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Variable Speed Low Voltage Converter .pdf

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Variable Speed Low Voltage Converter
Max. output frequency: 0~500HzInput frequency resolution
Digital setting:0.01Hz
Analog setting:Max. frequency×0.025%
Control mode: V/Fcontrol
Start torque: 1.0Hz/150%

Product Detail
SD90 series variable speed low voltage converter is a small compact

power converter, this is aim at small automation equipment of
economical type and especially suitable for electronic equipment, food
packaging, woodworking and other small power transmission.
SD90 Series Variable Speed Low Voltage Converter features and
1.The industry of advanced vector control algorithm.

2.Vector mode 0 control has better low speed stability , more strong low
frequency torque output capacity and better dynamic response.

3.Abundant functions.

4.Multi-step speed control, simple PLC, PID module and pulse counting

5.Stable and reliable anti tripping function.

6.Stable and reliable overvoltage, overcurrent loss speed control
algorithm, instantaneous power lost non-stop control to prevent
frequent trip under complex applications.

Variable Speed Low Voltage Converter specificaiton

Speed range: 1:50
Overload capability
Type G:150% Rate current 60/s;
Type P:110% Rate current 60/s
Torque boost
Auto Torque boost : Manual
Torque boost 0.1%~20.0%

Four modes: Line, Multi-point , Square V/F curve, V/F separation
Line or S-curve Acc/Dec mode : four kinds of Acc/Dec times. Range of
Acc/Dec Time : 0.0~6000.0s
DC brake frequency:0.00Hz~Max frequency
brake time:0.0s~36.0s
brake current:0.0%~100.0%
Jog frequency range:0.00Hz~50.00Hz
Simple PLC Multi-speed running: 16-speed operating through built-in
PLC or control terminal
Onboard PID: It realizes process-controlled closed loop control system
Automatic voltage


(AVR): It can keep constant output

voltage automatically when the main voltage changes
Overvoltage stall control: The current and voltage are limited
automatically during the running process so as to avoid frequent tripping
due to overvoltage/overcurrent.
Rapid current limit: It helps to avoid frequent over-current faults of the
AC Drive

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