Omron RX Series - Page 42

1 Overview
1 - 12
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Input
signal
Frequency
settings
Standard Digital
Operator
Setting via / keys
External signal
*4
0 to 10 VDC, –10 to 10 VDC (Input impedance: 10 kΩ), 4 to 20 mA (Input
impedance: 100
Ω)
External port Setting through RS485 communications
Forward
or
Reverse
operation
/Stop
Standard Digital
Operator
RUN/STOP (Forward/reverse switched via parameter settings)
External signal
Forward/Stop (Reverse/Stop available at the time of multi-functional input terminal
allocation), 3-wire input available (at the time of control circuit terminal block
allocation)
External port Setting through RS485 communications
Multi-function input
*5
8 terminals, NO/NC switchable, sink/source logic switchable
Heavy load (CT): 8 functions can be selected from among 72
Light load (VT): 8 functions can be selected from among 57
Thermistor input terminal
1 terminal (Positive/Negative temperature coefficient of resistance element
switchable)
Output
signal
Multi-function output
*5
5 open collector output terminals: NO/NC switchable, sink/source logic
switchable
1 relay (SPDT contact) output terminal: NO/NC switchable
Heavy load (CT): 6 functions can be
selected from among 55
Light load (VT): 6 functions can be
selected from among 51
Multi-function monitor output
terminal
Analog voltage output (0 to 10 V)
*6
, Analog current output (0 to 20 mA)
*6
, pulse
train output (maximum frequency 3.6 kHz)
Display monitor
Output frequency, Output current, Output torque, Frequency conversion value, Trip
history, I/O terminal status, Electric power, etc.
Other functions
<Heavy load (VT)>
V/f free setting (7), Upper/lower frequency limit, Frequency jump, Curve
acceleration/deceleration, Manual torque boost level/break, Energy-saving
operation, Analog meter adjustment, Starting frequency, Carrier frequency
adjustment, Electronic thermal function (free setting available), External start/end
(frequency/rate), Analog input selection, Trip retry, Restart during momentary
power interruption, Various signal outputs, Reduced voltage startup, Overload
limit, Initialization value setting, Automatic deceleration at power-off, AVR function,
Automatic acceleration/deceleration, Auto tuning (Online/Offline)
<Light load (CT)>
V/f free setting (7), Upper/lower frequency limit, Frequency jump, Curve
acceleration/deceleration, Manual torque boost level/break, Energy-saving
operation, Analog meter adjustment, Starting frequency, Carrier frequency
adjustment, Electronic thermal function (free setting available), External start/end
(frequency/rate), Analog input selection, Trip retry, Restart during momentary
power interruption, Various signal outputs, Reduced voltage startup, Overload
limit, Initialization value setting, Automatic deceleration at power-off, AVR function,
Auto tuning (Online/Offline)
Operating
environment
Operating ambient
temperature
Heavy load (CT): –10 to 50 °C
Light load (VT): –10 to 40 °C
Storage ambient temperature –20 to 65 °C
Operating ambient humidity 20% to 90% (with no condensation)
Vibration resistance
*7
5.9 m/s
2
(0.6 G), 10 to 55 Hz (0.4 to 22 kW)
2.94 m/s
2
(0.3 G), 10 to 55 Hz (30 to 132 kW)
Location
At a maximum altitude of 1,000 m (without corrosive gases or dust)
*8
Item Specifications