Explanation Of Parameters - Mitsubishi FR-S520-*K Series Manual

Explanation of Parameters

Pr.0 Torque boost
The motor torque in the low frequency area
can be adjusted according to the load.
100%
Pr.0
Setting
range
Output frequency
Pr.1 Pr.2
Maximum/minimum frequency
The upper limit and lower limit of the output
frequency is clamped.
100%
Frequency setting signal
Pr.3
Base frequency
Set the base frequency (reference frequency for motor
rated torque) between 0 and 120Hz according to the motor.
Pr.4 Pr.5 Pr.6
Multi-speed setting
Various speeds (RH, RM, RL) can be selected
just by changing the contact signal from an
external source.
Each speed (frequency) can be set
between 0 and 120Hz while the inverter is running.
Base frequency
Pr.3
Maximum
Pr.1
frequency
Minimum
frequency
Pr.2
5V
(10V)
(20mA)
"Pr." is the abbreviation of parameter.
Pr.7 Pr.8 Acceleration/deceleration time
For the acceleration time, set the time to reach
the acceleration/deceleration reference frequency
Pr. 20 (default value: 60Hz) from 0Hz,
and for the deceleration time, set the time to reach
0Hz from Pr. 20 (default value: 60Hz).
Pr.20
Acceleration time
Pr.7
Pr.9
Electronic thermal O/L relay
The setting value to protect the motor from
overheating can be set as a current value.
Normally, the motor rated current is set for 50Hz.
When 0A is set, the motor protective function
will not activate. (The inverter output transistor's
protective function will activate.)
When connecting multiple motors, set an external
thermal relay for each motor.
Pr.30 Extended function display selection
Set this to display and set the extended function parameters.
Setting value
0 Display only basic functions
1 Display all parameters
Pr.79 Operation mode selection
The inverter operation modes include operation
with external signal and operation with the PU
(setting dial, touch keys). The mode can be fixed
to one mode, or two modes can be used together.
*Refer to the Instruction Manual for details.
Setting value
Operation is possible by changing between PU
0
(setting dial, touch key) operation or external operation.
1 Operation is possible only with PU (setting dial, touch key) operation.
2 Only external operation is possible.
Operation frequency
3 Setting with setting dial
· Multi-speed selection
· 4 to 20mADC input
Operation frequency
4 External terminal signal
(Multi-speed, 0 to 5VDC, etc.)
PU operation interlock
7
Operation mode external signal changeover
8
Select operation mode by turning PU operation/external operation
mode changeover (X16) signal ON and OFF.
Deceleration time
Pr.8
Details
Details
Starting signal
External terminal (STF/STR)
Starting signal
RUN key
7