated power the drive power estimates under the rated current no load current stator resistance Therefor
95. minal function Factory 8 Free stop selection default value E2 04 DI5 terminal function Factory 0 No function selection default value Parameters below are used to set the corresponding functions for the digital multi purpose input terminals Functions of DI terminal could not be selected repeatedly except zero If a function is unable to be selected please check whether the function has been selected by other terminals Setup value 0 Nofunction The input terminals have no function Forward rotation When command source FO 00 is set as FWD terminal command channel forward or Description 1 Reverse rotatio reverse running of the inverter will be REV controlled via the external terminal Refer 3 Three line running to description of functional codes of group control F2 06 for the settings of forward and 125 Parameter Description MD280 MD280N User Manual Setup us _Fumeton _Desotpen reverse reverse rotations sSY coward rotation rotation The forward jog and reverse jog of the Jog FJOG inverter are controlled via the external terminals Refer to the descriptions of Reverse rotation function codes F5 00 F5 01 and F5 02 Jog RJOG for the details of jog running frequency and jog speed up speed down time O6 Terminal UP When command source F0 01 is set as Digital Setup the increase or decrease of the setup frequency is implemented T Terminal DOWN th
96. nal 0 Forward Rotation T COM Digital public terminal Fig 6 7 Three Mode Running Mode 2 133 Parameter Description MD280 MD280N User Manual Where SB1 Running enable button and stop button SB2 Running button K The switch for direction selection Factory default 1 00HZz s velocity aie Setup range 0 01Hz s to 100 00HZ s It is used to set the change rate when the setup frequency is adjusted with terminals UP DOWN Factory from emma e EI oA of Al1 minimum input default value Setup value value 100 0 to100 0 Al1 maximum input Racy 10 00V default value Setup value F2 08 to 10 00V Factory default value 0 F2 12 Setup value 1 Set by Al2 Corresponding setup of Al1 maximum input Setup value 100 0 to 100 0 Al1 input filtering Factory 0 10s ae default value Setup value value 0 00s to 10 00s The parameters above mentioned define the relationship between analog input voltage and the analog input setup value When analog input voltage exceeds the set maximum input or minimum input limit the voltage beyond the limit will be calculated by maximum input or minimum input as shown in Fig 6 9 Al input filtering time Al1 input signal will be filtered The longer the filtering Terminal UP DOWN Corresponding setup of Al1 maximum input Factory 0 default value ue 134 MD280 MD280N User Manual Parameter Description time lasts the stronger the interfere
97. nalog 1OV O 2 Bm ey oi r g Output 0 10V 0 20mA IY ie 24 E J2 wo Pulse Output FMP or Open 2 we opa Pe Frequency Source 0 10V io cCOo Collector Optional E JP AI2 Frequency Source 0 10V DO2 Digital Output Terminal a T j A i T B RELAY I Fault Output by default T C Fig 3 6 Schematic Diagram for the Wiring Connection of Three Phase Inverters of MD280T75G 90P to MD280T400G 450P 59 MD280 MD280N User Manual Mechanical and Electrical Installation 3 2 4 Main Circuit Terminals and Wiring Make sure that the wiring operation shall be carried out only when the power supply switch is in OFF position or there may be risk of electric shock Only the professional technicians who have received training can perform wiring or it may cause injuries to the equipment and human body It shall be grounded reliably or there may be risk of electric shock or fire acciden Make sure that the input power supply and the rated value of the inverter shall be consistent or it may damage the inverter Make sure that the motor is compatible with the inverter or the motor may be damaged or inverter protection may be caused Do not connect the power supply to the U V W terminals or it may damage the inverter Do not connect the brake resistor to the DC bus terminals and directly or there may be fire accident 1 Description of main circuit terminals of single phase inverter
98. nce immunity will become but adjustment response will be slow down the shorter the filtering time lasts the faster the response will be but the interference immunity will become weak In various application cases the nominal value corresponding to 100 of analog reference will be different Refer to specific application description for the specific value Corresponding Settings Frequency etc Perl AIZ Frc t ct tt ttt tt eH Pa F i f i Q I I l 7 1 dni F2 08 F2 10 a A AI Fig6 4 Corresponding relation between analog reference and setting value Factory Al2 minimum input default value Setup range 0 00V to F2 16 Factory Com Pn cAP I erau Al2 minimum input value Setup range 100 0 to 100 0 Factory Al2 maximum input default value Setup range F2 14 to 10 00V Al2 maximum input corresponding setup mode Factory default value F2 18 Setup range 2i Set by Al1 135 Parameter Description MD280 MD280N User Manual Factory default value Setup range 100 0 to 100 0 Corresponding setup of Al2 maximum input Factory Al2 input filtering time default value Setup range 0 00s to 10 00s Al2 is similar to Al1 in terms of setup method When Al2 channel is analog current input if the input current is OmA to 20mA the corresponding input voltage is OV to 10V If the input current is 4mA to 20mA 4mA current corresponds to 2V voltage if it needs to make 4mA to 20mA
99. nction code F1 13 FC 08 Oscillation Factory default Model dependent suppression gain value 189 Parameter Description MD280 MD280N User Manual a Setup range O to 100 Please refer to the description of function code F1 17 Speed up speed down time selection of the Factory default value second motor 0 Be consistent with the first motor ae 1 Speed up speed down time 1 range The function code defines the speed up speed down time selection of the second motor O Speed up speed down time of the second motor is consistent with the first motor s 1 The speed up speed down time of the second motor is speed up speed down time 1 that is FO 09 speed up time 2 and F5 05 speed down time 2 The speed up speed down time of the second motor is speed up speed down time 2 that is F5 04 speed up time 2 F5 05 speed down time 2 Group FF Factory Default Parameters Reserved Group FP User password User password Factory default value Setup range 0 to 65535 The password setting function is used to prohibit the unauthorized person from viewing and modifying the parameters When the parameter is set to any non zero number the password protection function is enabled If no password is needed change the parameter value to 00000 After the user password is set and takes effect when entering the password setting state if the user password is incorrect you cannot view and modify the parameter Y
100. nd then connect the DC reactor between P and There is no polarity between the reactor terminal and the inverter terminals P and After the DC reactor is mounted the short circuit bus between P and will not be used MD280 MD280N User Manual 2 6 Optional Parts Table 2 7 Seas Parts of MD280 Inverter MDBU 70 B Built in brake unit External brake unit External LED operation panel without potentiometer External LED operation panel with potentiometer Extended cable MDKE2 MD28KE2 MDCAB Standard built in brake unit of configured inverter of below 15G 18 5P Built in brake unit of inverter of 18 5G 22P to 30G 37P External built in brake unit of inverter of over 37G 45P External LED display and operation keyboard External LED display and operation keyboard Standard 8 core network cable is used as the extended cable for the external keyboard Product Information Built in brake unit of three phase slave 0 75kW to 15G 18 5P is standard configuration 55G 75P or above is required it can employ the parallel mode A12 External input is used Take the potentiometer on the keyboard as Al2 input Standard Configuration of 3m If you need such option parts please specify when placing the order 2 7 Routine Repair and Maintenance of Inverter 2 7 1 Routine Repair The influence of the ambient temperature humidity dust and vibration will cause the burning of the devices in the
101. nded ed Contactor Side Main Side Main Control Circuit Circuit Circuit Wire Wire mm 150 2 150 2 185 2 185 2 150 3 150 3 MD280T355G 400P 1000 150 4 150 4 3 2 2 Use instruction of peripheral electric parts Table 3 2 Guide to the Use Instruction of Peripheral Electric Parts of MD280 Inverter Circuit breaker AC input reactor Installation Location The front end of the input circuit Between the circuit breaker and the inverter input side Input side of the inverter Function Description Disconnect the power supply in case of downstream equipment is over current Power on and power off of the _ inverter Frequent power on power off operation on the inverter shall be avoided Improve the power factor of the input side Eliminate the high order harmonics of the input side effectively and prevent other equipment from damaging due to voltage waveform deformation Eliminate the input current unbalance due to the AT lt Mechanical and Electrical Installation MD280 MD280N User Manual EMC input filter DC reactor AC output reactor Installation Location Input side of the inverter MD280 series inverter of above 7 5G 11P adopts DC reactor as standard Between the inverter output side and the motor close to the inverter Function Description unbalanced power phases 1 Reduce the external conduction and radiation interference of the inverter
102. ng slope of output frequency is fixing within the time of t1 and t2 Pal ad cto 4 Fig 6 13 Schematic Diagram for speed up speed down A of S curve t Fig 6 14 Schematic Diagram for speed up speed down A of S curve 149 Parameter Description MD280 MD280N User Manual Stop mode Factory default value Oo o o F4 10 0 Speed down to stop Setup range Shaner es Free stop 0 Speed down to stop When the stop command is valid the inverter will decelerate to stop according to the setup deceleration time 1 Free stop When the stop command is valid the inverter will terminate the output immediately and the load will coast to stop according to the mechanical inertia 150 MD280 MD280N User Manual Parameter Description DC brake initial Factory default F4 11 frequency at stop nee Setup range 0 00Hz to maximum frequency DC brake waiting time Factory default 0 0s F4 12 at stop value l Setup range 0 0s to 36 0s DC brake current at Factory default 0 F4 13 stop value i Setup range 0 to 100 Factory default Setup range 0 0s to 36 0s DC brake initial frequency at stop During the process of decelerating to stop when the running frequency at stop reaches this frequency it will start the process of DC brake at stop DC brake waiting time at stop Prior to the beginning of DC brake at stop the inverter will terminate the output and then start DC brake after this delay time It is used
103. ning time F7 12 of the inverter exceeds the setup time F5 12 it outputs ON signal Refer to F5 12 and F5 13 function codes for the description of timing function Communication It is controlled by the host computer Refer to MD280 control Series Communication Protocol for details When the inverter has no fault and the bus voltage works normally and the inverter is ready for running 16 RUN ready it outputs ON signal Upon normal startup it closes the output When the voltage value of analog input Al1 is higher 17 Al1 gt Al2 than that of analog input Al2 it output ON signal Zero current is When the zero current is detected it output ON detected signal Run time reached External brake Refer to F5 39 and F5 40 signal Software over curent DO Refer to F5 27 FMP and AO Factory output selection default value The standard output zero offset is 0 and gain is 1 of the analog output is O to 20mA or OV to 10V and the FMP output range is between OHz and setup value of function code F3 08 The corresponding value range is as shown in the table below 140 MD280 MD280N User Manual Parameter Description Sette runcton ame value Running O to maximum output frequency FO 04 setup value frequency Output Current O to 200 of the rated current of the inverter Al ee ee Counting value O to setup counting value setup value of F7 08 Communication Refer to MD280 Serial Communication Protocol for control out
104. o it starts at the startup frequency When the DC brake time is non zero value it can perform DC brake before start It is suitable for the applications where small inertia may cause reverse rotation at the time of startup 1 Rotation velocity tracking startup The inverter firstly judges the rotation velocity and direction of the motor and then starts at the frequency corresponding to the tracked rotation velocity of the motor and performs smooth startup of the motor in rotation without impact It is suitable for the applications where large inertia is restarted due to transient power shutdown In order to ensure the performance of the rotation velocity tracking startup it needs set the motor parameters Group F1 correctly F faul Rotation speed tracking mode ARO GOTAN o value o Start from stop frequency Setup range Start from zero speed Start from maximum frequency In order to complete the rotation speed tracking process in the shortest period it can select the mode of inverter tracking the rotation velocity of motor 0 Track downward from the frequency at the time of stop which is generally selected at first 1 Track upward from zero frequency which is used when the inverter is restarted upon long period of power shutdown 144 MD280 MD280N User Manual Parameter Description 2 Track downward from the maximum frequency which is generally used for power generating load Factory default Rotation ve
105. oad alarm 9 Inverter overload alarm 10 Setup counting value arrival 80 MD280 MD280N User Manual Function Parameter Table Factory Minimu Setup Range Default 11 Designated counting arrival 12 Length arrival 13 PLC circulation end 14 Run time arrival 15 Communication control 16 RUN ready 17 Al1 gt Al2 18 Zero current is detected Function code 0 Running frequency 1 Setup frequency 2 Output current 3 Output power and AO 4 PULSE input F3 05 output 5 al selection 6 Al2 7 Length value 8 Counting value 9 Communication control output AO zero offset F3 06 100 0 to 100 0 coefficie nt F3 07 AO gain 10 00 to 10 00 Maximu m frequenc 0 1kHz to 50 0kHz 50 0kHz x RELAY F3 09 0 0s to 3600 0s 0 0s Ww output 8 Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default delay time DO1 output 0 0s to 3600 0s delay time F3 11 0 0s to 3600 0s F3 12 0 0s to 3600 0s DO output terminal F3 13 0 to 15 1 valid status selection Group F4 Start Stop Control Startup 0 Direct startup F4 00 mode 1 Rotation velocity tracking startup Rotation 0 Start from stop frequency speed F4 01 1 Start from zero speed tracking 2 Start from maximum frequency mode Rotation speed F4 02 1 to 100 tracking fastness _ 82 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range D
106. oard RUN Running key control mode In running status it can stop the running by pressing this key STOP RES Stop reset In alarm status it can reset operation with this key The characteristics of this key are limited by function code F7 17 Multi function MF K It is used as function switching selection according to F 15 selection key 4 2 Description of Function Code Viewing and Modification Method The operation panel of MD280 inverter adopts three level menu structure to perform parameter setting The three level menu includes function parameter group level 1 menu gt function code level 2 menu setting value of function code level 3 menu The operation process is as shown in Fig 4 3 63 Operation and Display MD280 MD280N User Manual Modification of Modification Modification Function Code fi ies First level Meni Second level IF are level Menu Fig 4 3 Operation Process of Three Level Menu Caution When operating on level 3 menu press PRG key or ENTER key to return to level 2 menu The difference between ENTER and PRG keys is that pressing ENTER KEY will save the setup parameter and return to level 2 menu and then automatically shift to the next function code while pressing PRG key will directly return to level 2 menu without saving the parameter and it will return to the current function code Take the modification of function code FO 05 from 10 00Hz to 15 00Hz as an example The boldface bit indica
107. ocess y No If the acceleration time is too short st Prolong ne lt aeceleraven time No If the brake unit and brake Yes Install brake unit and brake resistor are installed resistor y No Ask for technical support Fig 8 4 Acceleration over voltage ERRO5 lt eS Adjust the voltage to normal range es Remove the external forces or install brake resistor i Deceleration over voltage If the input voltage is too high No If there are external forces driving the motor to run during the acceleration process ves Adjust the voltage to normal range Yes Remove the external forces or install brake resistor y No If the acceleration time is too short T Prolong the acceleration time or install the brake resistor No If the brake resistor are installed y No Ask for technical support Fig 8 5 Deceleration over voltage ERRO6 G Install brake resistor 204 MD280 MD280N User Manual Fault Diagnosis and Countermeasures Constant over voltage If the input voltage is too high No If there are external forces driving the motor to run during the running process Yes Adjust the voltage to normal range Yes Remove the external forces or install brake resistor y No Ask for technical support Fig 8 6 Constant speed over voltage ERRO7 Buffer resistance overload fault t Check if the input voltage is within the the range as specified by the s
108. of products 2 2 Nameplate MODEL MD280NT7 5GB 11PB POWER 7 5kKW 11kW INPUT 3PH AC380V 26A 50HZ 60Hz OUTPUT 3PH ACOV380V 25A Oe OAR S N Shenzhen Inovance Technology Co Ltd Fig 2 2 Nameplate MD280 MD280N User Manual Product Information 2 3 MD280 Series Inverter Table 2 1 MD280 Inverter Model and Technical Data Rated Output Power Input Adaptable Inverter model Input l P current p capacity current Motor Voltage kVA A kW A Single Phase Range 15 to20 40 230 96 22 Three Phase Range 15 to 20 89 146 9 0130 690 920 750010 3745 500 0 MD280T55G 75P 114 0 157 0 112 0 150 0 55 75 19 Product Information MD280 MD280N User Manual Rated Output Power Input Adaptable Inverter model Input l k current P capacity current Motor Voltage kVA A kW A MD280T355G 400P 965 0 785 0 650 0 725 0 355 400 MD280T400G 450P 883 0 752 0 820 0 400 450 Table 2 2 MD280 Inverter Model and Technical Data 40 20 96 22 89 205 130170 55 690 920 75 0910 37 45 MD280NT45G 55P 113 0 91 0 112 0 45 55 MD280NT55G 75P 114 0 112 0 150 0 MD280 MD280N User Manual Product Information 2 4 Technical Specifications Table 2 3 MD320 Inverter Technical Specifications olem Specifications Maximum frequency Carrier 0 5k to 16kHz the carrier frequency will be automatically frequency adjusted according to the load characteristics Input Digi
109. of the fifth segment of PLC Running time of the sixth segment of PLC Speed u p speed down time selection of the sixth segment of PLC MD280 MD280N User Manual 0 0s h to 6553 5s h 0 Speed up speed down time 1 1 Speed up speed down time 2 0 0s h to 6553 5s h 0 Speed up speed down time 1 1 Speed up speed down time 2 _ 96 MD280 MD280N User Manual Factory Minimu Function code Setup Range Default Change m Unit Value F8 26 F8 27 Running time of the seventh segment of PLC Speed u p speed down time selection of the seventh segment of PLC Function Parameter Table 0 0s h to 6553 5s h 0 1s h 0 0s h ve 0 Speed up speed down time 1 1 Speed up speed down time 2 SSS SS mona U EOE F9 Reserved B m Baud FA 00 rate Data FA 01 format Group FA Communication Parameters 300BPS 600BPS 1200BPS 2400BPS 4800BPS 1 j i 9600BPS 19200BPS 38400BPS No parity check Even check Odd check _97 Function Parameter Table MD280 MD280N User Manual Factory Function code Setup Range Default Local 0 to 247 O is the broadcast FA 02 address address Respons FA 03 Oms to 20ms e delay Commu FA 04 nication 0 0s to 60 0s overtime FB Fault and Protection Motor overload _ 0 Invalid FB 00 protectio 1 Valid n selection Motor FB 01 a 0 20 to 10 00 protectio n gain Motor overload FB 02 prealarm
110. on Reverse Rotation _ D COM Digital public terminal Rey Digital input terminal Fig 6 6 Two line Mode Running Mode 2 1 Three line running mode 1 Din terminal serves as running enable terminal and the forward reverse rotation is controlled by FWD and REV terminals respectively with actibe rising edge while the stop command is performed by disconnecting the Din terminal The descriptions on the terminal running command are as shown in Fig 6 7 SB2 CFD Digital input terminal SB1 i Din Three line mode running control terminal SB3 i poo pey Digital input terminal COM Digital public terminal Fig6 7 Three line Mode Running Mode 1 132 MD280 MD280N User Manual Parameter Description Where SB1 Running enable button and stop button SB2 Forward rotation button SB3 Reverse rotation button Din ranges between DI1 and DI5 In this case it shall define the corresponding terminal function setting as No 3 function Three line Running Control 3 Three line running mode 2 Din terminal serves as running enable terminal and the running command is given by the FWD terminal while the running direction depends on the status of REV terminal The stop command is performed by disconnecting the Din terminal The descriptions on the terminal running command are as shown in Fig 6 8 K Running Direction ae ee Selection FWD Dita input termi
111. ontent low order 88H CRC CHK values are to be calculated CRC CHK high order 3 Cyclical Redundancy Check In RTU mode messages include an error checking field that is based on a CRC method The CRC field checks the contents of the entire message The CRC field is two bytes containing a 16 bit binary value The CRC value is calculated by the transmitting device which appends the CRC to the message The receiving device recalculates a CRC during receipt of the message and compares the calculated value to the actual value it received in the CRC field If the two values are not equal an error results The CRC is started by OxFFFF Then a process begins of applying successive eight bit bytes of the message to the current contents of the register Only the eight bits of data in each character are used for generating the CRC Start and stop bits and the parity bit do not apply to the CRC 218 MD280 MD280N User Manual Appendix During generation of the CRC each eight bit character is exclusive ORed with the register contents Then the result is shifted in the direction of the least significant bit LSB with a zero filled into the most significant bit MSB position The LSB is extracted and examined If the LSB was a 1 the register is then exclusive ORed with a preset fixed value If the LSB was a 0 no exclusive OR takes place This process is repeated until eight shifts have been performed After the last eighth shift the next ei
112. orage of the inverter 1 Place the inverter back into the packing box following the original package 2 Long term storage will degrade the electrolytic capacitor The product shall be powered up once every 2 years and the power up time shall be no less than 5 hours The input voltage shall be increased slowly to the rated value with the regulator 2 8 Instructions on Warranty of Inverter Free warranty only applies to the inverter itself 35 2 Product Information MD280 MD280N User Manual 1 Our company will provide 18 month warranty starting from the leave factory date as indicated on the barcode for the fault or damage under normal use conditions If the equipment has been used for over 18 months reasonable repair expenses will be charged 2 Reasonable repair expenses will be charged for the following situations within 18 months 1 The equipment is damaged because the user fails to comply with the requirements of the user s manual 2 Damage caused by fire flood and abnormal voltage 3 Damage caused when the inverter is used for abnormal function The service expenses will be calculated according to the standard of the manufacturer If there is any agreement the agreement shall prevail 2 9 Guide to Model Selection When selecting inverter firstly make clear the details regarding the technical requirements for variable frequency speed adjustment of the system applications of inverter and load characteristics and
113. orized PLC running phase and running time and restores to the initial status of PLC running When this terminal command is valid the Swing frequency inverter maintains the frequency output of the swing frequency center and the swing frequency pauses Counter input It is used as input terminal of the counting 23 DI5 pulse Speed up speed down disabled PLC status reset When this terminal command is valid it clears the counting value of the counter to 24 Counter reset zero Refer to the description of F7 08 and F7 09 function codes for the counting function 25 Length counting It is used as pulse input terminal of the input DI5 length counting When this terminal is valid it clears the ena coun length counting to zero Refer to the 26 g g description of F7 05 F7 06 and F7 07 reset l function codes for the length counting function When this terminal command is valid m Interchange of Al1 interchange Al1 and Al2 setting value But and Al2 settings it does not affect the maximum input corresponding setting mode of Al1 and Al2 When the terminal command is valid the Frequency source current frequency switches to AIl1 28 switching reference It is valid only for setting FO 18 switches to Al1 frequency source overlapping selection to 0 128 MD280 MD280N User Manual Parameter Description Setup Vae Function Description Al1 is used as the function selection of
114. ou can only view the operation display parameters and stop display parameters Please keep your password in mind If you set the password mistakenly or forget the password please contact the manufacturer Parameter initialization Factory default value 190 MD280 MD280N User Manual Parameter Description setup LO No operation j Restore the factory default value range Clear memory 0 No function 1 The inverter restores all the parameters excluding the following parameters to the factory default values 1 Motor parameters Group F1 F1 00 to F1 03 F1 15 and F1 16 2 Accumulated running time F7 12 and inverter module temperature FB 19 3 Fault type parameters FB 20 to FB 27 4 User password FP 00 2 clear memory The inverter clears the fault records FB 20 to F1 03 and accumulated running time F7 12 to zero 191 Parameter Description MD280 MD280N User Manual 192 EMC EMC MD280 MD280N User Manual Chapter 7 EMC Electromagnetic Compatibility 7 1 Definition Electromagnetic compatibility is the ability of the electric equipment to run in the electromagnetic interference environment and implement its function stably without interferences on the electromagnetic environment 7 2 EMC Standard Description In accordance with the requirements of the national standard GB T12668 3 the inverter needs to comply with electromagnetic interference and anti electromagnetic interference r
115. output terminal DO or fault relay RELAY will output motor overload prealarm signal Factory rane overt Ovter voltage stall gain Setau valie Ea Setup range range O to 100 Factory default value Setup range 120 to 150 Over voltage stall gain It adjusts the inverter s capacity in suppressing the current stall The bigger the value is the stronger the capacity is For the load with small inertia the value should be small Otherwise the dynamic response of the system will be slow For the load with large inertia the Over voltage stall protection FB 04 voltage 180 MD280 MD280N User Manual Parameter Description value should be large Otherwise the suppressing result will be poor and over voltage fault may be caused Over voltage stall protection voltage It selects the protection point for over voltage stall function When the value is exceeded the inverter starts to execute the over voltage stall protection function Over current stall gain PAIAY 20 default value Setup range O to 100 Over current stall Factory default 150 FB 06 E current value Setuprange range 100 to 200 Over current stall When the output current of the inverter reaches setup over current stall protection current FB 06 if the inverter is running with acceleration speed it will stop acceleration When the inverter is running with constant speed it will reduce the output frequency When the inverter is running with decele
116. ower fault without memory prang Power fault memory PLC power fault memory The PLC running phase before power fault is memorized If it runs upon power on it will run from the memorizing phase Running time unit Factory default po value range It is used to set the time unit of running at each phase and can select such time units as second and hour Caution Stop without memo en meane We oen F8 12 segment of PLC a Setup range Speed up speed cow time selection of zero segment of ig a first segment of PLC value Speed up speed down time selection of the first segment of PLC Setup range 0 Speediuplepeestdown _ Running time of the acordei E8 16 second segment of vali i PLC Setup range 0 0s h to 6553 5s h Setup o ls second i Factory default value Factory default value Speed up speed down time selection of the Factory default second segment of value F8 17 PLC Ge Speed up speed down 1 Set 177 Parameter Parameter Description sss MD280 MD280N User Manual MD280 MD280N User Manual oe ea me om F8 18 third segment of ic ae value Setup range 0 0s h to 6553 0 0s h to 6553 5s h stst i Y Speed up speed down time selection of the third segment of 2 Setup ranae 0 Speed up speed down 1 iia 4 Speed up speed down 2 Running time of the Factory default 0 0s h fourth segment of PLC value Setup range 0 0s h to 6553 5s h Speed up speed down Factory default t
117. pecifications No Adjust the voltage to normal range y No Ask for technical support Fig 8 7 Buffer resistance overload fault Err08 205 Fault Diagnosis and Countermeasures MD280 MD280N User Manual Under voltage fault y If there is transient power failure No Detect if the voltage at the input end of the inverter is within the range as Yes Reset the inverter Adjust the power supply or eliminate the external power For the reference of maintenance personnel specified by the specifications circuit failure Yes Measure if the DC bus voltage is normal No Check if the rectifier bridge and Replace the broken rectifier buffer resistor are normal j bridge or buffer resistor Yes Check if the drive board is normal Replace the drive board j Yes Check if the main control board is normal Replace the control board Fig 8 8 Under voltage fault ERROQ Inverter Motor overload Overload If the motor protection parameter is set properly Yes Yes Setthis parameter properly Reduce the load and check If the load is too heavy or motor does not rotate No The inverter model is small Fig 8 9 Under voltage overload Err10 Err11 the motor and machinery 206 MD280 MD280N User Manual Fault Diagnosis and Countermeasures Phase loss at the input side Check and resolve the problems in the external lines to ensure that the Check if
118. please set the rated power and then set the rated current no load current stator resistance V F curve setup pactohy Getu value Set o Straight V F curve 118 MD280 MD280N User Manual Parameter Description ey Multi point V F curve Square V F curve This parameter defines the V F setup way so as to meet the requirements of various load characteristics 0 Straight V F curvelt is suitable for the ordinary command torque load 1 Multi point V F curve It is suitable for such special loads as dehydrator and centrifugal machine It can be self defined Refer to the description of functional codes of Group F1 07 to F1 12 for details 2 Square V F curve It is suitable for such special loads as fan and pump 119 Parameter Description MD280 MD280N User Manual l Factory default 7 Setup range 0 0 Cauto to 30 0 Torque hoist cut off Fatory default 50 00Hz F4 06 frequency value Set 0 00Hz to maximum output frequency ie aaa FO 04 To compensate the V F control low frequency torque characteristics increase compensation will be provided for the inverter output voltage upon low frequency Torque hoist it will be set according to the percentage of input rated voltage to the inverter Below are explanations of setting torque increase 1 When the torque hoist is set as 0 0 the inverter will adopt auto torque hoist 2 This parameter can be properly hoisted for small motor while for large motor the pa
119. ply may damage the inverter Thus at some places where mains quality is rather poor it is recommended to install AC input reactor 194 MD280 MD280N User Manual EMC 7 3 2 Electromagnetic Interference and Installation Precautions There are two kinds of electromagnetic interferences one is interference of electromagnetic noise in the surrounding environment on the inverter and the other is interference of inverter on the surrounding equipment Installation precautions A The earth wires of the Inverter and other electric products shall be well grounded B The power input and output power cables of the inverter and weak current signal cables e g control line shall not be arranged in parallel and vertical arrangement is preferable C It is recommended that the output power cables of the inverter employ shield cables or steel pipe shielded cables and that the shielding layer be grounded reliably The lead cables of the equipment suffering interferences are recommended to employ twisted pair shielded control cables and the shielding layer shall be grounded reliably D When the length of motor cable is longer than 100 meters it needs to install output filter or reactor 7 3 3 Handling method for the interferences of the surrounding electromagnetic equipment on the inverter The electromagnetic interference on the inverter is generated because plenty of relays contactors and electromagnetic brakes are installed near the inve
120. put details Facto Zero offset ry 0 0 default value Setup range 100 0 to 100 0 Factory Setup range 10 00 to 10 00 AO standard output means to output 0 to OV or OmA to 20mA and the corresponding analog output is 0 to maximum AO zero offset coefficient and gain are generally used to modify the zero drift of the analog output and can also be used to modify the standard output as analog output value corresponding to any required curve If b represents zero offset k represents k Y represents actual output and X represents standard output the actual output is calculated as follows Y kX b AO zero offset coefficient 100 corresponds to 10V 20mA For example if the analog output is the running frequency and it is expected to output 8V 16mA when the frequency is 0 and output 3V 6mA at the maximum frequency the standard output OV to 10V shall be modified to 8V to 3V output As per the above formula AO zero offset coefficient shall be set to 80 while AO gain shall be set to 0 50 141 Parameter Description MD280 MD280N User Manual Factory default 50 0kHz value Setup range 0 1kKHz to 50 0kHz When the multifunctional terminal output function F3 00 selects FMP pulse output it can set the maximum frequency value of output pulse RELAY output delay Factory 0 0s time default value DO1 output delay Factory i 0 0s time default value DO2 output delay Factory 0 0s time default val
121. r cables employ shielded cables and are well grounded install ferrite magnetic ring with suppressing frequency of 30 to 1 000MHz at the output side of the inverter and wind it 2 to 3 cycles install EMC output filter in more severe conditions Bs When the equipment suffering interferences and the inverter use the same power supply it may cause conduction interference If the above methods cannot remove the interference it shall install EMC filter between the inverter and the power supply refer to Section 7 3 6 for the prototyping operation Cs The surrounding equipment is separately grounded which can avoid the interference caused by the leakage current of the inverters grounding wire when common grounding mode is adopted 7 3 5 Leakage current and handling There are two forms of leakage current when using the inverter One is leakage current to the earth and the other is leakage current between the cables 1 Factors of affecting the ground leakage current and solutions There are distributed capacitance between the lead cables and the earth The larger the distributed capacitance is the larger the leakage current will be The distributed capacitance can be reduced by effectively reducing the distance between the inverter and the motor The higher the carrier frequency is the larger the leakage current will be The leakage current can be reduced by reducing the 196 MD280 MD280N User Manual EMC carrier frequency However
122. rameter Table MD280 MD280N User Manual Factory Function code Setup Range Default F8 14 F8 15 F8 16 nt running time of PLC Speed u p speed down time selection of 0 segme nt of PLC Running time of the first segment of PLC Speed u p speed down time selection of the first segment of PLC Running time of the second segment of PLC 0 Speed up speed down time 1 1 Speed up speed down time 2 0 0s h to 6553 5s h 0 Speed up speed down time 1 1 Speed up speed down time 2 0 0s h to 6553 5s h _ 94 MD280 MD280N User Manual Function Parameter Table Factory Minimu Function code Setup Range Default Speed u p speed down time 0 Speed up speed down time 1 F8 17 selection 1 Speed up speed down time 2 of the second segment of PLC Running time of F8 18 the third 0 0s h to 6553 5s h segment of PLC Speed u p speed down time 0 Speed up speed down time 1 F8 19 selection 1 Speed up speed down time 2 of the third segment of PLC Running time of the F8 20 0 0s h to 6553 5s h fourth segment of PLC Speed u ey p speed 0 Speed up speed down time 1 down 1 Speed up speed down time 2 time _95 Function Parameter Table Factory Function code Setup Range Default F8 22 F8 23 F8 24 F8 25 selection of the fourth segment of PLC Running time of the fifrth segment of PLC Speed u p speed down time selection
123. rameter can be properly decreased 3 Ifthe torque hoist is set to be too large the motor may have over temperature and the inverter may have over current Torque hoist cut off frequency As shown in Fig 6 2 the torque hoist is valid when the cutoff frequency is below this setting frequency Otherwise the torque hosit will be invalid Output Voltage vb l output Frequency Hz Manual Torque Boost Voltage fl Cutoff Frequency fb Rated Running Frequency of Torque Boost Fig 6 2 schematic diagram for manual torque hoist vb Maximum Output Voltage 120 MD280 MD280N User Manual Parameter Description Multi point V F frequency ia point f1 te Setup range 0 00Hz to F1 09 Factory Multi point V F voltage default i 1 point v JAE Setup range 0 0 to 100 0 Factory default value Multi point V F frequency point f2 Setup range F1 07 to F1 11 E Factory Multi point V F voltage default int v2 PONEY value Setup range 0 0 to 100 0 Multi point V F frequency E point f3 ie F1 09 to rated frequency of motor F 1 03 Factory default value 0 0 to 100 0 Six parameters of F1 07 to F1 12 define the multi point V F curve The frequency point setup range is 0 00HZz to rate frequency of motor and the voltage setup range is 0 0 to 100 which corresponds to OV to rated voltage of motor The setup value of multi point V F curve is generally set in accordance with the load characteristics of
124. ransient stop non stop function is as shown in Fig 6 23 If the transient stop non stop reduction rate is set to a smaller value the load feedback value will be small and the low voltage cannot be compensated effectively If this parameter value is too large the load feedback energy is large and over voltage protection will be caused Factory default value 10 00HZ s 183 Parameter Description MD280 MD280N User Manual Please adjust this parameter according to the load inertia and weight Voltage V wo FBO soe Bus Voltage i Time Output Frequency Setup Frequency Acceleration Time 1 or Acceleration Time 2 Time Fig6 23 Schematic Diagram for Instantaneous Stop non stop Running Fault auto reset Factory default times value Setup range O to 10 When the inverter selects fault auto reset it is used to set the times of auto reset If this value is exceeded the inverter will perform fault protection Caution 1 Auto fault reset will not reset the external faults and running time arrival fault automatically 2 Ifthe fault is reset manually it will clear the times of auto reset to zero Fault relay action selection during fault auto reset period Select whether the fault relay a fi tine outputs fault alarm signal J l during fault auto reset period Factory default value Factory default Fault auto reset interval y value The waiting time of the Setup 0 1s to 60 0s inverter from the fault a
125. ration speed it will stop deceleration and the operating frequency will not recover normally till the current is less than the current stall protection current FB006 Please refer to Fig 6 23 for details Over current stall protection current It selects the protection point for over current stall function When the value is exceeded the inverter starts to execute the over current stall protection function This value is relative to the percentage of rated current of the motor Over current stall gain It adjusts the inverters capacity in suppressing the over current stall The bigger the value is the stronger the capacity is 181 Parameter Description MD280 MD280N User Manual Fay Lh i jot Aa it AS RAP E it Ae fay HSM BRU Zz e H ie e nni Da DIRETE ERTE TRIAS Fig 6 26 Schematic Diagram for over current stall protection fan Ht Fat Output current whit ALE RP BY Over current stall protection current points fay LANL Output frequency W7E ALEK Setup frequency W TFE Speed up process TALK FE Constant speed process IRIE LFE Speed down process Ila Time Fig 6 26 Schematic Diagram for over current stall protection Ground short circuit protection upon power on 0 It determines whether the inverter will Factory default value Invali check if the motor has ground short Setup d circuit fault upon power on If thi
126. rce selection F0 01 is set to MS speed running mode it only needs to set the function codes of F8 00 to F8 08 to determine its characteristics MS speed 0 Factory default F8 00 reference mode value Setup Function code range F8 01 reference tf De ae B PULSE p4 PI 174 MD280 MD280N User Manual Parameter Description Preset frequency FO 03 reference UP DOWN can be changed It is used to select the reference channel of MS speed 0 Caution When F8 00 is seleted to 4 F6 00 PID reference source is not selected to 4 MS speed MS speed 0 Factory default value 100 0 to 100 0 frequency upper Setup range limit F0 05 MS speed 1 Factory default value 100 0 to 100 0 frequency upper Seu Tange fiit 0205 MS speed 2 Factory default value 100 0 to 100 0 frequency upper Soup Tange Nimit FO 058 MS speed 3 Factory default value 100 0 to 100 0 frequency upper Setup range limit F0 05 MS speed 4 Factory default 0 0 value 100 0 to 100 0 frequency upper Sem range timit 0 05 Factory default P 100 0 to 100 0 frequency upper Soup ange limit 0205 Factory default 100 0 to 100 0 frequency upper SeMUp Ange liiimit FO 085 Factory default i 100 0 to 100 0 frequency upper SSP Tange imit F0 05 175 Parameter Description MD280 MD280N User Manual When the frequency source parameter FO 01 is set to PLC running mode it only needs to set the function code
127. response 2 Application Method The inverter will be connected into a Single master Multi slave PC PLC control net with RS232 RS485 bus 3 Bus structure 1 Interface mode RS485 Hardware interface The RS232 RS485 conversion device is required when the interface of the external device is RS232 2 Transmission mode There provide asynchronous series and half duplex transmission mode At the same time just one can send the data and the other only receives the data between master and slave In the series asynchronous communication the data is sent out frame by frame in the form of message 3 Topological mode In Single master system the setup range of slave address is 0 to 247 Zero refers to broadcast communication address The address of slave must is exclusive in the network That is one condition of one slave machine 4 Protocol Description 215 Appendix MD280 MD280N User Manual MD280 series inverter communication protocol is a asynchronous serial master slave communication protocol in the network only one equipment and master can build a protocol Named as Inquire Command Otherequipments slave s response Inquire Command of master only by providing the data or doing the action according to the master s Inquiry Command Here master is Personnel Computer Industrial Machine or Programmable logical controller and the slave is inverter Master not only visits some slave but also sends the
128. riable swing amplitude system with the swing amplitude changing with the center frequency setup frequency 1 Relative to the maximum frequency F0 04 maximum output frequency It is a fixed swing amplitude system with fixed swing amplitude that is calculated by the maximum frequency 166 MD280 MD280N User Manual Parameter Description Wing frequency Factory 0 0 F7 01 amplitude default value i Seup range 0 0 to 100 0 Setuprange 0 0 to 100 0 ra a aaa 8 F7 02 amplitude default value l Setup range It is used to determine the amplitude value and the kick frequency value Swing relative to the center frequency variable swing select F7 00 as 0 Swing AW frequency source F0 01 setup times swing amplitude F7 01 Swing relative to the maximum frequency fixed swing select F7 00 as 1 Swing AW maximum frequency F0 04 times swing amplitude F7 01 When the swing is running the kick frequency relative to the swing Swing AW times kick frequency amplitude F7 02 If Swing relative to the center frequency variable swing amplitude select F7 00 as 0 is selected the kick frequency is variable value If Swing relative to the maximum frequency fixed swing select F7 00 as 1 is selected the kick frequency is fixed value Swing frequency Factory default F7 03 cycle valle Setup range 0 0s to 3000 0 0s Triangle wave boost Factory default 50 0 F7 04 coefficient value a Setup range 0 0 to 100 0
129. rnal Keyboard Interface Multifuncticnal Digital Input Terminal 1 PENE ae nee l f Multifunctional Ipigital Input Terminal J1 A12 Voltage and current input selection Multifunctional igital Input Terminal 3 J2 AI2 Keyboard potentiometer selection Multifunctional Digital Input Terminal 4 J3 AO Output voltage current selection Multifunctional Digital Input Terminal 5 485 Interface fe f Analog Output 0 1L0W 0 20mA fe 24V Pulse Output FMP or Open at a Frequency Source 0 10V Fo Collector Optional Frequency Source 0 10V h ie DO amp Frequency Source 0 10 V Sateen DO2 Digital Output Terminal OR er W T B RELAY Fault Output by default Fig 3 6 Schematic Diagram for the Wiring Connection of Three Phase Inverters of MD280T37G 45P to MD280T55G 75P ae Mechanical and Electrical Installation MD280 MD280N User Manual al Brake Resistor L p External Reactor MDBU55 hy i o P Three phase 380W H _ input Power ae a i i ae Earth Connection External Keyboard Interface Multifunctional Digital Input Terminal 1 T 2 Ta A Multifunctional I igital Input Terminal 2 J1 A12 Voltage and current input selection Multifunctional Digital Input Terminal 3 J2 A12 Keyboard potentiometer selection Multifunctional Digital Input Terminal 4 13 40 Output voltage current selection Multifunctional Digital Input Terminal 5 2 485 Interface J4 fs i A
130. ror codes connecting with the drive board the 8 core and occur upon and control panel is in poor 16 core buses once power on contact again 3 The internal parts of the c Consult the inverter are damaged manufacturer 1 Measure the insulation ERR23 1 The motor or the o of the motor and output alarm output line is short a line with displayed circuited to the magneto ohmmeter 2 Consult the manufacturer upon earth power on 2 The inverter is damaged The inverter displays normally upon power on but ew _ The fan is either damaged or HC is Replace the fan blocked displayed upon running and stops immediately ERR14 1 Reduce the carrier module 1 The carrier frequency frequency overheating is set too high 2 Replace the fan and fault is 2 The fan is damaged or clear the air duct frequently the air duct is blocked J s Consult the 213 Fault Diagnosis and Countermeasures Fault Possible Cause Phenomenon The motor does not rotate upon Inverter running The inverter frequently reports over current fault and over voltage fault DI terminal invalid 3 The thermal coupler or others of the damaged internal parts inverter are 1 The motor is either damaged or blocked 2 The parameter is set wrongly 1 The parameter is set wrongly 2 Wiring wrongly 3 Control board fault is conducting 1 The motor parameter
131. rough the external terminal The increase decrease velocity is set by F2 07 When this terminal command is valid Freestop meaning that the inverter locks the output the load will free stop according to the mechanical inertia When this terminal command is valid Fault reset i RESET inverter s fault can be reset The function is a valid pluse When this terminal command is valid the inverter sets the way of stop according to F4 10 function code If it is PLC running at this time it will memorize the frequency and running time of the running phase at the pause time during which the PLC does not count the time External External fault signal can be inputted normally through the external terminal for monitoring fault of external equipments by inverter When the inverter detects that external equipments occur fault it will External fault stop and report ERR15 fault The fault normally closed signal input can adopt either normally input open or normally closed mode The enxternal fault normally open input is selected it may occur fault when the Pause during operation 126 MD280 MD280N User Manual Parameter Description Setup Vawe Function Description terminal is closed The external fault normally open input is selected it may occur fault when the terminal is open The setting of 8 segment speeds can be realized by the combinations of the terminal status when the frequency source F 01
132. rrent of the inverter The higher the brake current is more powerful the brake effect is DC brake time at startup It refers to the continuous DC brake time If it is set to 0 the inverter will be started directly without undergoing DC brake i Output Frequency Hz Time Output Voltage VF Effective Value DC Brake Quantity at Startup F DC Brake Current at Startup Time Running Comman Fig6 13 Schematic Diagram for Brake Current at Startup Factory default value A Straight speed up speed down 1 S curve speed up speed down mode A 2 S curve speed up speed down mode B It is used to select the frequency change mode during the inverter start and stop process Speed up speed down mode Setup range MD280 series inverter provides two types of speed up speed down times 0 Straight speed up speed down The output frequency increases or decreases along the straight line It can select speed up speed down time via the multifunctional digital input terminals 147 Parameter Description MD280 MD280N User Manual 1 S curve speed up speed down A The output frequency increases or decreases along the straight line S curve is generally used in the applications where start and stop processes are relatively flat such as elevator and conveyor belt As shown in Fig 6 The speed up speed down time is consistent with the straight speed up speed down time Function code of F4 08 and F4 09 can be
133. rter When the inverter has error action due to the interferences the following measures can be taken A Install surge suppressor on the devices generating interference B Install filter at the input end of the inverter Refer to Section 7 3 6 for the specific operations C The lead cables of the control signal cable of the inverter and the detection line employ shielded cable and the shielding layer shall be grounded reliably 7 3 4 Handling method for the interferences of inverter on the surrounding equipment These interferences include two types one is radiation interference of the 195 EMC MD280 MD280N User Manual inverter and the other is conduction interference of the inverter These two types of interferences cause the surrounding electric equipment to suffer electromagnetic or electrostatic induction The surrounding equipment hereby produces error action For different interferences it can be handled by referring to the following methods Ax For the measuring meters receivers and sensors their signals are generally weak If they are placed nearby the inverter or together with the inverter in the same control cabinet they are easy to suffer interference and thus generate error actions It is recommended to handle with the following methods Put in places far away from the interference source do not arrange the signal cables with the power cables in parallel and never bind them together both the signal cables and powe
134. s are set wrongly 2 Speed up speed down time is impor 3 Load fluctuates slds MD280 MD280N User Manual manufacturer 1 Replace the motor or remove the mechanical fault 2 Check and reset the parameters 1 Check and reset the relevant parameters 2 Reconnect the cables 1 Consult the manufacturer 1 Reset F1 parameters 2 Set acceleration deceler Group proper ation 3 Consult the manufacturer MD280 MD280N User Manual Appendix Appendix Communication Protocol MD280 series of inverter provides RS485 communication interface User can carry out centralized monitoring through PC PLC to get operating requirements Set the inverter running command function code parameters and read the work status and fault information etc The RS232 RS485 conversion device is required if the interface of the external device is RS232 1 About Protocol This serial communication protocol defines the transmission information and use format in the series communication and it includes master polling or broadcasting format master coding method and the content includes function code of action transferring data and error checking The response of slave is the same structure and it includes action confirmation returning the data and error checking etc If slave takes place the error while it is receiving the information or cannot finish the action demanded by master it will send one fault signal to master as a
135. s range function is valid the inverter has 1 Valid short time output at the instance of power up FB 08 Load fault protection function rey default value 182 MD280 MD280N User Manual Parameter Description If this function is enabled when the Invalid inverter load fails the inverter will decelerate from the current running 1 frequency to 2H If the load is Valid recovered it will run at the setup frequency Transient stop non stop Factory function default value Setup 0 Invalid range 1 Valid Transient stop non stop frequency falling rate 0 00Hz s to maximum frequency F0 04 range Transient stop non stop Factory voltage recovery default judgment time value Setup range 0 00s to 100 00s l F Transient stop non stop pao ices action judgment voltage valde Setup range 60 0 to 100 0 If the transient stop non stop function is selected as enabled when the bus voltage is lower than the transient stop non stop judgment voltage FB 12 the inverter will reduce the running frequency according to the reduction rate of transient stop non stop frequency When the bus voltage rises and exceeds the transient stop non stop action judgment voltage FB 12 and continues to keep instantaneous stop non stop voltage recovery judgment time FB 11 the inverter will recover to run with the setup frequency or the inverter will continue to reduce the operating frequency till stop at zero frequency T
136. s of F8 00 to F8 27 to determine the running characteristics of PLC The symbols of F8 00 to F8 08 determine the running direction of simple PLC If the symbol is positive it indicates that the simple PLC is forward running if the symbol is negative it indicates that the simple PLC is reverse running Simple PLC running is as shown in Fig 6 24 Simple PLC Running F8 13 Defined Acceleration Time _ _ F8 15 Defined _ s a celeration Deceleration FC 23 Defined ime w Acceleration Deceleration Time 2560n Pulse Signal 4 Fe l2 Fa l4 Fig6 24Schematic Diagram for Simple PLC Factory PLC running mode deee o mpn _Single running stop i Single running stop range S aran 2 Continuous circulation 0 Single running stop Upon completion of one single cycle of the inverter it will stop automatically and will not start until running command is given again 1 Single running end but the final value remains Upon completion of one single cycle of the inverter the inverter will remain the running frequency and direction of last one phase After the inverter is restarted upon stop it will run from the initial status of PLC 2 Continuous circulation Upon completion of one single cycle of the inverter it will enter next one cycle and not stop until stop command is given 8 10 PLC power fault memory Factory default selection value 176 MD280 MD280N User Manual Parameter Description re oO P
137. s that the frequency is determined by the analog input terminal Al is used for 0 to 10V voltage input Al2 can be used for 0 to 10V voltage input or 4 to 20mA current input which can be selected by the J3 jumper on the control panel The potentiometer on the external keyboard and Al2 channel on the control panel cannot be enabled at the same time and shall be selected by the J2 jumper on the control panel Refer to the description of Group F2 function codes F2 08 to F2 19 for the settings of Al1 and Al2 input frequencies 3 PULSE setting DI5 The frequency is given via the input pulse of the terminal Pulse reference 109 Parameter Description MD280 MD280N User Manual signal specification voltage range 9V to 30V frequency range OkKHz to SOKHz When the frequency source is PULSE reference DI5 pulse reference can only be input via the multifunctional input terminal DI5 and DI5 is pulse frequency input function terminal by default and other settings are not required Caution When DI5 is used as pulse input it needs to set the input terminal DI5 to O no function so as to avoid triggering error action 4 MS speed Select MS speed running mode It needs to set Group F2 Input Terminals F2 00 to F2 04 and MS reference parameters of Group F8 MS Speed and PLC F8 00 to F8 08 to determine the corresponding relationship between the terminal reference signal and the reference frequency For details regar
138. series inverter has independent ventilation which can be installed outside or inside the radiator cabinet it can provide solutions to IP54 protection requirements directly input DC bus terminal and DC powered fan that enable the standard products to be compatible with the DC bus running mode perfect user password protection shortcut menu design that makes the complex commission easier reliable and safe MD280 series basic configuration and function are as follows Five D1 DI can be selected as high speed input port 2xAl Al2 can be selected as voltage or current input as well as keyboard potentiometer reference I O terminal 2xDO 1xAO can be selected as voltage current input or frequency output or DO output via FM 1xRelay output Control Mode Analog setup Mode Straight line mode MS speed Be abled to realize 8S speed Sipmle PLC Be abled to realize 8S timing operation Swin frequenc and 7 4 Available fixed length control Communication Function Built in 485 communication port PID Control Available V FMode Linear V F Multi point V F and Square V F MD280 series inverter has either built in keyboard or external keyboard connecting to the operational panel via the standard RJ45 interface once external keyboard is connected successfully the built in keyboard display will disappear automatically and vice versa facilitating the commissioning operation All these features reflect the Customer First principle during
139. t 0 Running with frequency lower limit If the setup frequency is lower than the frequency lower limit the inverter will run with the frequency lower limit 1 Stop If the setup frequency is lower than the frequency lower limit during the inverter running process the inverter will stop If the setup frequency is lower than the frequency lower limit at the time of startup the inverter will not start In order to prevent the motor from running at low speed for long period of time it can use this function to stop the unit Delay duration of stop with frequency below frequency Factory default value Factory default value lower limit Setup range 0 0s to 3600 0s It refers to the delay duration from the time when the delay stop is set for the setup frequency lower than the frequency lower limit F5 10 to the time when the frequency is lower than the frequency lower limit 156 MD280 MD280N User Manual Parameter Description Factory Setup running time default value It is used to set the time for the inverter to perform timing running If the running time is set to 0 this function is invalid When the accumulated running time F7 12 reaches this set running time the digital output terminal DO outputs the signal of running time arrival Refer to the description of Running Time Arrival of DO output terminal in Group F3 Remark If it does not perform timing running please set the Setup Running Time to 0
140. t it is the pulse output same as DO1 in terms of specification Caution The function of AO FM DO3 share the channel only one of which can be selected Normally T A T B Contact driving capacity Relay closed terminal output AC250V 3A COSQ 0 4 Normally open T A T C DC 30V 1A terminal 485 communication Standard 485 interface Auxiliary port interface External Standard RJ45 network cable interface used to keyboard provide signals for the external keyboard interface 3 Description of wiring of control terminals A Analog input terminal Because the weak analog signal will be easily affected by the external interference generally shielded cable shall be used and the cable length shall be as short as possible and no longer than 20 meters as shown in Fig 3 9 In case the analog signal is subject to severe interference ST Mechanical and Electrical Installation MD280 MD280N User Manual and analog signal source side shall be installed with filter capacitor or ferrite magnetic core as shown in Fig 3 10 Less than 20 Meters MD280 Potentiometer Fig 3 7 Schematic diagram for Wiring of Analog Input Terminal _ 58 MD280 MD280N User Manual Mechanical and Electrical Installation Cross In the Same Direction or Wind MD 280 2 to 3 Coils in the Direction External Analog Source Ferrite Magnetic Ring 0 022uF 50V Fig 3 8 Schematic Diagram for Wiring of Analog Input
141. t prior permission B The damage caused by fire flood abnormal voltage other disasters and second disaster C The hardware damage caused by dropping or transportation upon the procurement D The damage caused by the improper operation E The damage or fault caused by the trouble our of the equipment e g external device 3 If there is any fault or damage to the product please correctly fill out the Product Warranty Card in detail 4 The maintenance fee is charged according to the newly adjusted Maintenance Price List by our company 5 In general the warranty card will not be re issued Please keep the card and present it to the maintenance personnel when asking for maintenance 6 If there is any problem during the service please contact the agent of our company or our company directly 7 This agreement shall be interpreted by Shenzhen Inovance Technology Co Ltd Shenzhen Inovance Technology Co Ltd Service Center Address Block E Hongwei Industry Park Liuxian Road Baocheng No 70 Zone Bao an District Shenzhen Tel 400 777 1260 P C 518101 iit www inovance cn 228 i Inovance Customer information Product information Failure information Product Warranty Card Add of unit Name of unit Contact person Product model Body barcode Attach here Name of agent Maintenance time and content Maintenance personnel
142. t 4000 F6 05 feedback range value Setup range 0 to 65535 PID reference feedback range is a dimensionless unit which is only used to the value that displays PID reference and feedback currently For example if the parameter is set as 1000 the range 0 100 for PID reference and feedback is linear correspondence with 0 1000 F606 Proportional gain P pach ai 20 0 value 163 Parameter Description MD280 MD280N User Manual Setup range 0 0 to 100 0 Factory default Setup range 0 01s to 10 00s f or Factory default F6 08 Differential time D 0 000s Setup range 0 000s to 10 000s Proportional gain P the parameter determines the adjustable strength of PID regulator The larger P is the greater the adjustable strength will be When the parameter is set as 100 it means that when the deviation between PID feedback value and reference value is 100 the range for the PID regulator to regulate the output frequency commands is the maximum frequency integral effect and differential effect are omitted Integral time l determines the speed at which PID regulator integrates the derivation between PID feedback value and reference value Integral time means that when the derivation between PID feedback value and reference value is 100 the adjustment by the integral regulator proportional effect and differential effect are omitted after continuous adjustment in this period reaches the maximum frequency FO 09 The shor
143. t control write only Address of locking Contents of locking password command password command AOOOH O 7fff refers to 0 100 Inverter fault description Inverter fault address Inverter fault information 0000 No fault 0001 Reserved 0002 Speed up over current 0003 Speed down over current 0004 Contant over current 0005 Speed up over voltage 0006 Speed down over voltage 0007 Contant speed over voltage 0008 Buffer resistance overload 0009 Under voltage fault 000A Inverter overload peer OOOB Motor overload 000C Input phase fault 000D Output phase faulure 000E Module overheating OOOF External fault 0010 Communication fault 0011 Contactor fault 0012 Current detection fault 0013 Motor tuning fault 0014 Reserved 0015 EEPROM read and write fault Inverter fault address Inverter fault information Reserved Earth short circuit fault Reserved Reserved Running time arrival fault Software over current fault Fast current limiting Swithing motor fault Descriptive data of communication fault information fault code communication au Fault function description address No fault Password error Command code error CRC check error Invalid address Invalid parameter Parameter change invalid The system is locked Being restoring parameters 6 Group FA Communication Parameter Description FA 00 Baud rate eee SS 5 eee SS value 0 300BPS S 1 600BPS S 2 1200BPS_ S Setup 3 2400BPS _
144. t is displayed in decimal numbers corresponding to the status of each digit When the input terminal is ON the corresponding value is 1 When the input terminal is OFF the value is 0 With this value the user can know the current digital input signal 186 MD280 MD280N User Manual Parameter Description This value Is a decimal number It displays the status of all the BI digital T BIT BIT BIT BIT BI BITO output 6 5 4 3 2 T1 terminals of the last fault in the following sequence BIT7 reserved Re reser reser D D REA ser ved ved O IO LY ve 3 2 d It is displayed in decimal numbers corresponding to the status of each digit When the output terminal is ON the corresponding value is 1 When the output terminal is OFF the value is 0 Factory Under voltage point selection default 100 0 value 60 0 to 140 0 Three phase 100 0 corresponding bus voltage 350 0V Two phase 100 0 corresponding bus voltage 200 0V The function is used in the applications where the under voltage point is required to be changed If it is the three phase inverter 100 0 corresponding 350 0V it indicates that enter the under voltage status when the bus voltage is below 350 0V 187 Parameter Description MD280 MD280N User Manual If it is the two phase inverter 100 0 corresponding 200 0V it indicates that enter the under voltage status Factory Zero current detection level default value Setup 0
145. take into overall consideration the adaptable motor output voltage rated output and other factors and then select the model meeting your requirements and determine the running mode The basic principle is that the rated load current of the motor cannot exceed the rated current of the inverter Generally the model is selected in accordance with the capacity of the supporting motor as specified in the users manual with attention to the comparison of rated currents between the motor and the inverter The overload capacity of the inverter makes sense only for the startup and brake processes If instantaneous overload occurs in the running process the load speed will vary If there are higher requirements for the speed precision please consider a larger one or select MD300 320 vector control series Fan and pump type It has lower requirements for the overload capacity Since the load torque is proportional to the square of the speed the load is slightly light when it is running at low speed except Roots fan Furthermore this type of load has no special requirements for the precision of the rotation velocity thus square torque V F is selected Constant torque load Most loads have constant torque characteristics but low requirements in terms of precision of rotation MD280 MD280N User Manual Product Information 2 10 Guide to Selection of Brake Components It means selection of data The user can select different resistance and power accor
146. tal setting 0 01Hz frequenc 7 A Analog setting maximum frequency x0 1 resolution V F control Control mode Vector flux control Startup torque 150 Speed adjustment 1 50 range Speed stabilization 1 precision Overload G model 150 rated current 60s capacity P model 130 rated current 60s Torque hoist Automatic torque hoist manual torque hoist 0 1 to 30 0 V F curve Linear V F Multi point V F and Square V F uoloun s1seg Speed up and Straight line or S curve speed up and speed down mode Speed down Two kinds of speed up and speed down time Speed up and speed down time ranges between 0 0s to 3000 0min DC brake frequency 0 00Hz to maximum frequency brake DC brake time 0 0s to 36 0s and brake current value 0 0 to 100 0 Jog frequency range 0 00Hz to 50 00Hz jog Jog control speed up speed down time 0 0s to 3000 0s aR ss Product Information MD280 MD280N User Manual olem O Specifications Simple PLC 3 2 lt 2 c D I D Q h h Z 5 Q a 5 It can realize a maximum of 8 segments speed running via the and MS speed built in PLC or control terminal running It is easy to realize process controlled close loop control Built in PID system AVR Auto voltage It can keep constant output voltage automatically in case of regulation change of mains voltage AVR Stall over It can limit the torque automatically and prevent
147. te the inverter in the parameters can not be changed Change the function code parameters pay attention to the scope of the parameters units and relative instructions Besides due to EEPROM is frequently stored it will reduce the lifetime of EEPROM In the communication mode and some function code needn t be stored as long as change the RAM value To achieve this function change high order F of the function code into zero Corresponding function code addresses are indicated below High byte 00 to OF Low byte 00 to FF For example Function code F3 12 can not be stored into EEPROM address indicates to be EEPROM This address can only act writing RAM it can not act reading when act reading it is invalid address 220 rere parameter Parameter addr addr Parameter description Communication setup value 10000 to 10000 Decimal Caution For the patameters of this part the communication setup frequency value is the percentage of the maximum frequency 100 00 to 100 00 which can be communication read and write The other parameters can be read but not wrote Control command input to inverter write only Command word address Command function 0001 Forward operation 0002 Reverse operation 0003 Forward jog 0004 Reverse jog 0005 Free stop 0006 Speed down stop 0007 Fault reset 0100 Restore factory default value 0101 Clear the record information Caution For 0100H
148. ted by qualified technician Otherwise personal injury or equipment damage may be caused During the operation of the inverter keep items from falling into the equipment Otherwise it may damage the equipment Do not start and shut down the inverter by connecting and disconnecting the contactor Otherwise it may damage the equipment 1 1 7 During Repair Do not repair and maintain the equipment with power connection Otherwise there will be danger of electric shock Be sure to conduct repair and maintenance after the charge LED indictor of the inverter is OFF Otherwise the residual charge on the capacitor may cause personal injury The inverter shall be repaired and maintained only by the qualified person who has received professional training Otherwise it may cause personal injury or equipment damage Carry out parameter setting after replacing the inverter all the plug ins must be plug and play when power outage 1 2 Precautions 1 2 1 Motor Insulation Inspection 13 Safety and Precautions MD280 MD280N User Manual When the motor is used for the first time or when the motor is reused after being kept or when periodical inspection is performed it shall conduct motor insulation inspection so as to avoid damaging the inverter because of the insulation fault of the motor windings The motor wires must be disconnected from the inverter during the insulation inspection It is recommended to use the 500V meg
149. ter integral time is the greater the regulating strength will be Differential time D It determines the degree of adjustment that PID regulator performs on the derivation between PID feedback value and reference value Differential time means that if the feedback value changes 100 within this time the adjustment by the integral regulator proportional effect and differential effect are omitted will reach the maximum frequency FO 09 The shorter differential time is the higher the degree of adjustment will be co Deviation limit FACON ASIAN value Setup value 0 0 to 100 0 It is used to set the maximum allowable deviation between the system feedback value and reference value When the deviation between the PID feedback and reference is within this range the PID stops adjustment The deviation limit is calculated according to the percentage of the PID setup source or feedback source 164 MD280 MD280N User Manual Parameter Description Setting this function properly will help to focus on the system output precision and stability The deviation limit description is as shown in Fig 6 21 Feedback Quantity Reference Quantity i Output Frequency Hz Time Fig 6 21 Schematic Diagram for Deviation Limit PID i mperanen Factory default value oo mode Setup rande W NO operation at stop net Operation at stop PID cutoff frequency of Factory default i 0 00Hz reverse rotation value Setup range 0 00
150. ternal Keyboard of Inverter with Potentiometer 1 Function LED Indictor Description RUN When it is OFF it indicates that the inverter is in stop status When it is ON it indicates that the inverter is in running status LOCAL REMOT The LED indicator for keypad operation terminal operation and remote operation when it is OFF it is under keypad operation control when it is ON it is under terminal operation control when it flashes it is under communication operation control 2 Unit LED indictor description Hz refers to unit of frequency A refers to unit of current V refers to unit of voltage 62 MD280 MD280N User Manual Operation and Display 7s RMP Hz A refers to unit of rotation velocity A V refers to percentage 3 Data display region Five digit LED display able to display setup frequency output frequency various monitor data and alarm code 4 Keyboard button description Table 4 1 Keyboard Function Table Enter or exit from first level menu Confirmation Increase of the data or function code ENTER ah eee Increase of the data or function code of the data or function code Decrease of the data or function code On the stop display interface or running display interface it can be used to circularly select the display parameters When Shift key modifying the parameters it can be used to select the bits of parameter for modification It is used to start the running of the inverter under keyb
151. tes the flashing bit z A H H B Fig 4 4 Example of Parameter Editing Operation In level 3 menu if the parameter has no flashing bit it indicates that the function code cannot be modified The possible reasons include 1 The function code is an unchangeable parameter such as Such as actual detection parameter running record parameter etc 2 The function code cannot be modified in running status but can be modified after the unit is stopped 4 3 Viewing Method of Status Parameter When the inverter is in stop or running status multiple status parameters can be displayed It can select whether this parameter is to be displayed in binary bit with the function codes F7 13 running parameter and F7 14 stop parameter Refer to the descriptions of F7 13 and F7 14 in Chapter 6 for the meanings of each bit In stop status a total of 8 stop status parameters can be selected to display or not to display including setup frequency bus voltage DI input status DO output status analog input Al 1 voltage analog input Al2 voltage actual counting value actual length value the display of which can be switched by pressing key 64 MD280 MD280N User Manual Operation and Display 7s In running status there are a total of 16 running status parameters including setup frequency output voltage output current output power DI input status DO output status analog input Al1 voltage analog input Al2 voltage actual counting valu
152. the digital setup frequency is 10 00Hz F4 03 5 00Hz means the startup frequency is 5 00HZ F4 04 2 0s means that the startup frequency retention time is 2 0s In this case the inverter directly starts at 5Hz and remains for 2 seconds and then accelerates to the setup frequency 10Hz Caution 1 The startup frequency and retention time is not limited by the frequency lower limit 2 The retention time is not included in the acceleration time 3 At the time of switching between forward and reverse rotations the startup frequency and retention time has no action Output Frequency Hz Setting Frequency 7 7 7 777 77 Startup Frequency Time pe _ Startup Frequency Retention Time Fig 6 11 Schematic Diagram for Startup Frequency and Startup Retention Time DC brake current at Factory default 0 startup value Setup range 0 to 100 DC brake time at Factory default 0 0s startup value Setup range 0 0s to 36 0s The DC brake at startup is generally used when the motor is restarted upon stopping completely If the startup mode is direct startup it will firstly perform DC brake with the DC brake current at startup and then start running after the period of DC 146 MD280 MD280N User Manual Parameter Description brake time at startup as set as shown in Fig 6 12 DC brake current at startup The DC brake quantity added shall be set according to the percentage setting of the rated cu
153. the ground and the interference of the inverter can be reduced When the carrier wave frequency is low the output current higher harmonic component will be increased the motor loss will be increased and the motor temperature rise will also increase When the carrier wave frequency is high the motor loss is reduced and the motor temperature is reduced also but the inverter loss and inverter temperature rise will be increased and thus the interference will be increased The adjustment of carrier frequency will have the following influences on the performance Carrier frequency Low High High gt Low waveform Motor temperature Nigh s vow rise eee Low High temperature rise Leakage current Low High Radiation l interference i f Factory Running direction E E 0 Consistent direction Setup range 1 Modification of this parameter can change the rotary direction of the motor without changing any other parameters which is equivalent to the role of F0 12 114 MD280 MD280N User Manual Parameter Description switching the rotary direction through adjusting any two lines of the motor U V and W The changed direction is still the forward running direction of the inverter When it needs to change the rotary direction of the motor it can modify this parameter rather than adjust the wiring of the motor Caution When the function code is restored to the factory default value this parameter
154. the motor The setting of multi point V F curve is as shown in Fig 6 3 Caution 1 It must set as follows F1 05 lt F1 09 lt F1 11 To ensure the setup is correct this inverter imposes restriction on the relationship between the upper limit and the lower limit of frequency points F1 07 F1 09 and F1 11 It must set F1 07 firstly followed by F1 09 and F1 11 Multi point V F voltage point v3 121 Parameter Description MD280 MD280N User Manual 2 Ifthe voltage is set too high at the time of low frequency it may cause overheating and even burning of the motor as well as stall over current or over current protection of the inverter Voltage 100 brasan a RA r IR A h aaa aai VORE EER E EA V2 EEEE yl E fl f2 f3 fb Frequency Hz f1 f3 Points 1 to 3 Voltage Proportion of Multi point V F vl v3 Points 1 to 3 Frequency Point of Multi point V F fb Rated Motor Frequency Fig6 3 Schematic Diagram for Multi point V F Curve Factory Slip compensation coefficient default value Setup value 0 0 to 200 0 The V F control slip caused by the load can be compensated by setting this parameter so that the motor rotary speed will decrease following the decrease of the load change for V F control In general 100 corresponds to the rated slip of the motor with rated load The slip coefficient adjustment may be performed referring to the following principle When the load is rated load and the slip compensation
155. this phase Upon completion of jog it will restore to 153 Parameter Description MD280 MD280N User Manual the running phase as memorized by PLC and continue to run for the remaining time in this phase Factory default a Setup range 0 0s m to 300 00s m Speed down oer default a F5 05 time 2 value Setup range 0 0s m to 300 00s m lts meaning is identical with speed ore down Tr 1 F0 09 and FO 10 Refer to the descriptions of FO 09 and FO 10 function codes for details It can select spoeed up speed down time 1 or speed up speed down time 2 through the external digital input terminal DI Refer to the function description of Speed up Speed down Selection Terminal of function codes of Group F2 00 to F2 04 for details Skip frequency Pacoy erau 0 00Hz vee 0 00Hz maximum frequency Setup range F0 04 Factory Skip frequency amplitude default 0 00Hz F5 07 vee 0 00Hz maximum frequency Setup range F0 04 It can make the inverter run away from the mechanical resonance point by setting the skip frequency The inverter cannot run at the frequency point within the skip frequency range If the setup frequency is within the skip frequency range the actual running frequency will run at the boundary of the skip frequency as shown in Fig 6 13 One skip frequency point can be set for this inverter If the skip amplitude is set to 0 this function has no action 154 MD280 MD280N User Manual Parameter Description
156. three phase input three phase power input to Ask for technical power supply is normal the inverter is normal support daky babad pa lt a fe hs a Ss Hs es ss SS a eS Ss ee Ce Yd Fig 8 10 Phase failure at input side ERR12 Phase loss at the output side Check if three phase output of the running inverter without motor is balanced Check if the three phase winding of the motor is normal and remove the fault Yes Replace the drive board Check if the drive board is normal No Check if the module is normal Replace the module Fig 8 11 Phase failure at output side ERR13 t Yes i 207 Fault Diagnosis and Countermeasures MD280 MD280N User Manual Module over heat If the ambient temperature Yes Reduce the ambient is too high gt temperature Yes Yes If the air duct is blocked Clean the air duct Yes yet Ask for technical 4 Replace the fan support ay ey he ee ae Pe Pod er Pb a do tee by ee ee eo OP ON GeO Ry IT Cues bgt beep toe oes ee eh tee ee A If the thermal resistor of Yes Replace the thermal _ the module is broken resistor j Yes Yes If the inverter module is broken Replace the inverter module Fig 8 12 Module overheating ERR14 External equipment fault Err15 If it is stopped by pressing the STOP key in the non keyboard operation mode y No If it inputs external fault signal via the mult
157. tion MD280 MD280N User Manual Table 2 5 Selection of Inverter Brake Components Recommended Recommended Inverter Model Power of Brake Resistance of Brake Unit Resistor Brake Resistor MD280S0 4G gt 2000 MD280S0 7G gt 1500 MD280S1 5G mss j w MD280T0 7G 7G OOO aw O 23000 MD280T1 5G 150W gt 2200 Builtinas MD280T2 2G 250W gt 2000 standard MD280T3 7G 5 5P MD280T5 5G 7 5P 500w MD280T7 5G 11P 800W 2430 MD280T11G 15P 1000W MD280T15G 18 5P 1300W MD280T18 5G 22P 1500W 2220 MD280T22G 30P 2500W MD280T30G 37P 2500W Externally MD280T37G 45P 3 7 kW 16 00 MDBU 35 B connected Externally MD280T45G 55P 4 5 kW 160 MDBU 35 B connected Externally MD280TS55G 75P 5 5 kW gt 80 MDBU 70 B connected Externally MD280T 75G 90P 75 kW MDBU 70 B connected Externally MD280T90G 110P 4 5 kWx2 gt 80x2 MDBU 70 Bx2 connected Externally MD280T110G 132P 5 5 kWx2 gt 80x2 MDBU 70 Bx2 connected Externally MD280T132G 160P 6 5 kWx2 gt 80x2 MDBU 70 Bx2 connected Externally MD280T160G 200P 16kW 2 gt 2 5Q MDBU 210 B connected Externally MD280T200G 220P 20 kW 22 50 connected Built in as optional MDBU 210 B MD280 MD280N User Manual Product Information Recommended Recommended Inverter Model Power of Brake Resistance of Brake Unit Resistor Brake Resistor Externally MD280T220G 250P 22 kW 22 50 MDBU 210 B connected Externally MD280T250G 280P 12 5 kWx2 22 50x2 MDBU 210 Bx2 connected E
158. tor Suppress the high order harmonic to improve the power factor Brake Resistors Optional Brake Unit or Energy Feedback Unit Optional It can give full play to the regenerative capacity of he inverter please use according to needs Input Side Noise Filter Inovance Inverter i A DC Reactor standard configuration Grounding In order to prevent electric shock the motor and inverter must be wall Grounded Output Side Noise Filter Motor drive Grounding Diagram for the connection to peripheral divices Do not install the capacitor or surge suppressor at the output side of the inverter otherwise it may cause inverter fault or capacitor and surge suppressor damaged The input output main circuit of the Inverter contains harmonic components which may interfere with communications equipment of the inverter accessories Therefore install anti interference filter so as to minimize interference The details of peripheral equipments and accessories selection refer to the manual of peripheral equipments Safety and Precautions Safety and Precautions MD280 MD280N User Manual Chapter 1 Safety and Precautions Safety definition In this manual safety precautions are divided into two types below EY ipanver arising due to improper operations may cause severe hurt or even death AN caution Danger arising due to improper operations may cause moderate hurt or light hurt or equipment damage D
159. tory Jog speed up time deraut VANE 20 00s Setup range 0 00s to 300 00s i Factory Jog speed down time deaultvaue 20 00s Setup range 0 00s to 300 00s It defines the reference frequency and speed up speed down time of the inverter at the time of jogging The jog process is started and stopped according to the startup mode O F4 00 direct startup and stop mode 0 F4 10 decelerate to stop The jog speed up time refers to the time required for accelerating OHz to the maximum output frequency FO 04 and jog deceleration time refers to the time required for the inverter to decelerate from the maximum output frequency FO 04 to OHZ No matter what the command source FO 00 is set the forward jog and reverse jog functions are all valid Caution 1 Jog running frequency is not limited by frequency lower 2 Jog running frequency is not limited by skip frequency Jog enabled during operation FARONTA a value Setup range o LEN Poe Abled It is used to set whether the jog is allowed during the operation If the jog enable during the operation is valid the inverter will execute the jog running command firstly and return to the operating status prior to jog running upon completion of execution of the jog command Caution 1 The jog function is invalid during the DC brake process 2 If jog is executed during the PLC running process it will memorize the running phase when jog occurs and the time that has been running at
160. ue DO3 output delay Factory i 0 0s time default value Setup range 0 0s to 3600 0s These functions mean that DOx signal including RELAY to maintain a valid pulse hold time as shown in Figure 6 10 Only when DOx signal is Maximum frequency of FMP output greater than the width of the function code in order to be identified in the diagram can be identified f is ignored Signal length f Signal length signal before time delay Signal after time delay i gt ee DOx output delay time Schematic Diagram for DOx output delay time Factory default value Setup range Oto 15 Set the valid state of DI input terminal by bits 0 Positive logic Valid connected 1 Antilogical Invalid disconnected The corresponding relationship between BIT and DI is shown as the following table DO output terminal valid state selection 142 MD280 MD280N User Manual Parameter Description Others BIT2 BIT2 BIT1 BITO po2 DO1 RELAY Set a DI for anti logic valid disconnected the corresponding BIT shoule be set to 1 then this binary number is converted to decimal code at this function code 143 Parameter Description MD280 MD280N User Manual Group F4 Start Stop Control F faul value Direct startup When the DC brake time is non zero value it can perform DC brake before start Rotation velocity tracking startup 0 Direct startup When the DC brake time is zer
161. uity Otherwise there may be danger of electric shock and the EMC effect may be greatly affected 3 Through the EMC test it is found that the filter ground must be connected with the PE end of the inverter at the same public earth Otherwise the EMC effect may be greatly affected 4 The filter shall be installed at a place close to the input end of the power supply as much as possible 197 EMC MD280 MD280N User Manual 198 Fault Diagnosis and Countermeasures Fault Diagnosis and Countermeasures MD280 MD280N User Manual Chapter 8 Fault Diagnosis and Countermeasures 8 1 Fault Alarm and Countermeasures MD280 inverter has a number of warning information and protection function In case of abnormal fault the protection function will be invoked the inverter will stop output and the faulty relay contact of the inverter will start and the fault code will be displayed on the display panel of the inverter Before consulting the service department the user can perform self check according to the prompts of this chapter analyze the fault cause and find out t solution If the fault is caused by the reasons as described in the dotted frame please consult the agents of inverter or our company directly In the warning information Err08 refers to the buffer overload fault resistance the frequent bus voltage jumps below the under voltage point which is caused by the instability input voltage and fErr08 fault is easily caused
162. uring the installtion commissioning and maintenance of the system plesase make sure to follow the safety precautions Our company shall not take liable for any damage or troubles resulting from wrong operations 1 1 Safety precautions 1 1 1 Before Installation Do not use the damaged inverter or inverter with missing parts Otherwise there may be risk of injury Please do not install when the packing list is inconsistent with the real name Carefully handled when loading otherwise it may damage the inverter Please don t use the damaged driver or missing parts inverter there may be risk of injury Do not touch components of the control system otherwise it will cause static electricity 1 1 2 During the Installation Mount the inverter on incombustible surface like metal and keep away from flammable substances Otherwise it may cause fire Do not loose the set screw of the equitment especially the MD280 MD280N User Manual Safety and Precautions screws marked in RED Do not drop the lead wire stub or screw in the inverter Otherwise it may damage the inverter Please install the driver in the place where there is no direct sunlight or no vibratory When more than two inverters are to be installed in one cabinet due attention shall be paid to the installation locations refer to Chapter 3 Mechanical and Electrical Installation to ensure the heat sinking effect 1 1 3 During wiring
163. value is restored to 0 which shall be used prudently in the applications where the motor rotary direction is not allowed to change Speed up speed down Factory reference pene ir default value Soup value ae Maximum frequency Setting frequency When it s selected to 0 the speed up time means the time needed for the inverter speeds up from OHz to the maximum frequency speed down time means the time needed for the inverter speeds up from OHz to setting frequency speed down time means the time needed for the inverter speeds down from setting frequency to OHz Frequency UP DOWN Factory defult E reference upon EA value E a 0 Running frequency range ae Setting frequency When it s selected to O running frequency it means the keyboard or the terminal of UP DOWN can be changed under the current operating frequency of the inverter When it s selected 1 running frequency it means the keyboard or the terminal of UP DOWN can be changed under the current operating frequency of the inverter Auxiliary Frequency Eo ER source Y selection value Digital setup UP and DOWN Setup range adjustment 5 PLC 115 Parameter Description MD280 MD280N User Manual Le Wao o a Communication setup When the auxiliary frequency source is used as independent frequency reference channel i e frequency source switching from X to Y it is used in the same way as the main frequency source X When the auxiliary
164. vely higher Actual length F7 06 is used for storing the length value calculated Before calculating the length it can modify this parameter value as the initial value of length calculation and the actual length is added on the basis of this initial value and the actual length calculated will be stored upon power off Actual length initial value of length calculation plus number of length counting input pulses number of pulses per meter When the actual length F 06 exceeds the setup length F7 05 it outputs Length Arrival signal via the digital output terminal DO terminal It can perform length reset operation by setting the external input terminal to Length Counting Reset function Caution The current length counting value can be timely viewed via the stop or running display parameter Refer to F7 13 and F7 14 function codes for details 168 MD280 MD280N User Manual Parameter Description Setup counting Factory 1000 F7 08 a default value Setuprange sd range 1 to 65535 Designated counting Factory 1000 F7 09 value default value Setup range 1 to 65535 The counting value is input to the pulse signal counting one number for one pulse via the Counter Input terminal in the DI terminal When the counting is reached it is output to the counting arrival signal via the DO output terminal and the counting value of the counter will be stored upon power off When the counting value reaches t
165. verters in the cabinet parallel installation is better In the applications where up down installation is required please install the thermal insulating guide plate referring to the schematic diagrams for standalone installation and up down installation 2 The mounting space shall be as indicated as the above diagrams so as to ensure the heat sinking space of the inverter However the heat sinking of other devices in the cabinet shall also be considered 3 The installation bracket must be made of flame retardant materials 4 In the applications where there are metal powders it is recommended to install the radiator outside the cabinet In this case the _ 43 Mechanical and Electrical Installation MD280 MD280N User Manual space inside the sealed cabinet shall be large as much as possible Lower cover removable and installation MD280 series inverter of below 15G 18 5P employs the plastic enclosure Refer to Fig 3 2 for the removal of the lower cover of the plastic enclosure Push out the hook inside of the lower cover with tools Lower Cover Plate Hooker Align with the Internal Side and Press with Forces Hook Slot Fig 3 2 Removal of Lower Cover of the Plastic Enclosure 44 MD280 MD280N User Manual Mechanical and Electrical Installation MD series inverters of above 18 5G 22P employ sheet metal enclosures Refer to Fig 3 3 for the removal of the upper cover of the sheet metal enclosure Loosen the screws o
166. xternally MD280T280G 315P 14kWx2 22 50x2 MDBU 210 Bx2 connected Externally MD280T315G 355P 16kWx2 22 50x2 MDBU 210 Bx2 connected Externally MD280T355G 400P 17kWx2 22 50x2 MDBU 210 Bx2 connected Externally MD280T400G 450P 14 kWx3 MDBU 210 Bx3 connected Caution x2 refers to two braking units paralleled with their respective brake resistor the meaning of x3 is the same with x2 _ 39 Product Information MD280 MD280N User Manual Mechanical and Electrical Installation Mechanical and Electrical Installation MD280 MD280N User Manual Chapter 3 Mechanical and Electrical Installation 3 1 Mechanical Installation 3 1 1 Installation environment 1 Ambient temperature The ambient temperature exerts great influences on the service life of the inverter and is not allowed to exceed the allowable temperature range 10 C Celsius to 50 C Celsius 2 The inverter shall be mounted on the surface of incombustible articles with sufficient spaces nearby for heat sinking The inverter is easy to generate large amount of heat during the operation The inverter shall be mounted vertically on the base with screws 3 The inverter shall be mounted in the place without vibration or with vibration of less than 0 6G and shall be kept away from such equipment as punching machine 4 The inverter shall be mounted in locations free from direct sunlight high humidity and condensate 5 The inverter shall be mounted in locations free
167. y PID and Al1 overlap setup Caution PID reference source F6 00 and PID feedback source F6 03 can not be selected to Al2 Digital setup frequency Factory EE a e Default Value 2 Stopmemory gt amp Stop memory Za Stop and power fault memories 0 Without memory Upon power fault or stop of the inverter set the frequency value back to the setup value of Preset Frequency F0 03 0 Without Without memory s Setup ae Power fault memory range 1 Power fault memory Upon power fault in running or stop status of the inverter set the frequency value back to the setup value of Preset Frequency FO 03 2 Stop memory When the inverter stops the setup frequency before stopping is memorized 3 Stop and power fault memories If the inverter is powered on upon power fault the setup frequency is the value at the time of power fault If the inverter stops the setup frequency before stopping is memorized Factory default 50 00Hz value Preset frequency F0 03 0 00Hz to maximum frequency Setup range F0 04 It is only valid when frequency source FO F1 is set to digital setting When set the frequency source to digital setting the parameter 111 Parameter Description MD280 MD280N User Manual value is the initial value of the inverter frequency Maximum Factory default 50 00 Hz frequency value Setup range 50 00Hz to 630 00Hz It is used to set the maximum
168. y of the DI terminal Terminal command Factory defult mode value o Two line mode 1 Setup Two line mode 2 value Three line mode 1 Three line mode 2 This parameter defines four different modes of controlling the forward and reverse rotations of the inverter via the external terminal The FWD terminal REV terminal and DIn terminal mentioned below refer to forward rotation terminal reverse rotation terminal and three line mode running control terminal respectively 0 Two line running mode 1 This mode is the mostly used forward reverse rotation control mode The forward reverse rotation of the motor is decided 131 Parameter Description MD280 MD280N User Manual by the FWD and REV terminal commands The descriptions on the terminal running command are as shown in Fig 6 5 MD280 Running Direction K1 K2 T Selection Oo oO Sto p ee e FWD Digital input terminal 1 K2 Le Fo va rd Rotatio n eo p Rey Digital input terminal O0 1 Reverse Rotation Sto p E COM Digital public terminal Fig6 5 Two line Running Mode 1 1 Two line running mode 2 FWD terminal serves as running enable terminal and the running direction depends on the status of REV terminal while the stop command is performed by disconnecting the FWD terminal The descriptions on the terminal running command are as shown in Fig Running Direction Selection MD280 g FWD Digital input terminal 1 oa O1 Stop Forward Rotati

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