Explanation Of The Basic Function Parameters - Mitsubishi Electric FR-S500 Instruction Manual

6.2 Explanation of the basic function parameters

For details, refer to the separately available instruction manual (detailed).
Pr. 0 "torque boost"
Allows the motor torque in the low speed
range to be adjusted according to the load.
Make adjustment when stall prevention is
operated when starting.
When a constant-torque motor is used, set
the following value:
0.1K to 0.75K
200V class 6%
Values in parenthesis are factory-set
100%
Pr.0
Setting
range
Output
0
frequency
Pr. 3 "base frequency"
Set the base frequency (reference
frequency at rated motor torque) within the
range 0 to 120Hz according to the motor.
Pr. 7 "acceleration time",
Pr. 8 "deceleration time"
As the acceleration time, set the time taken
to reach the acceleration/deceleration
reference frequency in Pr. 20 from 0Hz
(factory set to 60Hz), and as the
deceleration time, set the time taken to
reach 0Hz from the Pr. 20 value (factory set
to 60Hz).
Pr.20
0Hz
Acceleration time Deceleration time
Pr.7
1.5K to 3.7K
4%(6%)
Base
Pr.3
frequency
Pr.8
29
Explanation of the basic function parameters
Pr. 1 "maximum frequency",
Pr. 2 "minimum frequency"
Clamp the upper and lower limits of the
output frequency.
Frequency
setting
Pr. 4 "multi-speed setting (high speed)"
Pr. 5 "multi-speed setting (middle speed)"
Pr. 6 "multi-speed setting (low speed)"
You can select any speed (RH, RM, RL) by
simply switching the external contact
signal.
high-speed
middle speed
low speed
Each speed (frequency) can be set to any
value within the range 0 to 120Hz if the
inverter is running.
The extended functions enable setting of
up to 15 speeds.
CAUTION
The RL signal needs to be assigned
with Pr. 60 and Pr. 63.
Maximum
frequency
Pr.1
Minimum
frequency
Pr.2
5V
(10V)
(20mA)
etc.
RH RM RL
ON OFF OFF
OFF ON OFF
OFF OFF ON
6