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Universal Motors inverter
UMA1

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Summary of Contents for Universal Motors UMA1 Series

  • Page 1 Universal Motors inverter UMA1...
  • Page 2 The vector control performance of UMA1 series inverters is as outstanding as that of the leading sophisticated inverters on worldwide market. Its speed and torque control can be...
  • Page 3: Table Of Contents

    Content UMA1 series VFD Content Preface ..........................1 Content ..........................2 1 Safety Precautions ......................1 1.1 What this chapter contains .................. 1 1.2 Safety definition ....................1 1.3 Warning symbols ....................1 1.4 Safety guidelines ....................2 2 Quick Start-up ......................... 4 2.1 What this chapter contains ..................
  • Page 4 Content UMA1 series VFD 7 Basic Operation Instruction .................... 94 7.1 What this chapter contains ................94 7.2 First powering on ....................94 7.3 Vector control ....................96 7.4 Torque control ....................97 7.5 Parameters of the motor ................... 98 7.6 Start-up and stop control ...................
  • Page 5 Content UMA1 series VFD 9.3 Application of the inverter ................120 9.4 RTU command code and communication data illustration ........ 123 Appendix A Technical Data ..................... 136 A.1 What this chapter contains ................136 A.2 Ratings ......................136 A.3 Electric power network specification ............... 137 A.4 Motor connection data ..................
  • Page 6: Preface

    Safety precautions UMA1 series VFD 1. Safety Precautions 1.1 What this chapter contains Please read this manual carefully and follow all safety precautions before moving, installing, operating, and servicing the inverter. If ignored, physical injury or death may occur, or damage may occur to the devices.
  • Page 7: Content

    Safety precautions UMA1 series VFD 1.4 Safety guidelines  Only qualified electricians are allowed to operate on the inverter.  Do not carry out any wiring and inspection or changing components when the power supply is applied. Ensure all input power supply is disconnected before wiring and checking and always wait for at least the time designated on the inverter or until the DC bus voltage is less than 36V.
  • Page 8 Safety precautions UMA1 series VFD with proper techniques and ensure the grounding resistor is less than 10Ω. The conductivity of PE grounding conductor is the same as that of the phase conductor (with the same cross sectional area).  R, S and T are the input terminals of the power supply, while U, V and W are the motor terminals.
  • Page 9: Quick Start-Up

    Quick start-up UMA1 series VFD 2. Quick Start-up 2.1 What this chapter contains This chapter mainly describes the basic guidelines during the installation and commission procedures on the inverter, which you may follow to install and commission the inverter quickly.
  • Page 10: Installation Confirmation

    Quick start-up UMA1 series VFD Note: for the cabinet inverter, the ambient temperature means the air temperature inside the cabinet. 3. Check that the altitude of the actual usage site is below 1000m. If exceeds, derate1% for every additional 100m.
  • Page 11: Product Overview

    The chapter briefly describes the operation principle, product characteristics, layout, name plate and type designation information. 3.2 Basic principles UMA1 series inverters are wall, flange and mountable devices for controlling asynchronous AC inductance motors. The diagram below shows the main circuit diagram of the inverter. The rectifier converts three-phase AC voltage to DC voltage.
  • Page 12: Product Specification

    Product overview UMA1 series VFD 3.3 Product specification Function Specification AC 3PH 220V(-15%)~240V(+10%) Input voltage (V) AC 3PH 380V(-15%)~440V(+10%) AC 3PH 520V(-15%)~690V(+10%) Input Input current (A) Refer to the rated value 50Hz or 60Hz Input frequency (Hz) Allowed range: 47~63Hz...
  • Page 13: Name Plate

    Product overview UMA1 series VFD Function Specification interface resolution Terminal switch input ≤ 2ms resolution 1 channels ( AI2) 0~10V/0~20mA and 1 channel Analog input (AI3) -10~10V Analog output 2 channels (AO1, AO2) 0~10V /0~20mA 8 channels common input, the Max. frequency: 1kHz, internal impedance: 3.3kΩ;...
  • Page 14: Type Designation Key

    Fig 3-4 Product type Instructions UMA1 : abbreviation of Universal Motors Advanced 1 3-digit code: output power. “R” means the decimal point; ”011”:11kW; B, D “015”:15kW...
  • Page 15: Structure Diagram

    Product overview UMA1 series VFD Constant torque Variable torque Output Input Output Output Input Output Model power current current power current current (kW) (kW) UMA1 -045G/055P-4 UMA1 -055G/075P-4 UMA1 -075G/090P-4 UMA1 -090G/110P-4 UMA1 -110G/132P-4 UMA1 -132G/160P-4 UMA1 -160G/185P-4 UMA1 -185G/200P-4...
  • Page 16 Product overview UMA1 series VFD Fig 3-5 Product structure diagram Serial Name Illustration Keypad port Connect the keypad Upper cover Protect the internal parts and components See Keypad Operation Procedure for detailed Keypad information See Maintenance and Hardware Fault Diagnose for...
  • Page 17: Installation Guidelines

    Installation guidelines UMA1 series VFD 4. Installation Guidelines 4.1 What this chapter contains The chapter describes the mechanical installation and electric installation.  Only qualified electricians are allowed to carry out what described in this chapter. Please operate as the instructions in Safety Precautions. Ignoring these may cause physical injury or death or damage to the devices.
  • Page 18 The inverter should be installed on an upright position to ensure Installation direction sufficient cooling effect. Note: ◆ UMA1 series inverters should be installed in a clean and ventilated environment according to enclosure classification. ◆ Cooling air must be clean, free from corrosive materials and electrically conductive dust.
  • Page 19 Installation guidelines UMA1 series VFD 4.2.3 Installation manner The inverter can be installed in two different ways, depending on the frame size: a) Wall mounting (for the inverter≤315kW) b) Flange mounting (for the inverter≤200kW). Some need optional flange installation board.
  • Page 20 Installation guidelines UMA1 series VFD 4.2.5 Vertical installation Fig 4-4 Vertical installation Note: Windscreen should be added in vertical installation for avoiding mutual impact and insufficient cooling. 4.2.6 Tilt installation Fig 4-5 Tilt installation Note: Ensure the separation of the wind input and output channels in tilt installation for...
  • Page 21: Standard Wiring

    Installation guidelines UMA1 series VFD 4.3 Standard wiring 4.3.1 Wiring diagram of main circuit Fig 4-6 Wring diagram of main circuit Note: ◆ The fuse, DC reactor, braking unit, braking resistor, input reactor, input filter, output reactor, output filter are optional parts. Please refer to Peripheral Optional Parts for detailed information.
  • Page 22 Installation guidelines UMA1 series VFD Fig 4-9 18.5kW terminals of main circuit Fig 4-10 22~30kW terminals of main circuit Fig 4-11 37~55 kW terminals of main circuit Fig 4-12 75~110kW terminals of main circuit Fig 4-13 132~200kW terminals of main circuit...
  • Page 23 Installation guidelines UMA1 series VFD Fig 4-14 220~315kW terminals of main circuit Fig 4-15 350~500kW terminals of main circuit Terminal name Terminal Function ≤30kW ≥37kW 3-phase AC input terminals which are R, S, T Power input of the main circuit generally connected with the power supply.
  • Page 24 Installation guidelines UMA1 series VFD Terminal name Terminal Function ≤30kW ≥37kW Optional parts (external 220V control A1 and A2 Control power supply terminal power supply) Note: ◆ Do not use an asymmetrically constructed motor cable. If there is a symmetrically...
  • Page 25 Installation guidelines UMA1 series VFD 4.3.4 Wiring diagram of control circuit Fig 4-18 Wiring diagram of the control circuit 4.3.5 Terminals of control circuit 0.75~15kW Fig 4-19 Terminals of control circuit 18.5~500kW Fig 4-20 Terminals of control circuit Note: the spare terminal is reserved and not be used.
  • Page 26 Installation guidelines UMA1 series VFD Terminal Description name +10V Local power supply +10V 1. Input range: AI2 voltage and current can be chose: 0~10V/0~20mA; AI2 can be shifted by J4; AI3:-10V~+10V 2. Input impedance: voltage input: 20kΩ; current input: 500Ω...
  • Page 27: Layout Protection

    Installation guidelines UMA1 series VFD 4.3.6 Input /Output signal connection figure Please use U-shaped contact tag to set NPN mode or PNP mode and the internal or external power supply. The default setting is NPN internal mode. Fig 4-21 U-shaped contact tag If the signal is from NPN transistor, please set the U-shaped contact tag between +24V and PW as below according to the used power supply.
  • Page 28 Installation guidelines UMA1 series VFD Fig 4-24 Fuse configuration Note: Select the fuse as the manual indicated. The fuse will protect the input power cable from damage in short-circuit situations. It will protect the surrounding devices when the internal of the inverter is short circuited.
  • Page 29: Keypad Operation Procedure

    • Start-up 5.2 Keypad The keypad is used to control UMA1 series inverters, read the state data and adjust parameters. Fig 5-1 Keypad Note: The keypad of 0.75~15kW as show in Fig 5-1 A, and 18.5~500kW as show in Fig 5-1 B;...
  • Page 30 Keypad operation procedure UMA1 series VFD Name Description state LED for keypad operation, terminals operation and remote communication control LED off means that the inverter is in the keypad operation state; LED blinking LOCAL/REMOT means the inverter is in the terminals operation state;...
  • Page 31: Keypad Displaying

    Quick key function code P07.02. 5.3 Keypad displaying The keypad displaying state of UMA1 series inverters is divided into stopping state parameter, running state parameter, function code parameter editing state and fault alarm state and so on. Fig 5-2 Displayed state 5.4 Keypad operation...
  • Page 32 Fig 5-4 Sketch map of password setting 5.4.3 How to watch the inverter state through function codes UMA1 series inverters provide group P17 as the state inspection group. Users can enter into P17 directly to watch the state. Fig 5-5 Sketch map of state watching...
  • Page 33: Function Parameters

    This chapter lists and describes the function parameters. 6.2 UMA1 general series function parameters The function parameters of UMA1 series inverters have been divided into 30 groups (P00~P29) according to the function, of which P18~P28 are reserved. Each function group contains certain function codes applying 3-level menus.
  • Page 34 Function parameters UMA1 series VFD password freely and the inverter will work as the last setting one. When P07.00 is set to 0, the password can be canceled. If P07.00 is not 0 during powering on, then the parameter is protected by the password.
  • Page 35 3:Analog AI3 setting B frequency Set the frequency by analog input terminals. ○ P00.07 UMA1 series inverters provide 3 channels analog command input terminals as the standard configuration, of which AI1/AI2 are the voltage/current option (0~10V/0~20mA) which can be shifted by jumpers;...
  • Page 36 (function code P00.03) 4:High-speed pulse HDI setting The frequency is set by high-speed pulse terminals. UMA1 series inverters provide 1 channel high speed pulse input as the standard configuration. The pulse frequency range is 0.00~50.00kHz.
  • Page 37 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code necessary to set P09. The running frequency of the inverter is the value after PID effect. See P09 for the detailed information of the preset source, preset value, and feedback source of PID.
  • Page 38 P00.11 ACC time 1 speeds down from the Max. Output frequency to model 0Hz (P00.03). UMA1 series inverters define four groups of ACC/DEC time which can be selected by P05. Depend The factory default ACC/DEC time of the inverter ○...
  • Page 39 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Factory setting of Model carrier frequency 1.5~11kW 8kHz 15~55kW 4kHz Above 75kW 2kHz The advantage of high carrier frequency: ideal current waveform, little current harmonic wave and motor noise.
  • Page 40 1:P type; for the variable torque load of rated ◎ P00.17 Inverter type parameters (fans and water pumps) UMA1 series inverters can use G/P type, the available motor power of G type is small one power file than that of P type. 0:No operation...
  • Page 41 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code frequency. And then, the inverter will run from the starting frequency to the set frequency. If the set frequency is lower than the starting frequency, the inverter will stop running and keep in the stand-by state.
  • Page 42 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code 1: S curve ACC time of the starting ○ P01.06 0.1s step of S curve 0.0~50.0s DEC time of the ending ○ P01.07 0.1s step of S...
  • Page 43 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Setting range of P01.10: 0.00~50.00s Setting range of P01.11: 0.0~100.0% Setting range of P01.12: 0.00~50.00s During the procedure of switching FWD/REV rotation, set the threshold by P01.14, which is as...
  • Page 44 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code of the running terminal during powering on. during 0: The terminal running command is invalid when powering on powering on. Even the running command is detected to be valid during powering on, the inverter won’t run and the system keeps in the...
  • Page 45 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code 0: Disable 1: Enable, if the starting need is met, the inverter will run automatically after waiting for the time defined by P01.22. The function determines the waiting time before the automatic running of the inverter when powering off and then powering on.
  • Page 46 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Depend Rated current ◎ P02.05 0.8~6000.0A of AM 1 model Stator Depend ○ P02.06 resistor of 0.001~65.535Ω AM 1 model Rotor Depend ○ P02.07 resistor of 0.001~65.535Ω...
  • Page 47 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Setting range: 20.0%~120.0% Correct the power displaying of motor 1. Correction Only impact the displaying value other than the coefficient of ● P02.28 1.00 control performance of the inverter.
  • Page 48 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code different loads to meet various demands. The setting range of P03.00:0~200.0 The setting range of P03.01: 0.000~10.000s The setting range of P03.02:0.00Hz~P03.05 The setting range of P03.03:0~200.0 The setting range of P03.04: 0.000~10.000s...
  • Page 49 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code three times of the rated current of the motor. Keypad Setting range: -300.0%~300.0%(rated current of ○ P03.12 50.0% setting torque the motor) Torque ○ P03.13 reference 0.000~10.000s...
  • Page 50 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code torque analog potentiometer on the keypad and AI1 source setting is not available for the device which is 18.5kW or higer than 18.5kW) 2: AI2...
  • Page 51 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code The setting time:0.000~10.000s Weak 0~8000 magnetic ○ P03.26 Note: P03.24~P03.26 are invalid for vector 1000 proportional mode. gain Vector 0: Display the actual value ○...
  • Page 52 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Torque boost is used for the compensation of low frequency torque. P04.01 is relative to the Max. output voltage V P04.02 defines the percentage of closing...
  • Page 53 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Note:V1<V2<V3, f1<f2<f3. Too high low frequency voltage will heat the motor excessively or damage. The inverter may occur the overcurrent speed or overcurrent protection. The setting range of P04.03: 0.00Hz~P04.05 The setting range of P04.04:0.0%~110.0%...
  • Page 54 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code adjusts the output voltage to save energy Select the output setting channel at V/F curve separation. 0: Keypad setting voltage: the output voltage is determined by P04.28.
  • Page 55 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Used to adjust the output voltage of inverter in V/F mode when weaking magnetic. Note: Invalid in constant-torque mode. Weaking coefficient at ● P04.33 1.00...
  • Page 56 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code 22:ACC/DEC time option 2 23:Simple PLC stop reset 24:Simple PLC pause 25:PID control pause 26:Traverse Pause(stop at the current frequency) 27:Traverse reset(return to the center frequency)
  • Page 57 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code BIT6:S7 virtual terminal BIT7:S8 virtual terminal BIT8:HDI virtual terminal Set the operation mode of the terminals control 0:2-wire control 1, comply the enable with the direction.
  • Page 58 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Forward Reverse OFF→ON Reverse Forward Reverse Forward ON→OFF Forward Reverse ON→ Decelerate to stop 3:3-wire control 2; Sin is the enabling terminal on this mode, and the running command is caused by SB1 or SB3 and both of them control the running direction.NC SB2 generates the stop...
  • Page 59 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code terminal ○ P05.15 0.000s switching-off delay time S2 terminal Setting range:0.000~50.000s ○ P05.16 switching-on 0.000s delay time terminal ○ P05.17 0.000s switching-off delay time S3 terminal ○...
  • Page 60 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code terminal ○ P05.26 0.000s switching-on delay time terminal ○ P05.27 0.000s switching-off delay time terminal ○ P05.28 0.000s switching-on delay time terminal ○ P05.29 0.000s...
  • Page 61 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Correspondin g setting of ○ P05.38 0.0% the lower limit of AI2 Upper limit of ○ P05.39 10.00V Correspondin g setting of Input filter time: this parameter is used to adjust ○...
  • Page 62 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Lower limit 0.000 ○ P05.50 frequency of 0.000kHz~P05.52 Correspondin g setting of ○ P05.51 HDI low -100.0%~100.0% 0.0% frequency setting Upper limit 50.00 ○ P05.52 frequency of P05.50 ~50.00kHz...
  • Page 63 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code 11:Lower limit frequency arrival 12:Ready for operation 13:Pre-magnetizing 14:Overload pre-alarm 15: Underload pre-alarm 16:Completion of simple PLC step 17:Completion of simple PLC cycle 18:Setting count value arrival...
  • Page 64 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code ○ P06.11 switching-off 0.000s delay time ○ P06.12 switching-on 0.000s delay time ○ P06.13 switching-off 0.000s delay time ○ P06.14 AO1 output 0:Running frequency ○...
  • Page 65 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code output of 100% of the output value is different. correspondin Please refer to each application for detailed ○ P06.20 g AO1 output information. 10.00V to the upper...
  • Page 66 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code make the password protection invalid. After the user’s password becomes valid, if the password is incorrect, users cannot enter the parameter menu. Only correct password can make the user check or modify the parameters.
  • Page 67 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code valid in the keypad commands channels. 4: Clear UP/DOWN settings. Press QUICK/JOG to clear the set value of UP/DOWN. 5: Coast to stop. Press QUICK/JOG to coast to stop.
  • Page 68 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code BIT11:output terminals state BIT12:torque set value(% on) BIT13:pulse counter value BIT14:length value BIT15:PLC and the current stage in multi-step speed 0x0000~0xFFFF BIT0: AI1 (V on) (The inverter(≤15kW) can be...
  • Page 69 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Frequency 0.01~10.00 ○ P07.08 1.00 coefficient Displayed frequency=running frequency* P07.08 Rotation 0.1~999.9% ○ P07.09 speed Mechanical rotation speed =120*displayed 100.0% coefficient running frequency×P07.09/motor pole pairs 0.1~999.9%...
  • Page 70 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code code 2 Factory bar ● P07.23 0x0000~0xFFFF code 3 Factory bar ● P07.24 0x0000~0xFFFF code 4 Factory bar ● P07.25 0x0000~0xFFFF code 5 Factory bar ●...
  • Page 71 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Previous 4 36: Undervoltage fault(LL) ● P07.31 fault type Previous 5 ● P07.32 fault type Running ● P07.33 frequency at 0.00Hz current fault Ramp reference P07.34...
  • Page 72 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code voltage at previous fault ● The output P07.44 current at 0.0A previous fault ● Bus voltage P07.45 at previous 0.0V fault ● The Max. temperature P07.46...
  • Page 73 Refer to P00.11 and P00.12 for detailed Depend definition. ○ P08.02 ACC time 3 UMA1 series define four groups of ACC/DEC model time which can be selected by P5 group. The first Depend group of ACC/DEC time is the factory default ○...
  • Page 74 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Setting range:0.0~3600.0s Jumping When the set frequency is in the range of ○ P08.09 0.00Hz frequency 1 jumping frequency, the inverter will run at the edge of the jumping frequency.
  • Page 75 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Sudden jumping frequency=traverse range AW ×sudden jumping frequency range P08.16. When run at the traverse frequency, the value which is relative to the sudden jumping frequency.
  • Page 76 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code numbers and stop to recount before the next pulse. The setting counting value P08.26 should be no more than the setting counting value P08.25. The function is illustrated as below: Setting range of P08.25:P08.26~65535...
  • Page 77 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code electrical level detection value FDT2 Setting range of P08.32: 0.00Hz~P00.03 retention (the Max. frequency) ○ P08.35 5.0% detection Setting range of P08.33: -100.0~100.0% value (FDT1 electrical level) Setting range of P08.34: 0.00 Hz ~P00.03...
  • Page 78 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code factory value changes with voltage level. 700.0V The setting range:200.0~2000.0V 500V In order to prevent customers set the value is too voltage: large, it is recommended setting range: 900.0V...
  • Page 79 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code 2:Only digital potentiometer adjustments is valid 3:Neither ∧/∨ keys nor digital potentiometer adjustments are valid LED tens: frequency control selection 0:Only valid when P00.06=0 or P00.07=0...
  • Page 80 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code frequency integral ratio 0x000~0x111 LED ones: Action selection when power off. 0:Save when power off 1:Clear when power off LED tens: Action selection when MODBUS set...
  • Page 81 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Input power This function code is used to adjust the displayed ○ P08.51 factor of the current of the AC input side. 0.56 inverter Setting range:0.00~1.00...
  • Page 82 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code channel can not coincide, otherwise, PID can not control effectively. 0: PID output is positive: When the feedback signal exceeds the PID reference value, the output frequency of the inverter will decrease to balance the PID.
  • Page 83 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code the Max. Frequency (P00.03) or the Max. Voltage (P04.31). Longer the integral time, stronger is the adjusting. Setting range: 0.00~10.00s This parameter means the sampling cycle of the feedback.
  • Page 84 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Setting range of P09.11: 0.0~100.0% Setting range of P09.12: 0.0~3600.0s 0x0000~0x1111 LED ones: 0: Keep on integral adjustment when the frequency achieves the upper and low limit; the...
  • Page 85 ○ P10.08 0.0% speed 3 The running Multi-step speeds are in the range of --f ○ P10.09 0.0s time of step 3 and it can be set continuously. UMA1 series inverters can set 16 steps speed, ○ P10.10 Multi-step 0.0%...
  • Page 86 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code speed 4 selected by the combination of multi-step terminals 1~4, corresponding to the speed 0 to The running ○ P10.11 0.0s speed 15. time of step 4 Multi-step ○...
  • Page 87 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code The running P10.(2n+1,1<n<17):0.0~6553.5s(min) ○ P10.29 time of step 0.0s Multi-step ○ P10.30 0.0% speed 14 The running ○ P10.31 time of step 0.0s Multi-step ○...
  • Page 88 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code corresponding function codes. Setting range: 0x0000~0xFFFF 0: Restart from the first step; stop during running (cause by the stop command, fault or power loss), run from the first step after restart.
  • Page 89 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Frequency-decrea sing point at 260V 460V 800V sudden power loss Note: 1. Adjust the parameter properly to avoid the stopping caused by inverter protection during the switching of the grid.
  • Page 90 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Setting range of P11.05: 0x00~0x11 LED ones:current limit 0:Invalid 1:Always invalid LED tens:overload alarm 0:Valid 1: Invalid Setting range of P11.06: 50.0~200.0% Setting range of P11.07: 0.00~50.00Hz/s...
  • Page 91 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code pre-alarm and the inverter stops running after overload fault 2: The inverter continues to work after overload pre-alarm and the inverter stops running after underload fault 3.
  • Page 92 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code When P01.00=0 during the starting of the Braking inverter, set P13.14 to a non-zero value to enter P13.13 current of 0.0% the short circuit braking.
  • Page 93 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code communication is not applied. 0: No check (N,8,1) for RTU 1: Even check (E,8,1) for RTU 2: Odd check (O,8,1) for RTU 3:No check (N,8,2) for RTU...
  • Page 94 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code fault 1:No alarm and continue to run processing 2:No alarm and stop according to the stop means (only under the communication control) 3:No alarm and stop according to the stop means...
  • Page 95 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Display current Switch input terminals state of the inverter ON-OFF BIT8 BIT7 BIT6 BIT5 input ● P17.12 terminals BIT4 BIT3 BIT2 BIT1 BIT0 state Range: 0000~00FF...
  • Page 96 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code value PID feedback Display PID response value ● P17.24 value Range: -100.0~100.0% Power factor Display the current power factor of the motor. ● P17.25 of the motor Range: -1.00~1.00...
  • Page 97 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code Fire mode 2: the drive operates continuously, but stops if one of these alarms occurs (OUT1, OUT2, OUT3, OC1, OC2, OC3, OV1, OV2, OV3 and SPO) Bit 2: Type of signal input Fire mode 0: Continuous signal.
  • Page 98 Function parameters UMA1 series VFD Default Function Name Detailed instruction of parameters Modify value code frequency Exit ○ P24.08 hibernation 0.00~100.0% 10.0% pressure Mini ○ P24.09 hibernation 0.0~3600.0s 5.0s time Number of P24.10~P24.12 can make three motors to form a ○...
  • Page 99 Basic operation instruction UMA1 series VFD 7. Basic Operation Instruction 7.1 What this chapter contains This chapter describes the internal function mode of the inverter in details.  Check all terminals are connected properly and tightly.  Check that the power of the motor corresponds to that of the inverter.
  • Page 100 Basic operation instruction UMA1 series VFD Note: If fault occurs, please do as the “Fault Tracking”. Estimate the fault reason and settle the issue. Besides P00.01 and P00.02, terminal command setting can also used to set the running command channel.
  • Page 101 This method can realize the decoupling of exciting current and torque current to adjust the high performance of asynchronous motors. UMA1 series inverters are embedded speedless sensor vector control calculation for driving both asynchronous motors and synchronous motors. Because the core calculation of vector control is based on exact motor parameter models, the accuracy of motor parameter will impact on the performance of vector control.
  • Page 102 UMA1 series VFD 7.4 Torque control UMA1 series inverters support two kinds of control mode: torque control and rotation speed control. The core of rotation speed is that the whole control focuses on the stable speed and ensures the setting speed is the same as the actual running speed. The Max. Load sould be in the range of the torque limit.
  • Page 103 Basic operation instruction UMA1 series VFD 7.5 Parameters of the motor  Physical accident may occur if the motor starts up suddenly during autotune. Please check the safety of surrounding environment of the motor and the load before autotune.  The power is still applied even the motor stops running during static autotune.
  • Page 104 Basic operation instruction UMA1 series VFD 7.6 Start-up and stop control The start-up and stop control of the inverter includes three states: start after the running command during normal powering on, start after the restarting function becomes valid during normal powering on and start after the automatic fault reset. Below is the detailed instruction for three starting.
  • Page 105 UMA1 series VFD 7.7 Frequency setting UMA1 series inverters can set the frequency by various means. The reference channel can be divided into main reference channel and assistant reference channel. There are two main reference channels: A frequency reference channel and B frequency reference channel.
  • Page 106 200ms 7.9 Multi-step speed running Set the parameters when the inverter carries out multi-step speed running. UMA1 series inverters can set 16 step speed which can be selected by the combination code of multi-step speed terminals 1~4. They correspond to multi-step speed 0 to 15.
  • Page 107 Basic operation instruction UMA1 series VFD P10.02 multi-stage speed 0 BIT0 P10.34 P10.03 the running time of stage 0 BIT1 Terminal function 16 Multi-stage speed The ACC/DEC time selection terminal 1 of Stage 0~7 of PLC Terminal function 17 P10.04 multi-stage speed 1...
  • Page 108 Basic operation instruction UMA1 series VFD When P00.06, P00. 07=7 or P04.27=6, the running mode of the inverter is procedure PID control. 7.15.1 General steps of PID parameters setting: a Ensure the gain P When ensure the gain P, firstly cancel the PID integration and derivation (set Ti=0 and Td=0, see the PID parameter setting for detailed information) to make proportional adjustment is the only method to PID.
  • Page 109 7.11 Pulse counter UMA1 series inverters support pulse counter which can input counting pulse through HDI terminal. When the actual length is longer than or equal to the set length, the digital output terminal can output length arrival pulse signal and the corresponding length will be cleared automatically.
  • Page 110 Fault tracking UMA1 series VFD 8. Fault Tracking 8.1 What this chapter contains This chapter describes how to reset faults and view fault history. It also lists all alarm and fault messages including the possible cause and corrective actions.  Only qualified electricians are allowed to maintain the inverter. Read the safety instructions in chapter Safety precautions before working on the inverter.
  • Page 111 Fault tracking UMA1 series VFD Fault code Fault type Possible cause What to do ⚫The acceleration or ⚫Increase the ACC time Over-current when ⚫Check the input power acceleration deceleration is too fast ⚫The voltage of the grid is ⚫Select the inverter with a...
  • Page 112 Fault tracking UMA1 series VFD Fault code Fault type Possible cause What to do ⚫The inverter will report ⚫Check the load and the Electrical overload overload pre-alarm overload pre-alarm point. according to the set value ⚫Check input power ⚫Phase loss or fluctuation ⚫Check installation...
  • Page 113 Fault tracking UMA1 series VFD Fault code Fault type Possible cause What to do ⚫Error of controlling the ⚫Press STOP/RST to reset write and read of the ⚫Change the main control EEPROM fault parameters panel ⚫Damage to EEPROM ⚫Check the PID feedback ⚫PID feedback offline...
  • Page 114 Fault tracking UMA1 series VFD Fault code Fault type Possible cause What to do ⚫The connection of the ⚫Check the keypad wires keypad wires is not good and ensure whether there or broken is mistake ⚫The keypad wire is too Parameters ⚫Change the hardware and...
  • Page 115 Fault tracking UMA1 series VFD 8.6.2 Motor vibration Motor vibration or abnormal noise Please set right Check the motor parameter motor type and or motor type is right or not parameters Perform parameter Perform right autotune or not parameter autotune...
  • Page 116 Fault tracking UMA1 series VFD 8.6.4 Undervoltage fault UV fault Ensure the power supply If the voltage of the power supply is in the standard range meet the need Check if the air switch and Switch on the air switch...
  • Page 117 Fault tracking UMA1 series VFD 8.6.6 Inverter overheating Inverter overheating Reduce the load and Check if the load is too heavy increase the capacity of or the capacity of the inverter the inverter is too low Check if the ambient...
  • Page 118 Fault tracking UMA1 series VFD 8.6.8 Overcurrent Overcurrent Settle the short circuit Check if UVW is short circuited problem and configure to the earth. Remove the motor the motor cables rightly cable and ensure if there is connected with the earth.
  • Page 119 Fault tracking UMA1 series VFD Maintenance and hardware diagnostics 8.8.1 Overcurrent If installed in an appropriate environment, the inverter requires very little maintenance. The table lists the routine maintenance intervals recommended by INVT. Checking Checking part Checking item Criterion method...
  • Page 120 Fault tracking UMA1 series VFD Checking Checking part Checking item Criterion method Ensure that there are no crackles or Visual color-changing of the examination protective layers. Ensure that there is no Visual Terminals seat damage examination Ensure that there is no...
  • Page 121 Fault tracking UMA1 series VFD Checking Checking part Checking item Criterion method color-changing. examination Ensure there are no Visual crackles, damage examination distortion and rust. Visual examination or Ensure there is no estimate the weeping and distortion to usage time the capacitors.
  • Page 122 Fault tracking UMA1 series VFD designated on the inverter. 2. Lever the fan holder off the drive frame with a screwdriver and lift the hinged fan holder slightly upward from its front edge. 3. Loose the fan cable from the clip.
  • Page 123 Fault tracking UMA1 series VFD 380V charging illustration of the driven device 8.8.3.2 Change electrolytic capacitors  Read and follow the instructions in chapter Safety Precautions. Ignoring the instructions may cause physical injury or death, or damage to the equipment.
  • Page 124 9.1 What this chapter contains This chapter describes the communication protocol of UMA1 series inverters. The UMA1 series inverters provide RS485 communication interface. It adopts international standard MODBUS communication protocol to perform master-slave communication. The user can realize centralized control through PC/PLC, upper control PC, etc. (set the control...
  • Page 125 Communication protocol UMA1 series VFD 9.3 Application of the inverter The MODBUS protocol of the inverter is RTU mode and the physical layer is 2-wire RS485. 9.3.1 RS485 The interface of 2-wire RS485 works on semiduplex and its data signal applies differential transmission which is called balance transmission, too.
  • Page 126 Communication protocol UMA1 series VFD In one character frame, the digital bit takes effect. The start bit, check bit and end bit is used to send the digital bit right to the other device. The digital bit, even/odd checkout and end bit should be set as the same in real application.
  • Page 127 Communication protocol UMA1 series VFD setting of each byte. The definition of even checkout: add an even check bit before the data transmission to illustrate the number of “1” in the data transmission is odd number or even number. When it is even, the check byte is “0”, otherwise, the check byte is”1”.
  • Page 128 Communication protocol UMA1 series VFD The method is advanced with easy program and quick calculation speed. But the ROM space the program occupied is huge. So use it with caution according to the program required space. 9.4 RTU command code and communication data illustration 9.4.1 Command code: 03H...
  • Page 129 Communication protocol UMA1 series VFD ADDR Byte number Data high bit of address 0004H Data low bit of address 0004H Data high bit of address 0005H Data low bit of address 0005H CRC CHK low bit CRC CHK high bit T1-T2-T3-T4 (transmission time of 3.5 bytes)
  • Page 130 Communication protocol UMA1 series VFD START T1-T2-T3-T4 (transmission time of 3.5 bytes) ADDR High bit of writing data address Low bit of writing data address High bit of data content Low bit of data content CRC CHK low bit CRC CHK high bit T1-T2-T3-T4 (transmission time of 3.5 bytes)
  • Page 131 Communication protocol UMA1 series VFD 9.4.4 Command code: 10H, continuous writing Command code 10H means that if the master writes data to the inverter, the data number depends on the “data number” in the command code. The Max. continuous reading number is 16.
  • Page 132 Communication protocol UMA1 series VFD be changed into hex. For example P05.06, the group number before the radix point of the function code is 05, then the high bit of the parameter is 05, the number after the radix point 05, then the low bit of the parameter is 06, then t he function code address is 0506H and the parameter address of P10.01 is 0A01H.
  • Page 133 Communication protocol UMA1 series VFD Function Address Data meaning instruction instruction definition characteristics PID feedback, range(0~1000, 1000 2003H corresponds to100.0% ) Torque setting value (-3000~3000, 1000 2004H corresponds to the 100.0% of the rated current of the motor) The upper limit frequency setting during 2005H forward rotation(0~Fmax(unit: 0.01Hz))
  • Page 134 Communication protocol UMA1 series VFD Function Address Data meaning instruction instruction definition characteristics Bit3: =0:asynchronous motor =1:synchronous motor Bit4:=0:pre-alarm without overload =1:overload pre-alarm Bit5~ Bit6:=00:keypad control =01:terminal control =10:commuincation control Fault code of the 2102H See the fault type instruction...
  • Page 135 Communication protocol UMA1 series VFD Function Address Data meaning instruction instruction definition characteristics counting value Torque setting 3015H Range: 0~65535 Inverter code 3016H Fault code 5000H R/W characteristics means the function is with read and write characteristics. For example, “communication control command” is writing chrematistics and control the inverter with writing command (06H).
  • Page 136 Communication protocol UMA1 series VFD If there is one figure behind the radix point in the setting range or the default value, then the fieldbus ratio value is 10. if the data received by the upper monitor is 50, then the “hibernation restore delay time”...
  • Page 137 Communication protocol UMA1 series VFD Code Name Meaning failed the function input terminal can not be set repeatedly. Password The password written to the password check address is not same error as the password set by P7.00. In the frame message sent by the upper monitor, the length of the...
  • Page 138 Communication protocol UMA1 series VFD Abnormal response code 86H means the abnormal response to writing command 06H; the fault code is 04H. In the table above, its name is operation failed and its meaning is that the parameter setting in parameter writing is invalid. For example, the function input terminal can not be set repeatedly.
  • Page 139 Communication protocol UMA1 series VFD If the operation is success, the response may be as below (the same with the command sent by the master): Set the Max. Output frequency of the inverter with the address of 03H as100Hz. See the figures behind the radix point, the fieldbus ratio value of the Max. output frequency (P00.03) is 100.
  • Page 140 DEC time means the time needed if the inverter model speeds down from the Max. Output frequency to 0Hz (P00.03). UMA1 series inverters define four groups of Depend ○ ACC/DEC time which can be selected by P05. The P00.12 DEC time 1...
  • Page 141: Ratings

    Appendix A UMA1 series VFD Technical Data Appendix A A.1 What this chapter contains This chapter contains the technical specifications of the inverter, as well as provisions for fulfilling the requirements for CE and other marks. A.2 Ratings A.2.1 Capacity Inverter sizing is based on the rated motor current and power.
  • Page 142: Applicable Standards

    2000…3000 m, the derating is 1% for every 100 m. A.2.2.3 Carrier frequency derating For UMA1 series inverters, different power level corresponds to different carrier frequency range. The rated power of the inverter is based on the factory carrier frequency, so if it is above the factory value, the inverter needs to derate 20% for every additional 1 kHz carrier frequency.
  • Page 143 Appendix A UMA1 series VFD Safety of machinery-safety related parts of control systems - EN ISO 13849-1: 2008 Part 1: general principles for design Safety of machinery. Electrical equipment of machines. Part IEC/EN 60204-1:2006 1: General requirements. Safety of machinery – Functional safety of safety-related...
  • Page 144 Appendix A UMA1 series VFD A.6.1 Category C2 The emission limits are complied with the following provisions: 1. The optional EMC filter is selected according to the options and installed as specified in the EMC filter manual. 2. The motor and control cables are selected as specified in this manual.
  • Page 145: Keypad Structure

    Appendix B UMA1 series VFD Dimension Drawings Appendix B B.1 What this chapter contains Dimension drawings of the UMA1 are shown below. The dimensions are reference in millimeters and inches. B.2 Keypad structure B.2.1 Structure chart B.2.2 Installation chart Note: The external keypad can be fix by M3 screws directly or the installation bracket. The installation bracket for inverters of 0.75~30kW is optional and the installtaion bracket for...
  • Page 146: Inverter Chart

    Appendix B UMA1 series VFD B.3 Inverter chart B.3.1 Wall mounting 0.75-15kW wall mounting 18.5-30kW wall mounting 37-110kW wall mounting 132-200kW wall mounting...
  • Page 147 Appendix B UMA1 series VFD 220-315kW wall mounting Installation dimension (unit: mm) Installation Model hole 0.75kW ~2.2kW 174.5 4kW~5.5kW 243.5 7.5kW~15kW 303.5 18.5kW 22kW~30kW 37kW~55kW 75kW~110kW 132kW~200kW 220kW~315kW 379.5 B.3.2 Flange mounting 0.75-15kW flange mounting 18.5-30kW flange mounting...
  • Page 148 Appendix B UMA1 series VFD 37-110kW flange mounting 132-200kW flange mounting Installation dimension (unit: mm) Installation Model hole 0.75kW~2.2kW 150.2 115 190 13.5 65.5 4kW~5.5kW 170.2 131 84.5 7.5kW~15kW 191.2 151 174 11.5 370 196.3 113 18.5kW 22kW~30kW 37kW~55kW 261 65.5 555 75kW~110kW 317 58.5 680...
  • Page 149 Appendix B UMA1 series VFD B.3.3 Floor mounting 220-315kW floor mounting 50-500kW floor mounting Installation Model hole 220kW~315kW 1410 1390 13\12 350kW~500kW 1700 1678 22\12...
  • Page 150: Peripheral Wiring

    UMA1 series VFD Peripheral Options and Parts Appendix C C.1 What this chapter contains This chapter describes how to select the options and parts of UMA1 series. C.2 Peripheral wiring Below is the peripheral wiring of UMA1 series inverters. Note: 1.
  • Page 151: Power Supply

    Appendix C UMA1 series VFD Pictures Name Descriptions This device is used to improve the power Input reactor factor of the input side of the inverter and control the higher harmonic current. The inverter above 37kW (including 37kW) DC reactor can be connected with DC reactor.
  • Page 152 Appendix C UMA1 series VFD recommended. Compared to a four-conductor system, the use of a symmetrical shielded cable reduces electromagnetic emission of the whole drive system as well as motor bearing currents and wear. Note: A separate PE conductor is required if the conductivity of the cable shield is not sufficient for the purpose.
  • Page 153 Appendix C UMA1 series VFD connecting to the drive. Note: Check the insulation of the input power cables according to local regulations before connecting the cables. Recommended cable size(mm Screw Terminal Tightening The inverter R,S,T P1(+) PB(+)(-) screw torque U,V,W...
  • Page 154 Appendix C UMA1 series VFD run in parallel installed next to each other. It is recommended that the motor cable, input power cable and control cables are installed on separate trays. Avoid long parallel runs of motor cables with other cables to decrease electromagnetic interference caused by the rapid changes in the drive output voltage.
  • Page 155: Reactors

    Appendix C UMA1 series VFD It is appropriate to use a breaker (MCCB) which complies with the inverter power in the 3-phase AC power and input power and terminals (R, S and T). The capacity of the inverter should be 1.5-2 times of the rated current.
  • Page 156 Appendix C UMA1 series VFD protection may occur to the inverter because of high leakage current caused by parasitic capacitance effects from the long cables to the ground. In order to avoid the damage of the motor insulation, it is necessary to add reactor compensation.
  • Page 157: Braking System

    Appendix C UMA1 series VFD The inverter Input filter Output filter UMA1 -2R2G-4 UMA1 -004G/5R5P-4 FLT-P04016L-B FLT-L04016L-B UMA1 -5R5G/7R5P-4 UMA1 -7R5G/011P-4 FLT-P04032L-B FLT-L04032L-B UMA1 -011G/015P-4 UMA1 -015G/018P-4 FLT-P04045L-B FLT-L04045L-B UMA1 -018G/022P-4 UMA1 -022G/030P-4 FLT-P04065L-B FLT-L04065L-B UMA1 -030G/037P-4 UMA1 -037G/045P-4 FLT-P04100L-B...
  • Page 158 Incorrect wiring may cause damage to the inverter or other devices. UMA1 series inverters below 30kW (including 30kW) need internal braking units and the inverters above 37kW need external braking unit. Please select the resistance and power of the braking resistors according to actual utilization.
  • Page 159 Appendix C UMA1 series VFD 100% of The consumed power of the Mini Braking unit braking braking resistor Braking The inverter type rate Resistor (Ω) (Ω) braking braking braking UMA1 -200G/220P-4 UMA1 -220G/250P-4 DBU100H-400-4 UMA1 -250G/280P-4 UMA1 -280G/315P-4 3.6*2 21*2...
  • Page 160 Appendix C UMA1 series VFD  The inverters above 37kW (including 370kW) only needs external braking units.  (+), (-) are the wiring terminals of the braking units.  The wiring length between the (+),(-) terminals of the inverter and the...
  • Page 161 Appendix C UMA1 series VFD Optional Instruction Picture part Support several languages, parameters copy, high-definition LCD Keypad display and the installation dimension is compatible with the LED keypad. LED keypad 0.75~15kW inverter optional.
  • Page 162 Appendix D UMA1 series VFD Further Information Appendix D D.1 Product and service inquirie Address any inquiries about the product to your local INVT offices, quoting the type designation and serial number of the unit in question. A listing of INVT sales, support and service contacts can be found by navigating to www.invt.com.cn.
  • Page 163 OFFICE AND WAREHOUSE HEAD QUARTERS: SOUTH DELEGATION: Póvoa de Varzim Cacém PORTUGAL PORTUGAL Tel.: [+351] 252 299 080 Tel.: [+351] 214 134 728 geral@universalmotors.pt geral@universalmotors.pt www.universalmotors.pt www.universalmotors.pt UNITED KINGDOM: SPAIN: West Yorkshire Madrid ESPANHA Tel.: [+440] 1484 660 222 Tel.: [+34] 918 864 213 enquiries@universalmotors-group.co.uk info@universalmotors-group.es www.universalmotors-group.co.uk...

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