Overview
The LNC860S Series General-purpose Current Vector VFD is a brand-new product independently developed by our company. It features powerful current vector control performance, enabling higher-performance and higher-precision motor drive control. Equipped with a variety of optional extension cards, it boasts powerful functions and supports multiple fieldbuses.It provides richer frequency source superposition and switching modes, advanced PID algorithm, 16-step speed control, automatic program operation, as well as wobble frequency control and speed tracking functions. While improving product reliability and environmental adaptability, it also enhances user-friendliness and industry-specific design, resulting in optimized functions, more flexible applications and more stable performance.It is widely applicable to high-end applications in industries such as CNC machining centers, hoisting equipment, printing and packaging machinery, textile equipment, printing and dyeing equipment, metal products, petroleum and chemical engineering, etc.
Product features
- Reliability
Multiple protection functions: over – voltage, over – current, overload, over – heat, etc.
Setting of over – voltage and over – current stall protection levels Two – segment skip frequencies can effectively avoid mechanical resonance points - High – performance
Automatic torque boost: Starting torque can reach 150% at 0.5Hz
Automatic slip compensation: More accurate speed
No – stop during momentary power failure: Maintain short – time operation during momentary power outage
Low noise: Smoother motor operation
Overload capacity: Can operate at 150% rated torque for 60 seconds - Multifunctional
Main/auxiliary frequency addition and subtraction control frequency methods
Pulse input for frequency control
Maximum pulse output up to 100KHZ
Can display voltage, current, set frequency, output frequency, rotational speed, etc. according to user definition
Frequency – swing, fixed – length and counting functions
Built – in PLC can operate in 16 – step speed
Supports multiple frequency settings: digital setting, analog setting, PID setting, multi – step speed setting, simple PLC setting, PULSE pulse setting, RS485 communication setting
Embedded RS485 communication interface, supports Modbus protocol - Input and output
Input functions: two – wire/three – wire control mode, external EF, UP/DOWN, automatic program operation control, counting, pulse input, etc
Output functions: counting – reached indication, frequency – reached indication, over – torque indication, overload early warning, etc. - The models with 0.75 – 22KW can have a built – in braking unit
Application
Model meaning
Current Parameter
| Model | Input/Output Voltage (V) |
Rated Power (kW) |
Rated Input Current (A) |
Rated Output Current (A) |
|---|---|---|---|---|
| LNC860S-2S0007GB/2S0015PB | Snigle Phase 220V±15% /Three Phase 220V±15% |
0.75 | 8.2 | 4 |
| LNC860S-2S0015GB/2S0022PB | 1.5 | 14 | 7 | |
| LNC860S-2S0022GB/2S0040PB | 2.2 | 23 | 9.6 | |
| LNC860S-4T0007GB/4T0015PB | Three Phase 380V±15% /Three Phase 380V±15% |
0.75 | 3.4 | 2.1 |
| LNC860S-4T0015GB/4T0022PB | 1.5 | 5 | 3.8 | |
| LNC860S-4T0022GB/4T0040PB | 2.2 | 5.8 | 5.1 | |
| LNC860S-4T0040GB/4T0055PB | 4 | 10 | 9 | |
| LNC860S-4T0055GB/4T0075PB | 5.5 | 15 | 13 | |
| LNC860S-4T0075GB/4T0110PB | 7.5 | 20 | 17 | |
| LNC860S-4T0110GB/4T0150PB | 11 | 26 | 25 | |
| LNC860S-4T0150GB/4T0185PB | 15 | 35 | 32 | |
| LNC860S-4T0185GB/4T0220PB | 18.5 | 38 | 37 | |
| LNC860S-4T0220GB/4T0300PB | 22 | 46 | 45 | |
| LNC860S-4T0300G/4T0370P | 30 | 62 | 60 | |
| LNC860S-4T0370G/4T0450P | 37 | 76 | 75 | |
| LNC860S-4T0450G/4T0550P | 45 | 92 | 91 | |
| LNC860S-4T0550G/4T0750P | 55 | 113 | 112 | |
| LNC860S-4T0750G/4T0900P | 75 | 157 | 150 | |
| LNC860S-4T0900G/4T1100P | 90 | 180 | 176 | |
| LNC860S-4T1100G/4T1320P | 110 | 214 | 210 | |
| LNC860S-4T1320G/4T1600P | 132 | 256 | 253 | |
| LNC860S-4T1600G/4T2000P | 160 | 307 | 300 | |
| LNC860S-4T2000G/4T2200P | 200 | 385 | 377 | |
| LNC860S-4T2200G/4T2500P | 220 | 430 | 426 | |
| LNC860S-4T2500G/4T2800P | 250 | 468 | 465 | |
| LNC860S-4T2800G/4T3150P | 280 | 525 | 520 | |
| LNC860S-4T3150G/4T3550P | 315 | 590 | 585 | |
| LNC860S-4T3550G/4T4000P | 350 | 665 | 650 | |
| LNC860S-4T4000G/4T4500P | 400 | 785 | 725 | |
| LNC860S-4T4500G/4T5000P | 450 | 823 | 820 | |
| LNC860S-4T5000G/4T5600P | 500 | 883 | 875 | |
| LNC860S-4T5600G/4T6300P | 560 | 920 | 980 | |
| LNC860S-4T6300G/4T7100P | 630 | 1080 | 1120 | |
| LNC860S-4T7100G/4T7500P | 710 | 1126 | 1283 | |
| LNC860S-4T7500G | 750 | 1250 | 1355 |
Technical specifications
| Item | Specification | |
|---|---|---|
| Control characteristics | Output frequency | 0 – 500HZ |
| Carrier frequency | 0.8kHz ~ 12kHz. The carrier frequency can be automatically adjusted according to the load characteristics. | |
| Output frequency resolution |
Digital setting: 0.01Hz Analog setting: Maximum frequency × 0.025% |
|
| Control mode | Open – loop vector control (SVC) V/F control Closed – loop vector control (FVC) |
|
| Torque characteristics | With torque compensation and slip compensation, the starting torque can reach 150% at 0.25Hz (SVC) | |
| Torque control accuracy | SVC: Above 5Hz ± 5% FVC: ± 3% | |
| Over-voltage and over-current stall prevention protection | Automatically limit the voltage and current during use to prevent frequent over – voltage and over – current tripping | |
| Speed regulation range | 1:200 (SVC) 1:1000 (FVC) | |
| Speed stabilization accuracy | ±0.5% (SVC) ±0.02% (FVC) | |
| Overload capacity | 150% of the rated output current for one minute | |
| V/F curve | Four modes: linear; multi – point; complete V/f separation; incomplete V/f separation | |
| Acceleration and deceleration curve |
Linear or S – curve acceleration and deceleration modes; four acceleration and deceleration times; acceleration and deceleration time range 0.1 ~ 6500.0s |
|
| DC braking | DC braking frequency: 0.00Hz ~ maximum frequency. Braking time: 0.0s ~ 36.0s, braking action current value: 0.0% ~ 100.0% | |
| Jog control | Jog frequency range: 0.00Hz ~ maximum frequency; jog acceleration and deceleration time 0.1s ~ 6500.0s | |
| Simple PLC, multi-step speed operation | Up to 16 – step speed operation can be achieved through the built – in PLC or control terminals | |
| Built – in PID | It can easily realize the process – control closed – loop control system | |
| Automatic voltage regulation (AVR) | When the grid voltage changes, it can automatically maintain a constant output voltage | |
| Fast current – limiting function | Minimize over – current faults to the greatest extent and protect the normal operation of the frequency converter | |
| Operating characteristics | Operating command channel |
Three channels: given by the operation panel, given by the control terminals, given by the serial communication port. It can be switched in various ways |
| Frequency source | Ten frequency sources: given by panel knob, given by operation panel, given by analog voltage, given by analog current, given by RS485 communication, multi – speed, PID, simple PLC, which can be switched in various ways |
|
| Auxiliary frequency source |
Ten auxiliary frequency sources. It can flexibly achieve auxiliary frequency fine – tuning and frequency synthesis | |
| Input terminals | Five digital input terminals, one of which can be used as a high – speed pulse input. Two analog input channels, AI1: input range 0 ~ +10V, AI2: input range 0 ~ +10V/0 – 20mA |
|
| Output terminals | One high – speed pulse output terminal, capable of outputting a square – wave signal from 0kHz ~ 50kHz, which can realize the output of physical quantities such as set frequency and output frequency. It can be selected as open – drain type One digital output terminal One relay output terminal Two analog output terminals: 0V ~ 10V/0 – 20mA, which can indicate the output of output frequency/ current/voltage/frequency command/rotational speed/power factor signals |
|
| Display and keyboard operation |
LED display | It is equipped with 8 function keys, a 5 – digit 7 – segment LED, and 5 status LED indicators It can perform forward rotation, reverse rotation, reset, stop, jog, as well as parameter setting and display |
| Protection characteristics |
Protection function | Motor short – circuit detection upon power – on, input and output phase – loss protection, over – current protection, over – voltage protection, under – voltage protection, over – heat protection, overload protection, short – circuit protection, etc |
| Other characteristics | Optional card | IO expansion card, communication card (isolated type), PG card |
| Multi – encoder support | Supports differential, open – drain, UVW, resolver | |
| Environment | Application place | Indoors, not directly exposed to sunlight, free from dust, corrosive gases, flammable gases, oil mist, water vapor, dripping water or salt, etc |
| Altitude | Less than 1000m | |
| Ambient humidity | – 10℃ ~ + 40℃ (When the ambient temperature is between 40℃ ~ 50℃, derating operation is required) | |
| Humidity | Less than 95%RH, without water droplet condensation | |
| Vibration | Less than 5.9m/s² (0.6g) | |
| Storage temperature | – 20℃ ~ + 60℃ | |
Basic wiring diagram
Installation dimensions of the keyboard base
Diagrams of the overall dimensions and installation dimensions of the plastic structure
| Applicable models | Rated output power (kW) | Input voltage | A (mm) |
B (mm) |
H (mm) |
W (mm) |
D (mm) |
Installation aperture (mm) |
|---|---|---|---|---|---|---|---|---|
| 820/860S | 0.4~2.2 | Single – phase 220V range: -15%~ + 15% |
90 | 157 | 170 | 101 | 142 | Φ5 |
| 820/860S/860E | 0.75~2.2 | Three – phase 380V range: -15%~ + 15% |
90 | 157 | 170 | 101 | 142 | Φ5 |
| 820/860S/860E | 4~5.5 | 111 | 183 | 197 | 129 | 175 | Φ5 | |
| 820/860S/860E | 7.5 | 137 | 237 | 256 | 157 | 190 | Φ5 | |
| 820 | 11 | 137 | 237 | 256 | 157 | 190 | Φ5 | |
| 820 | 15~22 | 151 | 303 | 320 | 170 | 222 | Φ5.8 | |
| 820 | 30~37 | 205 | 366 | 380 | 218 | 235 | Φ6 |
Diagrams of the overall dimensions and installation dimensions of the sheet metal structure
| Machine type | Overall dimensions | Installation dimensions | Installation hole diameter |
||||
|---|---|---|---|---|---|---|---|
| Applicable models | kW | H(mm) | W(mm) | D(mm) | H1(mm) | W1(mm) | mm |
| 820/860S/860E | 11-15 | 340 | 204 | 214 | 325 | 150 | Φ6 |
| 820/860S/860E | 18.5-22 | 360 | 224 | 214 | 345 | 150 | Φ6 |
| 820/860S/860E | 30-37 | 380 | 262 | 220 | 360 | 192 | Φ9 |
| 820 | 45 new | 480 | 270 | 250 | 465 | 190 | Φ7 |
| 820 | 45-75 | 450 | 330 | 259 | 430 | 240 | Φ9 |
| 860S/860E | 45-75 | 570 | 380 | 263 | 547.5 | 240 | Φ10 |
| 860S/860E | 90-132 | 610 | 400 | 286 | 587.5 | 240 | Φ12 |
| 860S/860E | 160-220 | 760 | 500 | 355 | 735 | 200 | Φ12 |
| 860S/860E | 250-400 | 862 | 750 | 455 | 832 | 250 | Φ12 |
| 820/860S | 450-560 | 1122 | 950 | 505 | 1092 | 350 | Φ12 |
| 820/860S | 630-750 | 1045 | 1050 | 505 | 1015 | 400 | Φ12 |
| Applicable | Machine type | Overall dimensions | Installation dimensions | Installation hole diameter |
||
|---|---|---|---|---|---|---|
| models | kW | H(mm) | W(mm) | D(mm) | W1(mm) | mm |
| 860S | 160-220 | 1065 | 500 | 355 | 200 | Φ12 |
| 860S | 250-400 | 1329 | 750 | 455 | 250 | Φ12 |
| 820/860S | 450-560 | 1644 | 950 | 505 | 350 | Φ12 |
| 820/860S | 630-750 | 1625 | 1050 | 505 | 400 | Φ12 |
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