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FST-820 Elevator dedicated frequency converter

FST-820 Elevator dedicated frequency converter

FST-820 Elevator dedicated frequency converter

FST-820 series is a high-performance vector control frequency converter specifically designed for elevators. Integrating synchronous and asynchronous motor control, with multiple encoder interfaces, it can flexibly define the S-curve of elevator smooth operation, and has elevator specific logic control. It is the most practical, professional, and easy-to-use dedicated frequency converter in the elevator industry!

Power range

3.7kw~30KG

Input voltage

Three phase 380V input and three phase 380V output

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Product Overview

Elevator mini icon
Elevator mini icon
Elevator mini icon
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Features

Suitable for driving control of permanent magnet synchronous motors and asynchronous motors, with multiple rotary encoder interfaces;
Support speed setting for multiple segments and analog quantities;
Flexible start curve processing, multi segment S curve setting, and 4-level acceleration and deceleration time setting can ensure good elevator operation comfort;
With simple and practical battery operation function, 48V power input can complete power outage self rescue;
Equipped with various elevators such as enabling detection, holding brake contactor control, output contactor control, forced deceleration judgment, overspeed protection, speed deviation detection, early door opening, contact adhesion detection, motor overheating detection, startup pre torque compensation, etc;
Dedicated functions make elevator control simple and easy to operate;
The built-in DC reactor and braking unit improve the output power factor of the system and reduce the cost of external components in the electrical system;
The full series of independent air duct design, professional lightning protection design, professional processing and production platform, and advanced process control ensure the quality of elevator dedicated frequency converters;
The unique single key design of the operation panel makes complex keyboard operations easy and effortless; And it can be connected to any location through the RJ45 port, making elevator debugging more convenient and simple; The parameter copying unit is simple to use and convenient for batch debugging.

Technical Specifications

Items		Specifications
General Specifications	Carrier frequency	0.5k〜16k(Hz)；The carrier frequency is automatically adjusted according to the load characteristics.
	Input frequency resolution	Digital setting: 0.01Hz
		Analog setting: Maximum frequency *0.1%
	Output frequency accuracy	Digit setting: Maximum frequency x±0.01%
		Analog setting: Maximum frequency *±0.01%
	Control mode	Open loop vector control (SVC)/Closed loop vector control (VC) /VF control
	Starting torque	0.5HZ/180% (SVC)； 0Hz/200% (VC)
	Speed range	1： 100 (SVC)	1： 1000 (VC)
	Speed stability accuracy	±0.5% (SVC)	±0.05% (VC)
	Overload capacity	150% rated current 60 seconds; 180% rated current for 1 second.
	Acceleration and deceleration curve	Linear or S-curve acceleration and deceleration mode; Four groups of acceleration and deceleration time and four groups of S-curve setting; Multiple combinations
	Overhaul control	Can be specified by any multi-segment speed
	Multi-speed operation	Achieve up to 8 speed runs
	Automatic Voltage Regulation (AVR)	When the grid voltage changes, it can automatically keep the output voltage constant
Display and operation	LED display	The parameter of setting frequency, output frequency, output voltage and output current can be displayed
	LCD Displays the operation panel	Select accessories, Chinese or English prompt operation content
	Parameter copy	The LCD operating panel allows for fast replication of parameters
	Protection function	40 kinds of protection such as power-on short circuit detection, input-output phase loss protection, overcurrent protection, overvoltage protection, undervoltage protection
	Key lock and function selection	Lock part or all of the keys and define the scope of some keys to prevent misoperation
Own Features	Power on the safety self-test of peripheral devices	It can realize the safety detection of peripheral devices such as grounding and short circuit
	Power failure emergency operation	The emergency operation scheme is simple and convenient
	Overspeed protection	Built-in elevator overspeed protection function; Multiple action options
	Judging velocity deviation	Built-in speed deviation detection function; Timely detection of potential elevator hazards
	Strong urgent function	It has the function of forced speed change detection; Effectively prevent the elevator from hitting the top and squatting the bottom
	Motor temperature detection	Determine the motor temperature in time to eliminate safety hazards
	Starting compensation	Two starting torque compensation methods; Analog or digital quantities
	QUICK key	The user can freely define the shortcut menu
	Timing control	Convenient timing control function
Input-output characteristic	Run command channel	Three channels: operation panel given, control terminal given, communication given
	Frequency source	There are five frequency sources: digital set, analog voltage set, analog current set, communication set, multi-speed set
	Input terminal	10 digital input terminals, lifting 1 can be used as high-speed pulse input, can be compatible with active PNP or NPN input mode
		Three analog input terminals, one of which can only be used as voltage input, and the other one can be used as voltage or current input
	Output terminal	Three digital output terminals
		2 relay output terminals
		2 analog output terminals, respectively optional 0/4~20mA or 0/2~10V, can achieve the set frequency, output frequency and other non-power output
Environment	altitude	Area 1000 m
	Ambient temperature	-10 ° C ~40 ° C (ambient temperature is 40 ° C ~50 ° C, please use the reduced rate)
	humidness	Less than 95%RH, no boiling condensation
	Vibration	Less than 5.9 m/s ² (0.6g)
	Storage temperature	-20℃~60℃

Product Parameters

Model no.	Power	output current	Input voltage	Size（mm）	Installation size（mm）	G.W
FST-820-3R7S2	3.7KW	8.2A	380V	160250185	145*235	1.08KG
FST-820-5R5GT4	5.5KW	13A	380V	160250185	145*235	3.4KG
FST-820-7R5GT4	7.5KW	18A	380V	205320195	190*308	5.6KG
FST-820-11GT4	11KW	27A	380V	205320195	190*308	5.95KG
FST-820-15GT4	15KW	33A	380V	205320195	190*308	6.55KG
FST-820-18GT4	18KW	38A	380V	220390200	160*375	8.45KG
FST-820-22GT4	22KW	45A	380V	220390200	160*375	8.8KG
FST-820-30GT4	30KW	60A	380V	220390200	160*375	9KG

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FST-820 English Manual.pdf
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Power range

Input voltage

Product Overview

Elevator mini icon

Elevator mini icon

Elevator mini icon

Packaging

Food

Fans

Pumps

Technical Specifications

Product Parameters

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