[An example of the connection of terminals ]
Preset-speed #4
3) Use of a preset-speed command in combination with another speed command
When no preset-speed command is issued, the inverter accepts an input command
from the control panel or another analog input device.
Preset-speed
command
Entered
Not entered
★If a preset-command and another speed command are entered at the same time,
priority is always given to the preset-speed command.
The following figure shows an example of the operation in preset-speed 7 modes with default setting.
Output frequency [Hz]
ST-CC
F-CC
S1-CC
S2-CC
S3-CC
Example of the operation in preset-speed 7 modes
F (Forward run)
R (Reverse run)
CC
S1
S2
S3
S4
Frequency setting signals from the
control panel
Entered
Preset-speed
command valid
Control panel
command valid
0
Forward run command)
Reverse run command)
Preset-speed #1
Preset-speed #2
Preset-speed #3
Other speed commands
Not entered
Preset-speed
command valid
−
E-29
Analog signal input command
(VI, II, RR, RX1 and RX2)
Entered
Preset-speed
Preset-speed
command valid
command valid
Analog signal valid
Not entered
−
Time [s]
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF