Samsung MOSCON-E7 - 5.5.3 Dwell operation; 5.5.3.1 Controlling the dwell operation: S2.01~S2.04

5. Parameters 5-25
5.5.3 Dwell operation
5.5.3.1 Controlling the dwell operation : S2.01~S2.04
Parameter
No.
Name Unit
Setting
range
Factory
Setting
Changeable
during
operation
S2.01
Dwell Frequency
at Start
0.01Hz
0.00
~600.0
0.00 X
S2.02
Dwell Time
at Start
0.01Sec
0.00
~25.00
0.00 X
S2.03
Dwell Frequency
at Stop
0.01Hz
0.00
~600.0
0.00 X
S2.04
Dwell Time
at Stop
0.01Sec
0.00
~25.00
0.00 X
• Dwell function is used to temporarily hold the output frequency when
starting and stopping a motor with heavy load.
Figure 5.10 Timing chart for dwell operation
Output
Frequency
ON
Run Command
S2.01
S2.02
S2.03
S2.04
T
ime
OFF
5-26 MOSCON-E7 User’s Manual
5.5.4 Energy saving operation
Energy can be saved by decreasing the output voltage of the inverter in
steady-state under a light load condition.
Do not use the energy-saving function in normal situation.
5.5.4.1 Setting the energy saving level : S3.01
Parameter
No.
Name Unit Setting range
Factory
Setting
Changeable
during
operation
S3.01
Energy Saving
Voltage Level
1% 0~100 80 X
• If S3.01=80, the output voltage in energy saving mode will be 80% of
the previous value.
5.5.4.2 Setting the energy-saving frequency : S3.02
Parameter
No.
Name Unit Setting range
Factory
Setting
Changeable
during
operation
S3.02
Energy Saving
Frequency
Level
0.01Hz
0.00
~600.0
0.00 X
• S3.02 sets the minimum frequency for the effective energy saving
operation
• Energy-saving command is enabled when output frequency is higher
than the energy-saving frequency and motor speed is within the “speed
match” range or energy saving command is triggered from a external
input terminal.