Common Specifications - Mitsubishi Electric FR-A700 Technical Manual

1.1.2

Common specifications

(1) FR-A700
Control method
Output frequency range
Frequency
Analog input
setting
resolution
Digital input
Analog input
Frequency
accuracy
Digital input
Voltage/frequency
characteristics
Starting torque
Torque boost
Acceleration/deceleration time
setting
DC injection brake
Stall prevention operation level Operation current level can be set (0 to 220% adjustable), whether to use the function or not can be selected
Torque limit level
Frequency
Analog input
setting
Digital input
signal
Start signal
Input signal
Pulse train input
Operational functions
Operating status
When used with the
FR-A7AY, FR-A7AR
(option)
Pulse train output
Pulse/analog output
Soft-PWM control/high carrier frequency PWM control (selectable from among V/F control, Advanced magnetic flux vector
control, Real sensorless vector control, and vector control
0.2 to 400Hz (The maximum frequency is 120Hz under Real sensorless vector control and vector control.)
0.015Hz/0 to 60Hz (terminal 2, 4 : 0 to 10V/12bit)
0.03Hz/0 to 60Hz (terminal 2, 4 : 0 to 5V/11bit, 0 to 20mA/about 11bit, terminal 1: 0 to ±10V/12bit)
0.06Hz/0 to 60Hz (terminal1: 0 to ±5V/11bit)
0.01Hz
±
Within 0.2% of the max. output frequency (25°C
Within 0.01% of the set output frequency
Base frequency can be set from 0 to 400Hz, constant torque/variable torque pattern or adjustable 5 points V/F can be
selected
200% at 0.3Hz (0.4K to 3.7K), 150% at 0.3Hz (5.5K or more) (under Real sensorless vector control, vector control)
Manual torque boost
0 to 3600s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration mode,
backlash measures acceleration/deceleration can be selected
Operation frequency (0 to 120Hz), operation time (0 to 10s), operation voltage (0 to 30%) variable
Torque limit value can be set (0 to 400% variable)
Terminal 2, 4 : 0 to 10V, 0 to 5V, 4 to 20mA (0 to 20mA) can be selected
Terminal 1 : -10 to +10V, -5 to +5V can be selected
Input using the setting dial of the operation panel or parameter unit
BCD 4 digit or 16 bit binary (when used with 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 selection, second and third function selection, terminal 4 input selection, JOG operation
selection, selection of automatic restart after instantaneous power failure/flying start, external thermal input, inverter
operation ready signal (FR-HC/FR-CV connection), FR-HC connection (instantaneous power failure detection), PU operation
external interlock signal, external DC injection brake start, PID control valid terminal, brake opening completion signal, PU-
external operation switchover, load pattern selection forward rotation reverse rotation boost, V/F switchover, load torque
high-speed frequency, S-pattern acceleration/deceleration C switchover, pre-excitation, output stop, start self-holding
selection, control mode changing, torque limit selection, start-time tuning start external input, torque bias selection 1, 2
control switchover, forward rotation command, reverse rotation command, inverter reset,PTC thermistor input, PID forward/
rotation operation switchover, PU-NET operation switchover, external-NET operation switchover, command source
switchover, conditional position pulse train sign
and DC feeding operation cancel, magnetic flux decay output shutoff.
100kpps
Maximum/minimum frequency setting, frequency jump, external thermal relay input selection, polarity reversible operation,
automatic restart after instantaneous power failure operation, bypass operation, forward/reverse rotation prevention, remote
setting, brake sequence, second and third function, multi-speed operation, operation continuation at instantaneous power
failure, stop-on contact control, load torque high speed frequency control, 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
gain tuning, speed feed forward, torque bias
You can select any signals using [Pr. 190 to Pr. 196 Output terminal function selection] from among inverter running 1 and 2,
inverter running start command ON, up-to-frequency, instantaneous power failure/under voltage, over load warning, first,
second, and third output frequency (speed, detection, regeneration brake prealarm, electronic thermal relay function
prealarm, PU operation mode, inverter operation ready 1 and 2, output current detection, zero current detection, PID lower
limit, PID upper limit, PID forward/reverse rotation output, electronic bypass MC1, 2, 3, orientation completion
*1
fault , brake opening request, fan alarm output, heatsink overheat pre-alarm, deceleration at an instantaneous power failure,
PID control activated, during retry, PID output interruption, preparation ready
update timing, current average monitor, fault output 1, 2, and 3 (power-off signal), maintenance timer alarm, remote output,
forward rotation, reverse rotation output
completion, in-position *1 , minor fault output1, 2. Open collector output (5 points), relay output (2 points) and alarm code of the
inverter can be output (4 bit) from the open collector.
In addition to the above, you can select any signals using [Pr. 313 to Pr. 322 Extension output terminal function selection] from
among control circuit capacitor life, main circuit capacitor life, cooling fan life, inrush current limit circuit life. (only positive
logic can be set for extension terminals of the FR-A7AR)
50kpps
You can select using [Pr. 54 FM terminal function selection] (pulse train output), [Pr. 158 AM terminal function selection] (analog
output) from among output frequency, motor current (steady or peak value), output voltage, frequency setting, running speed,
motor torque, converter output voltage (steady or peak value), electronic thermal relay function load factor, input power,
output power, load meter, motor excitation current, reference voltage output, motor load factor, power saving effect,
regenerative brake duty, PID set point, PID measured value, motor output, torque command, torque current command, and
torque monitor.
*1
)
±
10°C)
*1
, conditional position droop pulse clear
*1 *1
, machine end orientation , pre-excitation, notch filter, machine analyzer
*1
*1
, low-speed output, torque detection, regeneration status output
8
SPECIFICATIONS
*1
, DC feeding operation permission,
*1
*1 , life alarm, power savings average value
*1
, start-time tuning
*1
, P/PI
*1
, easy
, orientation