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6 Vector Control
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
6-6 Pulse Train Position Control Mode
6
6-6-4 Speed Bias Function
• Use this function to apply speed command bias to the speed command in the pulse train position
control mode.
• It adds the set speed command bias value at the start of the positioning process to enable quick
startup.
• Clear the speed command bias amount before the positioning process is completed.
If the speed bias amount is added during stop, the stop position will be misaligned accordingly.
• Set the bias amount in the Frequency Addition Amount Setting (A145) and the frequency addition
sign in the Frequency Addition Sign Selection (A146).
• Allocate one of the Multi-function Input S1 to S8 Selection (C001 to C008) to 50 (ADD: Frequency
addition).
The set bias value will be added to the speed command while the terminal ADD is ON.
6-6-4 Speed Bias Function
Parameter No. Function name Data Default data Unit
A145
Frequency Addition
Amount Setting
0.00 to 99.99
100.0 to 400.0
0.00 –
A146
Frequency Addition Sign
Selection
00: Add A145 value to output frequency.
01: Subtract A145 value from output
frequency.
00 –
C001 to C008
Multi-function Input S1 to
S8 Selection
50: ADD (Set frequency A145 addition) – –
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