7
Item Specification
Control
Topology SpaceVector PWM using IGBT
Controller Field oriented control, Speed controller with minor current
controller
Speed control accuracy –0.2% (analog), –0.01% (digital) of maximum speed
Speed setting resolution –0.005% of maximum speed
Cutoff frequency of ASR 50 Hz
Range of torque control 1:50
Torque control accuracy –5%
Acceleration/Deceleration 0 ~ 3600 sec, 2 sets of acceleration and deceleration time
available, linear / s curve
Braking Dynamic braking with external resistor (150% of rated torque)
2.2 ~ 7.5 kW : DB circuit is included
Protection Overcurrent, Overvoltage, Low voltage, Inverter overheat,
Inverter NTC failure, Motor overheat, Motor NTC failure, Over
speed, External trip, Fuse open, Ground Fault Protection
Input
Speed setting Terminal V1, V2 (0 ~ –10V, polarity available), Terminal /
(4~20mA)
Analog input 2 Terminal V1, V2 (0 ~ –10V)is defined by user among 7
functions (*1)
Contact inputs FX (forward/up run), RX (reverse/down run), BX (emergency
stop), RST (reset) 7 multi-function inputs (P1~P7) are defined
by user among 17 functions (*2)
Output
Analog output 1 - Analog output 2 Two (2) analog outputs are defined by user among 13 data
selections (*3)
Fault relay A (normal open), B (normal close) C (common)
Auxiliary relay 1, 2 [A1, 1B], [2A, 2B] (normal open) are defined by user among
11 functions (*4)
Open collector 1, 2, 3 OC1, OC2, OC3 are defined by user among 11 functions (*4)
Operating
Condition
Altitude Less than 1000m without derating
Temperature and humidity -10 C ~ 40 C, 90% relative humidity, noncondensing
Cooling Forced air cooling
Class of enclosure [2.2 ~ 7.5kW] IP52, [11 ~ 22kW] IP20
Table 1.1 - SFV1000 Drive Common Specifications
*1 Speed reference value,Torque reference value, Flux reference value,Torque bias value,Torque
limit value, Outer PI Controller reference Input, Outer PI Controller feedback.
*2 Multi-speed select , Multi-accel./decel. time select, Soft start cancel, ASR PI gain select, ASR
P/PI select, Flux reference select, Pre-excitation External trip input (Normally Closed), Speed/
Torque control select, Torque limit ON, Torque bias ON, Forward-run prohibit, Reverse-run
prohibit, 3-Wire Operation, External trip input (Normally Opened).
