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HV350 Series Mini Frequency Inverter

User Manual

HNC Electric Limited

Содержание HV350 Series

Страница 1: ...HV350 Series Mini Frequency Inverter User Manual HNC Electric Limited ...

Страница 2: ...l Devices for Main Circuit 17 3 3 Lectotype of mMain Circuit Peripheral Devices 18 3 4 Product Terminal Configuration 18 3 5 Functions of Main Circuit Terminal 18 3 6 Attention for Main Circuit Wiring 20 3 7 Terminal Wiring 20 3 8 Functions of Control Circuit Terminals 21 3 9 Lectotype of Control Circuit Peripheral Devices 23 Chapter 4 Using Instructions of Operation Panel 24 4 1 Introduction to O...

Страница 3: ...unication and Bus control function 95 Pd Faults and protection parameters 96 PE Factory reserved 99 PF Factory reserved 99 PH Display function 99 Chapter 7 Fault diagnosis and troubleshooting 100 7 1 Fault query at fault 100 7 2 List of Fault and Alarm Information 101 7 3 Troubleshooting Procedures 104 Chapter 8 Routine Repair and Maintenance 106 8 1 Routine Maintenance 106 8 2 Periodic Maintenanc...

Страница 4: ...r supply class power class and software hardware versions HV350 R75 G 2 Inverter Series Voltage No 220V Single Phase 1 220V 2 NO Adaptation Motor 380V 3 R75 0 75KW 1R5 1 5KW NO Inverter Type 004 4KW G Constant Torque Fig 1 1 Inverter symbol description 1 2 Product Nameplate Description Fig 1 2 Inverter Nameplate MODEL HV350 R75G1 POWER 0 75KW INPUT 1PH AC220V 3 4A 50Hz 60Hz OUTPUT 1PH AC 0 220V 2 ...

Страница 5: ... management system If the inverter failure may cause severe accident or loss safety measures such as redundancy or bypass shall be taken Goods Arrival Inspection Note Note If the inverter is found to be damaged or lack parts the inverter cannot be installed Otherwise accident may be caused Installation Note Note When handling and installing the product please hold the product bottom Do not hold th...

Страница 6: ... T1 V T2 and W T3 otherwise the inverter will be damaged It is forbidden to connect the output terminal of the inverter to the capacitor or LC RC noise filter with phase lead otherwise the internal components of the inverter may be damaged Please confirm that the power supply phases rated voltage are consistent with that of the nameplate otherwise the inverter may be damaged Do not perform dielect...

Страница 7: ... heatsink and the braking resistor have high temperature Please do not touch such device otherwise you may be burnt When it is used on lifting equipment mechanical contracting brake shall also be equipped Please do not change the inverter parameter randomly Most of the factory set parameters of the inverter can meet the operating requirement and the user only needs to set some necessary parameters...

Страница 8: ...se 380V 480V 50Hz 60Hz Allowable voltage range 323V 528V Voltage unbalanceness 3 allowable frequency fluctuation 5 Rated current A 3 5 6 2 9 2 Braking unit Built in as option Protection class IP20 Cooling mode Self cooling Forced air convection cooling HV350 G2 Single phase Three phase 200V Constant torque heavy duty application Power kW 0 4 0 75 1 5 Motor power kW 0 4 0 75 1 5 Output Voltage V Th...

Страница 9: ...vector control Running command input modes Panel control external terminal control control by serial port of host computer Speed setting mode Ten kinds of main frequency setting modes five kinds of Auxiliary frequency setting modes Several combination kinds of main frequency setting modes and Auxiliary frequency setting modes Speed setup resolution Digital setting 0 01Hz Analog setting highest fre...

Страница 10: ... meter output current meter output multi frequency operation programming operation traverse operation PI close loop operation proportional control remote control FWD REV dead time etc Protection function Over voltage low voltage over current current limit overload over heat electronic thermal overload relay over voltage stall data protection etc Display 4 digit display LED 15 kinds of parameters s...

Страница 11: ...V350 1R5G2 HV350 R75G3 HV350 004G3 Fig 1 4 Product outline and mounting dimension 1 6 Product Outline Mounting Dimension and Weight Voltage class Inverter model Outline and mounting dimension mm Approximate weight kg W H D W1 H1 D1 mounting hole d 220V HV350 R40G1 R75G1 101 152 126 5 89 140 120 4 8 2 0 HV350 1R5G1 HV350 R40G2 R75G2 HV350 1R5G2 400V HV350 R75G3 2 0 HV350 1R5G3 HV350 2R2G3 ...

Страница 12: ...mounting dimension 1 9 Braking Resistor Lectotype Inverter model Braking unit Braking resistor unit Braking torque Power Resis tor Qty HV350 R40G1 Optional 70W 200Ω 1 220 HV350 R75G1 70W 200Ω 1 125 HV350 1R5G1 260W 100Ω 1 125 HV350 R40G2 70W 200Ω 1 220 HV350 R75G2 70W 200Ω 1 125 HV350 1R5G2 260W 100Ω 1 125 HV350 R75G3 70W 750Ω 1 130 HV350 1R5G3 260W 400Ω 1 125 HV350 2R2G3 260W 250Ω 1 135 ...

Страница 13: ...ch as wood Keep the drilling scraps from falling into the inside of inverter during the installation Mount the product vertically in the electric control cabinet mount the cooling fan or air conditioner to prevent the ambient temperature from rising to above 45 º C For the sites with adverse environment it is recommended to mount the inverter heatsink outside the cabinet 2 2 Mounting Direction and...

Страница 14: ...lign with the lower clamping position of the operation panel in direction 1 and then press down the operation panel in direction 2 until the crack sound is heard Do not mount the operation panel in any other direction otherwise the operation panel will have poor contact Fig 2 2 Removal of operation panel 2 3 2 Removal and Mounting of Covers of Inverter with Plastic Enclosure Removal of operation p...

Страница 15: ...ert the upper claw grab on the lower cover into the groove of the upper cover as shown in position 1 of Fig 2 4 and then press the lower part of the lower cover in direction 2 of Fig 2 4 until the crack sound is heard Now tighten the cover screws Mounting of operation panel Please refer to 2 3 1 Removal and mounting of operation panel ...

Страница 16: ...Product and Peripheral Devices Fig 3 1 Connection diagram of the product and peripheral devices Power supply Contactor Input AC reactor DC reactor Inverter Grounding Motor Grounding Circuit breaker or leakage circuit breaker Input noise filter Output noise filter Braking resistor Output AC reactor ...

Страница 17: ...at the input power factor of the inverter shall be higher than 90 When the above situations occur install the AC reactor at the input end of the inverter or DC reactor to the DC reactor terminal Input noise filter The noise input from the power end to the inverter and output from the inverter to the power end can be reduced Thermal protection relay Although the inverter has motor overload protecti...

Страница 18: ...le to the inverter output terminal otherwise the internal components of the inverter will be damaged To facilitate the input side over current protection and power failure maintenance the inverter shall connect to the power supply through the circuit breaker or leakage circuit breaker and contactor Please confirm that the power supply phases rated voltage are consistent with that of the nameplate ...

Страница 19: ...d will cause adverse impact on the inverter and the peripheral devices It is suggested that when the motor cable is longer than 100m output AC reactor be installed Refer to the following table for the carrier frequency setting Length of cable between the inverter and motor Less than 50m Less than 100 m More than 100m Carrier frequency Less than 15kHz Less than 10kHz Less than 5kHz 3 6 3 Grounding ...

Страница 20: ...and sleeved into the metal tube The signal cable shall be kept far away from the inverter input wire and output motor wire If the signal cable must cross the input wire and output motor wire they shall be kept orthogonal When analog voltage and current signals are adopted for remote frequency setting twinning shielding cable shall be used The shielding layer shall be connected to the grounding ter...

Страница 21: ...nalog input reference voltage DC 0 10V 10kΩ P P Analog input DC 0 20mA P Modbus communication RS485 AO1 A1 MO1 MCM Analog output 1 DC 0 10V C1 B1 Relay output 250V AC 1A 30V DC 1A Open collector output CM 485 ON OFF P Shielding cable Twisted shielding cable Control circult Multi function input 2 Multi function input 3 Multi function input 4 Multi function input 5 485 terminal resistor selecting sw...

Страница 22: ... 1 6 Input specification 24VDC 5mA Frequency range 0 200Hz Voltage range 24V 20 GND 24V grounding Digital output MO1 Open collector output Voltage range 24V 20 maximum input current 50mA MCM Open collector output common end Analog input 10V Analog input reference voltage 10V 3 internal isolated with COM Maximum output current 10mA with short circuit and overload protection AI1 Analog input channel...

Страница 23: ...circuit terminals is as follows Relay terminal Control terminal 3 9 Lectotype of Control Circuit Peripheral Devices Terminal number Terminal screw Tightening torque N m Wire specification mm2 Wire type 10V AI1 AI2 485 485 AO1 GND M3 0 5 0 6 0 75 Twinning shielding cable 24V X1 X2 X3 X4 X5 Y1 A1 B1 C1 M3 0 5 0 6 0 75 Shielding cable ...

Страница 24: ... mode indicator On Running command is given via operation panel Off Running command is given via terminals Flash Running command is given via host computer red RUN Running status indicator On Inverter is running Off Inverter has stopped Flash Inverter is stopping green FWD Run forward indicator In running status inverter is running forward the FWD LED is on red REV Run reverse indicator In running...

Страница 25: ...e parameters value Increase Key 1 In first level menu increase function code PX according to edit bit 2 In second level menu increase the function code PX YZ data 3 In third level menu Increase the function code data Decrease 1 In first level menu decrease function code PX according to edit bit 2 In second level menu decrease the function PX YZ code data 3 In third level menu decrease the function...

Страница 26: ...4 4 Fault alarm state In stopping running or programming state correspondent fault information will be reported if fault is detected At this time LED displays the fault code in flashing mode When fault alarm occurs press PRG key to enter programming menu and look up the fault log When fault alarm occurs the alarm picture is displayed and the fault can be reset by press STOP RESET key The drive res...

Страница 27: ...ically If user presses PRG key LED returns to second level menu directly but the parameters can not be saved and stop at current function code 4 5 2 Parameter setup Setting parameters correctly is a premise for actualizingHV350 s performances Parameter setting method via panel will be introduced in the following part with rated power as an example Change 18 5kW into 7 5kW Operation process is show...

Страница 28: ...olled through by pressing the SHIFT key The following is an explanation for the parameters operation method in stopping and running state 4 6 1 Switch of Parameter Display in Stopping State In stopping state the drive has 9 state parameters which can be scrolled by SHIFT key they are frequency setting external counting value digital value input terminal state digital value output terminal state pa...

Страница 29: ... to the parameters on nameplate In order to get better control performance you can control the drive to perform auto tuning on the motor so as to get accurate motor parameters Parameter tuning can be done through P3 05 1 Set F0 01 parameter to 0 to select panel running command control mode 2 According the motor s name plat Set P3 00 P3 01 P3 02 P3 03 P3 04 parameter in proper order 3 Set P3 05 to1...

Страница 30: ... please judge the fault causes and clear the fault according to 7 1 Fault and alarm information list If motor can without connecting the load rotating auto tuning can be selected P3 05 2 otherwise only static auto tuning can be selected When enabling the auto tuning please ensure the motor is in standstill status If over voltage or over current happens in auto tuning process you can prolong the ac...

Страница 31: ...ode can be changed during operation This function code can only be changed during stopping status The setting of this function code is read only and cannot be changed 5 1 Function Parameter Table Function code Name Description Factory setting Order number Property P0 Group Basic parameter P0 00 reserved 0 P0 01 Running command selection 0 Keypad control 1 External terminal 2 Communication 0 1 P0 0...

Страница 32: ...P0 07 Auxiliary frequency range selection 0 Maximum output frequency 1 Main frequency 0 7 P0 08 Auxiliary frequency range 0 100 100 8 P0 09 Setting Frequency selection 0 Main frequency 1 Auxiliary frequency 2 Main frequency Auxiliary frequency 3 Main frequency Auxiliary frequency 4 switch between Main frequency and Auxiliary frequency 5 switch between Main frequency and Main frequency Auxiliary fr...

Страница 33: ...on 1 Clear fault information 2 Recover factory setting Note After executing 1 2 steps restores to zero automatically 0 19 P1 Group Auxiliary function parameters 1 P1 00 Starting mode 0 Start from starting frequency 1 First braking then restart from starting frequency 0 20 P1 01 Starting frequency 0 50 20 00Hz 0 50 21 P1 02 Hold time of Starting Frequency 0 0 60 0s 0 22 P1 03 DC injection braking t...

Страница 34: ... 32 P1 13 Delay time for restarting after power failure 0 0 20 0s 2 0 33 P1 14 dynamic braking start voltage 630 710 660 34 P1 15 Rate of dynamic braking 0 No dynamic braking 1 100 90 35 P1 16 Action on frequency lower than lower frequency limit 0 dormancy 1 start running at lower frequency limit 2 Stop 0 36 P1 17 MF key function 0 No operation 1 reverse rotation 0 37 P1 18 Stop reset Key function...

Страница 35: ...Hz 0 00 53 P2 14 Multi frequency 6 0 00 400 0 Hz 0 00 54 P2 15 Multi frequency 7 0 00 400 0 Hz 0 00 55 P2 16 Multi frequency 8 0 00 400 0 Hz 0 00 56 P2 17 Multi frequency 9 0 00 400 0 Hz 0 00 57 P2 18 Multi frequency 10 0 00 400 0 Hz 0 00 58 P2 19 Multi frequency 11 0 00 400 0 Hz 0 00 59 P2 20 Multi frequency 12 0 00 400 0 Hz 0 00 60 P2 21 Multi frequency 13 0 00 400 0 Hz 0 00 61 P2 22 Multi frequ...

Страница 36: ... 999 9A Drive s rated value 76 P3 03 Motor rated frequency 1 00 400 0Hz 50 00 77 P3 04 Motor rated speed 1 9999RPM 1440 78 P3 05 Motor auto tuning 0 No operation 1 static auto tuning reserved 2 overall auto tuning reserved 0 79 P3 06 Stator resistance 0 001 20 00 Motor parameter 80 P3 07 Rotor resistance 0 001 20 00 Motor parameter 81 P3 08 Self inductance 1 000 9 999 Motor parameter 82 P3 09 Leak...

Страница 37: ...rque boost 0 0 20 0 base voltage 3 0 93 P4 08 Slip compensation 0 0 10 0 rated speed 0 00 94 P4 09 AVR function 0 disabled 1 enabled 0 95 P5 Group VC control P5 00 ASR proportional gain 1 0 000 6 000 2 000 96 P5 01 ASR integration time 1 0 000 9 999 0 500 97 P5 02 ASR proportional gain 2 0 000 6 000 1 000 98 P5 03 ASR integration time 2 0 000 9 999 1 000 99 P5 04 ASR switching frequency 00 00 99 9...

Страница 38: ... for selecting Acc Dec time 2 12 Normally open terminal for inputting external fault 13 Normally close terminal for inputting external fault 14 Frequency increase command 15 Frequency decrease command 16 Free run to stop 17 Three wire control 18 switch of speed given mode 19 Reset terminal for program operation 20 Start traverse operation 21 pause traverse operation 22 DC braking command 23 Acc De...

Страница 39: ...it frequency arriving 9 Overload signal 10 Over voltage stall 11 Over current stall 12 External stopping command 13 Preset counting value arriving 14 Specified counting value arriving 15 Low voltage lockup signal 16 Overload pre alarm 17 Drive failure signal 18 Zero speed running 19 end signal of stage of program operation 20 end signal of cycle of program operation 17 116 P6 10 Output terminal Y1...

Страница 40: ... AI2 filter time 0 05 5 00s 0 50 131 P7 06 Minimum AI2 0 0 100 0 0 0 132 P7 07 Frequency corresponding to F7 11 0 00 100 0 Maximum output frequency 0 00 133 P7 08 Maximum AI2 0 0 100 0 100 0 134 P7 09 Frequency corresponding to F7 08 0 00 100 0 Maximum output frequency 100 0 135 P7 10 FWD REV dead time range 0 0 10 0 1 0 136 P7 11 AI1 filter time 0 05 5 00s 0 50 137 P7 12 Minimum AI0 0 0 100 0 0 0...

Страница 41: ...02 0 0 100 0 0 0 145 P8 04 Maximum AO1 0 0 100 0 100 0 146 P8 05 reserved 147 P8 06 reserved 148 P8 07 reserved 149 P8 08 reserved 150 P8 09 reserved 151 P9 Group program operating parameters P9 00 Programming operation function 0 Single cycle Stop after a single cycle 1 Continuous cycle 2 Maintain the final value 0 152 P9 01 Time Unit 0 Second 1 Minute 0 153 P9 02 Stage 1 timing T1 0 3600 0 0 154...

Страница 42: ...2 2 FWD Acc Dec time 3 3 FWD Acc Dec time 4 4 REV Acc Dec time 1 5 REV Acc Dec time 2 6 REV Acc Dec time 3 7 REV Acc Dec time 4 0 169 P9 18 T2 running mode 0 170 P9 19 T3 running mode 0 171 P9 20 T4 running mode 0 172 P9 21 T5 running mode 0 173 P9 22 T6 running mode 0 174 P9 23 T7 running mode 0 175 P9 24 T8 running mode 0 176 P9 25 T9 running mode 0 177 P9 26 T10 running mode 0 178 P9 27 T11 run...

Страница 43: ... 189 PA 05 Maximum reference 0 150 100 190 PA 06 Minimum feedback 0 100 0 191 PA 07 Maximum feedback 0 150 100 192 PA 08 Proportional gain 0 00 10 00 1 00 193 PA 09 Integration time 0 01 99 99s 0 5 194 PA 10 Differential time 0 00 no differentiation 0 01 99 99s 0 195 PA 11 Sample cycle 0 01 99 99s 0 1 196 PA 12 Error limit 0 0 15 0 0 0 197 PA 13 Level of abnormal feedback signal 0 100 50 198 PA 14...

Страница 44: ...0 00 400 0 Hz 0 00 209 Pb 04 Travers amplitude 0 0 50 0 Pb 03 0 0 210 Pb 05 Step frequency 0 0 50 0 Pb 04 0 0 211 Pb 06 Traverse cycle 0 1 999 9s 10 00 212 Pb 07 Rise time of triangular wave 0 0 100 0 Pb 06 50 0 213 PC Group 485 communication parameters PC 00 Baud rate selection 0 1200BPS 1 2400BPS 2 4800BPS 3 9600BPS 4 19200BPS 5 38400BPS 3 214 PC 01 Data format 0 8 N 2 for RTU MODBUS 1 8 E 1 for...

Страница 45: ...ction 1 220 Pd 01 Motor overload protection factor 20 0 150 0 100 0 221 Pd 02 Over voltage stall selection 0 Disabled 1 Enabled 1 222 Pd 03 Stall over voltage point 120 0 150 0 120 0 223 Pd 04 Selection of overload pre alarm detection 0 Detect at constant speed and alarm 1 Detect all the time and alarm 0 224 Pd 05 Overload detection threshold 20 0 180 0 150 0 225 Pd 06 Overload pre alarm delay 0 0...

Страница 46: ... selection at under voltage fault 0 No action 1 Act in running state 2 Act in running and stop state 1 233 Pd 14 reserved 234 Pd 15 reserved 235 Pd 16 reserved 236 Pd 17 reserved 237 Pd 18 reserved 238 Pd 19 reserved 239 Pd 20 reserved 240 PE Group group Reserve 1 PF group Reserve 2 PH Group Display parameters PH 00 running display parameters selection 0 Frequency setting 1 Running frequency 2 Out...

Страница 47: ... 3 Analog input AI1 4 Analog input AI2 5 I O status 6 external counting value 7 PI reference 8 PI feedback 0 268 PH 02 Line speed factor 0 01 99 99 30 00 269 PH 03 Inverter Power 270 PH 04 heatsink temperature 1 0 100 271 PH 05 heatsink temperature 2 0 100 272 PH 06 1st fault type 273 PH 07 2nd fault type 274 PH 08 3rd fault type 275 PH 09 Bus voltage at last fault 276 PH 10 Output current at last...

Страница 48: ...V350 Mini Frequency Inverter User Manual 47 last fault PH 13 I O state at last fault 280 PH 14 Total operating time 281 PH 15 Software version of CPU Board 282 PH 16 Software version of Keypad Board 283 ...

Страница 49: ...ing to get accurate parameters of motor After auto tuning motor parameters will be saved in the internal control board for control operation b To ensure high steady dynamic control performance user must set parameters of speed controller correctly For parameters setup and adjustment of speed controller please refer to explanation of P5 parameter group c If vector control mode is selected one HV350...

Страница 50: ...set P9 parameter P0 04 Main Frequency gain Setting arrange 0 000 9 999 The main frequency is the product of the setting frequency selected by parameter P0 03 and this gain P0 05 Zero frequency source of multi speed mode Setting arrange 0 2 0 Panel potentiometer setting 0 5V 1 P0 11Digital frequency setting 1 External analog signal AI1 setting 2 External analog signal AI2 setting P0 06 assit freque...

Страница 51: ...ncy selection Setting range 0 9 Select the setting frequency source of the inverter 0 Main frequency The setting frequency source of the inverter is determined by the main frequency of the parameter of P0 03 1 Auxiliary frequency The setting frequency source of the inverter is determined by the auxiliary frequency of the parameter of P0 06 2 Main frequency Auxiliary frequency 3 Main frequency Auxi...

Страница 52: ...de defined by function code Pb parameter group P0 10 up down setting store selection Setting range 0 1 0 Store The initial frequency setting value is the value of parameter P0 11 It can be changed by the terminal defined with function Frequency increase command and Frequency decrease command When the inverter is power off the current frequency setting value is stored 1 Not Store The initial freque...

Страница 53: ...ed to set shown in Fig 6 2 as FL Fb in Fig 6 2 is basic running frequency which is defined as the lowest output frequency when the inverter outputs the highest voltage in V F control mode fL fH Output frequency fb fmax Output voltage Vmax Fig 6 2 Frequency limits definition P0 16 Acc time 1 Setting range 0 1 3600s P0 17 Dec time 1 Setting range 0 1 3600s Acc time means the time during which the in...

Страница 54: ...g value is restored 3 Parameter locking When set P0 19 to 3 parameter locking function is enabled Except this parameter all other parameters are read only and can not be modified P1 Auxiliary function parameters 1 P1 00 start mode Setting range 0 2 0 Start from starting frequency When inverter begins running it starts from starting frequency P1 01 and runs for the preset time P1 02 at this frequen...

Страница 55: ... frequency is lower than the start frequency inverter s output frequency becomes zero Start frequency holding time the running time at start frequency in Acc Start process which is shown in Fig 6 4 P1 03 DC injection braking time at start Setting range 0 00 60 0s P1 04 injection braking current at start Setting range 0 0 100 0 inverter rated currente DC braking time at start holding time for outpu...

Страница 56: ...an the initial frequency of Stop DC injection braking the inverter s output frequency is decreased to zero If the running condition has no strict requirements for braking the initial frequency of DC injection braking should be set as low as possible P1 07 DC injection braking time Setting range 0 0 0 1 60 0s P1 08 DC injection braking current Setting range 0 0 100 0 inverter s rated current DC inj...

Страница 57: ...s gradually S curve rise time is shown in Fig 6 6 as which is the stage when the slope of output frequency maintains phase S curve end time is shown in Fig 6 6 as which is the stage when the slope of output frequency decreases to zero Note 1 Limit of setting value S curve start time S curve rise time 90 Acc Dec time 2 In Acc Dec Process the parameters of S curve are set in symmetry P1 12 Restart a...

Страница 58: ...e keypad in different command source The Reset function is usable in all command source 0 action on keypad control mode 1 action on both keypad and External terminal 2 action on both keypad and communication P1 19 Fan control function Setting arrange 0 1 0 Cooling fan always runs after power on 1 Cooling fan stops fan after inverter stop running P2 Auxiliary function parameters 2 P2 00 ACC time2 S...

Страница 59: ... P2 18 Multi frequency 10 Setting range 0 400 0Hz P2 19 Multi frequency 11 Setting range 0 400 0Hz P2 20 Multi frequency 12 Setting range 0 400 0Hz P2 21 Multi frequency 13 Setting range 0 400 0Hz P2 22 Multi frequency 14 Setting range 0 400 0Hz P2 23 Multi frequency 15 Setting range 0 400 0Hz Multi frequency speed is set in P2 09 P2 23 which can be used in multi speed running and programming stat...

Страница 60: ...ency of inverter from meeting the mechanical resonant point of load In Jump frequency parameters set the system s mechanical resonant central frequency at most three frequency values can be setup shown in Fig 6 8 Output frequency Jump frequency 1 Jump range Jump range Jump range Jump frequency 2 Jump frequency 3 Frequency setup signal Fig 6 8 Jump frequency and its range p2 28 FWD REV dead time Se...

Страница 61: ...nd reduce noise and vibration Since HV350 series adopts IGBT as power devices carrier frequency can be higher Increasing carrier frequency can bring following benefits better current waveform lower noise which is especially suitable for applications that need low noise However with the increase of carrier frequency it also brings some disadvantages such as increase of power loss on switching devic...

Страница 62: ...es fa where fa is the threshold of zero frequency defined by P2 31 and fb fa is defined by P2 32 This function can realize dormancy to save energy in this way frequent start and stop at threshold frequency can be avoided AI1 Input voltage FWD VS b VS a Vmin Fmin Fmax Operating frequency Output frequency Setting frequency Fa Fb 0 fa Zero frequency threshold fb fa Zero frequency hysteresis Fig 6 10 ...

Страница 63: ...key on the Keypad inverter will perform overall auto tuning functions The overall auto tuning includes static auto tuning and spinning auto tuning and the load must be unconnected form the motor Note a If over current or over voltage fault occurs during tuning process user can adjust Add Dec time P0 16 P0 17 and torque boost P4 07 b Do not start tuning with load on motor c Make sure the motor is i...

Страница 64: ...curve 1 in Fig 6 11 2 1 5 times torque frequency mode shown as curve 2 in Fig 6 11 3 1 2 times torque frequency mode shown as curve 3 in Fig 6 11 4 User defined V F curve Fmax output voltage output frequency 0 3 2 1 Fig 6 11 V F curve P4 01 Base voltage Setting range 0 440V P4 02 Base frequency Setting range 10 00 400 0Hz Basic V F characteristic of HV350 series is shown in Fig 6 12 Base Frequency...

Страница 65: ... boost the output voltage in the low frequency zone which is shown in Fig 6 13 output voltage VN Output frequency P4 04 0 P4 05 P4 06 F P4 03 P4 07 BASE Fig 6 13 Torque boost Note Generally factory setting 2 can satisfy most applications If over current fault occurs during startup please increase this parameter from zero gradually until it meets requirement Pay attention that large torque boost co...

Страница 66: ...Speed regulator ASR s structure is shown in Fig 6 14 where KP is proportional gain P and KI is integration time I Speed error Frequency instruction Actual speed Torque limit P5 07 P5 08 Given torque current Fig 6 14 Simplified block diagram of ASR If the integral time is set to 0 P5 01 0 P5 03 0 which means integral function is disabled and the speed loop is simply a proportion regulator a Adjustm...

Страница 67: ...HV350 Mini Frequency Inverter User Manual 66 Reference speed Fig 6 15 Step response with better dynamic performance ...

Страница 68: ...djust ASR parameters following the procedures below 1 Set appropriate switching frequency P5 04 2 Tune proportional gain P5 00 and integration time P5 01 for low speed application and ensure no oscillation and good response performance at low frequency 3 Next tune proportional gain P5 02 and integration time P5 03 for high speed application and ensure no oscillation and good response performance a...

Страница 69: ...output torque current of speed regulator Torque limit is the percentage of the motor s rated current If the torque limit is 100 then the torque current limit is the motor s rated current P5 07 and P5 08 limit the output torque in driving state and braking state respectively which is shown in Figure 6 16 Braking state Braking state Power state Power state positive Negative moment Output torque Moto...

Страница 70: ...p Fig 6 17 Two line control mode 1 In Fig 6 17 terminal X1 is defined as running FWD and X2 is defined as running REV 1 Two line operation mode 2 FWD REV Running command 0 0 Stop 0 1 Stop 1 0 FWD 1 1 REV Fig 6 18 Two line control mode 2 In Fig 8 18 terminal X1 is defined as running FWD and X2 is defined as running REV 2 Three wire operation mode 1 X1 FWD X2 REV COM K1 K2 X1 FWD X2 REV COM K1 K2 ...

Страница 71: ... for running the motor and they are active at pulse edge In Fig 6 19 and 8 20 Xi I 3 7 is defined as three wire running control terminal of X3 X7 In 3 wire mode when X3 X7 is not selected the inverter will report ERR4 fault P6 01 Up down rate Setting range 0 10 99 99Hz s Up down rate To define the increase decrease rate when using up down terminal to change reference frequency P6 02 Selecting the ...

Страница 72: ... can be selected as no function repeatedly that is it can be set as 0 at the same time Function description is shown below Content Function Content Funtion 0 X1 X5 No function can be selected repeatedly 16 Free run to stop 1 Run FWD 17 Three wire control 2 Run Rev 18 Voltage current switching 3 External reset 19 Input terminal for recording program operation 4 Jog FWD JOGF 20 Start traverse operat...

Страница 73: ...ect FWD REV operation 3 3 External RESET If fault alarm occurs user can reset the inverter by external terminal This function is active at rising edge of pulse signal It has the same function as STOP RESET key 4 4 5 Terminal for external FWD REV Jog running control In terminal control mode P0 01 1 this terminal is used to select Jog operation 5 6 9 Multi frequency terminals In multi frequency oper...

Страница 74: ... the frequency setting value is increased or decreased at the rate defined by P6 01 when the terminal is OFF frequency setting value keeps constant When these two terminals are ON at the same time frequency setting value also keeps constant Please refer to P0 03 parameters description 9 16 Free run to stop terminal FRS When the function terminal is ON inverter stops output immediately and enter st...

Страница 75: ...ameters of DC injection braking time are invalid 14 23 Acc Dec disabled command When the terminal is ON the inverter temporarily inhibits executing the Acc Dec command and runs at current frequency When the terminal is OFF normal Acc Dec commands can be executed If there is any control signal with higher priority input such as external fault signal the inverter will exit Acc Dec inhibit state imme...

Страница 76: ...operation state will not change if running command from external terminal is invalid the drive will stop running 16 25 Switch between panel control mode and external terminal control mode This function is used for selecting the physics channel that inputs inverter s running control command Selecting between keypad and external terminal to input control commands Commands input via external terminal...

Страница 77: ...D positive mode and negative mode When PA 00 is set to 0 PID positive mode is selected with the terminal is off negative mode is selected with the terminal is on 21 30 Emergence stop If the terminal defined with the function is on the inverter is in emergence stop status motor free stop P6 09 Programmable relay 1 Setting range 0 20 P6 10 Output terminal Y1 definition Setting range 0 20 Function se...

Страница 78: ...Drive ready The drive is in normal waiting state and terminals output indication signal 2 2 Drive running signa l The drive is in running state and the terminal outputs indication signal 3 3 Drive running signa 2 In run status when the drive s output frequency is 0Hz the terminal does not output indication signal when the drive s output frequency is above 0Hz the terminal does output indication si...

Страница 79: ...y reaches low limit frequency the terminal outputs indication signal 8 9 Overload signal When overload occurs the terminal outputs indication signal 9 10 Over current stall When over current stall occurs in running state terminal outputs indication signal 10 11 Over voltage stall When over voltage stall occurs in running state the terminal outputs indication signal 11 12 External stopping command ...

Страница 80: ...counting pulse signal and the counting value reaches specified value defined by p6 17 See Fig 6 22 Y1 outputs an indication signal Y1 does not recover until specified value arrives As shown in Fig 6 22 if P6 16 5 P6 17 3 when Xi inputs the 3th pulse Y1 outputs an indication signal When Xi inputs the 5th pulse Y1 outputs specified value arriving signal Y1 will recover when the 6th pulse arrives 0 1...

Страница 81: ...frequency when the inverter starts from zero frequency In Dec process output frequency is lower than initial frequency of DC injection braking 18 19 End signal of stage of program operation 19 In program operation mode when a stage is finished the inverter outputs a pulse with width of 250ms 20 20 End signal of stage of program operation 21 In program operation mode when a cycle is finished the in...

Страница 82: ...e the terminal outputs indication signal and this signal is called FDT level If output frequency decreases the terminal continues to outputs indication signal until the output frequency is lowered to the FDT signal width and exceeds certain width this width is called FDT signal lag as shown in Fig 6 21 and 6 23 P6 16 Preset value arriving Setting range 0 9999 P6 17 Specified value arriving Setting...

Страница 83: ... its output signal is valid In negative logic mode terminal Yi opens when its output signal is valid c Only decimal number can be set to the drive including display When negative logic is selected conversion from binary code to Hex value is shown as below Setting value 2 Y1 7 2 X6 5 2 X5 4 2 X4 3 2 X3 2 2 X2 1 X1 For example if X6 and X4 select negative logic and others are positive logic then Set...

Страница 84: ...t that S1 AI2 is in I position P7 10 FWD REV dead time range Setting range 0 10 Maximum input signal If polarity control is selected P0 06 2 or 3 FWD REV dead time is set by this parameter Refer to parameter P0 06 and fig 6 1 for details P7 11 AI0 filter time Setting range 0 05 5 00S P7 12 Minimum AI0 0 0 100 0 P7 13 Frequency corresponding toP7 12 0 00 Maximum frequency P7 14 Maximum AI0 0 0 100 ...

Страница 85: ...equency setting 0 Minimum F7 01 Hz Minimum value corresponding to the frequency F7 02 Input signal output frequency Maximum value F7 03 Maximum value corresponding to the frequency F7 04 Fig 6 26 curve 2 relationship between reference and frequency setting P8 Analog output terminal P8 00 AO1 output selection Setting range 0 9 P8 01 reserved Setting range 0 9 Inverter s state represented by analog ...

Страница 86: ...input AI2 0 10V p8 02 Minimum AO1 Setting range 0 00 100 0 p8 03 Minimum value corresponding to F8 02 Setting range 0 00 100 0 p8 04 Maximum AO1 Setting range 0 00 100 0 p8 05 Maximum value corresponding to F8 04 Setting range 0 00 100 0 This function code is used to setup maximum minimum value of analog output signal 0 10V and the relationship between these values and P8 00 is shown in Fig 6 27 a...

Страница 87: ...F8 02 Corresponding to the minimum value F8 03 Maximum value F8 04 Corresponding to the maximum F8 05 Fig 6 28 Relationship between maximum minimum AO1 and F8 00 P9 Program operating parameters P9 parameter group is function code of programming operation Both programming operation and multi frequency operation are used for realizing the inverter s variable speed running according to certain regula...

Страница 88: ...ge after completing one cycle P9 01 Programming operation time setting unit Setting range 0 1 0 second 1 minute P9 02 Stage timing T1 Setting range 0 0 3600 0 P9 03 Stage timing T2 Setting range 0 0 3600 0 P9 04 Stage timing T3 Setting range 0 0 3600 0 P9 05 Stage timing T4 Setting range 0 0 3600 0 P9 06 Stage timing T5 Setting range 0 0 3600 0 P9 07 Stage timing T6 Setting range 0 0 3600 0 P9 08 ...

Страница 89: ...ing mode Setting range 0 7 P9 23 T7Running mode Setting range 0 7 P9 24 T8Running mode Setting range 0 7 P9 25 T9Running mode Setting range 0 7 P9 26 T10Running mode Setting range 0 7 P9 27 T11Running mode Setting range 0 7 P9 28 T12Running mode Setting range 0 7 P9 29 T13Running mode Setting range 0 7 P9 30 T14Running mode Setting range 0 7 P9 31 T15Running mode Setting range 0 7 P9 17 P9 31 are ...

Страница 90: ...from the breakpoint When the drive stops user can clear counter value of current program by setting function code P9 00 again 2 Record function enabled In programming operation state program will pause when stop key is pressed Input running command again program will run from the breakpoint When the drive stops user can clear counter value of current program by setting function code P9 00 again PA...

Страница 91: ...ternal analog signal AI1 2 External analog signal AI2 3 Rs 485 communication setting 4 Panel potentiometer setting 0 5V PA 02 Feedback channel selection Setting range 0 1 1 External analog signal AI1 0 10V 2 Analog signal AI2 0 10V or 4 20mA PA 03 Digital setting of reference Setting range 0 00V 10 00V Digital reference is set by UP DOWN keypad PA 04Minimum referenc Setting range 0 0 100 0 PA 05 M...

Страница 92: ...etting range of error limit then stop PID regulating PID regulator s output maintains constant PA 13 Level of abnormal feedback signal Setting range 0 100 This function code defines abnormal level of feedback signal Definition Abnormal level reference feedback reference 100 PA 14 Detection time of abnormal feedback signal Setting range 0 3600S This function code defines the detection time of abnor...

Страница 93: ...7 PA 18 PID Actual value Delay time of waking Delay time of sleeping Sleeping frequency Output frequency stop run time Fig 6 30 PID sleeping and waking Pb Traverse function Pb 00 Traverse mode Setting range 0 1 0 Auto mode At first the drive operates at preset frequency of traverse operation Pb 01 for certain time Pb 02 and then enter traverse mode automatically 1 Manual mode If the multi function...

Страница 94: ...ep frequency Setting range 0 0 50 Refer to Fig 6 31 If it is set at 0 then there will be no step frequency Pb 06 Traverse cycle Setting range 0 1 999 9S It defines the period of traverse operation including rising and falling time Pb 07 Rise time of triangular wave Setting range 0 0 100 0 It defines the rising time Pb 06 Pb 07 s of traverse operation and falling time Fb 06 1 Fb 07 s Please refer t...

Страница 95: ...rmat Pc 02 Local address Setting range 1 32 When the host is communicating with several inverters inverter s address is defined in this function code Pc 03 Communication timeout detect Setting range 0 0 0 1 100 0s The setting value is 0 No communication overtime protection The setting value isn t 0 in RS485 communication control mode if the communication between the inverter and the host is still ...

Страница 96: ...current limit will be proportionally adjusted When motor capacity is lower than that of the drive this function is used provide overheat protection for the motor When several motors are driven by the same variable speed drive this function is disabled When display readings reaches 100 overload protection will be trigged Pd 02 Over voltage stall selection Setting range 0 1 Over voltage stall select...

Страница 97: ...oint 120 0 150 0 inverter s rated peak voltage Pd 04 Selection of overload pre alarm detection Setting range 0 1 0 Overload is only monitored during constant speed operation and alarms when overload occurs 1 Overload is monitored all the time and alarms when overload occurs Pd 05 Overload detection threshold Setting range 20 180 Pd 06 Overload pre alarm delay Setting range 0 60 0s PD 05 defines th...

Страница 98: ...ltage protection The action mode of auto current limiting function is decided by PD 09 PD 09 0 disabled PD 09 1 auto current limiting is effective during acceleration or deceleration but ineffective at constant speed PD 09 2 auto current limiting is effective during acceleration deceleration and constant speed Pd 10 Auto reset Setting range 0 5 0 disabled 1 5 times of fault reset Pd 11 Auto reset ...

Страница 99: ...e when the input voltage is low or not stable the value can be adjusted to avoid under voltage fault PE Factory reserved PE 00 PE 05 are reserved parameters for individual consumer PF Factory reserved PF 00 PF 19 are reserved parameters for individual consumer PH Display function PH 00 running display parameters selection Setting range 0 14 HV350 drive has 15 state parameters in running state User...

Страница 100: ...top Setting range 0 8 HV350 drive has 9 state parameters in stopping state User can scroll through them by pressing key during stop state Function code PH 01 defines the default display parameter upon power on which includes 0 Frequency setting 1 Preset line speed 2 DC Bus voltage 3 Analog input AI1 4 Analog input AI2 5 I O status 6 external counting value 7 PI reference 8 PI feedback PH 02 Line s...

Страница 101: ...ge 0 999 PH 10 Output current at last fault A Setting range 0 999 9 PH 11 Frequency setting at last fault Hz Setting range 0 400 0 PH 12 Running frequency at last fault Hz Setting range 0 400 0 PH 13 I O state at last fault Setting range 0 511 PH 14 Total operating time Setting range 0 9999 PH 15 Software version Setting range 0 9 99 PH 16 Keyboard Software version Setting range 0 9 99 PH 12At las...

Страница 102: ... please contact with local distributors agents service centers or manufacturer for solutions Failur e No Failure code Failure description Potential causes Solutions 1 oc1 Over current protection when acceleration operation Low grid voltage Check input power supply Startup too fast during motor operation Restart after the motor stops rotating Rotating inertial of load is very large and shock load i...

Страница 103: ...r wiring Abnormal input power supply Check input power supply 16 LU Power under voltage The power voltage is lower than the minimum operating voltage of the equipment Check input power supply The internal power source of the inverter is abnormal Seek for technical support 17 oH1 Heatsink 1 over temperature protection Ambient over temperature Lower the ambient temperature and strengthen ventilation...

Страница 104: ...tions at the output side of the inverter as per the operational regulations and eliminate the errors of missing connection and disconnection 22 ER01 EEPROM failure EEPROM reading and writing failure Seek for technical support 23 ER02 CPU failure CPU failure Seek for technical support 24 ER03 Keypad communication fault Keypad or its control line failure Check the connection of Keypad and its contro...

Страница 105: ...ters Significant deviation of parameters obtained after tuning comparing with the standard parameters Excute mtor aut tuning again under zero load condition 30 ER09 Current detection failure Current sensor failure and bad contact Check the current sensor 32 END Trial period is outdated Contact your supplier Contact your supplier 33 ER12 External fault Act trigger by external fault Check external d...

Страница 106: ...e fault NO YES Seek for technical help Seek for technical help END Identify the fault code per 4 4 4 Common Characters Displayed by LED AND whether the fault code can be Identified Find out the possible reasons and countermeasures for the failure as per the above table and whether this failure is removed Serious fault occurs such as abnormal sound upon power up and no display ...

Страница 107: ...be conducted as per the table below Item Inspection Contents Inspection Means Criteria Operating Environment Temperature Thermometer 10 40º C Derated at 40 to 50º C and the rated output current shall be decreased by 1 for every temperature rise of 1º C Humidity Humidiometer 5 95 no condensing Dust oil water and drop Visual check There are no dust oil water and drop Vibration Special test instrumen...

Страница 108: ...l check There are no foreign objects Motor Insulation test 500VDC megameter Normal 8 3 Component Replacement Different types of components have different service lives The service lives of the components are subject to the environment and application conditions Better working environment may prolong the service lives of the components The cooling fan and electrolytic capacitor are vulnerable compo...

Страница 109: ...or RTU MODBUS 2 8 O 1 for RTU MODBUS 3 7 N 2 for ASCII MODBUS 4 7 E 1 for ASCII MODBUS 5 7 O 1 for ASCII MODBUS 6 8 N 1 free communication format 7 8 E 1 free communication format 8 8 O 1 free communication format 2 2 Baud rate Available baud rate 1200 2400 4800 9600 19200 38400 The default value is 9600 BPS 2 3 Communication address Slave address range 1 32 2 4 Communication mode The drive works ...

Страница 110: ...to inverter BYTE0 BYTE1 BYTE2 BYTE3 BYTE4 BYTE5 BYTE6 BYTE7 BYTE8 BYTE9 BYTE10 HD AD CD OP DT CON ED SUM Item Byte Name Detail HD Start byte 02H one byte AD address Inverter address one byte 0 is broadcast address CD Parameter R W command One byte 0h no operation 1h read parameter from the inverter 10h write parameter from the inverter not store into eerom 11h write parameter from the inverter sto...

Страница 111: ... Start byte 02H one byte IN address Inverter address one byte 0 is broadcast address CT Parameter operation status One bye 0 success 1 data received is exceed the range 2 address is exceed the range 3 data can not be modified while inverter is running 4 data is read only can not be modified OP Parameter number Parameter number two bytes BYTE3 is lower byte BYTE4 is higher byte DT Parameter value P...

Страница 112: ...008H Overload rate 1009H Preset line speed 100AH Running line speed 100BH Output torque 100CH PI reference 100DH PI feedback 100EH reserved 100FH Analog input AI1 1010H Analog input AI2 1011H I O status 1012H External counting value 1013H PID Set 2 For example the computer set the set frequency of the inverter to 50 00Hz and send the run command to the inverter The address of the inverter is 01h T...

Страница 113: ...ressed in hexadecimal format Such as ASCII character 0 1 2 3 4 5 6 7 8 9 A B C D E F ASCII code Hex 30H 31H 32H 33H 34H 35H 36H 37H 38H 39H 41H 42H 43H 44H 45H 46H 7 N 2 start 0 1 2 3 4 5 6 stop stop 7 E 1 start 0 1 2 3 4 5 6 even stop 7 O 1 start 0 1 2 3 4 5 6 odd stop 2 RTU 8 N 2 start 0 1 2 3 4 5 6 7 stop stop 8 E 1 start 0 1 2 3 4 5 6 7 even stop 8 O 1 start 0 1 2 3 4 5 6 7 odd stop ...

Страница 114: ...ster request Slave address Function code Start address of data Data quantity Unit word Redundancy check 1 byte 03H MSB LSB MSB LSB LSB MSB Message format of slave response Slave address Function code Data quantity Data 1 Data n Redundancy check 1 byte 03H 1 byte MSB LSB MSB LSB LSB MSB MSB high byte of double byte number LSB low byte of double byte number 2 Modify data Message format of master req...

Страница 115: ...t without any modifying ASCII 1 Read data Reading data should be less than 30 bytes at a time Message format of master request Frame head Slave address Function code Data address Data quantity LRC Frame tail MSB LSB 0 3 4 3 2 1 4 3 2 1 MSB LSB C R L F Message format of slave response Frame head Slave address Function code Data address Data quantity LRC Frame tail MSB LSB 0 3 4 3 2 1 4 3 2 1 MSB LS...

Страница 116: ... 2 1 4 3 2 1 MSB LSB C R L F 3 Examples 1 Function code 03H Read parameter data ASCII mode Format of query message Format of response message Starting character Starting character Slave address 0 Slave address 0 1 1 Function code 0 Function code 0 3 3 Data address 0 Data address 0 2 0 0 0 0 2 Data quantity word 0 Data content 1 0 5 0 5 1 9 LRC F LRC 8 9 C END CR END CR LF LF ...

Страница 117: ... quantity Word 00H Data content 15H 01H 59H Low byte CRC 85H Low byte CRC 2AH High byte CRC B2H High byte CRC A0H 2 Function code 06H Write parameter data ASCII mode Format of query message Format of response message Starting character Starting character Slave address 0 Slave address 0 1 1 Function code 0 Function code 0 6 6 Data address 0 Data address 0 1 1 0 0 0 0 Modified value 1 Modified value...

Страница 118: ... address 01H 00H 00H Modified value 17H Modified value 17H 70H 70H Low byte CRC 86H Low byte CRC 86H High byte CRC 22H High byte CRC 22H 3 Function code 08H loop detection ASCII mode Format of query message Format of response message Starting character Starting character Slave address 0 Slave address 0 1 1 Function code 0 Function code 0 8 8 Sub function code 0 Sub function code 0 0 0 0 0 0 0 Data...

Страница 119: ...b function code 00H Sub function code 00H 00H 00H Data content 12H Data content 12H ABH ABH Low byte CRC ADH Low byte CRC ADH High byte CRC 14H High byte CRC 14H 4 4 Control word and status word 1 Information of status word 2 bytes 1000H Bit0 1 FWD 0 REV Bit1 1 Drive failure 0 No drive failure Bit2 1 Running state 0 Stopping state Bit3 1 Modifying parameter valid 0 Modifying parameter invalid Bit4...

Страница 120: ...ation of control word 2 bytes 1002H Bit0 1 Running command 0 No running command Bit1 1 FWD 0 REV Bit2 1 Jog FWD 0 Jog FWD and stop Bit3 1 Jog REV 0 Jog REV and stop Bit4 1 Fault reset command 0 No fault reset command Bit5 1 Dec to stop command 0 No Dec to stop command Bit6 1 Free run to stop 0 No free run to stop Bit7 bit15 Reserved ...

Страница 121: ...eserved 100FH Analog input AI1 1010H Analog input AI2 1011H I O status 1012H External counting value 1013H PID setting value 4 5 Fault and troubleshooting If communication fault occurs the drive will response fault code and report function code or 80H to the main control equipment For example ASCII mode RTU mode Starting character Slave address 01H Slave address 0 Function code 86H 1 Fault code 02...

Страница 122: ... non CR LF end character Additional information 1 Function code conversion If preset data is n then sending data n n 1 increment Refer to function parameters table Convert data n into HEX number which is 2 bytes 2 ASCII mode LRC check In the example above LRC check 01H 03H 02H 00H 00H 01H 07H and it s complement F9H 3 RTU mode CRC check LRC check is executed from slave address to data end characte...

Страница 123: ...ter and save the result in CRC register Step 5 Repeat step3 4 until 8 shifts have been performed Step 6 Repeat step2 5 for the next 8 bit message command Continue doing this until all messages have been processed The final content of CRC register is the CRC value Note When the 16 bit CRC is transmitted in the message the low order byte will be transmitted first followed by the high order byte Appe...

Страница 124: ...puter Several inverters connected to a computer The switch of terminal resistor of the inverter at the most distant place id turn to ON start the internal 100Ω terminal compatible resistance Site No 2 Site No n Computer converter RS232 485 RS232 cable Maximum 15 meters Site No 1 GND 485 485 With shielded twisted pair GND GND 485 485 GND 485 485 Appendix Fig 2 Several inverters connected to a compu...

Страница 125: ...Version 1 0 01 Thanks for choosing HNC product Any technique support PLS feel free to contact our support team Tel 86 20 84898493 Fax 86 20 61082610 URL www hncelectric com Email support hncelectric com ...

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