hpmont HD09-S Series - Page 70

Shenzhen Hpmont Technology Co., Ltd. Chapter 7 Detailed Function Introduction
HD09-S Series User Manual V1.1 - 65 -
Zero frequency operation (F19.10, F19.11)
See below for details.
Fcmd = Set frequency
Flow = Lower limit frequency (F00.09)
Fstart = Start DWELL frequency (F02.02)
Fmin = Zero frequency threshold (F19.10)
H = Target frequency
F02.03 (Frequency keeping time of DWELL
starting)
Ref. Code Function Description Setting Range [Default]
F19.10 Zero-frequency threshold 0.00 – F00.08 [1.00Hz]
F19.11
Set the frequency below the zero-frequency threshold action selection
0 - 3 [0]
0: Run according to the frequency command.
1: Keep stop status, inverter has no output.
2: Press zero frequency threshold to run.
3: Run at zero frequency.
Fcmd＝Flow
Fcmd＞Flow
Fcmd＞Fmin
F19.11＝1
Fcmd＞Fstart
Reach
F2.03 or
no
Handle by
F19.11 setting
Keep stop
Fcmd＝F19.11
Confirmed frequency
No
No Yes
Yes
Yes
Yes
No
No
Yes
No
H＝Fstart
H＝Fcmd