Selection Of The Speed Command; Selection Of The Analog Speed Command Specifications - Mitsubishi Electric MELIPM Series Instruction Manual

8.3 Selection of the Speed Command

8.3.1 Selection of the analog speed command specifications

Pr. 73 "speed command range selection"
You can select the value of the voltage signal entered to terminal 2.
Setting Terminal 2 Input Voltage
0
0 to 10V
1 0 to 5V
Pr. 74 "filter time constant"
You can set the filter time constants of the speed command input terminals
(terminals 2). Increase the value if stable operation cannot be performed due to
the influence of noise on the speed command signal. Decreasing the value
makes the speed command signal more susceptible to noise but the response of
the speed command faster. Conversely, increasing the value makes the speed
command signal less susceptible to noise but the response of the speed
command slower.
Setting
0 to 8
Pr. 902 "speed setting voltage bias"
Pr. 903 "speed setting voltage gain"
You can set the relationship between the magnitude of the speed setting analog
voltage signal input to the terminal 2 and the motor speed. 0V of the speed
setting signal corresponds to approx. 0%, and 5V or 10V (depending on Pr. 73
setting) to approx. 100%.
For details of the calibration method, refer to the instruction manual of the FR-
PU04 parameter unit.
Pr.
Motor speed
902 0 to 7200
903 1 to 7200
Setting Range
Unit
r/min
Motor
rating
Bias
Pr. 902
0
Speed setting signal (%)
8-3
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8 PARAMETER FUNCTIONS
Speed setting
signal
0.0 to 300.0
0.0 to 300.0
Gain
Pr. 903
Factory setting
100
Unit
%
8