Axpert-Eazy AC Variable Frequency Drive
A.3
13
A
Control Functions
Control Method Digital Space Vector PWM Control
Control Mode V/F, Closed loop V/F, Sensor less Vector Control, Closed loop Vector Control
Frequency Range 0.1 ~ 600 Hz for V/F Control
Frequency Accuracy Digital references: ±0.01% (0 ~ 50ºC) / Analog References: ±0.01% (0 ~ 50ºC)
Output Frequency
Resolution
0.0001 Hz (20-bit)
Frequency Setting
Resolution
0.01 Hz Digital, 0.012 Hz/ 50 Hz Analog (12-bit)
V/ Hz Characteristics 2-Preprogrammed patterns, 1-Custom 3-point setting pattern
Torque Boost Manual / Automatic Selective: 0~20%
Acceleration/ Deceleration
Time
0.1~ 6,00,000 Seconds
Linear or S-Curve selective
Skip Frequency Three frequencies can be set, band can be set up to 10.0 Hz
Slip Compensation Slip compensation frequency up to 5.0 Hz
Carrier Frequency
(Note: 3)
Default: 5 kHz, 2~10 kHz up to AMT-250-4, Default: 4 kHz, 2~6 kHz for AMT-315-4 and higher, 500V and
600V systems.
Operation Specifications
Speed Search Function
Allows the drive to start with rotating machine without damage / tripping. Bump less transfer for redundancy
application (Optional)
Power Loss Carry Through Up to 5 seconds for smooth operation of system during power loss
DC Braking DC Braking start frequency 0.1~50 Hz, Time: 0~25 seconds, Brake current: 15 to 150%
Frequency Setting Input Digital Operation Panel (Keypad)
Potentiometer: 2 k Ohm
Programmable Analog Inputs
Static Pot: Frequency Increase/ Frequency Decrease using digital inputs
Preset Speeds: Using digital inputs Preset input-0, 1 & 2
PLC Analog output –1, 2, 3 & 4
Serial RS-485
Torque Setting Input
Digital Operation Panel (keypad)
Potentiometer: 2 k Ohm
Programmable Analog Inputs
Static Pot: Frequency Increase/ Frequency Decrease using digital inputs
Preset Speeds: Using digital inputs Preset input-0, 1 & 2
PLC Analog output –1, 2, 3 & 4
Serial RS-485
Programmable Analog
Inputs
FSV: 0~5 Vdc or 0~10 Vdc (or Inverse)
FSI: 0~20 mA or 4~20 mA (or Inverse)
VIN: 0~10 Vdc (or Inverse)
IIN: 0~20 mA or 4~20 mA (or Inverse)
Digital Inputs
8-Programmable Sequence Inputs, Sink / Source changeable
Programmable to 42 different options: Not Used, Jog Select, Ramp Select, Preset i/p-0, Preset i/p-
i/p-
2, Freq Increase, Freq Decrease, Aux Drive, Emergency Stop, Fault Reset, Ext Fault, Reverse,
Terminal, Ref Select 0, Ref Select 1, PR Step Skip, PR Step Hold, PR/RSF Reset, PID Bypass, PID
Disable, Emergency Stop-NC, Ext Fault-NC, Run, Stop, Drive Enable-NC, Drive Enable-NO/STO,
input 1, PLC input 2, PLC input 3, PLC input 4, PLC input 5, PLC input 6, PLC input 7, PLC input 8, T
mode, Ready1 F/B, Forward Run, Reverse Run, Forward Jog, Reverse Jog and MBRK Answer