Overview
The LNC860E Series VFD is a general-purpose high-performance vector inverter, mainly used to control and adjust the speed and torque of three-phase AC synchronous motors.It adopts a 32-bit DSP chip and integrates core control algorithms such as closedloop vector control, open-loop vector control and torque control, enabling high-performance and high-precision drive control of permanent magnet synchronous motors.It delivers high torque output at low speed, with excellent dynamic performance and strong overload capacity, and supports a variety of PG cards.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 medium-to-high-end applications such as injection molding machines, air compressors, medium and high-power servo systems, CNC machining centers, hoisting equipment and textile machinery.
Product features
- Open – loop and closed – loop vector control for permanent – magnet synchronous motors
- Supports various encoders: ABZ incremental, UVW incremental and resolver
- Wide voltage input, automatic output voltage regulation (AVR), non – stop operation during momentary power loss, with stronger adaptability
- Supports various frequency setting methods: digital setting, analog quantity setting, PID setting, RS485 communication setting
- Smooth start – up and stable operation, with speed tracking function
- Can share the DC bus to save energy
- Low noise and strong anti – interference ability
- Strong overload capacity, 150% of the rated torque can operate for 60 seconds
- Built – in advanced PID algorithm, with fast response, strong adaptability and easy debugging
- 16 – step speed control, simple PLC to achieve multi – function logic control such as timing, constant – speed and directional control
- Multiple protection functions: over – voltage, over – current, overload, over – heat, etc
- Supports LCD panel display and operation in Chinese and English
- Supports Profibus – DP and MODBUS communication
- Structurally adopts an independent air duct design, the fan can be freely disassembled, with good heat dissipation performance
Application
Model meaning
Current Parameter
| Model | Input/Output Voltage (V) |
Rated Power (kW) |
Rated Input Current (A) |
Rated Output Current (A) |
|---|---|---|---|---|
| LNC860E-4T0007GB/4T0015PB | Three Phase 380V±15% /Three Phase 380V±15% |
0.75 | 3.4 | 2.1 |
| LNC860E-4T0015GB/4T0022PB | 1.5 | 5 | 3.8 | |
| LNC860E-4T0022GB/4T0040PB | 2.2 | 5.8 | 5.1 | |
| LNC860E-4T0040GB/4T0055PB | 4 | 10 | 9 | |
| LNC860E-4T0055GB/4T0075PB | 5.5 | 15 | 13 | |
| LNC860E-4T0075GB/4T0110PB | 7.5 | 20 | 17 | |
| LNC860E-4T0110GB/4T0150PB | 11 | 26 | 25 | |
| LNC860E-4T0150GB/4T0185PB | 15 | 35 | 32 | |
| LNC860E-4T0185GB/4T0220PB | 18.5 | 38 | 37 | |
| LNC860E-4T0220GB/4T0300PB | 22 | 46 | 45 | |
| LNC860E-4T0300G/4T0370P | 30 | 62 | 60 | |
| LNC860E-4T0370G/4T0450P | 37 | 76 | 75 | |
| LNC860E-4T0450G/4T0550P | 45 | 92 | 91 | |
| LNC860E-4T0550G/4T0750P | 55 | 113 | 112 | |
| LNC860E-4T0750G/4T0900P | 75 | 157 | 150 | |
| LNC860E-4T0900G/4T1100P | 90 | 180 | 176 | |
| LNC860E-4T1100G/4T1320P | 110 | 214 | 210 | |
| LNC860E-4T1320G/4T1600P | 132 | 256 | 253 | |
| LNC860E-4T1600G/4T2000P | 160 | 307 | 300 | |
| LNC860E-4T2000G/4T2200P | 200 | 385 | 377 | |
| LNC860E-4T2200G/4T2500P | 220 | 430 | 426 | |
| LNC860E-4T2500G/4T2800P | 250 | 468 | 465 | |
| LNC860E-4T2800G/4T3150P | 280 | 525 | 520 | |
| LNC860E-4T3150G/4T3550P | 315 | 590 | 585 | |
| LNC860E-4T3550G/4T4000P | 350 | 665 | 650 | |
| LNC860E-4T4000G/4T4500P | 400 | 785 | 725 | |
| LNC860E-4T4500G/4T5000P | 450 | 823 | 820 | |
| LNC860E-4T5000G/4T5600P | 500 | 883 | 875 | |
| LNC860E-4T5600G/4T6300P | 560 | 920 | 980 | |
| LNC860E-4T6300G/4T7100P | 630 | 1080 | 1120 | |
| LNC860E-4T7100G/4T7500P | 710 | 1126 | 1283 | |
| LNC860E-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 | 0.01Hz | |
| 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 | ±5% ( FVC ) | |
| Stall prevention action criterion | Set as a percentage of the rated current, ranging from 20% to 250% | |
| Speed regulation range | 1：100 ( 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, 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 | Six 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 | 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 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, etc | |
| 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 |
Details
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