7 Detailed Functions
7 - 118
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
• The operation timing is as follows.
• This function is enabled when the 1st/2nd Control Method (A044/A244) is set to 03 (Sensorless
vector control), 04 (0-Hz sensorless vector control), or 05 (Sensor vector control). It provides two sets
of gain and time constant settings for the speed control system (proportional, integral), which can be
selected for use.
• For the control gain switching function, refer to 6-4-3 Control Gain Switching Function on page 6-29.
Control Gain Switching Function (CAS)
Parameter No. Function name Data Default data Unit
A044 1st Control Method 03: Sensorless vector control (Only in
the heavy load mode)
04: 0-Hz sensorless vector control
05: Sensor vector control (V2)
00 –
A244 2nd Control Method
C001 to C008
Multi-function Input S1
to S8 Selection
26: CAS (Control gain switching) – –
H005 1st Speed Response
0.001 to 9.999/10.00 to 80.00
(10.000 to 80.000)
1.590 –
H205 2nd Speed Response
H050 1st PI Proportional Gain
0.0 to 999.9
1000.
100.0
%
H250
2nd PI Proportional
Gain
H051 1st PI Integral Gain
0.0 to 999.9
1000.
100.0
H251 2nd PI Integral Gain
H052 1st P Proportional Gain
0.01 to 10.00 1.00 –
H252 2nd P Proportional Gain
H070
For PI Proportional Gain
Switching
0.0 to 999.9
1000.
100.0
%
H071
For PI Integral Gain
Switching
0.0 to 999.9
1000.
100.0
H072
For P Proportional Gain
Switching
0.00 to 10.00 1.00 –
H073 Gain Switching Time 0. to 9999. 1.00 ms
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