MD380 User Manual Desc
ription of Function Codes
- 195 -
If the output frequency of the AC drive is within the positive and negative amplitudes of the
DQ\IUHTXHQF\UHDFKLQJGHWHFWLRQYDOXHWKHFRUUHVSRQGLQJ'2EHFRPHV21
The MD380 provides two groups of any frequency reached detection parameters, including
IUHTXHQF\GHWHFWLRQYDOXHDQGGHWHFWLRQDPSOLWXGHDVVKRZQLQWKHIROORZLQJ¿JXUH
Figure 6-21 Any frequency reaching detection
Running frequency
2))
Any frequency reached
GHWHFWLRQVLJQDO'2RUUHOD\
2)) 2))
21 21
Time
Any frequency reached
Frequency reached
detection amplitude
Frequency reached
detection amplitude
Function Code Parameter Name Setting Range Default
F8-34 Zero current detection level
0.0%–300.0% (rated
motor current)
5.0%
F8-35 Zero current detection delay time 0.00–600.00s 0.10s
If the output current of the AC drive is equal to or less than the zero current detection level
DQGWKHGXUDWLRQH[FHHGVWKH]HURFXUUHQWGHWHFWLRQGHOD\WLPHWKHFRUUHVSRQGLQJ'2
EHFRPHV217KH]HURFXUUHQWGHWHFWLRQLVVKRZQLQWKHIROORZLQJ¿JXUH
Figure 6-22 Zero current detection
2XWSXWFXUUHQW
F8-34 (Zero current
detection level)
Zero current
detection signal
Time
Time
F8-35
(Zero current
detection delay)
efesotomasyon.com