Symbol indicated when protective function activates (last 4 faults are stored.)
Fault details
Output frequency, linear speed display (selection changeover), rotation
direction output voltage, internal DC voltage, setting frequency,
communication station No., timer's runtimes, alarm type, control terminal
status (input signal, output signal), operation status, PID (setting value,
measured value and output value), progress of automatic tuning,
accumulative operation time and accumulative fan operation time
Operating and
control conditions
D
is
pl
ay
Output specifications: 1c contact (contact capacity 230V AC, 0.3A resistance load)
Output function: Run signal, arrival signal, overload alarm, frequency
detect, reverse run signal fault alarm, current detect and timer's end
signal (selectable)
Rely output
Output specifications: Max. rating 50V DC and 50mA
Output function: Run signal, arrival signal, overload alarm, frequency
detect, reverse run signal fault alarm, current detect, timer's end signal,
output frequency/current proportion, PWM signal (cycle 1ms) (selectable)
Open-collector output
Output specifications: 0 to 10 V DC (max. 1mA)
Output function: output frequency and output current proportion
(selection changeover)
Analog output
O
ut
pu
t s
ig
na
l
Operates when less than stop frequency
・
Braking torque level: 0 to 100 (set between 20 levels)
・
Braking time: Optional setting for 0.1 to 120s
DC braking
20% or more
Regenerative
braking torque
B
ra
ki
ng
・
Interface: RS485 serial communication
・
Communication speed:4800/9600/19200/38400 bps (selectable)
・
Protocol: MEWTOCOL-COM/MOD-BUS(RTU) (selection changeover)
・
Communication method: Half duplex
・
Max. No. of connected units: 31 units
・
Max. transmission distance: 500m (total length)
Communication
function
PID control mode (optional)
PID function
external fault stop and coast-to-stop (optional)
External stop function
Bias frequency: Optional setting from -99 to 250%
Gain frequency: Optional setting from 0 to 500%
Bias and gain
frequency setting
Optional setting from 0.5 to 400Hz.
Lower frequency
clamp setting
Optional setting from 0.5 to 400Hz.
Upper frequency
clamp setting
Up to 3 place settings(skip frequency band setting from 1 to 10Hz)
Skip frequency setting
・
Multi speed operation: Up to 16 speed settings (Optional setting for frequency)
・
Timer's operation: Up to 8 speed settings (Optional setting for frequency)
・
Pulse input operation: Up to 8 speed settings (Optional setting for frequency)
Used for linking acceleration and deceleration time.
Multi speed
frequency setting
Select 2
nd
functions (acceleration and deceleration time, torque boost,
voltage/frequency characteristics (base frequency and 3C V/F mode),
electronic thermal and analog frequency setting)
2
nd
function select
Linear and S-shaped acceleration and deceleration (selectable)
Acceleration/
deceleration characteristics
0.04 to 3600s (individual acceleration and deceleration setting)
Acceleration/
deceleration time
C
on
tr
ol
204
