FST-880 Elevator dedicated open-loop vector frequency converter
FST-880 series elevator dedicated frequency converter is suitable for three-phase asynchronous motor open-loop control scenarios. This product adopts a high-performance, high-quality, and high-power density design, which significantly improves usability, maintainability, environmental friendliness, installation space, and design standards, further optimizing the user experience.
Power range
0.4kw~500kw
Input voltage
220V 1 phase to 3 phase
380V 3 phase to 3 phase
Product Overview
-
Villa Elevators
-
Passenger Elevators
-
Freight Elevators
-
Industrial Elevators
-
Subway Escalators
-
Supermarket elevator
-
Lifting motor
Features
- Integrated control and drive, compact structure, simple operation;
- Strong environmental adaptability, achieving self-learning of weighing at any weight;
- Multiple security protection, in accordance with GB/T7588.1/2020 standard;
- Dual chip control operation and holding brake function;
- High performance vector control, economical and easy to use, improves the safety and stability of elevators;
- The perfect combination of CANbus and Modbus communication;
- Flexible and rich modular value-added accessories.
The FST-880 is an elevator dedicated open-loop vector VFD designed for cost-effective elevator control without encoder feedback. It supports asynchronous motors only,, it provides 200% starting torque and 1:1000 speed control range with optional PG card. Ideal for passenger elevators, freight elevators, and home lifts where smooth operation and reliable performance are required at an economical price point.
Technical Specifications
| Item | Rated voltage | |
| Input power | Number of phases, voltage, frequency | 200V level: single phase 220~240V, 50/60Hz |
| 380V level: three-phase 330~440V, 50/60Hz | ||
| 480V level: three-phase 440-500V, 50/60Hz | ||
| Allowed voltage variation | -15%~+10% | |
| Allowed frequency changes | -5%~+5% | |
| Instantaneous voltage drop tolerance | 200V level: Continue operation at AC150V and above; when the rated input state drops below AC150V, undervoltage protection will occur after 15ms of continued operation. | |
| 400V level: Continue operation above AC300V; when the rated input state drops below AC300V, undervoltage protection will occur after 15ms of continued operation. | ||
| Basic features | Maximum floor | 48th floor |
| Elevator running speed | ≤10.00m/s | |
| Group control quantity | ≤8 sets | |
| Communication method | CAN, RS485 bus serial communication | |
| Drive characteristics | Control method | With PG card vector control |
| Starting torque | Depending on load, up to 200% rated torque | |
| Speed control range | 1:1000 (with PG card vector control) | |
| Speed control accuracy | ±0.05% (with PG card vector control, 25±10℃) | |
| Torque limit | 200% rated torque | |
| Torque accuracy | ±5% | |
| Frequency control range | 0~99Hz | |
| Frequency accuracy | ±0.1% | |
| Frequency setting resolution | 0.01Hz/99Hz | |
| Output frequency resolution (calculation resolution) | 0.01Hz | |
| No load starting compensation | When the load size of the elevator is unknown, apply appropriate torque to the motor according to the direction in which the elevator will run. | |
| Make it start smoothly, minimize the car slipping at the moment of starting, and increase the comfort of the elevator starting | ||
| Braking torque | 150% (external braking resistor), built-in braking unit | |
| Acceleration and deceleration time | 0.1~8s | |
| carrier frequency | 2~16kHz | |
| Battery operation | In the event of a power outage, the elevator relies on battery power to level the elevator at low speed. | |
| PG interface | PG card type | Integrated, push-pull, differential, Sin/Cos, communication absolute encoder (Heidenhain 1313/Heidenhain 413/Huitong EA53) |
| PG card signal frequency division output | OA, OB orthogonal | |
| Input and output signals | Optocoupler input control power supply | Isolated 24VDC |
| Low voltage optocoupler isolated input | 24 switches, the optocoupler control signal is an isolated 24VDC power input signal | |
| High voltage optocoupler isolated input | 4-way switch | |
| Relay output | 6 normally open contacts, single pole single throw, 5A contact switching capability, contact load (resistive): 5A250VAC or 5A28VDC | |
| USB interface | Mobile phone debugging | |
| CAN communication interface | 2 channels (car top communication, parallel or group control) | |
| Modbus communication | 2 channels (outbound communication, community monitoring or Internet of Things) | |
| Analog input port | 1 single-ended or differential input, input voltage range -10V~+10V, accuracy 0.1% | |
| Protection characteristics | Motor overload protection | The protection curve of the motor can be set through parameters |
| Controller overload short circuit protection | 150% rated current for 60 seconds; 200% rated current for 10 seconds | |
| Short circuit protection | When any two phases on the output side are short-circuited and cause overcurrent, the drive controller is protected. | |
| Phase loss protection | The controller comes with a phase loss detection function. If the input phase sequence is incorrect, the control system will report a phase loss fault, thereby preventing the elevator from running and preventing accidents. | |
| Bus overvoltage threshold | Bus voltage 800VDC (380V series), 400VDC (220V series) | |
| Bus undervoltage threshold | Bus voltage 350VDC (200V series), 200VDC (220V series) | |
| Instantaneous power outage compensation | Protection above 15ms | |
| Heat sink overheated | Protection via thermistor device | |
| prevent stalling | When the speed deviation during operation is greater than 15% of the rated speed, stall protection is activated. | |
| Rotary encoder abnormality | Including the rotary encoder phase loss, reverse direction, disconnection, pulse interference, etc. When such situations occur, the system will immediately perform fault protection to prevent accidents. | |
| Braking unit protection | Automatically detect abnormalities in the braking unit and provide protection | |
| Module protection | Overcurrent, short circuit, overheating protection | |
| Current sensor protection | Self-test at power-on | |
| Speed abnormality protection | When the encoder feedback speed exceeds the limit value or the deviation between the torque limit and the speed measurement feedback is too large, the system will immediately perform protection. | |
| The alarm prompts and prohibits further operation, thereby quickly protecting the elevator from abnormal speed. | ||
| Output ground protection | During operation, if any phase is short-circuited to ground, the output will be shut down to protect the controller. | |
| Output imbalance protection | When an unbalanced output three-phase current is detected during operation, the output is shut down to protect the controller. | |
| Braking resistor short circuit protection | Detection while braking | |
| Run time limiter protection | Self-test at power-on | |
| EEPROM failure | Self-test at power-on | |
| display | keypad | 3-digit LED display, can realize some debugging functions |
| Operation panel | 5-digit LED display allows you to view and modify most parameters and monitor system status | |
| Mobile APP debugging | Can connect the system and mobile APP to view and modify system status comprehensively and intuitively | |
| Environment | Temperature | -10℃~+50℃ (when the ambient temperature is above 40℃, please derate the amount) |
| Humidity | Below 95%RH, no condensation of water droplets | |
| Vibration | Less than 5.9m/s2(0.6g) | |
| Storage temperature | -20~+60℃ (short-term temperature during transportation) | |
| Place of use | Indoor (no corrosive gas, dust, etc. places) | |
| Pollution level | PD2 | |
| IP rating | IP20 | |
| Applicable to power grid | TN/TT | |
| Altitude | 1000m and below (above 1000m, please derate the controller, derate the controller by 1% for every 100 meters higher) | |
| Structure | Protection level | IP20 |
| Cooling method | Forced air cooling | |
| Installation method | Cabinet installation type | |
Model Selection Guide
| Model no. | Power | output current | Input voltage | Size（mm） | Installation size（mm） | G.W |
| FST-880-0R7ST2 | 0.75KW | 4A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-1R5ST2 | 1.5KW | 5A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-2R2ST2 | 2.2KW | 9A | 220V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-0R7G/1R5PT4 | 0.75KW/1.5KW | 2.5A/3.7A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-1R5G/2R2PT4 | 1.5KW/2.2KW | 3.7A/5A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-2R2G/4R0PT4 | 2.2KW/4KW | 5A/9A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-4R0G/5R5PT4 | 4KW/5.5KW | 9A/13A | 380V | 89.7*197*145 | 71.4*184.2 | 1.5KG |
| FST-880-5R5G/7R5PT4 | 5.5KW/7.5KW | 13A/17A | 380V | 102*200*165 | 90*189.8 | 1.9KG |
| FST-880-7R5G/011PT4 | 7.5KW/11KW | 17A/25A | 380V | 102*200*165 | 90*189.8 | 1.9KG |
| FST-880-011G/015PT4 | 11KW/15KW | 25A/32A | 380V | 125*240*175 | 108*228 | 3.1KG |
| FST-880-015G/018PT4 | 15KW/18KW | 32A/37A | 380V | 125*240*175 | 108*228 | 3.1KG |
| FST-880-018G/022PT4 | 18KW/22KW | 37A/45A | 380V | 210*345*210 | 140*320 | 8.9KG |
| FST-880-022G/030PT4 | 22KW/30KW | 45A/60A | 380V | 210*345*210 | 140*320 | 9KG |
| FST-880-030G/037PT4 | 30KW/37KW | 60A/75A | 380V | 210*345*210 | 140*320 | 9.1KG |
| FST-880-037G/045PT4 | 37KW/45KW | 75A/90A | 380V | 295*525*225 | 160*505 | 19.5KG |
| FST-880-045G/055PT4 | 45KW/55KW | 90A/110A | 380V | 295*525*225 | 160*505 | 19.6KG |
| FST-880-055G/075PT4 | 55KW/75KW | 110A/150A | 380V | 340*580*250 | 200*560 | 29.5KG |
| FST-880-075G/090PT4 | 75KW/90KW | 150A/176A | 380V | 340*580*250 | 200*560 | 29.6KG |
| FST-880-090G/110PT4 | 90KW/110KW | 176A/210A | 380V | 340*580*250 | 200*560 | 29.8KG |
| FST-880-110G/132PT4 | 110KW/132KW | 210A/250A | 380V | 400*610*290 | 240*590 | 50.5KG |
| FST-880-132G/160PT4 | 132KW/160KW | 250A/300A | 380V | 400*610*290 | 240*590 | 51.3KG |
| FST-880-160G/185PT4 | 160KW/185KW | 300A/340A | 380V | 500*780*350 | 400*760 | 76KG |
| FST-880-185G/200PT4 | 185KW/200KW | 340A/380A | 380V | 500*780*350 | 400*760 | 77KG |
| FST-880-200G/220PT4 | 200KW/220KW | 380A/415A | 380V | 500*780*350 | 400*760 | 78.5KG |
| FST-880-220G/245PT4 | 220KW/245KW | 415A/470A | 380V | 500*780*350 | 400*760 | 79KG |
| FST-880-245G/280PT4 | 245KW/280KW | 470A/520A | 380V | 750*860*460 | 500*840 | 155KG |
| FST-880-280G/315PT4 | 280KW/315KW | 520A/600A | 380V | 750*860*460 | 500*840 | 158KG |
| FST-880-315G/355PT4 | 315KW/355KW | 600A/640A | 380V | 750*860*460 | 500*840 | 159KG |
| FST-880-355G/400PT4 | 355KW/400KW | 640A/690A | 380V | 750*860*460 | 500*840 | 161KG |
| FST-880-245G/280PT4C | 245KW/280KW | 470A/520A | 380V | 1300*750*465 | floor type | 199KG |
| FST-880-280G/315PT4C | 280KW/315KW | 520A/600A | 380V | 1300*750*465 | floor type | 200KG |
| FST-880-315G/355PT4C | 315KW/355KW | 600A/640A | 380V | 1300*750*465 | floor type | 200KG |
| FST-880-355G/400PT4C | 355KW/400KW | 640A/690A | 380V | 1300*750*465 | floor type | 202KG |
| FST-880-400G/450PT4C | 400KW/450KW | 690A/860A | 380V | 1500*950*515 | floor type | 250KG |
| FST-880-450G/500PT4C | 450KW/500KW | 780A/860A | 380V | 1500*950*515 | floor type | 250KG |
| FST-880-500G/560PT4C | 500KW/560KW | 860A/950A | 380V | 1500*950*515 | floor type | 250KG |
Download 
Contact Us
