Common Specifications; A.3 Common Specifications - Mitsubishi Electric FR-A700 Instruction Manual

Frequency inverter
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Appendix
A.3

Common specifications

FR-A 740
Control system
Modulation control
Carrier frequency
Analog input
Frequency setting
resolution
Digital input
Analog input
Frequency accuracy
Digital input
Voltage/frequency characteristics
Starting torque
Torque boost
Acceleration/deceleration time
Acceleration/deceleration characteristics
DC injection brake
Stall prevention
Torque limit level
Analog input
Frequency setting
values
Digital input
Start signal
Input signals
Pulse train input
Operational functions
Tab. A-3: Common specifications
FR-A700 EC
Soft-PWM control/high carrier frequency PWM control (selectable from among V/F control,
advanced magnetic flux vector control and real sensorless vector control) / vector control (when
0.015 Hz/0–50 Hz (terminal 2, 4: 0–10 V/12 bit)
0.03 Hz/0–50 Hz/(terminal 2, 4: 0–5 V/11 bit, 0–20 mA /11 bit, terminal 1: 0–±10 V/12 bit)
0.06 Hz/0–50 Hz (terminal 1: 0–±5 V/11 bit)
±0.2% of the maximum output frequency (temperature range 25°C ± 10°C)
±0.01% of the set output frequency
Base frequency adjustable from 0 to 400Hz;
selection between constant torque, variable torque or
optional flexible 5-point V/f characteristics
200 % 0.3 Hz (0.4 kVA to 3.7 kVA),
150 % 0.3 Hz (5.5 kVA or more) under real sensorless vector control or vector control
0; 0.1 to 3600 s (can be set individually)
linear or S-pattern acceleration/deceleration mode,
backlash measures acceleration/deceleration can be selected
Operating frequency (0–120 Hz), operating time ( 0–10 s)
and operating voltage (0–30 %) can be set individually.
Responses threshold 0–220 %, user adjustable, also via analog input
Torque limit value can be set (0 to 400% variable)
Terminal 2, 4: 0 to 5 V DC, 0 to 10 V DC, 0/4 to 20 mA
Terminal 1: –5 to +5V DC, –10 to +10 V DC
Four-digit BCD or 16-bit binary using the setting dial of the operation panel or parameter unit
(when used with the option FR-A7AX)
Forward and reverse rotation or start signal automatic
self-holding input (3-wire input) can be selected.
You can select any twelve signals using Pr. 178 to Pr. 189 (input terminal function selection) from
among multi speed selection, remote setting, stop-on-contact, second function selection, third
function selection, terminal 4 input selection, JOG operation selection, selection of automatic
restart after instantaneous power failure, flying start, external thermal relay input, inverter opera-
tion enable signal (FR-HC/FR-CV connection), FR-HC connection (instantaneous power failure
detection), PU operation/external inter lock signal , external DC injection brake operation start,
PID control enable terminal, brake opening completion signal, PU operation/external operation
switchover, load pattern selection forward rotation reverse rotation boost, V/F switching, load tor-
que high-speed frequency, S-pattern acceleration/deceleration C switchover, pre-excitation, out-
put stop, start self-holding selection, control mode changing, torque limit selection, start-time
tuning start external input, torque bias selection 1, 2 , P/PI control switchover, traverse function
selection, forward rotation command, reverse rotation command, inverter reset, PTC thermistor
input, PID forward reverse operation switchover, PU-NET operation switchover, NET-external ope-
ration switchover, and command source switchover, conditional position pulse train sign
conditional position droop pulse clear
Maximum/minimum frequency setting, frequency jump operation, external thermal relay input
selection, polarity reversible operation, automatic restart after instantaneous power failure opera-
tion, electronic bypass operation, forward/reverse rotation prevention, remote setting, brake
sequence, second function, third function, multi-speed operation, original operation continuation
at instantaneous power failure, stop-on-contact control, load torque high speed frequency con-
trol, droop control, regeneration avoidance, slip compensation, operation mode selection, offline
auto tuning function, online auto tuning function, PID control, computer link operation (RS-485),
motor end orientation
, machine end orientation
analyzer
, easy gain tuning, speed feed forward, and torque bias
Specification
used with option FR-A7AP)
Sine evaluated PWM, Soft PWM
0.2–400 Hz
0.01Hz
Manual torque boost
100 kpps
, pre-excitation, notch filter, machine
Common specifications
,
A - 5

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