Page 1 SV800 Series Intelligent vector inverter Users’ Manual Ver:1.0-01 Shenzhen SCOV Electric Technologies Co., Ltd.
Page 2 After careful study, SCOV found that if we want to achieve a breakthrough in the core algorithm, we must systematically study the solution, especially perform algorithmically accurate calculations for the nuances of the theoretical model of the motor and the actual motor parameters, the nonlinear loss of the drive circuit and the loss of the connecting wire.
Page 3: Table Of Contents
Content 1 Safety information and precautions ................... 1 1.1 Safety precautions ....................1 1.1.1 Safety precautions before installation ............1 1.1.2 Safety precautions for transporting and installation ........1 1.1.3 Safety precautions for wiring ............... 2 1.1.4 Safety precautions for debugging and operation .......... 2 1.1.5 Safety precautions for maintenance and rejection ........
Page 4 3.6 SV800 appearance and installation dimensions ............ 27 3.7 Keyboard appearance and installation dimensions ..........31 4 Electrical wiring and precautions ..................33 4.1 Main circuit electrical wiring ................33 4.1.1 Arrangement and definition of main circuit terminals ........ 33 4.1.2 Main circuit wiring precautions ..............
Page 5 5.3.2 Preparation before induction motor self-learning ........72 5.3.3 Instructions of induction motor DC self-learning mode ......73 5.3.4 Instructions of induction motor Full-mode self-learning ......74 5.3.5 Instructions of the second induction motor self-learning ......76 5.3.6 Status display and fault description of induction motor self-learning ..79 5.4 Inverter model, carrier frequency and control mode settings ........
Page 6 7.3.2 d1: Command input selection..............148 7.3.3 d2: Operating module control parameters ..........154 7.3.4 d3:Torque control module parameters ............162 7.3.5 d4:V/F control mode parameters .............. 162 7.4 E: Acc./Dec. curve setting parameters ..............165 7.4.1 E0:The upper and low limit speed/ frequency .......... 165 7.4.2 E1:Speed/ frequency instructions .............
Page 7 Appendix A: Braking ......................217 A.1 Selection of braking unit and braking resistor ............ 217 A.1.1 Selection of braking resistor resistance ........... 217 A.1.3 Wiring of braking unit and braking resistor..........218 Appendix B: Communication ................... 220 B.1 Modbus communication ..................220 B.1.1 Support protocol ..................
Page 9: Safety Information And Precautions
Both marks which used in the manual indicate that there is an important content of safety. Failure to comply with those notices may lead to death, serious injury, damage to the products and related machines and systems. SCOV will assume no liability or responsibility for any injury, damage or loss caused by improper operation.
Page 10: Safety Precautions For Wiring
1 Safety information and precautions SV800/SV800A User Manual WARNING  Lift and handle the inverter gently when carrying, do not hold the front cover with one hand only. It may hurt your feet or damage the inverter if it falls off. ...
Page 11: Safety Precautions For Maintenance And Rejection
SV800/SV800A User Manual 1 Safety information and precautions WARNING  Do not touch the fan, radiator or braking resistor directly. May cause mechanical injury and burns.  Do not use the input contactor on/off frequently to control the start and stop of the frequency inverter. May cause damage to the inverter.
Page 12 1 Safety information and precautions SV800/SV800A User Manual WARNING external surge suppressor in front of the inverter power input.  The using of contactors If a contactor is installed between the power supply and the inverter input terminal, do not frequently use the input contactor on/off mode to control the start and stop of the inverter.
Page 13: Product Introduction
You can refer to the “MODEL” column on the nameplate which on the side of the inverter  Nameplate: SV800 INVERTER Inverter model MODEL : SV800-7R54G/114PB INPUT Rated input 3PH AC 400V 50/60H Rated output OUTPUT : 7.5/11KW 17/24A S/N: Serial NO. 802518301021 Shenzhen SCOV Electric Technologes Co. ， Ltd. Fig. 2-1 Nameplate...
Page 14: Designation Rules Of Sv800/Sv800A Models
2 Product Introduction SV800/SV800A User Manual 2.1.2 Designation Rules of SV800/SV800A models SV800 / SV800A 7R5 4 G / 11 4 P B S:Single phase input Inverter Series B:Built-in Braking Unit P:Fan or Pump Type Code Adapted Motor 2.2KW G:General Type 4.0KW 5.5KW 7.5KW...
Page 15: Components Name Of The Frequency Inverter
SV800/SV800A User Manual 2 Production Introduction 2.1.3 Components name of the frequency inverter This section describes the components names of the inverter.  Plastic housing model Fan cover Main control board Upper fornt cover Keyboard Metal bottom plate Casing TB Board Power terminals Lower front cover Cabling board...
Page 16 2 Product Introduction SV800/SV800A User Manual  Sheet metal housing model Fan cover Upper front cover Keyboard Holder Keyboard Lower front cover Shell Power terminals Fig. 2-4 Components names of the sheet metal housing model...
Page 17: Product Models And Specifications
2 Production Introduction 2.1.4 Product models and specifications The model and specifications of the SV800 series are shown in below Table 2-1. The input voltage is three-phase three-wire system (400V± 15% 50/60Hz± 5%), and the output voltage varies with the input voltage; the output power P is valid at the rated voltage U =380V.
Page 18: Heavy Load Application And De-Rating Use Of Frequency Inverter
2 Product Introduction SV800/SV800A User Manual High heavy Carrier frequency Rated load Heavy load load range Code Model name 15.0 SV800-2804G/3154P 2804 15.0 SV800-3154G/3554P 3154 15.0 SV800-3554G/4004P 3554 4004 1110 15.0 SV800-4004G/4504P 4504 1230 15.0 SV800-4504G/5004P 5004 1380 15.0 SV800-5004G/5604P 1485 15.0 SV800-5604G/6304P...
Page 19 SV800/SV800A User Manual 2 Production Introduction P0-04～P0-06 (motor over-torque protection); The output current of the inverter is also limited , allowing continuous operation for 1 minute / 5 minutes at 40 ℃; P by I is the typical motor power adapted for high heavy load applications. Current or oL% oL%=100% Overload counting curve...
Page 20 2 Product Introduction SV800/SV800A User Manual Derating factors Derating guidance When it needs to run at very low speed with rated output, please consult the manufacturer or derating use the inverter by one grade. Note: The factors affecting the output capability of the inverter are not limited to the above factors, if any questions, please consult the manufacturer or supplier.
Page 21: Description Of Control Performance
We have made significant improvement about targeted processing to improve control performance and simplify user operations. When using SV800 series frequency inverter, variety of control modes can be chose that meet your requirements. Details are shown in Table 2-3.
Page 22 2 Product Introduction SV800/SV800A User Manual Sensorless With sensor V/F control Control mode vector control vector control Remarks (IM.VF) (IM.SVC) (IM.VC) The overload protection of Inverter overload Inverter overload frequency inverter is not Inverter overload Overload protection Motor overload Motor overload adjustable and the overload Motor overload Motor over-torque...
Page 23 SV800/SV800A User Manual 2 Production Introduction Sensorless With sensor V/F control Control mode vector control vector control Remarks (IM.VF) (IM.SVC) (IM.VC) <3% motor rated <3% motor rated When performing torque － Ute precision torque torque control, motor parameters self-learning is required at <0.5% rated <0.5% rated －...
Page 24 2 Product Introduction SV800/SV800A User Manual Sensorless With sensor V/F control Control mode vector control vector control Remarks (IM.VF) (IM.SVC) (IM.VC) It can be switched manually Speed gain with the terminals or － Support Support switching switched automatically by parameter setting. Realizing one frequency Multi-motor inverter automatic switches...
Page 25 SV800/SV800A User Manual 2 Production Introduction Sensorless With sensor V/F control Control mode vector control vector control Remarks (IM.VF) (IM.SVC) (IM.VC) Speed variable －－ Support Support structure control Speed dynamic －－ Support Support deviation control Under V/F control, only Four quadrant Support Support...
Page 26 2 Product Introduction SV800/SV800A User Manual Sensorless With sensor V/F control Control mode vector control vector control Remarks (IM.VF) (IM.SVC) (IM.VC) When the function is enabled, the acceleration/deceleration interval will be traversed Speed jump Support Support Support according to the Acc./Dec. time;...
Page 27: Mechanical Installation
SV800/SV800A User Manual 3 Mechanical Installation 3 Mechanical Installation 3.1 Mechanical Installation 3.1.1 Installation Environment Please install the inverter according to the below Table 3-1. Table 3-1 Installation Environment Item Requirements Installation place Indoor -10 to +40 ° C  Please use it in the place where the temperature does not change drastically.
Page 28: Installation Direction And Space
 Multi-inverter installation The SV800 series inverter dissipates heat from the bottom to the top. When multiple inverters work together, please install them side by side and the upper of the inverter should be aligned. Clearance should be reserved between each inverter as shown in Fig.3-2:...
Page 29 SV800/SV800A User Manual 3 Mechanical Installation Table 3-3 Installation clearance requirements for each power class of the SV800 Space requirement Power level (mm) A≥10 2.2KW~22KW A≥50 30~37KW A≥50 ≥45KW Fig. 3-2 Installation clearance of multiple inverters  Different rows installation If one row of inverters need to be installed above another row, please install insulation guide plate to prevent the heat from the lower row inverters which will cause the temperature of the upper row inverters to raise, even over-heat and overload fault occurs.
Page 30: Installation Direction
3 Mechanical Installation SV800/SV800A User Manual 3.2.2 Installation direction When installing the inverter, please install it in a vertical upward direction. Other directions such as lying down, lying on its side and upside down are forbidden. Fig.3-4 Installation Direction...
Page 31: Installation Guidance
SV800/SV800A User Manual 3 Mechanical Installation 3.3 Installation Guidance The SV800 series inverter supports wall-mounted installation. You can follow below installation instructions and in conjunction with specific model and application requirements of the installation occasion to install the inverter. ...
Page 32: Disassembly And Installation Of Keyboard
3 Mechanical Installation SV800/SV800A User Manual 3.4 Disassembly and installation of keyboard 3.4.1 Disassembly of the keyboard Please press the holders on both sides of the keyboard firmly according to the directions 1 and 2 in Fig.3-6 and lift the keyboard body in the direction 3. 3.4.2 Installation of the keyboard Install and press the keyboard in the direction 1 as shown in Fig.3-7 until you hear a "click".
Page 33: Disassembly And Installation Of Sv800 Cover
SV800/SV800A User Manual 3 Mechanical Installation 3.5 Disassembly and installation of SV800 cover 3.5.1 Disassembly and installation of SV800 cover (plastic housing) Step 1: Please refer to the disassembly and installation of the keyboard in 3.1.3and remove the keyboard firstly. Step 2: Press the hook in both sides of the lower front cover in the direction of 1 as shown in Fig.3-8 and lift it up in the direction 2 to remove the lower front cover.
Page 34: Disassembly And Installation Of Sv800 Cover (Sheet Metal Housing)
3 Mechanical Installation SV800/SV800A User Manual 3.5.2 Disassembly and installation of SV800 cover (sheet metal housing) 3.5.2.1 Cover disassembly Remove the two screws at the bottom of the cover firstly. Then tilt the cover 15 degrees and pull it out in the direction as shown in the figure. 3.5.2.2 Cover installation After the wiring of the main circuit terminal and the control circuit terminal is completed, insert the buckle of the cover plate into the slot of the housing and tighten the two screws at the...
Page 35: Sv800 Appearance And Installation Dimensions
SV800/SV800A User Manual 3 Mechanical Installation 3.6 SV800 appearance and installation dimensions Fig. a Fig. b...
Page 36 3 Mechanical Installation SV800/SV800A User Manual Fig. c Fig. d...
Page 37 SV800/SV800A User Manual 3 Mechanical Installation Fig. e Table 3-4 Inverter Appearance and installation dimension (unit: mm) Mounting Fig. No. Inverter Model hole diameterdd SV800A-0R752GB （ SV800A-1R52GB SV800A-2R22GB Fig. a SV800A-0R754G/1R54PB SV800A-1R54G/2R24PB SV800A-2R24G/4R04PB SV800-2R24GB SV800-4R04G/5R54PB SV800-5R54G/7R54PB Fig. b SV800-7R54G/114PB SV800-114G/154PB SV800-154G/18R54PB SV800-18R54G/224PB Fig.
Page 38 3 Mechanical Installation SV800/SV800A User Manual Mounting Inverter Model Fig. No. hole diameterdd SV800-374G/454P （ SV800-454G/554P SV800-554G/754P SV800-754G/904P SV800-904G/1104P SV800-1104G/1324P SV800-1324G/1604P SV800-1604G/1854P SV800-1854G/2004P 1040 1020 1070 SV800-2004G/2204P SV800-2204G/2504P SV800-2504G/2804P SV800-2804G/3154P 1315 1290 1350 Fig. d SV800-3154G/3554P SV800-3554G/4004P SV800-4004G/4504P SV800-4504G/5004P 1800 1855 Fig.
Page 39: Keyboard Appearance And Installation Dimensions
Figure 3-12 SV800 keyboard appearance and installation dimensions The keyboard of SV800 series inverters can be directly installed on the electric control cabinet. The installation opening size is shown in Fig.3-12, but you need to pay attention to the accuracy of the opening.
Page 40 3 Mechanical Installation SV800/SV800A User Manual 4* 5 External keyboard holder Standard keyboard holder Fig. 3-13 SV800 keyboard holder outlook and installation dimensions...
Page 41: Electrical Wiring And Precautions
SV800/SV800A User Manual 4 Electrical wiring and precautions 4 Electrical wiring and precautions 4.1 Main circuit electrical wiring External Braking Resistor Power Short Bar supply Circuit Cooling AC Output AC Input Inverter Contactor Breaker Reactor Reactor MCCB (L1 AC230V) Power Supply (L2 AC230V) 50/60Hz (L3 AC230V)
Page 42 4 Electrical wiring and precautions SV800/SV800A User Manual  SV800 three phase frequency inverter 2.2kW-22kW main circuit terminals: Fig. 4-4 SV800 (2.2KW-22KW) Inverter Main circuit terminals  SV800 three phase frequency inverter 30kW-75kW main circuit terminals: Fig. 4-5 SV800 (30KW-75KW) Inverter Main circuit terminals ...
Page 43 SV800/SV800A User Manual 4 Electrical wiring and precautions  SV800 three phase frequency inverter185kW-400kW main circuit terminals: Fig. 4-7 SV800 (185KW-400KW) Inverter Main circuit terminals  SV800 three phase frequency inverter450kW-630kW main circuit terminals: Fig.4-8 SV800 (450KW-630KW) Inverter Main circuit terminals...
Page 44: Main Circuit Wiring Precautions
4 Electrical wiring and precautions SV800/SV800A User Manual Table 4-1 Main circuit terminal function definition table Terminal Terminal name Terminal function definition symbol DC power output, - is negative DC bus terminal, +1 or DC power terminals + is positive DC bus terminal, they can be used for +1 or + external braking unit or common DC bus.
Page 45 SV800/SV800A User Manual 4 Electrical wiring and precautions  For inverters with power 22KW or less, the braking resistor connection terminals is valid as the inverter with built-in braking unit.  Please refer to the recommended value for braking resistor selection and the wiring distance should be less than 5m.
Page 46: Installation Size And Wire Selection Of Power Terminals
4 Electrical wiring and precautions SV800/SV800A User Manual 4.1.3 Installation size and wire selection of power terminals Table 4-2 Recommended cable diameter Power Rated current Recommended cable for main Torque N●m Inverter model (kW) circuit input and output /mm SV800A-0R752GB 0.75 4.04 0.75...
Page 47 SV800/SV800A User Manual 4 Electrical wiring and precautions Power Rated current Recommended cable for main Inverter model Torque N●m (kW) circuit input and output /mm 315/355 600/660 150× 2 SV800-3154G/3554P SV800-3554G/4004P 355/400 660/740 185× 2 400/450 740/820 240× 2 SV800-4004G/4504P 450/500 820/920 270×...
Page 48: Description Of Control Terminals
4 Electrical wiring and precautions SV800/SV800A User Manual 4.2 Description of control terminals Control circuit terminal layout is shown in Fig.4-9: S8025-S10-TB10 0-10V 0-± 10V 0-10V 4-20mA DI1 DI2 DI3 DI4 DI5 DI6 AI1 AI2 +24V +10V TA TB DO1 DO2 CM AO1 AO2 M1 M2 MG HDO HDI COM...
Page 49 SV800/SV800A User Manual 4 Electrical wiring and precautions Type Terminal symbol Terminal name Functional definition of the terminal Connect to +24V by factory default. When DI1-DI6 need to be driven by External power external signal, PW needs to be connected terminal to external power supply.
Page 50 4 Electrical wiring and precautions SV800/SV800A User Manual Type Terminal symbol Terminal name Functional definition of the terminal High speed pulse High-speed pulse output frequency range: HDO-COM output 0~100KHz NO terminal M1-MG (Normal open) Functions can be programmed by NO terminal M2-MG parameters.
Page 51 SV800/SV800A User Manual 4 Electrical wiring and precautions S8025-S10-M10 Fig. 4-10 control board terminals layout...
Page 52: Function Descriptions Of The Switching Terminals Connection
4 Electrical wiring and precautions SV800/SV800A User Manual 4.2.1 Function descriptions of the switching terminals connection Table 4-4 function descriptions of switching terminal connection Select Switching terminals Graphic symbol Function descriptions position (AO1) 0-10V 0-10V 0~10V 0-10V voltage output 0-20mA (AO1) 0-20mA 0~20mA...
Page 53 SV800/SV800A User Manual 4 Electrical wiring and precautions Select Switching terminals Graphic symbol Function descriptions position GND connect with PE and grounding well EMI GND GND network disconnected Dangling Dangling （ J2 ） from PE...
Page 54: Wiring Method Of Frequency Inverter Electric Control Circuit
4 Electrical wiring and precautions SV800/SV800A User Manual 4.2.2 Wiring method of frequency inverter electric control circuit Fan power supply DC Reactor Braking Circuit Note: Please remove the short resistor bar when install DC reactor. Contactor AC Input breaker Cooling AC Output Short Bar Reactor...
Page 55: Wiring Description Of Control Signal Terminals
SV800/SV800A User Manual 4 Electrical wiring and precautions 4.2.3 Wiring description of control signal terminals External 24V power Internal 24V supply +24V External 24V supply +24V +24V External control signal External control signal 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k 4.7k...
Page 56 4 Electrical wiring and precautions SV800/SV800A User Manual Note: The default setting is 24V open-collector input and no need external 24. HDI supports open-collector signals which larger than 18V (default). For pulse signals need to larger than 9V input and the maximum pulse that HDI can receive is 100KHz.
Page 57: Emc
SV800/SV800A User Manual 4 Electrical wiring and precautions 4.3 EMC 4.3.1 Definitions of related terms  EMC： EMC (Electromagnetic Compatibility) is the ability of electrical and electronic equipment to work properly in an electromagnetic interference environment, also the ability not to release electromagnetic interference to other devices or systems and make influence on the stabilize working of other equipment.
Page 58: Introduction Of Emc Standards
The SV800 series inverter satisfies the requirements of category C2 only with an EMC filter installed on the power input side.
Page 59: Installation Of External Dc Reactor
200 ～ 500 4.3.7 Installation of external DC reactor The SV800 series frequency inverter (Power ≤ 75KW) uses a separate wooden case package when the external DC reactor is shipped. When the user installing it, the short-circuit copper bar between the terminal + 2 and + 1 of the frequency inverter main circuit should be removed firstly.
Page 60 4 Electrical wiring and precautions SV800/SV800A User Manual In order to effectively suppress the emission and conduction of radio frequency interference, the shielding layer of the shielded wire is composed of a coaxial copper braid. To enhance the shielding efficiency and electrical conductivity, the shielding layer should has a braided density greater than 90%.
Page 61 SV800/SV800A User Manual 4 Electrical wiring and precautions Fig. 4-17 Cable wiring  Requirements for leakage current 1) Due to the output of the frequency inverter is high-speed pulse voltage, it will lead to high-frequency leakage current generates. In order to prevent electric shock and leakage fire, please install a leakage circuit breaker with the inverter.
Page 62 4 Electrical wiring and precautions SV800/SV800A User Manual Table 4-6 Common EMC interference problems and solutions Interference Type Solutions  Connect the motor housing to the PE terminal of the inverter.  Connect the PE terminal of the inverter to the PE of the Leakage protection switch trip power grid.
Page 63: Introduction Of Operation And Running
SV800/SV800A User Manual 5 Introduction of operation and running 5 Introduction of operation and running 5.1 Confirmation before running Before operation, the whole drive system needs to be checked, which mainly include the inspection of the wiring of the frequency inverter and the motor and the inspection of the inverter settings and debugging.
Page 64 5 Introduction of operation and running SV800/SV800A User Manual  Contents Remarks comply with electrical specifications or related regulations? Whether the setting method of the ground wire □ correct? Whether the screws of the inverter main circuit □ terminals and the ground terminal are fastened firmly? Whether overload protection of each motor is □...
Page 65: The Setting And Debugging Check Of The Frequency Inverter
SV800/SV800A User Manual 5 Introduction of operation and running 5.1.2 The setting and debugging check of the frequency inverter The set of parameters is mainly used to check the setting and debugging of the inverter before running. Then run the inverter after checking correctly. If any omissions, please follow the instructions to complete the preparation.
Page 66 5 Introduction of operation and running SV800/SV800A User Manual  Contents Remarks □ Whether the motor self-learning completed? Whether the settings of the protection parameters □ correct? Does the carrier frequency of the inverter need to be □ modify? Whether the motor need to run at a state with low speed and large torque? ...
Page 67: Instructions Of The Keyboard Using
SV800/SV800A User Manual 5 Introduction of operation and running 5.2 Instructions of the keyboard using The contents of this section mainly describe the operation of the keyboard. It can control the inverter START/STOP, display various data, check the value of monitoring parameters display, set and modify function code parameters, clear fault information and so on.
Page 68: Description Of Led Indicators
5 Introduction of operation and running SV800/SV800A User Manual FWD/REV Used to switch forward and reverse in keyboard control FWD/REV switchover mode Used in the keyboard operation mode for stop the Stop/Reset inverter; When in fault display state, it used for fault STOP/RST button reset...
Page 69 SV800/SV800A User Manual 5 Introduction of operation and running :V voltage unit :% percentage unit :kW power unit :Dimensionless unit :Time unit :Fault indicator ：:Keyboard operation command source indicator (Normal On) ：Terminal operation command source indicator (Normal Off) : Communication operation command source indicator (Flashing) :Running indicator : Pre-excitation or DC braking indicator : Multi-function indicator...
Page 70: Level Structure Of The Keyboard Display Functions
5 Introduction of operation and running SV800/SV800A User Manual 5.2.3 Level structure of the keyboard display functions Initial state display when power on(Level 0 menu display) MEUN MEUN STOP With password protection MEUN MEUN Without Running state display Password password (Level 0 menu dispaly) Verification protection...
Page 71: Examples Of The Keyboard Using
SV800/SV800A User Manual 5 Introduction of operation and running 5.2.4 Examples of the keyboard using The introduction of the keyboard basic using: Functional code parameter modification (modifying the set frequency from 0.40 Hz to 50.00 Hz): 1) Press the MENU key under the initial state (0-level menu) and it will display the current function group number A0;...
Page 72 5 Introduction of operation and running SV800/SV800A User Manual 5) Rotate the knob clockwise for 6 times to make the display become---6; 6) Press the ENTER key, it will save the modified parameter value and display the next function code A0-02; 7) Rotate the knob anticlockwise to reduce A0-02 to A0-01;...
Page 73 SV800/SV800A User Manual 5 Introduction of operation and running Parameter download: 1) Press the MENU key under the initial state (0-level menu) to display the current function group number A0; 2) Press the ENTER key to display the current function code A0-00; 3) Rotate the knob clockwise to increase A0-00 to A0-07;...
Page 74: Operation Of Monitoring Parameters
5 Introduction of operation and running SV800/SV800A User Manual 5.2.5 Operation of monitoring parameters 1) In the initial state (0 level menu), press the MENU button, it will display the current function group number A0; 2) Press SHIFT one times and shift the flasher to the bit of A; 3) Turn the knob clockwise and change A to U;...
Page 75: Connection Mode Of External Keyboard
SV800/SV800A User Manual 5 Introduction of operation and running 5.2.6 Connection mode of external keyboard The keyboard can be directly connected to the inverter through crystal head and can also be externally connected to the inverter with a standard 8-line network wire. RUN REV MD MENU/ESC ENTER...
Page 76: Induction Motors Parameters Self-Learning
5 Introduction of operation and running SV800/SV800A User Manual 5.3 Induction motors parameters self-learning The mathematical model of the motor needs to be built when the induction motor is under vector control mode. The relevant parameters of the motor in the mathematical model can be automatically obtained by motor parameters self-learning .Thus it must perform motor parameters self-learning or input the motor parameters manually when vector control mode selected in the frequency inverter.
Page 77 SV800/SV800A User Manual 5 Introduction of operation and running Start First using or after replaced motor Performed full mode self-learning? Motor wiring Load can be changes? removed? Pulleys and gears Perform DC mode can be removed? self-learning Performed full mode self-learning? Performed full mode self-learning?
Page 78 5 Introduction of operation and running SV800/SV800A User Manual The nonlinear parameters of the inverter may change when the inverter or the main control board replaced, self-learning needs to be performed as shown in Fig. 5-10. Start Replace inverter The control board works well before replaced? Record the parameters before replaced?
Page 79 SV800/SV800A User Manual 5 Introduction of operation and running Table 5-1 Summary Table for Self-Learning DC mode self-learning Full mode self-learning  Input the induction motor nameplate  Input the induction motor nameplate parameters correctly (b1-00 to b1-06, or b2-00 parameters correctly (b1-00 to b1-06, or b2-00 to b2-06) to b2-06)
Page 80: Preparation Before Induction Motor Self-Learning
5 Introduction of operation and running SV800/SV800A User Manual compensation function load in the motor control algorithm if the motor has temperature sensor built-in. The function can be selected by b-03. If motor without temperature sensor built-in, the motor control algorithm will compensate the motor parameters according to the motor temperature change, but the compensation accuracy is lower than the compensation with temperature sensor.
Page 81: Instructions Of Induction Motor Dc Self-Learning Mode
SV800/SV800A User Manual 5 Introduction of operation and running  Parameter Name Content or Set range Remarks Motor operating range and nameplate parameter confirmation (V/F control) □ E0-02 Maximum frequency The unit associated with the selection of A0-13 □ E0-03 Minimum frequency The unit associated with the selection of A0-13 □...
Page 82: Instructions Of Induction Motor Full-Mode Self-Learning
5 Introduction of operation and running SV800/SV800A User Manual The detected data in DC mode self-learning as shown in Table 5-4: Table 5-4 DC mode self-learning detected data Parameter name Content and monitoring authority Unit m Ω b1-08 Primary side resistance of first motor Depends on motor type Static time compensation constant Visible after authorized (usually no need to monitor)
Page 83 SV800/SV800A User Manual 5 Introduction of operation and running Table 5-5 Full-mode self-learning operation procedure Steps Operational content Remove the mechanical load from the motor and connect the motor wiring terminals to the output terminals U, V and W of the frequency inverter correctly. Wiring PG if required according to the control mode. Connect the inverter power terminals R, S, T to the three-phase power supply.
Page 84: Instructions Of The Second Induction Motor Self-Learning
SV800/SV800A User Manual 5.3.5 Instructions of the second induction motor self-learning SV800 series inverter can drive two motors with one inverter, it has two groups motor parameters. When use the second motor, please switch all cables (including 3PH UVW and PG signal cables) between the inverter and the motor by contactor or relay.
Page 85 SV800/SV800A User Manual 5 Introduction of operation and running  Parameter name Content and monitoring authority Remark Second motor cooling □ Self-cooling or forced cooling b2-06 method Second motor PG pulses □ b2-07 60 to 3600 (with speed sensor vector control mode only) number Motor nameplate parameter confirmation (V/F control) Second motor rated...
Page 86 5 Introduction of operation and running SV800/SV800A User Manual Steps Operational content control mode. Connect the inverter power terminal R, S and T to 3PH power supply, set the second motor nameplate, etc. Set parameter b0-02 (the motor self-learning mode) to 2 and select full-mode self-learning. The keyboard will display tUn2.
Page 87: Status Display And Fault Description Of Induction Motor Self-Learning
SV800/SV800A User Manual 5 Introduction of operation and running 5.3.6 Status display and fault description of induction motor self-learning A number of states in the self-learning process of the induction motor and the description as shown in following table: Table 5-11 Self-Learning Status Description LED Display LCD Display Meaning explanation...
Page 88 5 Introduction of operation and running SV800/SV800A User Manual When abnormality occurs in the self-learning process of the induction motor, the processing methods are shown in Tables 5-12: Table 5-12 Self-Learning Troubleshooting LED Display LCD Display Treatment method Status Status Indicates that parameter setting abnormal, generally caused by incorrect setting of motor nameplate parameter and motor running speed range parameter or the switching parameters setting of the first motor and second motor parameter.
Page 89: Inverter Model, Carrier Frequency And Control Mode Settings
Frequency inverter carrier frequency is the modulation carrier frequency of the PWM signal which is the core parameter of the inverter output voltage. The SV800 series inverter algorithm supports range from 1.0 kHz to 15.0 kHz of the carrier frequency. It has factory default carrier frequency for each inverter with different power.
Page 90: The Control Mode Setting And Modification
5 Introduction of operation and running SV800/SV800A User Manual update. Only DC mode self-learning needed. 5.4.3 The control mode setting and modification Inverter control mode selection changes with the inverter's control object (different motor types). Please select the corresponding control mode through A0-04 (control mode setting). At present, for induction motors, there are mainly speed sensorless vector control, speed sensor vector control and V/F control.
Page 91: Setting Of Motor Rotation Inertia
5 Introduction of operation and running 5.5.2 Setting of motor rotation inertia In the speed control of SV800 series products, a speed observer and a torque observer are added to the control algorithm. The speed control performance can be improved by setting the motor rotation inertia.
Page 92: The Setting Of Speed Observer And Torque Observer
5 Introduction of operation and running SV800/SV800A User Manual Fig. 5-11 Speed loop parameter debugging at constant speed When the working condition requires speed step response, if the speed response is slow, increase the speed control proportional gain to improve the speed response performance. If the motor controlled speed has a large overshoot, reduce the speed control proportional gain or enable the regenerative stall function.
Page 93: The Setting Of Speed Variable Structure Control Parameters
SV800/SV800A User Manual 5 Introduction of operation and running ordinary PI control. The intelligent observer in the speed control has strong robust performance. Generally, it does not need to be cancelled and it is only required to keep the factory default value. 5.6.5 The setting of speed variable structure control parameters By adjusting the values of d0-11 (variable structure control parameter automatic adjustment trigger threshold) and d0-12 (variable structure control parameter automatic adjustment...
Page 94: Function Parameters List
6 Function Parameters List SV800/SV800A User Manual 6 Function Parameters List 6.1 Reading method of function parameters list You can understand all the parameters of the inverter simply and comprehensively through the parameter list. The parameters are briefly introduced in the parameter list. For detailed information about the function parameters, please refer to “Chapter 7 Function Parameters Detailed Description”.
Page 95: The Type Of Parameters
6 Function Parameters List 6.2 The type of parameters The SV800 series universal frequency inverter divides the function parameter group according to the application attribute, that is, the first-level menu in the parameter list, such as “A group” and “b group”, etc. In the first level menu, the second-level menu is divided according to the attributes in the group, such as "A0 Group", "A1 Group", etc.
Page 96 6 Function Parameters List SV800/SV800A User Manual Parameter Name Remarks group Multifunction analog input parameters Multi-function analog output parameters Multi-function pulse input and output parameters Basic communication parameters Basic protection parameters Status monitor parameters Fault tracking parameters Fault record parameters Control monitor parameters Application monitor parameters Maintenance monitor parameters...
Page 97: Function Parameters List
SV800/SV800A User Manual 6 Function Parameters List 6.3 Function Parameters List A0: Basic parameter group Name Content Set value A0-00 Keyboard language selection Factory default: 0 (0000H) 0: Chinese <1> Range: 0~1 1: English (reserved) A0-01 Factory default: 0 (0001H) User password setting Range: 0~65535 0: Only for monitoring (A0-02 and monitoring group parameter...
Page 98 6 Function Parameters List SV800/SV800A User Manual A0: Basic parameter group Name Content Set value Bit00: The set speed/frequency command Bit01: Motor speed Bit02: Inverter output frequency Bit03: Inverter output current Bit04: Control mode Bit05: Inverter output voltage Factory default: A0-08 Bit06: DC bus voltage Display parameter 1 when...
Page 99 (0131H) selection <1>: Group A1 parameters is convenient for user to set SV800 series inverter parameters. When the application has been selected in A1-00, the A1-01-A1-49 can automatically map a variety of function parameters and arrange them according to the application. The function parameters not need to be set can keep it as factory default and the unmapped parameters can also be set in the general function code group.
Page 100 6 Function Parameters List SV800/SV800A User Manual b0: Induction motor basic parameters Name Content Set value IM.SVC IM.VC IM.VF b0-00 Factory default：0 Induction motor selection 0: The first motor (1000H) Range:0~1 1: The second motor selection IM.SVC IM.VC IM.VF For induction motors, set the parameter and motor nameplate parameters firstly.
Page 101 SV800/SV800A User Manual 6 Function Parameters List b1: First induction motor parameters Name Content Set value IM.SVC IM.VC IM.VF Factory default： First motor rated b1-05 Vector control: rated speed * Poles No./ 120 ~ 7.0 + rated speed 50.0Hz frequency ：Determined (1105H) * Pole No.
Page 102 6 Function Parameters List SV800/SV800A User Manual b2: Second induction motor parameters Name Content Set value IM.SVC IM.VC IM.VF Vector control: Three grades less power to the rated power of Determined with Second motor rated b2-00 the inverter. the model power (1200H) V/F control: 0 ~ rated power of frequency inverter...
Page 103 SV800/SV800A User Manual 6 Function Parameters List b2: Second induction motor parameters Name Content Set value Factory default： Determined with Second motor iron loss b2-14 IM.SVC IM.VC the model conductance (120EH) Range： 0.0mho~600.0mho Factory default： Determined with Second motor loss factor b2-15 IM.SVC IM.VC the model...
Page 104 6 Function Parameters List SV800/SV800A User Manual d0 :Speed control debugging parameters Name Content Set value The trigger threshold of d0-11 IM.SVC IM.VC SVC control mode variable structure control (300BH) factory default： parameters automatically 5.00% adjust Range： 0.01%~100.00% VC control mode factory default：...
Page 105 SV800/SV800A User Manual 6 Function Parameters List d1:Command input selection Name Content Set value Run command input d1-00 0: Keyboard control Factory default：0 selection (3100H) 1: Terminal control Range：0~2 2: Communication command control 0: Keyboard digital setting by E1-00 (keyboard potentiometer valid) 1: Keyboard digital setting by E1-00 (keyboard potentiometer invalid)
Page 106 6 Function Parameters List SV800/SV800A User Manual d1:Command input selection Name Content Set value Units digit: frequency source selection 0: Main frequency source 1: Calculation value of main and auxiliary source 2: Switch between main frequency and auxiliary frequency source 3: Switch between the main frequency source and the Factory default：...
Page 107 SV800/SV800A User Manual 6 Function Parameters List d2: Operating module control parameters Name Content Set value IM.SVC IM.VC 0: Speed Control Mode (ASR) 1: Torque command negative side priority mode Selection of Motor d2-00 2: Torque command positive side priority mode Factory default：0 Driving Mode (3200H)
Page 108 6 Function Parameters List SV800/SV800A User Manual d2: Operating module control parameters Name Content Set value 0：OFF Prohibit Reversal Mode d2-11 Factory default：0 1: Prohibit running at opposite direction of the starting Selection (320BH) Range：0~2 command 2: Prohibit reverse direction running It can prevent the motor from stopping stall due to overvoltage during deceleration and regeneration state.
Page 109 SV800/SV800A User Manual 6 Function Parameters List d2: Operating module control parameters Name Content Set value d2-26 Factory default：0 Timing function selection 0:Invalid (321AH) Range：0~1 1: Valid 0: Set by d2-28 d2-27 Timing Runtime 1: AI1 Factory default：0 (321BH) Selection 2: AI2 Range：0~3 3: Reserved...
Page 110 6 Function Parameters List SV800/SV800A User Manual d4: V/F control mode parameters Name Content Set value IM.VF d4-00 Factory default：0 VF torque boost mode 0: Manual boost (3400H) Range：0~1 1: Automatic boost Factory default： d4-01 IM.VF Determined with Torque boost (3401H) When Manual boost mode selected, the boost value should be the model...
Page 111 SV800/SV800A User Manual 6 Function Parameters List d4: V/F control mode parameters Name Content Set value Factory default： d4-12 0.00Hz VF curve frequency 1 IM.VF (340CH) Range： 0.00Hz~[d4-14] d4-13 Factory default： 0V VF curve voltage 2 IM.VF (340DH) Range：0V~460V Factory default： d4-14 0.00Hz VF curve frequency 2...
Page 112 6 Function Parameters List SV800/SV800A User Manual E1:Speed/ frequency instructions Name Content Set value Factory default： E1-00 speed for multi-speed command and the simple PLC 50.00Hz Speed/frequency 1 (4100H) command. Range： It’s digital frequency setting when frequency command input [-E0-02]~[E0-02] d1-01=0 or 1.
Page 113 SV800/SV800A User Manual 6 Function Parameters List E1:Speed/ frequency instructions Name Content Set value Factory default： E1-11 30.00Hz Speed/frequency 12 (410BH) speed for multi-speed command and the simple PLC Range： command [-E0-02]~[E0-02] Factory default： E1-12 40.00Hz Speed/frequency 13 (410CH) speed for multi-speed command and the simple PLC Range：[-E0-02] command ~[E0-02]...
Page 114 6 Function Parameters List SV800/SV800A User Manual E2:Acc./Dec. time selection Name Content Set value Factory default： Determined with E2-04 Acc. time 2 the model (4204H) The Acc. Time to accelerate from 0.00Hz to E0-02. Range： Acc. time of 2 speed in Multi-speed control. 0.0s~3600.0s Factory default：...
Page 115 SV800/SV800A User Manual 6 Function Parameters List E2:Acc./Dec. time selection Name Content Set value Factory default： E2-13 Determined with the Dec. time 6 (420DH) model Dec. time of 6 speed in Multi-speed control Range： 0.0s~3600.0s Factory default： E2-14 Determined with the Acc.
Page 116 6 Function Parameters List SV800/SV800A User Manual E2:Acc./Dec. time selection Name Content Set value Factory default： E2-22 Determined with the Acc. time 11 (4216H) model Acc. time of 11 speed in Multi-speed control Range： 0.0s~3600.0s Factory default： E2-23 Determined with the Dec.
Page 117 SV800/SV800A User Manual 6 Function Parameters List E2:Acc./Dec. time selection Name Content Set value Factory default： E2-31 Determined with the Dec. time 15 (421FH) model Dec. time of 15 speed in Multi-speed control Range： 0.0s~3600.0s Factory default： E2-32 Determined with the Acc.
Page 118 6 Function Parameters List SV800/SV800A User Manual E3:Jump Speed and UP/DOWN Name Content Set value E3-00 Jump speed 1 (4300H) E3-01 Jump speed 2 (4301H) Factory default： 0.00Hz Range： E3-02 Jump speed 3 0.00Hz~[E0-02] (4302H) E3-03 Jump speed 4 (4303H) Factory default：...
Page 119 SV800/SV800A User Manual 6 Function Parameters List E4: Simple PLC and multi-speed Name Content Set value 0: OFF Simple PLC operation E4-00 Factory default：0 1: Stop after single cycle mode (4400H) Range：0~3 2: Continuous cycle 3: Keep final value after single cycle E4-01 Simple PLC memory Factory default：0...
Page 120 6 Function Parameters List SV800/SV800A User Manual E4: Simple PLC and multi-speed Name Content Set value E4-15 Simple PLC Step 13 Factory default： 0.0 (440FH) Operation Time Range：0.0~3600.0 E4-16 Simple PLC Step 14 Factory default： 0.0 (4410H) Operation Time Range：0.0~3600.0 E4-17 Simple PLC Step 15 Factory default：...
Page 121 SV800/SV800A User Manual 6 Function Parameters List E4: Simple PLC and multi-speed Name Content Set value Units Digits: Simple PLC Acc./Dec. time selection of Step 13 0: Acc./Dec. time 1 1: Acc./Dec. time 2 2: Acc./Dec. time 3 Factory default： Simple PLC Acc./Dec.
Page 122 6 Function Parameters List SV800/SV800A User Manual F0: PID control parameters Name Content Set value Factory default： F0-07 2.00s Integration time Ti1 (5007H) Range： 0.01s~10.00s Factory default： F0-08 0.000s Differential time Td1 (5008H) Range： 0.000s~10.000s Factory default： F0-09 0.10% PID differential limit (5009H) Range：...
Page 123 SV800/SV800A User Manual 6 Function Parameters List F0: PID control parameters Name Content Set value Factory default： F0-19 PID initial value hold 0.00s (5013H) time Range： 0.00s~600.00s 0: Not switch PID parameter switching F0-20 Factory default：0 1: Switch by DI terminal condition (5014H) Range：0~3...
Page 124 6 Function Parameters List SV800/SV800A User Manual F0: PID control parameters Name Content Set value Factory default： F0-30 0.00Hz PID low limit frequency (501EH) Range： E0-03~F0-29 F1: Constant pressure water supply Name Content Set value Constant pressure water F1-00 0: Invalid Factory default：0 supply mode selection (5100H)
Page 125 SV800/SV800A User Manual 6 Function Parameters List F1: Constant pressure water supply Name Content Set value Factory default： Judgment frequency F1-09 10.00Hz when decreasing pump (5109H) Range： E0-03~F1-08 Factory default： F1-10 10.0s Add pump delay time (510AH) Range： 0.0s~999.9.0s F1-11 Factory default：...
Page 126 6 Function Parameters List SV800/SV800A User Manual F3:Lift and hoist equipment parameters Name Content Set value Lift and hoist equipment F3-00 Factory default：0 0: Invalid function Enable (5300H) Range：0~1 1: Valid F3-01 Factory default： Release brake torque (5301H) 100% threshold Range：0%~300% Factory default：...
Page 127 SV800/SV800A User Manual 6 Function Parameters List H0: Multi-function input terminals Name Content Set value Select the function of terminals DI1~DI6 0: No function H0-00 Multi-function input Factory default：3 1: Forward Jog running (7000H) terminal DI1 Range：0~53 2: Reverse Jog running 3: Forward running 4: Reverse running 5: Three-wire operation control...
Page 128 6 Function Parameters List SV800/SV800A User Manual H0: Multi-function input terminals Name Content Set value 38: Suspend PID operation 39: Reverse PID direction 40: Suspend PID integration 41: PID parameter switching 42: Simple PLC status reset H0-05 43: Suspend Simple PLC operation Multi-function input Factory default：0 (7005H)
Page 129 SV800/SV800A User Manual 6 Function Parameters List H1: Multi-function output terminals Name Content Set value Select the function of terminals DO1~DO2, relays M1, M2 and TA-TB-TC 0: No function 1: End of Simple PLC multi-step operation 2: Detection speed 1 (detection speed =speed in H1-07, absolute Multi-function output H1-00 Factory default：0...
Page 130 6 Function Parameters List SV800/SV800A User Manual H1: Multi-function output terminals Name Content Set value Factory default： Multi-function Relay H1-05 0.0s output M1 Delay Time (7105H) Range： 0.0s~3600.0s Factory default： Multi-function Relay H1-06 0.0s output M2 Delay Time (7106H) Range： 0.0s~3600.0s Factory default：...
Page 131 SV800/SV800A User Manual 6 Function Parameters List H2: Multi-function Analog input AI Name Content Set value Analog input AI1 range H2-00 0:0 ~ 10V Factory default：0 selection (7200H) 1: Reserved Range：0~2 2: 4 ~ 20mA Factory default： H2-01 100.0% AI1 gain setting (7201H) -300.0 ~ 300.0%(100% relating to10V of AI1) Range：...
Page 132 6 Function Parameters List SV800/SV800A User Manual H3: Multi-function analog output AO Name Content Set value 0: No function 1: The set speed command 2: Motor speed 3: Inverter output frequency 4: Inverter output current Multi-function AO1 H3-00 5: Inverter output voltage Factory default：3 function selection (7300H)
Page 133 SV800/SV800A User Manual 6 Function Parameters List H4: Multi-function pulse input and output Name Content Set value Factory default： H4-00 Pulse input HDI range 20.00 kHz (7400H) setting 0.10～100.00kHz Range：0.10 kHz~ 100.00 kHz Factory default： H4-01 100.00% HDI gain setting (7401H) Range：...
Page 134 6 Function Parameters List SV800/SV800A User Manual L0: Basic communication parameters Name Content Set value 0：4800bps 1：9600bps L0-00 Factory default：2 Baud rate 2：19200bps (9000H) Range：0~5 3：38400bps 4：57600bps 5：115200bps L0-01 0: No parity (8-N-1) Factory default：0 Data Format (9001H) 1: Even parity (8-E-1) Range：0~2 2: Odd parity (8-O-1) L0-02...
Page 135 SV800/SV800A User Manual 6 Function Parameters List P0: Basic protection parameters Name Content Set value Factory default： P0-00 Braking voltage level 680.0V (C000H) 220V：320.0V～360.0V of braking unit<1> Range： 380V：640.0V～720.0V 320.0V~720.0V Factory default： Positive side over-speed P0-01 The base value relating to [E-00]. 120% setting (C001H)
Page 136 6 Function Parameters List SV800/SV800A User Manual P0: Basic protection parameters Name Content Set value P0-13 Factory default：0 Fault self-recovery times (C00DH) 0~20(0 means no automatic reset fault) Range：0~20 P0-14 Factory default： Fault self-recovery (C00EH) 10.0s interval 1.0s~100.0s Range： 1.0s~100.0s Relay action selection P0-15 Factory default：0...
Page 137 SV800/SV800A User Manual 6 Function Parameters List U0: Status monitoring Name Unit U0-00 The set speed (F000H) U0-01 Motor speed r/min (F001H) U0-02 Inverter output frequency (F002H) U0-03 Inverter output current <5> (F003H) U0-04 — Current control mode (F004H) U0-05 Inverter output voltage (F005H) U0-06...
Page 138 6 Function Parameters List SV800/SV800A User Manual U0: Status monitoring Name Unit U0-21 Related input voltage of AI3 (before corrected) (F015H) U0-22 Inverter cumulative power-on time Hour (F016H) U0-23 — Main program version (F017H) U0-24 — Special inverter program version (F018H) U0-25 —...
Page 139 SV800/SV800A User Manual 6 Function Parameters List U1: Fault tracking Name Unit U1-00 — The last fault (F100H) U1-01 — The last 1 fault (F101H) U1-02 r/min The set speed/frequency when fault occurs (F102H) U1-03 r/min The speed/frequency command when fault occurs (F103H) U1-04 Output current when fault occurs...
Page 140 6 Function Parameters List SV800/SV800A User Manual U1: Fault tracking Name Unit Input terminal status at the last 1 fault: U1-24 — bit0 ~bit11 relating to DI1~DI12 (F118H) Output terminal status at the last 1 fault: U1-25 — bit0~bit2 relating to DO1~DO3 and bit3~bit4 relating to M1 to M2 (F119H) U1-26 —...
Page 141 SV800/SV800A User Manual 6 Function Parameters List U2: Fault Record Name Unit The 1 fault content U2-00 — (F200H) The 2 fault content U2-01 — (F201H) The 3 fault content U2-02 — (F202H) The 4 fault content U2-03 — (F203H) The 5 fault content U2-04...
Page 142 6 Function Parameters List SV800/SV800A User Manual U3: Controlling monitoring Name Unit U3-00 Cumulative overload percentage 0.01% (F300H) U3-01 Speed control dynamic accuracy 0.01%ms (F301H) U3-02 — U phase DC bias (F302H) U3-03 — V-phase DC bias (F303H) U3-04 — W phase DC bias (F304H) U3-05...
Page 143: Detailed Function Description
SV800/SV800A User Manual 7 Detailed function description 7 Detailed function description 7.1 System parameters A group The initial setting of the inverter is performed through the basic parameters of group A0. It includes interface, password, access level, initialization, upload and download, monitor display, multi-function key, motor control mode, carrier frequency, etc.
Page 144 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Control mode setting 0～2 A0-04 The parameter determines the control mode of the selected motor and the details refer to the "5.5.1 Change of Control Mode". For vector control mode, the motor parameters self-learning must be performed (full-mode self-learning and DC mode self-learning) .
Page 145 SV800/SV800A User Manual 7 Detailed function description demand is required, generally not recommended. Name Set range Factory default Carrier frequency setting 1.0KHz～15.0KHz Depends on the model A0-05 Frequency inverter motor control algorithm can support 1.0KHz to 15.0KHz carrier frequency range.. For details of carrier frequency setting, please refer to "5.5.2 carrier frequency setting and modification".
Page 146 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Display parameter 1 when running 0x0000～0xFFFF 0x016F A0-08 Display parameter 2 when running A0-09 0x0000～0xFFFF 0x0000 bit8 bit7 bit14 bit13 bit12 bit11 bit10 bit9 bit6 bit5 bit4 bit3 bit2 bit0 bit1...
Page 147 Varies by application Varies by application A1-01～A1－49 Group A1 parameters is convenient for user to set SV800 series inverter parameters. When the application has been selected in A1-00, the A1-01-A1-49 can automatically map a variety of function parameters and arrange them according to the application. The function parameters not need to be set can keep it as factory default and the unmapped parameters can also be set in the general function code group.
Page 148 7 Detailed function description SV800/SV800A User Manual 2: Air supply / exhaust fan The user sets the purpose for the air supply/exhaust fan. For details, refer to Appendix D for the manufacturer-mapped function parameters. 3: Constant pressure water supply (one inverter one pump, one inverter two pumps) The user set the use for constant pressure water supply.
Page 149: B:induction Motor Parameters
SV800/SV800A User Manual 7 Detailed function description 7.2 b:Induction motor parameters Induction motor parameters mainly include basic parameter settings, nameplate parameter settings, electrical parameter settings and observations. In V/F control, one inverter can drive multiple motors. At this time, the nameplate parameters should be set to the sum of the parameters of the driven motors and a 10% margin is reserved.
Page 150 7 Detailed function description SV800/SV800A User Manual Note: Under vector control , if it cannot perform full-mode self-learning due to the restriction on the transmission working condition, please enter motor electric constant according to the motor design sheet or experience. Then perform DC mode self-learning again. For more details, please refer to "5.3 Induction Motor Self-learning".
Page 151: B1: The First Induction Motor Parameters Group
SV800/SV800A User Manual 7 Detailed function description please select single polar type of the analog input interface. Name Set range Factory default Motor temperature detection input selection 0～3 b0-05 0: Without input 1: AI1 2: AI2 3: AI3 (reserved) When using the analog input interface as the motor temperature detection input, the analog input is not affected by the range, gain, and offset settings in the H2 group of parameters.
Page 152 7 Detailed function description SV800/SV800A User Manual nameplate parameters are used during running and self-learning of the motor parameters, so they must be set before self-tuning. When the motor terminal has multiple wiring combinations, be sure to determine the motor rating under the current wiring mode. When setting the rated motor speed, it is combined with E0-00 (rotation speed / frequency upper limit).
Page 153 SV800/SV800A User Manual 7 Detailed function description sheet, sometimes the desired characteristics cannot be obtained. , So you should do everything possible to perform a full-mode self-learning, and only need one full-mode self-learning. For details of motor parameter self-learning, refer to "5.3 Induction Motor Self-learning". During vector control, if this set of parameters is all zero (no full-mode self-learning or correct electrical parameters have not been entered after performing DC-mode self-learning), a SEtE (operation preparation not completed) warning is displayed when the run command RUN key is...
Page 154: B2:The Second Induction Motor Parameters Group
7 Detailed function description SV800/SV800A User Manual 7.2.3 b2:The second induction motor parameters group Under vector control, the second induction motor nameplate parameters , setting range and factory default are as follows: Name Set range Factory default Three grades less power Determined with model Second motor rated power b2-00...
Page 155: D: Debugging And Controlling Parameters
SV800/SV800A User Manual 7 Detailed function description Second motor inductance saturation compensation Determined with the Change with the model b2-12 coefficient 1 model (0.0%) Second motor inductance saturation compensation Determined with the Change with the model b2-13 coefficient 2 model (0.0%) Change with the model Second motor iron loss conductance...
Page 156: D1: Command Input Selection
7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Torque observer selection d0-09 0～1 Speed observer selection d0-10 0～1 The speed observer and the torque observer in the speed control can be separately selected. If all canceled, the speed loop regulator is equivalent to the ordinary PI regulator. Refer to "5.6.4 Speed Observer and Torque Observer Settings"...
Page 157 SV800/SV800A User Manual 7 Detailed function description Name Set range Factory default Main speed/frequency command input selection 0～10 d1-01 0: Keyboard digital setting by E1-00 (Keyboard potentiometer valid) The set speed/ frequency initial value is determined by the value of E1-00 and can be modified by operating the potentiometer on the keyboard and setting of function code E1-00.
Page 158 7 Detailed function description SV800/SV800A User Manual 9: Communications setting The speed/ frequency command is set by the upper device communication control. For more details, please refer to the Appendix communication section. 10: SPI communication setting The speed/ frequency command is set by the SPI communication control which just suitable for special inverter.
Page 159 SV800/SV800A User Manual 7 Detailed function description 0: Relative to E0-02 Relating to E0-02 (Max. control speed/frequency). 1: Relative to the main setting frequency Relating to the source selected in d1-01 (selected speed/frequency source). Name Set range Factory default d1-05 Auxiliary velocity / frequency superposition selection 0x00～0x34 0x00...
Page 160 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Jog command input 0～2 d1-06 0: Keyboard control Press the "MULT/JOG" key on the keyboard to JOG RUN; The "MULT" key definition is set in A0-11. 1: Terminal Control Multi-function terminals “FWD JOG RUN”...
Page 161 SV800/SV800A User Manual 7 Detailed function description HDI high speed pulse provides the torque compensation. Pulse signal specification: 0KHz~100KHz, it can only be connected to high-speed pulse terminal HDI. 5: Communication setting Modbus communication controls the torque compensation. For details, please refer to the Appendix Communication section.
Page 162: D2: Operating Module Control Parameters
7 Detailed function description SV800/SV800A User Manual 7.3.3 d2: Operating module control parameters Speed control related function module parameters group. Name Set range Factory default Selection of Motor Driving Mode 0～4 d2-00 Under vector control, different control mode can be selected, speed control or torque control. The schematic diagram of the motor drive mode is shown in Fig.7-2: d2-00 Speed control module...
Page 163 SV800/SV800A User Manual 7 Detailed function description Name Set range Factory default Torque Limit Value of Forward motoring 0%～300% 180% d2-01 Torque Limit Value of Forward regenerating d2-02 -300%～0% -180% Torque Limit Value of Reverse motoring d2-03 -300%～0% -180% Torque Limit Value of Forward regenerating 0%～300% 180% d2-04...
Page 164 7 Detailed function description SV800/SV800A User Manual function can not reduce the motor shaft output power required to drive the load as the motor shaft output power is determined by the external load. 0：OFF 1：ON Name Set range Factory default Stop mode selection d2-06 0～2...
Page 165 SV800/SV800A User Manual 7 Detailed function description Name Set range Factory default Low limit speed / frequency operation mode 0～2 d2-10 0:Run at the low limit speed/frequency Keeps running at the low limit speed/frequency when the set frequency is lower than the low limit..
Page 166 7 Detailed function description SV800/SV800A User Manual Command d2-06=0 Speed curve P0-00+10V DC Bus voltage wave Speed command curve Fig.7-5 Anti-Regeneration stall Function Note: In IM.SVC mode , the function is effective by default in 10S when start. Name Set range Factory default Pre-excitation mode selection d2-14...
Page 167 SV800/SV800A User Manual 7 Detailed function description Name Set range Factory default Droop control selection d2-18 0～1 Droop start speed/frequency d2-19 0.0%～100.0% 0.0% Droop rate switching speed/ frequency d2-20 0.0%～100.0% 0.0% Droop rate d2-21 0.0%～50.0% 0.0% Droop start torque d2-22 0.0%～90.0% 0.0% Various settings of droop control (no motor switching) may be used to balance multiply motor...
Page 168 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Compensation function for mechanical loss d2-23 0～1 Mechanical loss offset d2-24 0.0%～100.0% 0.0% Mechanical loss slope d2-25 0.000%～32.767% 0.000% The mechanical loss compensation just used for the torque compensation of motor over-torque protection and droop control.
Page 169 SV800/SV800A User Manual 7 Detailed function description The time determined by AI. Voltage signal 0~10V, -10V~+10Vor current signal 0~20mA or 4~20mA can be selected. The Max. range corresponds to the set time in d2-28. 3: Reserved Name Set range Factory default Timing of Runtime 0.0～6500.0min 0.0min...
Page 170: D3:Torque Control Module Parameters
7 Detailed function description SV800/SV800A User Manual 7.3.4 d3:Torque control module parameters Torque control related function module parameters group. Name Set range Factory default Torque command mode selection 0～1 d3-00 Used for determining the torque command characteristic in constant power interval or weak magnetic field of the motor.
Page 171 SV800/SV800A User Manual 7 Detailed function description When manual boost mode selected, the value in d4-01 is the percentage of the motor rated voltage. When the start-up torque is insufficient, please increase the value to increase the start-up current, so as to increase the start-up torque. As shown in Fig.7-10: d4-00=1 d4-00=0...
Page 172 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Torque limit at motoring side d4-06 0%～200% 150% Torque limit at regenerating side d4-07 0%～200% 150% The motoring side torque limit selection d4-08 0～1 The regenerating side torque limit selection d4-09 0～1 0:Invalid...
Page 173: E: Acc./Dec. Curve Setting Parameters
SV800/SV800A User Manual 7 Detailed function description d4-10=0 d4-10=6 d4-10=5 Straight line Polyline 2.0 power line b1-01 b1-01 b1-01 d4-11 d4-01 d4-01 d4-01 d4-12 b1-05 b1-05 b1-05 Fig. 7-11 VF curve 7.4 E: Acc./Dec. curve setting parameters 7.4.1 E0:The upper and low limit speed/ frequency The setting of upper and low limit speed/frequency for speed control.
Page 174 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Acc./Dec. time selection during operation 0～3 E2-00 Acc./Dec. time selection for JOG operation E2-01 0～3 0: Acc./Dec. time 1 Set by E2-02 and E2-03. Acc./Dec. time Set by E2-04 and E2-05. Acc./Dec.
Page 175 SV800/SV800A User Manual 7 Detailed function description Acc./Dec. curve and S curve Acc./Dec. are shown in Fig. 7-12: S curve Acc. arrival time S curve Dec. start time S curve Acc. S curve Dec. start time arrival time Acceleration Deceleration time time Fig.
Page 176: E3: Jump Speed And Up/Down
7 Detailed function description SV800/SV800A User Manual 7.4.4 E3: Jump Speed and UP/DOWN Mainly auxiliary parameters of Acc. and Dec. curve, such as jump speed, UP/DOWN function, speed deviation limitation function and so on. Name Set range Factory default Jump speed 1 E3-00 Jump speed 2 E3-01...
Page 177 SV800/SV800A User Manual 7 Detailed function description 0: Normal mode Restart from the current given frequency which between the upper or low limit. If it exceeds the range, running at the limit frequency. 1: Save when Stop Save the speed/frequency when the inverter stops. Restart from the saved speed/frequency. 2: Save when Power off Save the speed/frequency when under-voltage fault occurs.
Page 178 7 Detailed function description SV800/SV800A User Manual 500ms width pulse PLC cycle arrival Run command Fig. 7-14 Simple PLC stop after single cycle 2: Continuous cycle Repeat the cycle until Stop command entered. 500ms width pulse PLC cycle arrival Run command Fig.7-15 Simple PLC continuous cycle 3: Keep final value after single cycle The inverter keeps running at the final speed after the single cycle completed until Stop...
Page 179 SV800/SV800A User Manual 7 Detailed function description 500ms width pulse PLC cycle arrival Run command Fig. 7-16 Simple PLC keep final value after single cycle t0 to t15: Operation time for each step. a0 to a15: Acc. time for each step. d0 to d15: Dec.
Page 180 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default E4-03~ Simple PLC Operation Time for each step 0.0～3600.0 E4-18 Name Set range Factory default E4-19~ Simple PLC Acc./Dec. Time for each step 0x0000～0x3333 0x0000 E4-22 Units Digits: Simple PLC Acc./Dec. time selection of Step 1 0: Acc./Dec.
Page 181: F:application Function Parameters Group
SV800/SV800A User Manual 7 Detailed function description 7.5 F:Application function parameters group 7.5.1 F0: PID control parameters Name Set range Factory default Closed-loop operation control selection F0-00 0～1 0: Invalid 1: Universal PID control valid Name Set range Factory default PID given Channel selection F0-01 0～6...
Page 182 7 Detailed function description SV800/SV800A User Manual 3: AI1+AI2 4: AI1-AI2 5: Max.(|AI1|, |AI2|) 6:Min(|AI1|, |AI2|) 7: Pulse setting HDI 0KHz~100KHz high pulse available, the signal can only be connected to HDI terminal. Name Set range Factory default Closed-loop regulation characteristic F0-04 0～1 0: Positive...
Page 183 SV800/SV800A User Manual 7 Detailed function description Name Set range Factory default PID reverse cutoff frequency F0-11 0.00Hz～E0-02 0.00Hz PID given filter time F0-12 0.00～600.00s 0.00s It’s the time for PID target value changes from 0.0% to 100.0%. Proper time can reduce the adverse effect on the system when a given amount of mutation occurs.
Page 184 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default PID parameter switching condition F0-20 0～3 PID parameter switching deviation 1 F0-21 0.00%～F0-22 20.00% PID parameter switching deviation 2 F0-22 F0-21～100.00% 80.00% 0: Not switch Select the first group PID parameters,Kp1,Ti1 and Td1. 1: Switch by DI terminal Switching by DI terminal when the multi-function terminal with “PID parameters switching”...
Page 185 SV800/SV800A User Manual 7 Detailed function description differential control. Tens digits: Stop the integration when the output reaches the limit 0: Continue 1: Stop Stop the integral control when the PID output reaches the Max. and Min. value. It may help to reduce the overshoot of PID.
Page 186: F1: Constant Pressure Water Supply
7 Detailed function description SV800/SV800A User Manual 7.5.2 F1: Constant pressure water supply This set of parameters is special for constant pressure water supply or similar system and is applied in combination with F0 group parameters. Name Set range Factory default Constant pressure water supply mode F1-00 0～2...
Page 187 SV800/SV800A User Manual 7 Detailed function description less than the target pressure, after delay time set in F1-10, it will add pump. When the inverter output drops to F1-09 within the deviation range and the feedback pressure is greater than the target, after the delay time set in F1-11, it will decrease pump.
Page 188: F2:Paper Towel Equipment Parameters
7 Detailed function description SV800/SV800A User Manual 7.5.3 F2:Paper towel equipment parameters Name Set range Factory default Enable Non-standard 0～1 F2-00 Filter coefficient F2-01 0.300～2.000 0.300 7.5.4 F3:Lift and hoist equipment parameters Name Set range Factory default Lift and hoist equipment function Enable F3-00 0～1 0: Invalid...
Page 189: H:terminals Function Parameters
SV800/SV800A User Manual 7 Detailed function description 7.6 H:Terminals function parameters Inverter input and output terminals function setting. 7.6.1 H0: Multi-function input terminals Name Set range Factory default H0-00 Multi-function input terminal DI1 0～53 Multi-function input terminal DI2 0～53 H0-01 Multi-function input terminal DI3 0～53 H0-02...
Page 190 7 Detailed function description SV800/SV800A User Manual SV800 Run command DI1 Forward Run Forward Run DI2 Reverse Run Reverse Run Stop Stop Fig.7-20 Terminal Two-wire control mode 1 Two-wire control mode 2 (H0-15=1): SV800 Run command DI1 Running Enable Forward Run DI2 Forward/Reverse Reverse Run Direction...
Page 191 SV800/SV800A User Manual 7 Detailed function description Three-wire control mode 2 (H0-15=3): SV800 Run command DI1 Run command Forward Run DI2 Run direction Reverse Run DI3 Running Enable Stop Stop Fig. 7-23 Terminal three-wire control mode 2 6: Forward and reverse switching The running direction switched by DI.
Page 192 7 Detailed function description SV800/SV800A User Manual Multi-speed Multi-speed Multi-speed Multi-speed Selected Speed command 1 command 2 command 3 command 4 E1-08 E1-09 E1-10 E1-11 E1-12 E1-13 E1-14 E1-15 15: Acc./Dec. time Select 1 16: Acc./Dec. time select 2 Total 4 Acc./Dec. time can be selected by DI with Acc./Dec. time select 1~2 function. For details, please refer to Table 7-2.
Page 193 SV800/SV800A User Manual 7 Detailed function description Output speed Set speed Time Speed keeping signal Fig. 7 - 24 Speed keeping by DI 20: Fault reset 21: External fault input (Normal open) 22: External fault input (Normal closed) The inverter gives “External fault ” when the terminal with function 21 and 22 valid, it locks the output immediately.
Page 194 7 Detailed function description SV800/SV800A User Manual For details, please refer to the "7.2.3 Second Induction Motor Parameter b2 Group". Note: The connection of inverter UVW and the motor and the feedback signal (VC control mode) also need to be switched correctly when switching motor parameters. 32: Reserved 33: Reserved Triggered into the next step in Simple PLC...
Page 195 SV800/SV800A User Manual 7 Detailed function description Table 7-4 PID regulation positive and negative characteristics PID regulation F0-04 DI with Reverse direction Positive Negative Positive Negative 40: Suspend PID integration PID integration can be suspended by the DI with the function. For details, please refer to F0-25. 41: PID parameters switching PID parameters switched by the DI with the function.
Page 196: H1: Multi-Function Output Terminals
7 Detailed function description SV800/SV800A User Manual The status of DI is valid when DI not connect to COM. Bit0-bit 5 relating to DI~DI6. Name Set range Factory default Multi-function input terminals filtering time 1 H0-13 0.000s～1.000s 0.010s Multi-function input terminals filter time 2 H0-14 0.000s～1.000s 0.010s...
Page 197 SV800/SV800A User Manual 7 Detailed function description 7: Speed detection 2 (Detection speed ≤speed in H1-08) ≤ When the output speed the speed set in H1-07, it outputs ON signal. 8: Speed arrives When the output speed reaches the set speed within the amplitude set in H1-09, it outputs ON signal.
Page 198 7 Detailed function description SV800/SV800A User Manual 16: Inverter running (Not include DC braking) During running status, it outputs ON signal. Become OFF when stopped. 17: In failure During failure status, it outputs ON signal. 18: Speed limiting ≥ the speed set in ≤...
Page 199 SV800/SV800A User Manual 7 Detailed function description During water shortage alarm, it outputs ON signal. It becomes OFF after the fault recovery. 38-39: Reserved 40: Brake control output When the brake control signal is valid, it outputs ON signal. Name Set range Factory default Multi-function relay output M1 delay time...
Page 200: H2: Multi-Function Analog Input Ai
7 Detailed function description SV800/SV800A User Manual the detected torque reaches the set value. Name Set range Factory default Overload pre-alarm setting 0%～100% H1-12 It used with multi-function DO “Overload pre-alarm setting” together. H1-12 is a percentage value of the motor rated current. Name Set range Factory default...
Page 201 SV800/SV800A User Manual 7 Detailed function description Name Set range Factory default AI2 range selection 0～1 H2-03 0:0~10V The negative input signal is limited to 0V. 1:-10V~10V The gain and bias set in H2-04 and H2-05. Name Set range Factory default AI2 gain setting -300.0%～300.0% 100.0%...
Page 202: H3: Multi-Function Analog Output Ao
7 Detailed function description SV800/SV800A User Manual 7.6.4 H3: Multi-function analog output AO Name Set range Factory default Multi-function AO1 function selection 0～12 H3-00 Please refer to information in Table 7 -5 for specific settings. Name Set range Factory default Multi-function AO1 range selection 0～2 H3-01...
Page 203: H4: Multi-Function Pulse Input And Output
SV800/SV800A User Manual 7 Detailed function description For the setting method, please refer to the information in H3-02 and H3-03. Name Set range Factory default AO2 filter time H3-09 0.00s～10.00s 0.10s Table 7-5 Analog output function Set value Function Range No function The set speed command 0~ Upper limit speed/frequency...
Page 204 7 Detailed function description SV800/SV800A User Manual Name Set range Factory default Multi-function Pulse output HDO function 0～9 H4-05 Please refer to Table 7-6 for specific Settings. Name Set range Factory default HDO output range setting 0.10KHz～100.00KHz 20.00KHz H4-06 Used to set the Max. pulse frequency of the highs peed pulse output terminal. Table 7-6 Pulse output function Set value Function...
Page 205: L:communication Parameters
SV800/SV800A User Manual 7 Detailed function description 7.7 L:Communication parameters Modbus communication parameters set in L group. 7.7.1 L0:Basic communication parameters Name Set range Factory default Baud rate selection L0-00 0～5 0：4800bps 1：9600bps 2：19200bps 3：38400bps 4：57600bps 5：115200bps Name Set range Factory default Data format 0～2...
Page 206: P:protection Parameters
7 Detailed function description SV800/SV800A User Manual 7.8 P:Protection parameters 7.8.1 P0:Basic protection parameters Main protection parameters for the inverter and the motor. Name Set range Factory default Braking voltage level of braking unit 380V：640.0～720.0V 680.0V P0-00 Energy consumption brake trigger voltage level: 380 V grade type:680.0V, 220V grade type:340.0V.
Page 207 SV800/SV800A User Manual 7 Detailed function description 2700 tol(s) = )*100 - 105 b1-02*P0-03 Fig. 7-31 Motor overload protection Please also attention to the normal motor with self-cooling mode. When the motor runs at low speed, the cooling effect will decrease and may cause motor over-heat. Name Set range Factory default...
Page 208 7 Detailed function description SV800/SV800A User Manual 60*[(P0-05)-(P0-06)] (s) = -(P0-06)] P0-06 P0-05 Fig. 7-32 Motor Over-Torque Protection The over torque protection count value of the motor can be monitored by U3-00 (overload cumulative percentage) which is the Max. value of the motor overload or over-torque. The overload or over-torque counter counts simultaneously with time under overload condition, when it reaches 100.00%, the inverter enters overload or over-torque protection.
Page 209 SV800/SV800A User Manual 7 Detailed function description When fault occurs, inverter will reset fault automatically after delay time set in P0-14 until the self-recovery times exceeds the value in P0-13. The function is invalid when it’s 0. Note: Inverter overheat, motor overheat, IGBT protection, motor self-learning fault cannot be self-recovery. Name Set range Factory default...
Page 210: Fault And Maintenance
8 Fault and maintenance SV800/SV800A User Manual 8 Fault and maintenance 8.1 Faults and warning list When fault occurs, the keyboard displays the fault code, the ALM indicator lights, the inverter stops outputting, and the fault relay operates. The fault code list is shown in Table 8-1: Table 8-1 Fault codes list LED keyboard LCD keyboard...
Page 211 SV800/SV800A User Manual 8 Fault and maintenance Motor overload Over-speed fault Over torque fault DC bus overvoltage Input loss phase Power on time arrives Bypass relay (contactor) failure Running time arrives Motor switching during operation fault Speed control error Speed tracking failure 5EtE Parameter setting error SEtE...
Page 212: Faults And Solutions
8 Fault and maintenance SV800/SV800A User Manual LED keyboard LCD keyboard display Warning Pages display abnormal Class 1 parameter calculation CErr1 CErr1 abnormal Class 2 parameter calculation CErr2 CErr2 abnormal Class 3 parameter calculation CErr3 CErr3 abnormal Class 4 parameter calculation CErr4 CErr4 abnormal...
Page 213 SV800/SV800A User Manual 8 Fault and maintenance Adjust the current control gain (visible when allowed by Improper current control gain setting manufacturer) Fast current limiting threshold setting Reset the fast current limiting threshold (visible when abnormal allowed by manufacturer) Improper self-learning settings Perform full mode self-learning again The power of frequency inverter and motor Correctly configure the combination of frequency inverter...
Page 214 8 Fault and maintenance SV800/SV800A User Manual LCD keyboard LED keyboard Communication Fault Name display display code iGbt1 IGbt1 U phase module protection Possible causes Countermeasures IGBT or IPM module damage Check the IGBT or IPM modules Output cable short circuit or short circuit to Check output cable ground Motor damage...
Page 215 SV800/SV800A User Manual 8 Fault and maintenance Speed sensor parameter setting or wiring Modify speed sensor parameters (b1-07, b2-07) or adjust improper wiring Motor nameplate parameters not set Modify the motor nameplate parameters (b1, b2) properly LCD keyboard LED keyboard Communication Fault Name display...
Page 216 8 Fault and maintenance SV800/SV800A User Manual Motor burned or motor insulation aged Check the motor insulation resistance abnormal or not Output cable broken or aged and causes Check the cable between the inverter and the motor abnormal short circuit or not.
Page 217 SV800/SV800A User Manual 8 Fault and maintenance Inverter current feedback circuit abnormal Check the abnormal causes or replace the control board LCD keyboard LED keyboard Communication Fault Name display display code tUnEr tUnEr Motor self-learning fault Possible causes Countermeasures Self-learning fault during operation Power on again to reset the fault Check if the motor nameplate parameters are set correctly Check if the inverter voltage detection is correct or replace...
Page 218 8 Fault and maintenance SV800/SV800A User Manual The wiring between inverter output terminal Ensure the wiring between the inverter and the motor is and motor wrong correct LCD keyboard LED keyboard Communication Fault Name display display code Over torque fault Possible causes Countermeasures Load too heavy...
Page 219 SV800/SV800A User Manual 8 Fault and maintenance LCD keyboard LED keyboard Communication Fault Name display display code FCLoL FCLoL FCL overload fault Possible causes Countermeasures Acc./Dec. time too short (V/F control) Increase Acc./Dec. time The load too heavy Reduce the load or replace drive and motor with larger power Fast current limiting threshold setting Reset the fast current limiting threshold (visible when abnormal...
Page 220 8 Fault and maintenance SV800/SV800A User Manual Possible causes Countermeasures Check communication wiring and eliminate short circuit and Communication cable wiring abnormal disconnection problem Use anti-interference measures to eliminate the impact of Communication cable disturbed interference on communication LCD keyboard LED keyboard Communication Fault Name...
Page 221: Warning And Solutions
SV800/SV800A User Manual 8 Fault and maintenance Parameter calculation fault 1 (Special Er.34 Er.34 for manufacturer) Possible causes Countermeasures Motor nameplate parameters set error Set motor nameplate parameters correctly No self-learning or self-learning error Perform full-mode self-learning Motor operating range conflicts with Set the operating parameters correctly protection parameter settings LCD keyboard...
Page 222 8 Fault and maintenance SV800/SV800A User Manual Possible causes Countermeasures Self-learning fault during operation Power off and reset the fault Self-learning errors Power off and reset the fault after check possible causes IGBT or IPM failures Power off and reset the fault after check possible causes LCD keyboard LED keyboard Warning Name...
Page 223 SV800/SV800A User Manual 8 Fault and maintenance CErr3 CErr3 Type 3 parameter calculation exception Possible causes Countermeasures Same as "Type 0 parameter calculation Same as "Type 0 parameter calculation abnormal" abnormal" LCD keyboard LED keyboard Warning Name display display CErr4 CErr4 Type 4parameter calculation exception Possible causes...
Page 224: Maintenance
8 Fault and maintenance SV800/SV800A User Manual 8.4 Maintenance 8.4.1 Daily and periodic inspection The influence of the ambient temperature, humidity, dust and vibration will cause the aging of the devices in the inverter, which may cause potential faults or reduce the service life of the inverter.
Page 225: Appendix A: Braking
SV800/SV800A User Manual Appendix A: Braking Appendix A: Braking A.1 Selection of braking unit and braking resistor A.1.1 Selection of braking resistor resistance When braking, almost all of the motor regenerative energy is consumed by the braking resistor. According to the formula: Pb=U*U/R U: System braking voltage (U normally is 700V AC 380V grade inverter) Pb: Braking power...
Page 226: Wiring Of Braking Unit And Braking Resistor
Appendix A:Braking SV800/SV800A User Manual Table A-1 SV800A/ SV800 Inverter Braking Group Recommended Inverter model Recommended power Braking unit resistance Single phase 220V ≥ 200Ω SV800A-0R752GB ≥ 100Ω SV800A-1R52GB 100W Built-in ≥ 70Ω SV800A-2R22GB 100W Three-phase 380 V ≥ 320Ω SV800A-0R754G/1R54PB 150W ≥...
Page 227 SV800/SV800A User Manual Appendix A: Braking Fig.A-2 Applicable to inerter with external braking unit...
Page 228: Appendix B: Communication
Appendix B: Communication SV800/SV800A User Manual Appendix B: Communication B.1 Modbus communication B.1.1 Support protocol Support Modbus protocol, RTU format. Broadcast address 0, the slave address: 1~247. B.1.2 Interface mode RS485 interface: asynchronous, semiduplex, the high byte is first, and the low byte is after. The default data format:8-N-1, 19200bps.
Page 229 SV800/SV800A User Manual Appendix B: Communication shown in below table: Table B-2 Function code address Function code group Register address high byte Function code group Register address high byte 0x00 0x43 0x01 0x44 0x02 0x50 0x10 0x51 0x11 0x52 0x12 0x53 0x13 0x70...
Page 230 Appendix B: Communication SV800/SV800A User Manual Application layer data unit Data length (bytes) Range Local address 1~247 Function code 0x03 Number of read bytes 2 * number of registers Registers content 2 * number of registers 0x0000~0xFFFF Check 0x0000~0xFFFF Function code 0x06 or 0x41: Write single function code parameter or control parameter. The request format is as follows: Application layer data unit Data length (bytes)
Page 231 SV800/SV800A User Manual Appendix B: Communication Application layer data unit Data length (bytes) Range Local address 1~247 Function code 0x10OR 0x43 Register address 0x0000~0xFFFF Number of registers 0x0001~0x000C Check 0x0000~0xFFFF Function code 0x08: Line diagnosis request format is as follows: Application layer data unit Data length (bytes) Range...
Page 232: Register Address Of Control Parameters
Appendix B: Communication SV800/SV800A User Manual B.1.5 Register address of control parameters Register address Parameter Name Remarks 0x6000 Control command word 0x6001 Main speed/frequency 0x6002 Auxiliary speed/frequency 0x6003 PID communication given 0x6004 PID communication feedback 0x6005 Torque communication setting Torque compensation 0x6006 communication setting 0x6007...
Page 233: Examples Of Modbus Communication
SV800/SV800A User Manual Appendix B: Communication DO terminal communication is defined as follows: Control command word Value Meaning 0x600B DO1 OFF bit0 DO1 ON DO2 OFF bit1 DO2 ON bit2 Reserved Reserved Relay M1 OFF bit3 Relay M1 ON Relay M2 OFF bit4 Relay M2 ON Relay TA-TB-TC OFF...
Page 234 Appendix B: Communication SV800/SV800A User Manual 1# inverter default mode stop Register Number of Address Function code Check address registers Request 0x01 0x06 0x6000 0x0010 0x9606 0x01 0x06 0x6000 0x0010 0x9606 Answer Write multiple function code parameter examples: Start 1# inverter forward rotation, set the inverter frequency 50.00Hz Function Register Number of...
Page 235: Crc16 Function
SV800/SV800A User Manual Appendix B: Communication B.1.7 CRC16 function CRC16 checkout value calculating function written by C language: Uint16 CRC16(const Uint16 *data, Uint16 len) Uint16 crcValue = 0xffff; Uint16 i; while (len--) crcValue ^= *data++; for (i = 0; i < 8; i++) if (crcValue &...
Page 236: Appendix C: Control Block Diagram
Appendix C: Control Block diagram SV800/SV800A User Manual Appendix C: Control Block diagram C.1 Control Block diagram Fig.C-1 Frequency Given Logic Block Diagram...
Page 237 SV800/SV800A User Manual Appendix C: Control Block diagram Fig.C-2 PID control block diagram...
Page 238: Appendix D: A1 Application Selection And Parameter Mapping
In order to facilitate the user to set the parameters using the SV800A/SV800 series, as long as the user selects the inverter application in A1-00, A1-01 ~ A1-49 will automatically correspond to the function parameters and arranged according to the application frequency.
Page 239 SV800/SV800A User Manual Appendix D: A1 application selection and parameter mapping Name Factory default Description Mapping parameter Function selection detailed description Chapter 7. A1-11 Torque boost Determined with Only valid for VF control d4-01 model A1-12 Start mode selection Start from Min.
Page 240: Application Of Air Supply/Exhaust Fan (A1-00=2)
Appendix D: A1 application selection and parameter mapping SV800/SV800A User Manual D.2 Application of air supply/exhaust fan (A1-00=2) Name Factory default Description Mapping parameter A1-01 Control mode setting 2: V/F control V/F control for generally A0-04 using A1-02 G/P model selection 0: G type 1:P type A0-12...
Page 241 SV800/SV800A User Manual Appendix D: A1 application selection and parameter mapping A1-21 AO1 output function Inverter output Refer to Chapter 7 for H3-00 frequency details. A1-22 Motor overload 100% P0-03 protection setting A1-23~ Reserved A1-49...
Page 242: Application Of Constant Pressure Water Supply
Appendix D: A1 application selection and parameter mapping SV800/SV800A User Manual D.3 Application of constant pressure water supply (one inverter with one pump or one inverter two pumps) (A1-00=3) Name Factory default Description Mapping parameter A1-01 Control mode 2: VF control V/F control for general using A0-04 setting...
Page 243 SV800/SV800A User Manual Appendix D: A1 application selection and parameter mapping Name Factory default Description Mapping parameter A1-20 Wake up pressure 0.00MPa set to sleep slower, wake up F1-05 faster, wake up pressure is less A1-21 Wake delay time 0.0s F1-06 than target pressure A1-22...
Page 244 Customer Product information Fault details Information...

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