Chapter 9 Specifications and Option devices
9.2 Common specifications
Items
Specifications
Inverter type
Voltage source inverter using IGBT
Control method
Field oriented vector control inverter using Encoder feedback (5.5 ~
220kW)
Speed control
accuracy
l
Analog setting:
±
0.2%(25
±
10
℃
) of max. Speed
l
Digital setting :
±
0.01%(0 ~ 40
℃
) of max. Speed
Speed setting
resolution
l
Analog setting:
±
0.005% of maximum Speed
l
Digital setting: 0.01% of maximum Speed
Speed control feedback
speed
50Hz
Torque control accuracy
3%
Time setting
0.00 ~ 6000.0(sec)
Combination
4 Combinations of acceleration/Deceleration Time
C
on
tr
ol
Accel/
Decel
Pattern
Linear, S-Curve
Braking method
Dynamic braking using external resistors
Braking torque
180%
BrakingUnit
internal
B
ra
ki
ng
Braking resistor
External braking resistor should be provided.
Speed settings
l
Digital setting via keypad
l
Multi-step speed setting by input terminal selection
l
Analog input settings of –10~10V or 4~20mA
l
Remote setting by option card
Analog input
l
3 channels (AI1, AI2, AI3*)
l
-10 ~ 10V, 0~10V, 10 ~ 0V, 40~20mA, 20 ~ 4mA,
(*AI3: -10 ~ 10V, 0~10V, 10 ~ 0V, Motor NTC only)
l
Selectable among 9 different user-defined functions
l
Ai3 (Motor NTC): only available with a LG-OTIS motor used.
In
pu
t
Contact input
l
FX, RX, BX, RST, P1 ~ P7
l
Selectable among 26 different user-defined input functions