Mitsubishi Electric FR-A700 Series, Техническое руководство

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10
SPECIFICATIONS
(2) FR-F700
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Control method
Soft-PWM control/high carrier frequency PWM control (V/F control, Optimum excitation control, Simple magnetic
flux vector control)
Output frequency range 0.5 to 400Hz
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/11 bit, 0 to 20mA/about 11 bit, terminal 1 : 0 to 10V/12 bit)
0.06Hz/0 to 60Hz (terminal1: 0 to 5V/11bit)
Digital input 0.01Hz
Frequency
accuracy Analog input
Within
±
0.2% of the maximum output frequency (25
±
10 )
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 120% at 3Hz when set to simple magnetic flux vector control and slip compensation
Acceleration/deceleration time setting
0 to 3600s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration
mode 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 150% adjustable), whether to use the function or not can be selected
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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 Four-digit BCD or16-bit binary using the setting dial of the operation panel (when used with the 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, second function selection, terminal 4 input selection, JOG operation selection, selection of
automatic restart after instantaneous power failure, external thermal relay input, HC/CV connection (inverter
operation enable signal), HC connection (instantaneous power failure detection), PU operation/external inter
lock signal, PID control enable terminal, PU operation/external operation switchover, output stop, start self-
holding selection, forward rotation command, reverse rotation command, inverter reset, PTC thermistor input,
PID forward reverse operation switchover, PU-NET operation switchover, NET-external operation switchover,
and command source switchover.
Operational functions
Maximum and minimum frequency settings, frequency jump operation, external thermal relay input selection,
polarity reversible operation, automatic restart after instantaneous power failure, original operation continuation
at instantaneous power failure, bypass operation, forward/reverse rotation prevention, operation mode selection,
PID control, computer link operation (RS-485)
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Operating status
You can select any seven signals using [ Pr. 190 to Pr. 196 Output terminal function selection ] from among inverter
running, up-to-speed, instantaneous power failure/undervoltage, overload warning, output frequency detection,
second output frequency detection, regenerative brake pre-alarm
*4 , electronic thermal relay function pre-alarm,
PU operation mode, inverter operation ready, output current detection, zero current detection, PID lower limit,
PID upper limit, PID forward rotation reverse rotation output, electronic bypass MC1, electronic bypass MC2,
electronic bypass MC3, fan alarm output, heatsink overheat pre-alarm, inverter running/start command on,
deceleration at an instantaneous power failure, PID control activated, during retry, PID output interruption, life
alarm, fault output 3 (power-off signal), power savings average value update timing, current average monitor,
fault output 2, maintenance timer alarm, remote output, alarm output, fault output. 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/analog output
You can select using [ Pr. 54 FM terminal function selection ] (pulse train output)and [ Pr. 158 AM terminal function
selection ] (analog output) from among output frequency, motor current (steady or peak value), output voltage,
frequency setting, running speed, converter output voltage (steady or peak value), electronic thermal relay
function load factor, input power, output power, load meter, reference voltage output, motor load factor, power
saving effect, regenerative brake duty
*4
, PID set point, PID measured value.
Ind
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PU
(FR-DU07/
FR-PU04/
FR-PU07) Operating status
Output frequency, motor current (steady or peak value), output voltage, fault or alarm indication, frequency
setting, running speed, converter output voltage (steady or peak value), electronic thermal relay function load
factor, input power, output power, load meter, cumulative energization time, actual operation time, motor load
factor, cumulative power, power saving effect, cumulative saving power, regenerative brake duty
*4
, PID set point,
PID process value, PID deviation, inverter I/O terminal monitor, input terminal option monitor
*1
, output terminal
option monitor
*1
, option fitting status monitor
*2
, terminal assignment status
*2
.
Alarm description
Fault definition is displayed during fault occurrence, the output voltage/current/frequency/cumulative
energization time right before the fault occurs and past eight fault definitions are stored.
Interactive guidance
Operation guide/trouble shooting with a help function
*2