146
Fig. 6-17 Expansion PG signal filtering coefficient
It is used to set the filtering times of the feedback speed.
At the low speed, if there is any current vibration noise, you can increase the low-speed filtering times.
Otherwise, the low-speed filtering times shall be decreased to improve the system response features.
This function code will be enabled when X7/X8 are used for the quadrature encoder speed input. It can
only be used for the closed loop vector control of the asynchronous motor. Once it is selected for the
speed input, the other functions of X7/X8 will be disabled automatically. It is set according to the pulses
per revolution (PPR) of the pulse encoder selected.
This function code will be enabled when X7/X8 are used for the quadrature encoder speed input.
0: X7 before X8 1: X8 before X7
When the motor is running forward, X7 is before X8. When the motor is running reversely, X8 is before X7.
When the wiring sequence between the drive terminal and the PG has the same direction with the wiring
sequence between the drive and motor, the set value shall adopt “0” (FWD), otherwise, it shall adopt “1”
(REV). The correspondence relation between the wiring directions can be conveniently adjusted by
changing this parameter, and you do not need to rewire the relevant unit.
This function code will be enabled when X7/X8 are used for the quadrature encoder speed input.
Fig. 6-18 Terminal X7/X8 filtering coefficient
It is used to set the filtering times of the feedback speed.
At the low speed, if there is any current vibration noise, you can increase the low-speed filtering times.
Otherwise, the low-speed filtering times shall be decreased to improve the system response features.
Filtering coefficient of X7/X8 00~99H (30)P04.13
Quadrature encoding direction of X7/X8 0~1 (0)P04.12
Number of pulses per revolution of X7/X8 1~9999 (1024)P04.11
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