Common Specifications - Mitsubishi Electric FR-F740 EC Instruction Manual

Common specifications

A.4 Common specifications
FR-F740/746
Control system
Modulation control
Output frequency range
Frequency setting
resolution
Frequency accuracy
Speed control range
Voltage/frequency characteristics
Starting torque
Acceleration/deceleration time
Acceleration/deceleration characteristics
DC injection brake
Stall prevention
Frequency setting
values
Start signal
Input signals
Operational functions
Output signals
Output signals
Tab. A-4: Common specifications (1)
A - 4
Specification
V/f control, optimum excitation control or simple magnetic flux vector control
Sine evaluated PWM, Soft PWM
0.5–400Hz
0.015Hz/0–50Hz (terminal 2, 4: 0–10V/12 bit)
Analog input 0.03Hz/0–50Hz/(terminal 2, 4: 0–5V/11 bit, 0–20mA /11 bit, terminal 1: 0–±10V/12 bit)
0.06Hz/0–50Hz (terminal 1: 0–±5V/11 bit)
Digital input 0.01Hz
Analog input ±0.2% of the maximum output frequency (temperature range 25° ± 10°C)
Digital input ±0.01% of the set output frequency
1:10 under V/f control, 1:15 under Simple magnetic flux vector control
Base frequency adjustable from 0 to 400Hz;
selection between constant torque, variable torque or optional flexible 5-point V/f characteristics
120% (3Hz) when set to simple magnetic flux vector control and slip compensation
0 to 3600s (can be set individually)
Linear or S-form course, user selectable
Operating frequency (0–120Hz), operating time ( 0–10 s)
and operating voltage (0–30%) can be set individually.
Responses threshold 0–150%, user adjustable, also via analog input
Terminal 2, 4: 0–5V DC, 0–10V DC, 0/4–20mA
Analog input
Terminal 1: 0–±5V DC, 0–±10V DC
Four-digit BCD or 16-bit binary using the setting dial of the operation panel or parameter unit
Digital input
(when used with the option FR-A7AX)
Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be
selected.
Any of 12 signals can be selected using parameters 178 to 189 (Input terminal function selection):
multi speed, second parameter function, terminal 4 input, JOG operation, automatic restart after
instantaneous power failure, external thermal relay input, FR-HC and FR-CV connection (inverter
operation enable signal), FR-HC connection (instantaneous power failure detection), PU opera-
tion/external interlock signal, external DC injection brake operation start, PID control, PU opera-
tion, PU <–> external operation, output stop, start self-holding selection, traverse function
selection, forward/reverse rotation command, inverter reset, PTC thermistor input, PID forward/
reverse operation switchover, PU <–> NET, External <–> NET operation switchover, command
source switchover, DC feeding operation permission, DC feeding cancel, PID integral value reset,
pre-charge end command, second pre-charge end command, fault clear signal, and sequence
start.
Maximum and minimum frequency settings, frequency jump operation, external thermal relay
input selection, polarity reversible operation, automatic restart after instantaneous power failure
operation, continuous operation at an instantaneous power failure, commercial power supply-
inverter switch over operation, forward/reverse rotation prevention, operation mode selection,
external DC injection braking start, PID control, computer link operation (RS485).
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 war-
ning, output frequency detection, second output frequency detection, regenerative brake prealarm
(01800 or more), electronic thermal relay function pre-alarm, PU operation mode, inverter opera-
tion ready, output current detection, zero current detection, PID lower limit, PID upper limit, PID
forward rotation reverse rotation output, commercial power supply-inverter switchover MC1 to
MC3, commercial power supply side motor 1 to 4 connection, inverter side motor 1 to 4 connec-
tion, fan fault output, heatsink overheat pre-alarm, inverter running start command on, decelera-
Operating status tion at an instantaneous power failure, PID control activated, PID deviation limit, during retry,
during power failure, during PID output suspension, during pre-charge operation, during second
precharge operation, pre-charge time over, second pre-charge time over, pre-charge level over,
second pre-charge level over, pulse train output of output power, BACnet binary output, DC cur-
rent feeding, life alarm, alarm output 3 (power-off signal), power savings average value update
timing, current average monitor, alarm output 2, maintenance timer alarm, remote output, minor
failure output, alarm output, traverse function.
Open collector output (5 points), relay output (2 points) and alarm code of the inverter can be out-
put (4 bit) from the open collector.
You can select any seven signals using Pr. 313 to Pr. 319 (extension output terminal function
When using the
selection) from among control circuit capacitor life, main circuit capacitor life, cooling fan life,
FR-A7AY, FR-A7AR
inrush current limit circuit life.
options
(Only positive logic can be set for extension terminals of the FR-A7AR)
Appendix