TECHNICAL SPECIFICATIONS OF THE YASKAWA A1000 FREQUENCY CONVERTER:
Power supply: 3 Phase 200V; 3 Phase 400V
Frequency: 50÷60 Hz
Power: 0.4 KW to 630 KW
Overload capacity: 120% for 60s with normal load, 150% for 60s with heavy load
Control function:
V/f control
V/f + PG control
Open-loop Vector control
Closed-loop Vector control
Open-loop Vector control with induction motors (Servo Motor).
Advanced open-loop Vector control for induction motors (Servo Motor)
Closed-loop Vector control for induction motors (Servo Motor)
Control frequency range : 0.01 - 400Hz
Frequency accuracy (Temperature fluctuation):
Digital reference signal: ±0.01% of maximum frequency (−10 - 40˚C)
Analog reference signal : ±0.1% of maximum frequency (25 ±10˚C)
Frequency resolution setting:
Digital reference: 0.01Hz
Analog reference: 0.03Hz / 60Hz (11bit)
Output frequency resolution: 0.001Hz
Input frequency setting: −10 -- +10V, 0 -- +10V, 4 -- 20mA, pulse input.
Starting torque:
150% at 3Hz (V/F control and V/F + PG control)
200% at 0.3Hz (Open Loop Vector Control)
200% at 0 RPM (Closed Loop Vector Control, Closed Loop PM Motor Vector Control, and Open Loop Vector Control for PM Motor)
100% at 5% speed (Open-loop Vector Control for PM motor)
Speed control range:
1:1500 (Closed-loop Vector Control for standard motors and PM motors)
1:200 (Open-loop Vector Control)
1:40 (V/F control and V/F + PG control)
1:20 (Open-loop Vector Control for PM motor)
1:100 (Advanced Open-loop Vector Control for PM motor)
DC braking for the entire power range, with integrated dynamic braking control circuit up to 30kW frequency converters
Encoder speed feedback circuit, profibus-DP, Lonwork, Mechatrolink, CANopen, CC-Link, DeviceNet connection circuits.
Input AC filter, DC filter, extended LCD display.
Applications: Used for cranes, hoists, conveyor loads, stamping machines, industrial pumps, fans