-
-
103
2.7.25 FREQUENCY UP/ DOWN FUNCTION
Item Name
Constant to be set
Factory Preset
Accel/Decel Prohibit Function
32 , 33
See page 63
Output Frequency UP/DOWN
operation
20
0000
A) Output frequency UP/DOWN operation by control circuit terminals
When the accel/decel prohibit command is input during acceleration or deceleration, acceleration or
deceleration is prohibited while the command is input, and the output frequency is held.
By inputting the stop command, the accel/decel command is released and the operation is in the stopped
condition.
The accel/decel prohibit command is input from multifunction contact input terminal 4 or 5 .
For the function of terminal 4 or 5 , set all to
32
or
33
Terminal 4 function: Set to
32
.
Terminal 5 function: Set to
33
.
The following shows the time chart when the accel/decel prohibit command is input:
Note : Wen the FWD (REV) run command is input in the status where accel/decel prohibit command is
input, the baseblock status is continued and motor does not operate.
However, when frequency reference lower limit Pn-25
≧
minimum output frequency Pn_07 is set, the
motor operates at the frequency reference lower limit Pn-25.
FWD RUN
OUTPUT FREQUENCY
FREQUENCY
REF.
ACCEL/DECE
PROHIBIT
COMMAND
FREQUENCY AGREED
SIGNAL