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MX2 Inverter Specifications Section 1-2
1-2-2 General Specifications
The following table applies to all MX2 inverters.
Item General Specifications
Protective housing IP 20
Control method Sinusoidal Pulse Width Modulation (PWM) control
Carrier frequency 2 kHz to 15 kHz (derating required depending on the model)
Output frequency range *4 0.1 to 1000 Hz
Frequency accuracy Digital command: 0.01% of the maximum frequency
Analog command: 0.2% of the maximum frequency (25°C ±10°C)
Frequency setting resolution Digital: 0.01 Hz; Analog: max. frequency/1000
Volt./Freq. characteristic V/f control (constant torque, reduced torque, free-V/F): base freq. 30 Hz
~1000 Hz ad-justable
Sensorless vector control, Closed loop control with motor encoder feed-
back: base freq. 30 Hz ~ 400 Hz ad-justable
Overload capacity Dual rating: CT(Heavy duty) : 60 sec. @150%
VT(Normal duty) : 60 sec. @120%
Acceleration/deceleration time 0.01 to 3600 seconds, linear and S-curve accel/decel,
second accel/decel setting available
Starting torque 200% @0.5 Hz (sensorless vector control)
Input signal Freq. setting Operator
panel
Up and Down keys / Value settings
External
signal *8
0 to 10 VDC (input impedance 10 k Ohms), 4 to 20 mA (input impedance
100 Ohms), Potentiometer (1 k to 2 k Ohms, 2 W)
Via network RS485 ModBus RTU, other network option
FWD/REV
run
Operator
panel
Run/Stop (Forward/Reverse run change by command)
External
signal
Forward run/stop, Reverse run/stop
Via network RS485 ModBus RTU, other network option
Intelligent input terminal
Seven terminals, sink/source
changeable by a short bar
68 functions assignable
FW (forward run command), RV (reverse run command), CF1~CF4 (multi-
stage speed setting), JG (jog command), DB (external braking), SET (set
second motor), 2CH (2-stage accel./decel. command), FRS (free run stop
command), EXT (external trip), USP (startup function), CS (commercial
power switchover), SFT (soft lock), AT (analog input selection), RS (reset),
PTC (thermistor thermal protection), STA (start), STP (stop), F/R (forward/
reverse), PID (PID disable), PIDC (PID reset), UP (remote control up func-
tion), DWN (remote control down function), UDC (remote control data
clear), OPE (operator control), SF1~SF7 (multi-stage speed setting; bit
operation), OLR (overload restriction), TL (torque limit enable), TRQ1
(torque limit changeover1), TRQ2 (torque limit changeover2), BOK (Brak-
ing confirmation), LAC (LAD cancellation), PCLR (position deviation clear),
ADD (add frequency enable), F-TM (force terminal mode), ATR (permis-
sion of torque command input), KHC (Cumulative power clear), MI1~MI7
(general purpose inputs for EzSQ), AHD (analog command hold),
CP1~CP3 (multistage-position switches), ORL (limit signal of zero-return),
ORC (trigger signal of zero-return), SPD (speed/position changeover),
GS1,GS2 (STO inputs, safety related signals), 485 (Starting communica-
tion signal), PRG (executing EzSQ program), HLD (retain output frequen-
cy), ROK (permission of run command), EB (rotation direction detection of
B-phase), DISP (display limitation), NO (no function)
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