24
FR-B series common specifications
7.3
FR-B series common specifications
Available only when a vector control compatible option is mounted.
This protective function is not available in the initial status.
Temperature applicable for a short time, e.g. in transit.
Con
tr
o
l sp
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if
ic
a
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ns
Control method
V/F control
Output frequency range
0.2 to 120 Hz (22K or lower), 0.2 to 60 Hz (30K or higher)
Frequency
setting
resolution
Analog input
0.015 Hz/60 Hz (0 to 10 V/12 bits for terminals 2 and 4)
0.03 Hz/60 Hz (0 to 5 V/11 bits or 0 to 20 mA/approx. 11 bits for terminals 2 and 4, 0 to ±10 V/12 bits for terminal 1)
0.06 Hz/60 Hz (0 to ±5 V/11 bits for terminal 1)
Digital input
0.01 Hz
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
Determined by the motor having passed the explosion-proof test by the Japanese Ministry of Health, Labor and Welfare (do not
change).
Acceleration/deceleration
time setting
0 to 3600 s (acceleration and deceleration can be set individually), linear or S-pattern acceleration/deceleration mode, backlash
countermeasures acceleration/deceleration can be selected.
DC injection brake
(induction motor)
0.5 s at 3 Hz (55K or lower), invalid (75K or higher)
Stall prevention operation
level
Activation range of stall prevention operation (0 to 220%). Whether to use the stall prevention or not can be selected.
Oper
ati
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spec
ifi
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ations
Frequency
setting
signal
Analog input
Terminals 2 and 4: 0 to 10 V, 0 to 5 V, 4 to 20 mA (0 to 20 mA) are available.
Terminal 1: -10 to +10 V, -5 to +5 V are available.
Digital input
Input using the setting dial of the operation panel or parameter unit
Four-digit BCD or 16-bit binary (when used with option FR-A8AX)
Start signal
Forward and reverse rotation or start signal automatic self-holding input (3-wire input) can be selected.
Input signals
(twelve terminals)
Low-speed operation command, Middle-speed operation command, High-speed operation command, Second function selection,
Terminal 4 input selection, JOG operation selection, Selection of automatic restart after instantaneous power failure, flying start,
Output stop, Start self-holding selection, Forward rotation command, Reverse rotation command, Inverter reset
The input signal can be changed using
Pr.178 to Pr.189 (input terminal function selection)
.
Pulse train input
100 kpps
Operational functions
Maximum and minimum frequency settings, multi-speed operation, acceleration/deceleration pattern, thermal protection, DC
injection brake, starting frequency, JOG operation, output stop (MRS), stall prevention, regeneration avoidance, frequency jump,
rotation display, automatic restart after instantaneous power failure, remote setting, retry function, carrier frequency selection,
fast-response current limit, forward/reverse rotation prevention, operation mode selection, load torque high-speed frequency
control, speed smoothing control, traverse, applied motor selection, RS-485 communication, PID control, PID pre-charge
function, easy dancer control, cooling fan operation selection, stop selection (deceleration stop/coasting), power-failure
deceleration stop function, PLC function, life diagnosis, maintenance timer, current average monitor, orientation control
control, 24 V power supply input for control circuit, swinging suppression control
Outpu
t s
ignal
Open collector output
(five terminals)
Relay output
(two terminals)
Inverter running, Up to frequency, Instantaneous power failure/undervoltage, Overload warning, Output frequency detection,
Fault
The output signal can be changed using
Pr.190 to Pr.196 (output terminal function selection)
.
Fault codes of the inverter can be output (4 bits) from the open collector.
Pulse train output
50 kpps
Indi
ca
tio
n For meter
Pulse train
output
Max. 2.4 kHz: one terminal (output frequency)
The monitored item can be changed using
Pr.54 FM/CA terminal function selection
.
Voltage
output
Max. 10 VDC: one terminal (output voltage)
The monitored item can be changed using
Pr.158 AM terminal function selection
.
Operation
panel
(FR-DU08)
Operating
status
Output frequency, Output current, Output voltage, Frequency setting value
The monitored item can be changed using
Pr.52 Operation panel main monitor selection
.
Fault record
Fault record is displayed when a fault occurs. Past 8 fault records and the conditions immediately before the fault (output
voltage/current/frequency/cumulative energization time/year/month/date/time) are saved.
Protective/
warning
function
Protective
function
Overcurrent trip during acceleration, Overcurrent trip during constant speed, Overcurrent trip during deceleration or stop,
Regenerative overvoltage trip during acceleration, Regenerative overvoltage trip during constant speed, Regenerative
overvoltage trip during deceleration or stop, Inverter overload trip (electronic thermal relay function), Motor overload trip
(electronic thermal relay function), Heatsink overheat, Instantaneous power failure, Undervoltage, Input phase loss
prevention stop, Brake transistor alarm detection, Upper limit fault detection, Lower limit fault detection, Output side earth
(ground) fault overcurrent, Output short circuit, Output phase loss, External thermal relay operation
, PTC thermistor
operation
, Option fault, Communication option fault, Parameter storage device fault, PU disconnection, Retry count excess
CPU fault, Operation panel power supply short circuit/RS-485 terminals power supply short circuit, 24 VDC power fault,
Abnormal output current detection
, Inrush current limit circuit fault, Communication fault (inverter), Analog input fault, USB
communication fault, Safety circuit fault, Overspeed occurrence
, Signal loss detection
, Encoder phase fault
, 4 mA input
fault
, Pre-charge fault
, PID signal fault
, Option fault, Internal circuit fault, External fault during output operation
Warning
function
Fan alarm, Stall prevention (overcurrent), Stall prevention (overvoltage), Regenerative brake pre-alarm
function pre-alarm, PU stop, Parameter copy, Safety stop, Maintenance timer 1 to 3
, USB host error, Operation panel lock
Password locked
, Parameter write error, Copy operation error, 24 V external power supply operation, Continuous operation
during communication fault
, Load fault warning
Envi
ro
n
m
ent
Surrounding air
temperature
-10°C to +50°C (non-freezing)
Surrounding air humidity
90% RH or less (non-condensing)
Storage temperature
-20°C to +65°C
Atmosphere
Indoors (without corrosive gas, flammable gas, oil mist, dust and dirt, etc.)
Altitude/vibration
2500 m or less (For the installation at an altitude above 1000 m, consider a 3% reduction in the rated current per 500 m increase
in altitude.) 5.9 m/s
2
or less at 10 to 55 Hz (in either X, Y, or Z direction)
