User Manual
EM303A General Purpose Inverter
103
Control
1: Run at zero speed after lower limit
frequency running time is up
F3-29
Lower Limit Frequency
Running Time
0.00～600.00 S 60.00 〇
F3-28=0 When the output frequency is lower than the lower limit frequency, the
inverter will always run as per lower limit frequency. The lower limit
frequency is set by F0-18.
F3-28=1 When the output frequency is lower than the lower limit frequency, the
inverter runs per lower limit frequency first, and then runs at zero speed after
the lower limit frequency running time reaches the setting value of F3-29.
The function is applicable to process PID control like constant pressure water
supply, air compressor, and etc.
See Figure 7-12 for lower limit frequency control.
F3-28=0 F3-28=1
Figure 7-12 Lower Limit Frequency Control
No.
Function
Range
Unit Default
Type
F3-30 Open Loop Slip Compensation 0.00～200.00
% 0.00 ●
The speed of motor rotor decreases as load increases. In order to ensure that the speed
of rotor is close to synchronous speed, motor could start slip frequency when motor
is on rated load. When the speed of motor is lower than the objective value, increase
the setting value of F3-30.
★ F3-30=0 Slip compensation is disabled.
No. Function
Range
Unit Default
Type
F3-31 Parameter Copy
0: No Copy
1: Upload Parameter (From inverter to
keypad, F3-31=0 upon completion)
2: Download Parameter (From keypad to
inverter, F3-31=0 upon completion)
0
〇
F3-31=0 No copy.
F3-31=1 Upload the parameters from the control panel of inverter to the EEPROM on
To Next Page
Loading...
Need help?
General