Inovance MD280NT2.2GB - Page 124

MD280 User Manual Description of Function Codes
- 123 -
Function Code Parameter Name Setting Range Default
F4-02 Rotational speed tracking speed 1–100 20
In the rotational speed tracking restart mode, select the rotational speed tracking speed. The
larger the value is, the faster the tracking is. However, too large value may cause unreliable
tracking.
Function Code Parameter Name Setting Range Default
F4-03 Startup frequency
WRPD[LPXP
IUHTXHQF\)
0.00 Hz
F4-04 Startup frequency holding time 0.0–36.0s 0.0s
To ensure the motor torque at AC drive startup, set a proper startup frequency. In addition,
WREXLOGH[FLWDWLRQZKHQWKHPRWRUVWDUWVXSWKH$&GULYHUHPDLQVDWWKHVWDUWXSIUHTXHQF\
for a certain period and then accelerates to the set frequency.
If the set target frequency is lower than the startup frequency, the AC drive will not start and
stays in the standby state.
([DPSOH
)  The frequency source is digital setting.
) +] The digital setting frequency is 2.00 Hz.
) +] The startup frequency is 5.00 Hz.
) V The startup frequency holding time is 2.0s.
,QWKLVH[DPSOHWKH$&GULYHVWD\VLQWKHVWDQGE\VWDWHDQGWKHRXWSXWIUHTXHQF\LV+]
([DPSOH
)  The frequency source is digital setting.
) +] The digital setting frequency is 10.00 Hz.
) +] The startup frequency is 5.00 Hz.
) V The startup frequency holding time is 2.0s.
,QWKLVH[DPSOHWKH$&GULYHVWDUWVXS DW+]KROGVWKHIUHTXHQF\IRUVDQG WKHQ
accelerates to the set frequency 10.00 Hz.
 7KHVWDUWXSIUHTXHQF\)LVQRWUHVWULFWHGE\WKHIUHTXHQF\ORZHUOLPLW
 During switchover between forward rotation and reverse rotation, the startup frequency
holding time is disabled.
 The holding time is not included in the acceleration time but in the running time of
simple PLC.
efesotomasyon.com