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Fr-b Series Common Specifications - Mitsubishi Electric FR-B-750 to 75K Instruction Manual

Fr-b-750 to 75k (200v class), fr-b-750 to 110k (400v class).
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FR-B series common specifications

Control method
Sine wave PWN control (V/F constant control)
Output frequency range
0.2 to 120Hz (22K or less), 0.2 to 60Hz (30K or more)
0.015Hz/0 to 60Hz (terminal 2, 4: 0 to 10V/12bit)
Analog input
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 (terminal 1: 0 to ±5V/11bit)
Digital input
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 is always 50Hz
Acceleration/deceleration time
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 at 3Hz (fixed) is selectable
Stall prevention operation level
Operation current level can be set (0 to 200% adjustable), whether to use the function or not can be selected
Analog input
• Terminal 2, 4: 0 to 10V, 0 to 5V, 4 to 20mA can be selected
Input using the setting dial of the operation panel or parameter unit
Digital input
Four-digit BCD 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.
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 operation enable signal (MT-HC
connection), MT-HC connection (instantaneous power failure detection), PU operation/external inter lock signal, PID control enable terminal,
Input signals
PU operation/external operation switchover, load torque high-speed frequency, S-pattern acceleration/deceleration C switchover, pre-
excitation, 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, command source
switchover, DC feeding operation permission, and DC feeding operation cancel.
Pulse train input
Maximum/minimum frequency setting, frequency jump operation, external thermal relay input selection, polarity reversible operation,
automatic restart after instantaneous power failure operation, electronic bypass operation, forward/reverse rotation prevention, remote
Operational functions
setting, second function, third function, multi-speed operation, original operation continuation at instantaneous power failure, stop-on-
contact control, load torque high speed frequency control, regeneration avoidance, operation mode selection, PID control, computer
link operation (RS-485), speed feed forward.
You can select any signals using Pr. 190 to Pr. 196 (output terminal function selection) from among inverter running, up-to-frequency,
instantaneous power failure/undervoltage, overload warning, output frequency (speed) detection, second output frequency (speed)
detection, third output frequency (speed) detection, regenerative brake pre-alarm, 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
Operating status
rotation reverse rotation output, orientation completion
on, deceleration at an instantaneous power failure, PID control activated, during retry, PID output interruption, life alarm, alarm output 1,
2, 3 (power-off signal), power savings average value update timing, current average value monitor, maintenance timer alarm, remote
output, forward rotation output
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
In addition to the above, you can select any signals using Pr. 313 to Pr. 319 (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
You can select any signals 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,
Pulse/analog output
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.
Output frequency, motor current (steady or peak value), output voltage, frequency setting, running speed,motor torque, overload,
converter output voltage (steady or peak value), electronic thermal relay function load factor, input power, output power, load meter,
motor excitation current, cumlative energization time, actual operation time, motor load factor, cumulative power, energy saving effect,
Operating status
cumulative saving power, regenerative brake duty, PID set point, PID measured value, PID deviation, inverter I/O terminal monitor,
input terminal option monitor
Alarm definition is displayed during the protective function is activated, the output voltage/current/frequency/cumulative energization
Alarm definition
time right before the protection function was activated and past 8 alarm definitions are stored.
Interactive guidance
Operation guide/trouble shooting with a help function
Overcurrent during acceleration, overcurrent during constant speed, overcurrent during deceleration, overvoltage during acceleration,
overvoltage during constant speed, overvoltage during deceleration, inverter protection thermal operation, motor protection thermal
operation, heatsink overheat, instantaneous power failure occurrence, undervoltage, input phase failure, motor overload, output side
earth (ground) fault overcurrent, output short circuit, main circuit element overheat, output phase failure, external thermal relay operation,
Protective/warning function
PTC thermistor operation, option alarm, parameter error, PU disconnection, retry count excess, CPU alarm, operation panel power
supply short circuit, 24VDC power output short circuit, output current detection value excess, inrush current limit circuit alarm,
communication alarm (inverter), error, analog input error, fan fault, overcurrent stall prevention, overvoltage stall prevention, regenerative
brake pre-alarm, electronic thermal relay function pre-alarm, PU stop, maintenance timer alarm
error, copy operation error, operation panel lock, parameter copy alarm.
Ambient temperature
-10°C to +50°C (non-freezing)
Ambient humidity
90%RH maximum (non-condensing)
Storage temperature
-20°C to +65°C
Indoors (without corrosive gas, flammable gas, oil mist, dust and dirt etc.)
Maximum 1000m above sea level, 5.9m/s
Available only when the option (FR-A7AP) is mounted
Can be displayed only on the operation panel (FR-DU07).
Can be displayed only on the parameter unit (FR-PU07/FR-PU04).
Temperature applicable for a short period in transit, etc.
, reverse rotation output
, output terminal option monitor
or less. (conforms to JIS C 60068-2-6)
FR-B Series Specifications
• Terminal 1: -10 to +10V, -5 to +5V can be selected
, fan fault output, heatsink overheat pre-alarm , inverter running/start command
, low speed output, minor failure output and alarm output. Open collector
, option fitting status
, terminal assignment status
, feed back
, brake transistor alarm, parameter write


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