FST-500 Mini-type SVC Frequency Inverter
The FST-500 series is a new generation of non-inductive vector frequency converters, with low speed rated torque output and ultra quiet and stable operation. The built-in PID function can easily achieve PID closed-loop control, advanced automatic torque compensation and slip compensation functions, and has swing frequency function, complete protection and alarm function, and multiple parameter online monitoring and adjustment, which can meet the various needs of customers to the maximum extent. Compact size, mini appearance, and more convenient installation.
Power range
0.4kw~7.5kw
Input voltage
220V 1 phase to 3 phase /3 phase to 3 phase
380V 3 phase to 3 phase
Product Overview
Application scope
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Textile
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Paper Making
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Sand Making
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Machine Tools
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Packaging
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Food
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Fans
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Pumps
Features
- Compact structure, small size, and light weight
- Multiple protection technologies with strong anti-interference ability
- Can set V/F curve and automatically adjust acceleration and deceleration function
- Low noise, carrier frequency 0-15Khz
- Built-in PID function
- Automatic torque increase and automatic voltage regulation function
- Sleep/wake up function and zero speed hold function
- Built in RS-485 communication interface
Technical Specifications
| Iterms | Specifications | ||||||||||||
| Output | Rated voltage | 220V | 380V | ||||||||||
| Applicable motor power(KW) | 0.4 | 0.75 | 1.5 | 2.2 | 4 | 5.5 | 0.75 | 1.5 | 2.2 | 4 | 5.5 | 7.5 | |
| Rated Current | 2.5 | 5.0 | 7.0 | 10 | 17 | 25 | 3.0 | 4.0 | 5.0 | 8.2 | 13 | 18 | |
| Power supply | Maximum overload current(A) | 150% 1 minute | |||||||||||
| Control and Operation | Rated input voltage | Single phase / 3 phase 220V; 3 phase 380V±10%; 50-60Hz±5% | |||||||||||
| Rated output voltage | 0-rated input voltage | ||||||||||||
| Control method | Sine wave SPWM, Senseless vector control | ||||||||||||
| Output Frequency | 0.1-400 Hz | ||||||||||||
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Output frequency accuracy (when it is 25±10℃) |
Digital command; max frequency ±0.01% aAnolog command: max frequency ±0.2% | ||||||||||||
| Resolution set to frequency |
Digital command: 0.1Hz Analog command: 1‰ of max frequency |
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| Voltage/frequency feature | Features of constant torque and reduced torque of any V/F features | ||||||||||||
| Features of torque | Torque compensation, slip compensation, starting torque can reach 150% when it is 5Hz. | ||||||||||||
| Features of Acc/Dec | 0.1 second to 600 seconds, the second acc/dec can be adopted (can be set separately) | ||||||||||||
| Frequency input setting | Keyboard Λ, V key and keyboard potentiometer 0 ~ 10VDC (input impedance 20KΩ) 4 ~ 20Ma (inut impedance 250Ω) | ||||||||||||
| Input signal |
Multi speed option 1-7 , inching command, static command of acceleration/deceleration switch command of the first/second acceleration/deceleration, counter, programmable operation, external B.B. terminal setting of incremented/decremented frequency |
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| Input signal |
In operation, operating frequency to the limit, set frequency reach, zero speed, B.B, abnormal indication, Local/Remote indication, indication of count reachable, programmable operation |
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| Analog monitor: output frequency/output current | |||||||||||||
| Protection function |
Overcurrent, overloading, overvoltage, undervoltage, CPU fault, electronic thermal relay protection, overcurrent speed loss and overvoltage speed loss, overheating protection, ground fault when it starts |
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| Other functions |
ACR function, fault retry function, gain adjustment of analog quantity, hop frequency, upper/lower limit of frequency, display of output frequency, fault record monitor, carrier frequency setting, automatic torque boost, automatic slip compensation, PID control |
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Use condition |
Installation | Indoor, altitude lower than 1000 meters, dust-free, no corrosive gas, no direct sunlight | |||||||||||
| Use environment | -10℃ - +40℃ (to bare machine is -10℃ - +50℃), 20% - 90%RH (no condensation) | ||||||||||||
| Vibration | 5.9m/G1 （0.6G）10-55Hz | ||||||||||||
| Storage | -10℃ - +40℃ (to bare machine is -10℃ - +50℃), 20% - 90%RH (no condensation) | ||||||||||||
| Installation method | Wall-mounted | ||||||||||||
| Protection Grade | IP20 | ||||||||||||
| Cooling method | Closed self cooling to 0.4KW, others are forced with air cooling | ||||||||||||
Product Parameters
| Model no. | Power | Output current | Input voltage | Size（mm） | Installation size（mm） | G.W |
| FST-500-0R4S2 | 0.4KW | 2.5A | 220V | 85*153*113 | 80*138 | 1.2KG |
| FST-500-0R7S2 | 0.75KW | 5A | 220V | 85*153*113 | 80*138 | 1.2KG |
| FST-500-1R5S2 | 1.5KW | 7A | 220V | 85*153*113 | 80*138 | 1.2KG |
| FST-500-0R4ST2 | 0.4KW | 2.5A | 220V | 85*153*113 | 80*138 | 1.2KG |
| FST-500-0R7ST2 | 0.75KW | 5A | 220V | 85*153*113 | 80*138 | 1.2KG |
| FST-500-1R5ST2 | 1.5KW | 7A | 220V | 85*153*113 | 80*138 | 1.2KG |
| FST-500-2R2ST2 | 2.2KW | 10A | 220V | 125*235*165 | 110*205 | 3.7KG |
| FST-500-4R0ST2 | 4KW | 17A | 220V | 125*235*165 | 110*205 | 3.7KG |
| FST-500-5R5ST2 | 5.5KW | 25A | 220V | 125*235*165 | 110*205 | 3.7KG |
| FST-500-0R7T4 | 0.75KW | 3A | 380V | 100*164*116.5 | 89*140 | 1.4KG |
| FST-500-1R5T4 | 1.5KW | 4A | 380V | 100*164*116.5 | 89*140 | 1.4KG |
| FST-500-2R2T4 | 2.2KW | 5A | 380V | 100*164*116.5 | 89*140 | 1.4KG |
| FST-500-4R0T4 | 4KW | 8.2A | 380V | 125*235*165 | 110*205 | 3.7KG |
| FST-500-5R5T4 | 5.5KW | 13A | 380V | 125*235*165 | 110*205 | 3.7KG |
| FST-500-7R5T4 | 7.5KW | 18A | 380V | 125*235*165 | 110*205 | 3.7KG |
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