Mitsubishi Electric FR-A700 Series, Technical Manual

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8
SPECIFICATIONS
1.1.2 Common specifications
(1) FR-A700
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Control method
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
*1 )
Output frequency range 0.2 to 400Hz (The maximum frequency is 120Hz under Real sensorless vector control and vector control.)
Frequency
setting
resolution
Analog input
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)
Digital input 0.01Hz
Frequency
accuracy
Analog input Within
±
0.2% of the max. output frequency (25
°
C
±
10
°
C)
Digital input Within 0.01% of the set output frequency
Voltage/frequency
characteristics
Base frequency can be set from 0 to 400Hz, constant torque/variable torque pattern or adjustable 5 points V/F can be
selected
Starting torque 200% at 0.3Hz (0.4K to 3.7K), 150% at 0.3Hz (5.5K or more) (under Real sensorless vector control, vector control)
Torque boost Manual torque boost
Acceleration/deceleration time
setting
0 to 3600s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration mode,
backlash measures acceleration/deceleration can be selected
DC injection brake Operation frequency (0 to 120Hz), operation time (0 to 10s), operation voltage (0 to 30%) variable
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
Torque limit value can be set (0 to 400% variable)
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Frequency
setting
signal
Analog input
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
Digital input
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)
Start signal Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be selected
Input signal
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
*1
, P/PI
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
*1
, conditional position droop pulse clear
*1
, DC feeding operation permission,
and DC feeding operation cancel, magnetic flux decay output shutoff.
Pulse train input 100kpps
Operational functions
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
*1 , machine end orientation *1 , pre-excitation, notch filter, machine analyzer *1 , easy
gain tuning, speed feed forward, torque bias *1
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Operating status
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
, orientation
fault
*1
, 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 *1 , life alarm, power savings average value
update timing, current average monitor, fault output 1, 2, and 3 (power-off signal), maintenance timer alarm, remote output,
forward rotation, reverse rotation output
*1
, low-speed output, torque detection, regeneration status output
*1
, start-time tuning
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.
When used with the
FR-A7AY, FR-A7AR
(option)
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)
Pulse train output 50kpps
Pulse/analog output
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.