EI-500 Series Specifications

Output
Features
Maximum Output Voltage 3 phase - 0-200/230Vac 
(proportional to input voltage)
3 phase - 0-460Vac
(proportional to input voltage)
Maximum Output Frequency 400 Hz programmable
Power
Supply
Rated Input Volts/Frequency

1 phase or 3 phase 200-230Vac 50/60 HZ

3 phase 380-460 Vac
50/60 HZ
Allowable Voltage Fluctuation -10% to +10%
Max. Frequency Fluctuation +/- 5%
Control
Features
Control Method Sine Wave PWM (V/F control; vector control selectable)
Frequency Control Range .1 to 400 HZ
Frequency Accuracy
Digital Reference: 0.015 of Max Output Frequency 
Analog Reference: 0.1% of Max Output Frequency 
Frequency Setting Resolution Digital Reference: 0.01 HZ (< 100HZ); 0.1 HZ; >=100 HZ or more)
Output Frequency Resolution .01 HZ
Overload Capacity 150% rated output current for one minute (Inverse time)
Frequency Reference Signal 0-10Vdc (20Kohm) / 4-20mAdc (250 ohm)
frequency setting potentiometer (Selectable)
Accel/Decel Time 0.01  to 999.9 Seconds; 8 separately programmable accel/decel times
Braking Torque Continuous Regenerative Torque: Approx. 20%
150% with optional Braking Resistor
V/HZ Characteristics Possible to program any V/F pattern
Protective
Features
Motor Overload Protection Electronic Thermal Overload Relay
Instantaneous Overcurrent Motor coasts to stop at  approx. 250% inverter rated current
Overload Motor coasts to stop  after 1 minute at 150% of inverter rated output
Overvoltage Motor coasts to stop at 410V (200V series) or 820V (400V series)
Undervoltage Motor coasts to stop DC bus is less than 200Vdc (200V series)
Motor coasts to stop DC bus is less than 400Vdc (400V series)
Momentary Power Loss Programmable: Stop if power loss is 15mS or longer or
continuous operation if power loss is approx. 0.5s or shorter.
Overheat Protected by electronic circuitry
Stall Prevention Level Provided during accel/decel
Not provided during coast to stop
Cooling Fan Fault Protected by electronic circuitry (fan lock detection)
Ground Fault
Power Charge ON until DC Bus voltage reaches 50Vdc or less

500 Series Dimensions
(in mm/Kg)

Model 550-  

Voltage

HP

Width

Height  

Depth

Weight
S1L 230Vac 1 98 130 131 .9
01L 1 98 130 131 .9
S2L 2 129 130 153 1.5
02L  

2

129 130 153 1.5
S3L 3 150 130 155 1.8
03L 3 150 130 155 1.8
05L 5 150 130 155 1.8

7L  

7.5 190 200 186 3.8
 
1H 460Vac 1 98 130 131 .9
02H

2

129 130 153 1.5
03H 3 150 130 155 1.8
05H   5 150 130 155 1.8
07H 7.5 190 200 186 3.8
10H 10 190 200 186 3.8

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