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K&R ACD320 Series, User Manual

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K&R ACD320 Series User Manual Download Page 119

ACD320user manual

Fault Diagnosis and countermeasures

- 114-

U-23

Earthing short circuit

failure.

The motor has earthing short circuit.

Change cable or motor.

U-25

PID disconnection

failure.

Wiring loose

Check wiring

Analog value input circuit failure.

Look for service from

manufacturer or agent

U-26

Lack of water when

constant pressure

water supply

Lack of water

Check the pool.

P.oFF

Under voltage stop

Input voltage is too low

Check the input voltage

Dispear when power off

Normal phenomenon

Missing input phase

Please check the input voltage

0.0.0.0.0. Keywords is valid

User’s keywords are valid.

When it dispays “0.0.0.0.0.”,

please input the set keywords, if

the user have forgotten the

keywords, look for service from

agent

EoPP

Constant pressure

water supply sleeping

Normal sleep

Normal phenomenon

Set of sleeping and revival parameter is

wrong

Please set the parameter F7.21

～

F7.24 correctly.

7.2 Fault and Countermeasures

Summary of Contents for ACD320 Series

Page 1: ......

Page 2: ...technical support personnel for assist Notice Before wiring please make sure to cut off the power The electronic components in the inverter are sensitive to static so please do not put anything in the...

Page 3: ...size 8 2 7 Product technic index and specification 11 Chapter 3 Installation and wiring 16 3 1 Installation ambient 16 3 2 Electrical Installation 17 3 3 BasicWiring Diagram 20 3 4 Main Circuit Termin...

Page 4: ...7 F6 Communication Parameters 95 6 8 F7 Senior Function Parameters 98 6 9 F8 Supplementary function Parameters 1 103 6 10 F9 Supplementary function Parameters 2 106 Chapter 7 Fault Diagnosis and Coun...

Page 5: ...ix 3 Parameter illustration of the inverter specially used for one driving one constant pressure water supply 144 Appendix 4 Example for one driving two constant pressure water supply controlling card...

Page 6: ...ting treatment to bare wiring end otherwise have danger of getting an electric shock 6 If being connected to the power supply don t operate the inverter with moist hands otherwise have danger of getti...

Page 7: ...el need lubrication After running at a low speed for a long time may be damaged because the lubrication result become poor so please take necessary measures in advance 4 When the motor running with fr...

Page 8: ...1 and insulation resistance should not be smaller than 5M otherwise inverter may be damaged 12 To forbid assembling capacitor for improving power factor or lightning proof voltage sensible resistance...

Page 9: ...Please confirm rated data of the inverter is in line with your order requirement Our product is guaranteed by strict quality system during manufacturing packing transportation etc please contact our c...

Page 10: ...2S4 5 6 9 39 18 0 4 5 ACD320 2S5 5 7 6 44 20 0 5 5 ACD320 2S7 5 11 4 65 30 0 7 5 ACD320 4T0 7 Three phase 380V range 15 20 1 5 3 4 2 1 0 75 ACD320 4T1 5 3 0 5 0 3 8 1 5 ACD320 4T2 2 4 0 5 8 5 1 2 2 AC...

Page 11: ...280 396 0 525 0 520 0 280 ACD320 4T315 445 0 590 0 585 0 315 ACD320 4T355 500 0 665 0 650 0 355 ACD320 4T400 565 0 785 0 725 0 400 ACD320 4T450 630 0 883 0 820 0 450 ACD320 7T132 Three phase 660V rang...

Page 12: ...g 2 3 parts name sketch 1 Screw hole 2 Nameplate 3 Motor output terminal lower cover 4 Operation surface 5 Power input terminal upper cover 6 Heat radiation vent 7 Power input terminal 8 External inpu...

Page 13: ...nual Type and specification of the inverter 8 2 6 Out size 2 6 1 Keypad out size For example 36 5 1 44 Unit millimeter inch Fig 2 4 Fig a Outer dimension Fig 2 4 Fig b Outer dimension Fig 2 4 Fig c Ou...

Page 14: ...ACD320user manual Type and specification of the inverter 9 Out pull panel indicatorA using keypad sheath Out pull panel indicator B not using keypad sheath...

Page 15: ...ACD320user manual Type and specification of the inverter 10 2 6 2 Chassis out size 2 6 2 1 Plastic chassis out size wall mounted 2 6 2 2 Metals chassis out size wall mounted...

Page 16: ...manual Type and specification of the inverter 11 2 6 2 3 Metals chassis outline dimention drawing clothes closet 2 6 2 4 Metals chassis outline dimention drawing the Cabinet machine and the wall hang...

Page 17: ...CD320 4T11GB 15L B ACD320 4T15GB 18 5 LB T030 ACD320 4T18 5G 22L 285 0 457 0 475 0 195 0 240 0 9 0 ACD320 4T22G 30L ACD320 4T30G 37L E037 ACD320 4T37G 45L 320 0 536 0 555 0 230 0 229 0 10 0 ACD320 4T4...

Page 18: ...d stabilization precision 0 5 SVC Torque control precision 15 SVC Overload capacity G model 150 rated current 60s 180 rated current 1s L model 120 rated current 60s 150 rated current 1s Torque boost A...

Page 19: ...ial port reference etc These frequency sources can be switched in various modes Input terminal There are five digital input terminals one of which can be used as high speed pulse input The number of d...

Page 20: ...lsius derated when used in the ambient temperature of 40 Celsius to 50 Celsius Humidity Less than 95 RH without condensing Vibration Less than 5 9 m s2 0 6g Storage temperature 20 60 Must choose corre...

Page 21: ...electromagnetic disturbance source and other electronic apparatus sensible to electromagnetic disturbance 3 1 2 Installation direction and place 1 Normally the inverter should be mounted vertically h...

Page 22: ...binet if the inverter is installed in the area with metal powder And in this case the space inside the sealing cabinet shall be big enough 3 2 Electrical Installation 3 2 1 Applicable devices and reco...

Page 23: ...2 35 4T220 220 DZ20 630 500A CJ20 630 95 2 185 95 2 185 25 2 50 4T250 250 4T280 280 DZ20 630 600A 120 2 240 120 2 240 4T315 315 4T355 355 DZ20 800 800A CJ20 800 150 2 300 150 2 300 35 2 70 4T400 400 D...

Page 24: ...pacity is larger than 500KVA at the same time or when power supply voltage changes dramatically Radio interference filter Nearby equipment such as radio receiver may brings electromagnetic disturbance...

Page 25: ...ACD320user manual Installation and wiring 20 3 3 BasicWiring Diagram Usersmust connect wires according to the following circuit diagram shown below Below 7 5KW...

Page 26: ...ACD320user manual Installation and wiring 21 11 30KW...

Page 27: ...30KW Braking unitand terminals DC DC for the inverter above 37KW 1 T090 the Cabinet machine of E132 K200 K400 is Built in reactor 2 H1 is the height of wall mounted inverter H2 is the height of cloth...

Page 28: ...e input terminals with the output terminals U V W otherwise there will be danger of damaging the inverter Brake resistor cannot be connected between the DC bus terminals and otherwise fire may occur 1...

Page 29: ...wise the inverter may burn or be damaged D Inverter output U V and W Inverter output terminals cannot connect to capacitors or surge snub devices otherwise the inverter may be in protective status or...

Page 30: ...ide 24V power supply negative pole GND Max output current 50mA 24V COM 24V power supply 24V power supply negative pole COM Max output current 200mA COM 24V power supply negative pole Common end of MI1...

Page 31: ...ltage range 15 30V Max output current 50mA Use method see description of parameter F2 20 Serial port communica tion SG RS485 serial port communication 485 difference signal positive end For standard R...

Page 32: ...er capacitor or ferrite core shall be installed at the analog signal source as shown in the Fig 3 7 Fig 3 7 Analog Input TerminalWith Filter devices 2 Analog output terminal wiring Analog output termi...

Page 33: ...se interior 24V power supply when input polarity is PNP the wiring mode as Fig 3 9 Fig 3 9 Source Electrode Connection mode when using interior 24V power supply Use interior 24V power supply when inpu...

Page 34: ...inverter internal 24V power supply external controller for PNP typecommon emitter connection pole output As shown in Figure 3 12 Fig 3 12 Drain electrode connection mode when using interior 24V power...

Page 35: ...delay or contactor 3 6 EMC Issues 3 6 1 Influence ofHarmonics 1 The high frequency harmonics of mains supply will influence the rectifying circuit of the inverter The harmonics will heat the rectifyi...

Page 36: ...d and the shielding layer shall be grounded 3 Method to reduce the disturbance fromthe inverter to the equipment Two kinds of noises one is the radiation from the inverter itself and another is the ra...

Page 37: ...y is the bigger the leakage current is so the user can also reduce the carrier wave frequency but themotor noise may increase Installing reactor can also reduce the leakage current The leakage current...

Page 38: ...ription of the different parts Fig 4 1 Operation Panel Schematic Diagram Table 4 1 keypad function table Key Description Program Esc First stage menu entry or exit Under stop and run display interface...

Page 39: ...key are pressed at the same time the inverter 4 2 Modify and Check the Function Codes ACD320 series inverter s operation panel uses 3 level menu to conduct parameter settings 3 level menu function par...

Page 40: ...ter please refer to the discrption of F3 05 and F3 06 for detail Pressing the key SHIFT can switch the display of stop or running status parameters by moving to the right circularly and pressing the k...

Page 41: ...ncel the password protection function F3 00 should be set 0 4 5 Auto Tuning of Motor Parameters Referto F1 11 Before running the inverter that has selected the vector control mode or open loop torque...

Page 42: ...he excitation current with no load and the user can use the nameplate parameters that are rated voltage U rated current I rated frequency f and power factor to calculate these two parameters The calcu...

Page 43: ...tion F0 02 Keyboard and terminal UP DOWN setting 0 Valid and inverter memorize when power down 1 Valid and inverter does not memorize when power down 2 Invalid 0 2 F0 03 Frequency command Selection 0...

Page 44: ...me before start ing 0 0 50 0s 0 0s 18 F0 19 Stop Mode 0 DECEL Stop 1 Free run Stop 0 19 F0 20 Beginning Frequency of braking 0 00 F0 04 0 00Hz 20 F0 21 Waiting time of braking 0 0 50 0s 0 0s 21 F0 22...

Page 45: ...0 37 F1 12 Speed loop proportional gain1 0 100 30 38 F1 13 Speed loop integral time1 0 01 10 00s 0 50s 39 F1 14 Switching low point frequency 0 00Hz F1 17 5 00Hz 40 F1 15 Speed loop proportional gain...

Page 46: ...current frequency 18 Traverse reset 19 ACCEL DECEL forbid 20 external sleep signal 21 Reserved 22 Reserved 23 One driving two water supply mode is ineffective switch to manual operation 24 Reserved 2...

Page 47: ...13 AVI input filtering time 0 00s 10 00s 0 10s 64 F2 14 ACI lower limit 0 00V 10 00V 0 30V 65 F2 15 ACI lower limit corresponding setting 100 0 100 0 0 0 66 F2 16 ACI upper limit 0 00V 10 00V 9 70V 6...

Page 48: ...tion 0 Setting frequency 1 Running frequency 2 Output current 3 Output voltage 4 Running speed 5 Outputpower 6 Output torque 7 AVI input value 8 ACI input value 9 10 Reserved 0 73 F2 23 AO1 Lower limi...

Page 49: ...status 2048 BIT12 AVI value 4096 BIT13 ACI value 8192 BIT14 Current segment of multi speed control 16384 BIT15 torque setting value 32768 Note The set value is the sum of all displayed code if the inv...

Page 50: ...rrent detect error 19 Motor self learning error 20 Reserved 21 EEPROM operation error 22 hardware fault 23 short current fault 25 PID feedback disconnect er ror 26 Water lack protection failure 27 the...

Page 51: ...0 00 F0 04 5 00Hz 110 F4 14 FDT delay detection value 0 00 100 0 FDT level 5 0 111 F4 15 Frequency reaching detection range 0 0 100 0 maximum frequency 0 0 112 F4 16 Energy consumption brake braking v...

Page 52: ...8 F4 32 Multi Speed 3 100 0 100 0 0 0 129 F4 33 Multi Speed 4 100 0 100 0 0 0 130 F4 34 Multi Speed 5 100 0 100 0 0 0 131 F4 35 Multi Speed 6 100 0 100 0 0 0 132 F4 36 Multi Speed 7 100 0 100 0 0 0 13...

Page 53: ...SCII 9 No check N 7 2 for ASCII 10 Oddcheck E 7 2 for ASCII 11 Even check O 7 2 for ASCII 12 No check N 8 1 for ASCII 13 Oddcheck E 8 1 for ASCII 14 Even check O 8 1 for ASCII 15 No check N 8 2 for AS...

Page 54: ...0 161 F7 13 Low pressure arrives the monitoring point 0 100 0 162 F7 14 Water supply card relay B1 output function B1 RCM 25 The 1st pump of variable frequency 25 163 F7 15 Water supply card relay G1...

Page 55: ...ted speed after running for one circulation 1 178 F7 30 The 0st step running time 0 999 9 0 179 F7 31 The 1st step running time 0 999 9 0 180 F7 32 The 2nd step running time 0 999 9 0 181 F7 33 The 3r...

Page 56: ...fault Value Modifi cation Serial No F8 Supplementary function Parameters 1 F8 00 Inhibit oscillation low frequency threshold point 0 500 5 190 F8 01 Inhibit oscillation high frequency threshold point...

Page 57: ...etting upper limit Freq the same as 1 4 Telecommunication setting upper limit Freq the same as 1 0 198 F8 09 Current limit selection selection of hardware overcurrent 0 Current limit is effective all...

Page 58: ...0 Reserved 0 209 F9 10 AO2 analog output lower limit 0 0 100 0 0 0 210 F9 11 AO2 lower limit corresponding analog 0 00 10 00V 0 0 211 F9 12 AO2 analog output upper limit 0 0 100 0 100 0 212 F9 13 AO2...

Page 59: ...acy e g pump and fans and also suitable for cases with one inverter drivingmultiple motors 2 Open loop torque control Suitable for situation that torque control accuracy is not high required such as w...

Page 60: ...n set up the frequency though and buttons on the keyboard and terminal UP DOWN Frequency setting increase Frequency setting decrease and as it has the highest purview it can combine with any other fre...

Page 61: ...nverter provides 2 analog input channel VI is 0 10V voltage input mode while CI can be 0 10V input or 0 4 20mAinput The 100 0 setting of analog input is corresponding to the maximum frequency Function...

Page 62: ...deceleration speed Function Code Name Setting Range Default Value F0 05 Upper limit frequency F0 06 F0 04 50 00Hz It is the upper limit of inverter output frequency which should be less than or equal...

Page 63: ...me diagram When the set frequency is equal to the maximum frequency the actual Acceleration Deceleration time are equal to the set Acceleration Deceleration time When the set frequency is less than th...

Page 64: ...anged without changing any other parameters which is equivalent to change the motor rotating direction by exchanging any two of motor cables U V W Note After the parameters are initialized the motor o...

Page 65: ...under high carrier frequency conditions in the mean time inverter leakage current and its electromagnetic interference to external are increased The situations of using low carrier frequency is on the...

Page 66: ...set up parametersF0 17 and F0 18 and then start and run the motor at the start frequency It is suitable for small inertia loading which can cause reverse rotation at starting Function Code Name Settin...

Page 67: ...stop command is valid the inverter immediately ends the output The loading is freely stopped by its mechanical inertia Function Code Name Setting Range Default Value F0 20 Beginning Frequency of braki...

Page 68: ...efault Value F0 24 Dead time between forward and reverse 0 0 3600 0s 0 0s In the transition process when the inverter runs transforming between forward and reverse the transition time that the output...

Page 69: ...Parameters Function Code Name Setting Range Default Value F1 00 0 G model 1 L model 0 1 0 F1 01 Motor rated power 0 4 900 0kW Set by model F1 02 Motor rated frequency 0 01Hz F0 04 50 00Hz F1 03 Motor...

Page 70: ...meters 0 NOoperation 0 1 complete tuning Self learning 2 static tuning Self learning Note This function is invalid for ACD200Seriess 0 NO operation forbidding self learning 1 self learning of paramete...

Page 71: ...function code automatically restores to 0 Function Code Name Setting Range Default Value F1 12 Speed loop proportional gain1 0 100 30 F1 13 Speed loop integral time1 0 01 10 00s 0 50s F1 14 Switching...

Page 72: ...curring Speed loop PI parameters have an intimate relationwith the inertia ofmotor system and therefore based on the default PI parameter the user needs to make adjustment for different loading charac...

Page 73: ...orque boost cut off 0 0 50 0 relative to motor rated frequency 20 0 Torque Boost is mainly applied to less than cut off frequency F1 22 TheV F curve after boost is shown in following figure Torque boo...

Page 74: ...otor rated slip frequency Function Code Name Setting Range Default Value F1 24 Energy Conservation Selection 0 No Operation 1 Energy Conservation 0 When the motor is running in no load or lower load d...

Page 75: ...three wire control mode 4 Forward Jogging At Jogging operation the frequency and Jogging Acceleration Deceleration time can be found in detail descriptions of F4 02 F4 03 and F4 04 function codes 5 Re...

Page 76: ...rter is back to its center frequency output 19 Acceleration Deceleration forbid Ensure the inverter is not interfered by external signals excluding stop command maintaining its current output frequenc...

Page 77: ...erent control modes which controls the inverter operation through external terminals 0 Two wire type control integrate Enable with direction This mode is the most often used two wire controlmode The m...

Page 78: ...ing the corresponding terminal function as Function 3 Three wire operation control 3 Three wire control separate Enable from direction At thismode EN is the Enable terminal SW1 or SW3 define operating...

Page 79: ...AVI lower limit corresponding setting 100 0 100 0 0 0 F2 11 AVI upper limit corresponding setting 0 00V 10 00V 9 70V F2 12 AVI upper limit corresponding setting 100 0 100 0 100 0 F2 13 AVI input filt...

Page 80: ...F2 15 ACI lower limit corresponding setting 100 0 100 0 0 0 F2 16 ACI upper limit 0 00V 10 00V 9 70V F2 17 ACI upper limit corresponding setting 100 0 100 0 100 0 F2 18 ACI input filtering time 0 00s...

Page 81: ...tput frequency is less than the starting frequency output ON signal 7 Upper limit frequency reached When the operating frequency reaches the upper frequency limit output ON signal 8 Lower limit freque...

Page 82: ...t 3 Output voltage 0 1 5 times rated inverter voltage 4 Motor speed 0 double rated motor speed 5 Output power 0 double rated power 6 Output torque 0 double rated motor current 7 Analog AVI input 0 10V...

Page 83: ...digit number as password then press ENTER DATA to confirm if there is no button operation in one minute password function becomes effective After password becomes effective customer can not access par...

Page 84: ...options Function Code Name Setting Range Default Value F3 04 Reserved 0 Function Code Name Setting Range Default Value F3 05 operation status display parameter option 0 65535 1183 F3 06 Stop status di...

Page 85: ...alue 128 BIT8 Current segment of multi speed control 256 Option setting parameter the sum total of display code for example require to display at operation status Output current Running speed Output p...

Page 86: ...tent that the parameter selects with 10 seconds delay when there is no SHIFT key operation Automatically switch to the displaying content that the parameter selects when switching from stop status to...

Page 87: ...Code Name Setting Range Default Value F3 17 Reserved F3 18 Reserved 6 5 F4Application Function Parameters Function Code Name Setting Range Default Value F4 00 ACCELTime 2 0 1 3600 0s 10 0s F4 01 DECE...

Page 88: ...utput frequency F0 04 to 0Hz Function Code Name Setting Range Default Value F4 05 Skip frequency 0 00 F0 04 0 00Hz F4 06 Skip frequency range 0 00 F0 04 0 00Hz When the set frequency is within the ski...

Page 89: ...e is set by F4 07 When F4 07 is set to be 0 i e traverse range is 0 the traverse frequency function will be inactive Fig 6 15 Traverse Frequency Operation Diagram Traverse frequency range traverse ope...

Page 90: ...ing and automatic resetting actuated Function Code Name Setting Range Default Value F4 13 FDT level detection value 0 00 F0 04 50 00Hz F4 14 FDT delay detection value 0 0 100 0 FDTlevel 5 0 Set output...

Page 91: ...0 1 999 9 Speed 120 running frequency F4 17 pole number 100 0 Speed 120 running frequency F4 17 pole number This function is used to calibrate speed display error it has no impact on actual speed PID...

Page 92: ...rget value The set target value of process PID is a relative value and the set 100 is corresponding to the 100 feedback signal of the system being controlled The system always performs the calculation...

Page 93: ...Proportional gain Kp 0 00 100 00 1 00 F4 23 Integral time Ti 0 01 10 00s 0 10s F4 24 Differential time Td 0 00 10 00s 0 00s Proportional gain Kp determines the adjusting strength of PIDadjustor The b...

Page 94: ...s always less than the assigned value continue to increase the proportional gain otherwise decrease it Repeat the above until the steady state error is relatively small it is very difficult to do no s...

Page 95: ...As shown in following diagram within the discrepancy limit PID controller stops adjustment Properly setting this function code can improve the accuracy and stability of PIDsystem Fig 6 19 Coincidence...

Page 96: ...nes the operation direction If it is negative the operation direction is reverse Frequency setting 100 0 is corresponding to maximum frequency F0 04 When MI1 MI2 MI3 OFF the input mode is chosen by F0...

Page 97: ...ion characteristic caution to use and thereby the inverter has no protection to the overloaded motor 1 normalmotor with low speed compensation As generalmotor has a poor heat emission at low speed the...

Page 98: ...he instant power down restart function is invalid Instant power down frequency drop point it is indicting when the bus voltage after the power network is down and drops to the instant power down frequ...

Page 99: ...frequency stop going down and when the next bus voltage detected is lower than the over voltage stall point the inverter continues to decelerate as shown by following figure Fig 6 22Over voltage Stal...

Page 100: ...dress All slavemachine inMODBUS will receive this frame but not response Note slave address is not allowed to set 0 Local communication address is unique for every slave machinewithin communication ne...

Page 101: ...1 forASCII 9 No check N 7 2 forASCII 10 Odd check E 7 2 for ASCII 11 Evencheck O 7 2 forASCII 12 No check N 8 1 forASCII 13 Odd check E 8 1 for ASCII 14 Evencheck O 8 1 forASCII 15 No check N 8 2 for...

Page 102: ...he end of data receive to transmitting response data to upper level machine If response delay time is smaller than system operation time response delay time should be system operation time If response...

Page 103: ...cording to stop mode by all control mode 1 The inverter can shield the failure alarm and stop to keep running by setting protecting action selection in abnormal communication condition Function Code N...

Page 104: ...t frequency reaching high limit to inverter adding pump and from output frequency reaching low limit to inverter reducing pump Function Code Name Setting Range Default Value F7 03 Electromagnetic swit...

Page 105: ...s ineffective Function Code Name Setting Range Default Value F7 23 Revival pressure 1 100 0 0 0 F7 24 Revival detection delay 0 999 9s 0 0 In positive acting mode when feedback value is lower than the...

Page 106: ...ng signal 1 Select external sleeping signal 2 Internal and external signal are valid at the same time 0 Select internal sleeping signal please refer to F7 21 F7 22 Select external sleeping signal plea...

Page 107: ...e set is 0 When PLC run from 0th to the 7th step the parameter corresponding to the frequency set is F4 29 F4 36 Function Code Name Setting Range Default Value F7 38 PLC selection record or not when p...

Page 108: ...hardware overcurrent shield 6 9 F8 Supplementary function Parameters 1 Function Code Name Setting Range Default Value F8 00 Inhibit oscillation low frequency threshold point 0 500 5 F8 01 Inhibit osci...

Page 109: ...vibration suppression function the inverter will restrain the oscillation that the motor appears according to the parameters in F8 00 F8 03 Function Code Name Setting Range Default Value F8 05 PWM sel...

Page 110: ...ough the multi function input terminal can switch between torque control and speed control When the set torque is greater than the load torque output frequency of the inverter will increase when outpu...

Page 111: ...ive and hardware overcurrent doesn t shield when running at a constant speed The output frequency may change in automatic current limiting action so this function is unsuitable in situation that relat...

Page 112: ...celerating time 3 0 1 3600 0 20 0 F9 03 Decelerating time 3 0 1 3600 0 20 0 Only when the constant pressure water supply PID is valid the absolute value of inaccuracy between feedback pressure and the...

Page 113: ...AO2 lower limit corresponding analog 0 00 10 00V 0 0 F9 12 AO2 analog output upper limit 0 0 100 0 100 0 F9 13 AO2 upper limit corresponding analog 0 00V 10 00V 10 00V The above function code defines...

Page 114: ...r overcurrent phase to phase short circuit or earthing short circuit of output 3 phase wiring again Wether the connecting wire from inverter to motor is too long Install reactor or output filter Air p...

Page 115: ...r parameters Decelerating time is too short Prolong decelerating time low power source voltage Check input power supply Have potential energy load or big Inertia load Increase braking power of externa...

Page 116: ...ltage is too high Check input power supply There is external force driving the motor in operating process Cancel this force or addbraking resistor Accel Decel time is set to too short Prolong accelera...

Page 117: ...hase power entering the frequency inverter normal U 13 Missing output phase The lead wire from inverter to the motor is abnormal Remove peripheral fault Check if the three phase output of frequency in...

Page 118: ...om manufacturer or agent U 19 Auto tuning of motor parameters failure Motor parameters is not set according to rated data of motor Set the parameter of motor correctly Whether it is proper to manually...

Page 119: ...Check the pool P oFF Under voltage stop Input voltage is too low Check the input voltage Dispear when power off Normal phenomenon Missing input phase Please check the input voltage 0 0 0 0 0 Keywords...

Page 120: ...ACD320user manual Fault Diagnosis and countermeasures 115 1 Inverting module protection U 01...

Page 121: ...orque or V F curve The voltage is too low or not Start the rotating motor or not Is there the shock load during the acceleration process The type of inverter is small Remove the peripheral fault Perfo...

Page 122: ...ACD320user manual Fault Diagnosis and countermeasures 117 3 Over current during deceleration U 03 4 Over current during running U 04...

Page 123: ...ACD320user manual Fault Diagnosis and countermeasures 118 5 Over voltage during acceleration U 05 6 Over voltage during deceleration U 06 7 Over voltage during running U 07...

Page 124: ...ACD320user manual Fault Diagnosis and countermeasures 119 8 Under voltage U 09 9 InverterOver Load U 10...

Page 125: ...ACD320user manual Fault Diagnosis and countermeasures 120 10 Motor Over Load U 11 11 Input phase failure U 12 12 Output phase failure U 13...

Page 126: ...ACD320user manual Fault Diagnosis and countermeasures 121 13 Inverting Module Over Heat U 14 14 External Failure U 15...

Page 127: ...lt Diagnosis and countermeasures 122 15 Communication Failure U 16 16 Current Inspection Circuit Failure U 18 17 Motor self learning failure U 19 18 EEPROM read write failure U 21 Table7 2 failure phe...

Page 128: ...ook for service from manufacturer 2 Dispay 8 8 8 8 8 after electrified Keyboard and the control board is not well wired Check the wire between keyboard and the control board Parts of inverter damage L...

Page 129: ...ntation of dial switch is incorrect NPN or PNP The dial switches to the other end The control board fails Look for service from the manufacturer 7 Frequent alarm U 14 Module is too hot The carrier fre...

Page 130: ...st failure F3 13 Latest failure type F3 14 Running frequency at last failure 7 4 Failure reset To resume normal running when failure takes place in the inverter you can choose following any kind of op...

Page 131: ...cked air path 2 local fan 2 rotate normally without abnormal noise Motor 1 heating 1 no abnormality 2 noise 2 even Inverter 1 vibration heating 1 vibration balanced proper wind temp 2 noise 2 without...

Page 132: ...der ambient demanded in service manual which cause failure b Failure caused by applying the inverter to non normal function c Failure caused by self repair refit which is not already allowed d Damage...

Page 133: ...t metal powder and assure good ventilation 2 Longtime storage will cause electrolyte capacitance of low quality so must assure that it s electrified for one time within 2 years and electrification tim...

Page 134: ...includes action confirmation return data error check and so on If an error occurs when the slave is receiving a frame or the slave cannot complete the action required by the master the slave will org...

Page 135: ...r 5 Communication Frame Structure There are two kinds of communication data format one is RTU Remote Terminal Unit mode the other is ASCII American Standard Code for Information International Intercha...

Page 136: ...the transmission of the last byte another transmission time interval similar to that of 3 5 bytes is used to indicate the end of the frame After that the transmission a new frame starts The informati...

Page 137: ...it in ASCII mode Capital ASCII is used to demonstrate A F and use LRC check cover the information from slave address to data The checksum is equal to the radix complement of the sum of all characters...

Page 138: ...dress 04H Higher bits of data number 00H Lower bits of data number 02H CRC CHK lower bit 85H CRC CHK higher bit CAH END T1 T2 T3 T4 transmission time of 3 5 bytes RTU Response Message of the Slave STA...

Page 139: ...gher bits of data number 0 0 Lower bits of data number 0 2 LRC CHK Hi F LRC CHK Lo 6 END Lo CR END Hi LF ASCII Response Message of the Slave START ADDR 0 1 CMD 0 3 byte number 0 4 Higher bits of data...

Page 140: ...of 3 5 bytes ADDR 02H CMD 06H Write higher bits of the data address 00H Write lower bits of the data address 07H Higher bits of data content 13H Lower bits of data content 88H CRC CHK lower bit 35H C...

Page 141: ...of the data address 0 0 Write lower bits of the data address 0 7 Higher bits of data content 1 3 Lower bits of data content 8 8 LRC CHK Hi 5 LRC CHK Lo 6 END Lo CR END Hi LF ASCII Response Message of...

Page 142: ...check The receiver need to do the parity checking If the parity of received data is not the same as the preset value the communication has some errors 6 3 2 Cyclical Redundancy Check CRC The RTU fram...

Page 143: ...n is provided for reference programmed in C language unsigned int crc_cal_value unsigned char data_value unsigned char data_length int i unsigned int crc_value 0xffff while data_length crc_value data_...

Page 144: ...of EEPROM may reduce the service life of the EEPROM For users some functional codes do not need storage in communication mode Change the value in RAM to meet the user requirement To implement this fun...

Page 145: ...g 0004H Reverse jogging 0005H Free stop emergency stop 0006H Decelerate to stop 0007H Fault reset 0008H Jogging stop Inverter state 3000H 0001H Forward running R 0002H Reverse running 0003H Inverter s...

Page 146: ...onse Message of the Slave START T1 T2 T3 T4 transmission time of 3 5 bytes ADDR 01H CMD 06H higher bits of the fault response 50H lower bits of the fault response 01H higher bits of the fault code 00H...

Page 147: ...C CHK Lo 6 END Lo CR END Hi LF Fault code meaning Fault code Data Meaning 1 Password error 2 Command code error 3 CRC error 4 Illegal address 5 Illegal data 6 Parameter change invalid 7 System locked...

Page 148: ...200W 6 8 4 30 40 4045 1 5000W 17 5 2500W 35 2 37 50 4045 1 9600W 16 1200W 8 8 45 60 4045 1 9600W 13 6 1200W 6 8 8 55 75 4030 2 6000W 20 1500W 5 4 The number each Braking Unit needs 75 100 4045 2 9600W...

Page 149: ...status parameter 1 65535 1183 83 F3 06 Display selection of stopping status parameter 1 511 207 84 F3 07 Display of operating status selected preferentially 0 15 0 It is invalid to select preferentia...

Page 150: ...tion status display parameter option 1 65535 1183 F3 06 Stop status display parameter option 1 511 207 F3 07 Operation status display preferential option 0 15 0 It is invalid to select preferentially...

Page 151: ...26 output frequency keep the same basically Assigned value assigned value F4 26 feedback value assigned value F7 26 the acceleration and deceleration time of output frequency is set by F9 02 and F9 03...

Page 152: ...convenience and reduce the cost 1 Type explanation Name Type One driving two constant pressure water supply control card D28WS 2 Size and installation The installation method 1 Please install when the...

Page 153: ...er B2 RCM Relay output always open terminal the 2nd pump of variable frequency G2 RCM Relay output always open terminal the 2nd pump of AC power 4 Function parameters Please refer to appendix 3 and de...

Page 154: ...d voltage 380V 5 3 Selection of pressure gage Long distance pressure gage DC 0 10Voutput measurement range 1Mpa 5 4 The selection of inverter Choose inverter ACD320 4T11GB 15LB and water supply contro...

Page 155: ...pressure water supply application of macro is effective parameters are initialized to the factory value according to the form in appendix 3 and fine control the following parameters Function code Name...

Page 156: ...ive 1 One driving two circularly water supply mode is effective F2 01 Choice of multi function input terminal 23 One driving two circularly water supply mode is ineffective switch to manual operation...

Page 157: ...caused by the trouble out of the equipment e g external device F Make bold to tear up product logo such as nameplate etc 3 If there is any failure or damage to the product please correctly fill out t...

Page 158: ...ranty Card Customer information Add of unit Name of unit P C Contact person Tel Product information Product model Body barcode Name of agent Failure information Maintenance time and content Maintenanc...

Page 159: ...ess our thanks If you can give any suggestions to improve the quality of the inverter or the service you have opportunity to gain a special reward QINGDAO K R TECHNOLOGY CO LTD Cutomer service center...

Page 160: ......

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