YX3000 Senseless Vector Type Inverter Manual
- 125 -
pump Nos. The setting of parameters too short will cause the system pressure shocks, but
the pressure response more quickly.
P7.31
Electromagnetic switching
delay time
Range
：
0.1 — 10.0 second
0.5S
The parameters used to define system delay time of electromagnetic switch, when the
switching from Grid frequency to Variable frequency or Variable frequency to Grid frequency..
In order to prevent the circuit shorten between the inverter output terminal and power supply
caused by electromagnetic switch delay.
P7.32
PID control of positive and
negative role and feedback
pressure error polarity
Range
：
00—11
00
P7.33
Feedback error of pressure
adjustment value
Range
：
0.001—20.00Mpa
0.000Mpa
Unit
：
0
：
PID control function
。
1
：
PID control reaction
。
Ten
：
0
：
Feedback pressure less than the actual pressure
1
：
Feedback pressure is greater than the actual pressure
As the PID is stable, found the set pressure and actual pipeline pressure deviation, can be
adjusted by P7.32 and P7.33 to eliminate the error, when the actual pipeline pressure is
greater than set pressure, P7.3 ten bit set to " 1 ", and the P7.33= actual pressure setting
pressure, when the actual pipeline pressure is greater than set pressure, P7.33 ten bit set to
" 0 ", and the P7.33= set pressure - the actual pressure.
P7.34
Closed loop of preset frequency
Range
：
0
－
Upper limit
0.00Hz
Summary of Contents for YX2000
Page 19: ...YX3000 Senseless Vector Type Inverter Manual 18 W W1 H H1 D b Inverters from 11KW to 90 KW...
Page 21: ...YX3000 Senseless Vector Type Inverter Manual 20 W H D d Inverters from 285KW to 315KW...
Page 22: ...YX3000 Senseless Vector Type Inverter Manual 21 W H D e Inverters from 350KW to 630KW...
