Omron 3G3RX - Technical Specification

RX Quick Start Guide
4 RX Quick Start Guide
1.2 Technical specification
Model number 3G3RX- Specifications
Control functions
Control methods Phase-to-phase sinusoidal pulse with modulation PWM (Sensorless vector control, close loop vector with motor feedback, V/F)
Output frequency range 0.10 to 400.00 Hz
Frequency precision
Digital set value: ±0.01% of the max. frequency
Analogue set value: ±0.2% of the max. frequency (25 ±10 ºC)
Resolution of frequency set value
Digital set value: 0.01 Hz
Analog input: 12 bit
Resolution of output frequency 0.01Hz
Starting torque
150%/0.3 Hz (under sensor-less vector control or sensor-less vector control at 0 Hz)
200%/Torque at 0 Hz (under sensor-less vector control at 0Hz, when a motor size one rank lower than specified is connected)
Overload capability 150%/60s, 200%/3s for CT; 120%/60s VT
Frequency set value 0 to 10 VDC (10 K), -10 to 10 VDC (10 K), 4 to 20 mA (100 ), RS485 Modbus, Network options
V/f Characteristics
V/f optionally changeable at base frequencies of 30 to 400 Hz, V/f braking constant torque, reduction torque, sensor-less vector control,
sensor-less vector control at 0 Hz
Functionality
Analogue inputs Analogue inputs 0 to 10 V and -10 to 10 V (10 K), 4 to 20 mA (100 )
Analogue outputs Analog voltage output, Analog current output, Pulse train output
Accel/Decel times 0.01 to 3600.0 s (line/curve selection)
Display
Status indicator LED’s Run, Program, Power, Alarm, Hz, Amps, Volts, %
Digital operator: Available to monitor 23 items, output current, output frequency...
Protection functions
Motor overload protection Electronic Thermal overload relay and PTC thermistor input
Instantaneous overcurrent 200% of rated current for 3 seconds
Overload 150% for 1 minute
Overvoltage 800 V for 400 V type and 400 V for 200 V type
Momentary power loss Decelerates to stop with DC bus controlled, coast to stop
Cooling fin overheat Temperature monitor and error detection
Stall prevention level Stall prevention during acceleration, deceleration and constant speed
Ground fault Detection at power on
Power charge indication On when voltage between P and N is higher than 45V
Ambient conditions
Degree of protection IP20 / IP00
Ambient humidity 90% RH or less (without condensation)
Storage temperature -20°C..+65°C (short-term temperature during transportation)
Ambient temperature -10°C to 50°C
Installation Indoor (no corrosive gas, dust, etc.)
Installation height Max. 1000 m
Vibration
3G3RX-A004 to A220, 5.9 m/s
2
(0.6G), 10 to 55 Hz
3G3RX-A300 to B13K, 2.94 m/s
2
(0.3G), 10 to 55 Hz