Standard Inverter Specifications
9
-
5
Common Specifications
The following specifications apply to both 200 V and 400 V Class Inverters.
* 1. Increase the Inverter capacity if loads exceeding these current values are expected.
* 2. If applied in higher altitudes contact your OMRON representative.
Table 9.3 Common Specifications
Model Number
3G3PV-
Specification
Control method
Sine wave PWM
V/f control
Speed control range
1:40
Speed control accuracy
±2 to 3% (25
°
C ± 10
°
C)
Frequency accuracy (tem-
perature characteristics)
Digital references: ± 0.01% (-10
°
C to +40
°
C)
Analog references: ±0.1% (25
°
C ±10
°
C)
Frequency setting resolu-
tion
Digital references: 0.01 Hz
Analog references: 0.05/50 Hz (10 bit no sign)
Overload capacity and
maximum current
*1
120% of rated output current per minute
Frequency setting signal
0 to 10 V, 4 to 20 mA
Acceleration/Decelera-
tion time
0.0 to 6000.0 s (4 selectable combinations of independent acceleration and deceleration settings)
Main control functions
Restarting for momentary power loss, speed searches, overtorque detection, 4-speed control (maximum), acceleration/decelera-
tion time changes, S-curve acceleration, 3-wire sequence, autotuning, cooling fan ON/OFF control, torque compensation, jump
frequencies, upper and lower limits for frequency references, DC braking for starting and stopping, high-slip braking, PI control
(with sleep function), energy-saving control, RS-422A/485 communications (19.2 kbps maximum), fault reset and function copy-
ing.
Motor protection
Protection by electronic thermal overload relay.
Fuse blown protection
Stops for fuse blown.
Overload protection
120% of rated output current for 1 minute
Overvoltage protection
200 Class Inverter: Stops when main-circuit DC voltage is above 410 V.
400 Class Inverter: Stops when main-circuit DC voltage is above 820 V.
Undervoltage protection
200 Class Inverter: Stops when main-circuit DC voltage is below 190 V.
400 Class Inverter: Stops when main-circuit DC voltage is below 380 V.
Momentary power loss
ridethru
Stops for 15 ms or more.
By selecting the momentary power loss method, operation can be continued if power is restored within 2 s.
Cooling fin overheating
Protection by thermistor.
Stall prevention
Stall prevention during acceleration, deceleration or running.
Grounding protection
Protection by electronic circuits. (50% of inverter rated current)
Charge indicator
Lit when the main circuit DC voltage is approx. 50 V or more.
Protective structure
Enclosed wall-mounted type (NEMA 1): 18.5 kW or less (same for 200 V and 400 V class Inverters)
Open chassis type (IP00): 22 kW or more (same for 200 V and 400 V class Inverters)
Ambient operating tem-
perature
-10
°
C to 40
°
C (Enclosed wall-mounted type)
–10
°
C to 45
°
C (Open chassis type)
Ambient operating humid-
ity
95% max. (with no condensation)
Storage temperature
- 20
°
C to + 60
°
C (short-term temperature during transportation)
Application site
Indoor (no corrosive gas, dust, etc.)
Altitude
1000 m max.*
2
Vibration
10 to 20 Hz, 9.8 m/s
2
max.; 20 to 50 Hz, 2 m/s
2
max
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