Industrial arm / Cobot
AS450 Vector Drives
by Step Ia
Specifications
- Pg card power
- 5V, 12V, 300mA
- Speed range vf
- 1:50
- Input voltage (v)
- 380-460
- Instant drop (ms)
- 15
- Overload class
- 150%, 60s
- Output voltage (v)
- 0 - input voltage
- Input frequency hz
- 45-65
- Applicable motor kw
- 2.2-560
- Built in brake unit kw
- 22 and below
- Built in dc reactor kw
- 22 and above
- Efficiency full load
- ≥0.94
- Speed range open loop
- 1:200
- Starting torque vf hz
- 2.50
- Analog input channels
- 2
- Carrier frequency khz
- 1.1-8
- Overload class stable
- 150%, 1min
- Relay output channels
- 2
- Analog output channels
- 2
- Digital input channels
- 7
- Digital input voltage (v)
- 24
- Speed range closed loop
- 1:1000
- Relay output bis channels
- 2
- Dc braking current percent
- 0.0~120.0
- Instant drop threshold vac
- 300
- Starting torque vf percent
- 150
- Voltage unbalance percent
- <3
- Analog input voltage range (v)
- -10~+10
- Starting torque open loop hz
- 0.5
- Analog input current range ma
- 0-20
- Analog output voltage range (v)
- -10~+10
- Analog input accuracy percent
- 0.1
- Analog output current range ma
- 0-20
- Output frequency vf control hz
- 0.00-300.00
- Starting torque closed loop hz
- 0.00
- Analog output accuracy percent
- 0.1
- Open collector output channels
- 2
- Bis contact capacity resistive (a)
- 4.5
- Bis contact capacity sensitive (a)
- 0.4
- Starting torque open loop percent
- 150
- Steady speed precision vf percent
- ±2
- Bis contact capacity resistive vac
- 250
- Bis contact capacity resistive vdc
- 30
- Bis contact capacity sensitive vac
- 250
- Bis contact capacity sensitive vdc
- 30
- Output frequency vector control hz
- 0.00-120.00
- Relay contact capacity inductive (a)
- 1.5
- Starting torque closed loop percent
- 150
- Torque accuracy closed loop percent
- ±5
- Relay contact capacity inductive vac
- 250
- Frequency setting resolution analog hz
- ±0.06/120Hz (11bit + unsigned analog)
- Frequency setting resolution digital hz
- 0.01
- Steady speed precision open loop percent
- ±0.2
- Output frequency accuracy analog percent
- ±0.1
- Output frequency accuracy digital percent
- ±0.01
- Steady speed precision closed loop percent
- ±0.02
Overview
The AS450 Vector Drive from STEP is a high-performance vector drive featuring open/closed loop vector control, torque control, and V/F control. It supports motors from 2.2 to 560 kW, with 150% overload for 60s, built-in brake unit (≤22kW), and DC reactor (≥22kW). Suitable for heavy-duty applications like food extruders, screw compressors, and woodworking machines.
Key features
- ▸Open loop vector control and torque control technology
- ▸Strong master-slave control function for flexible and rigid connection
- ▸High speed lifting function under light or no load to improve efficiency
- ▸Built-in brake unit for 22kW and below, built-in DC reactor for 22kW and above
- ▸1.5 times overload for heavy load of light industry applications
- ▸Wide input voltage range 380-460V (-15% ~ +10%)
- ▸Multiple control methods: V/F, open loop vector, closed loop vector
- ▸Zero servo control for zero-speed position lock
- ▸Process PID for closed-loop process variable control
- ▸Common DC bus full range enabling multiple drives
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