6.1 Common Settings
6-11
User
Change
Valid Access Levels
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
C1-09
Emergency stop time
f
0.0 to
6000.0
s 10.0
B B B B
D
The setting range for the emergency stop deceleration time depends upon the setting in C1-10 (accel-
eration/deceleration time unit). The table shows the setting range when the factory setting is used for
C1-10.
D
If C1-10 is set to “0” (0.01 s) the setting range will be 0.00 to 600.00 s.
J
Acceleration/Deceleration Time Switching Frequency: C1-11
D
When an acceleration/deceleration time switching frequency is set, the acceleration and deceleration
times will be changed automatically as the frequency passes the set level.
D
If the acceleration/deceleration time selectors 1 and 2 are input via the multi-function inputs, they will
have priority.
User
Change
Valid Access Levels
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
C1-11
Accel/decel time
switching frequency
×
0.0 to 400.0 Hz 0.0
A A A A
Acceleration/Deceleration Times 1 (C1-01 and C1-02) are used when the output frequency ≥ C1-11
Acceleration/Deceleration Times 4 (C1-07 and C1-08) are used when the output frequency < C1-11
Output frequency
Acc/Dec Time Switch-
ing Frequency (C1-11)
C1-07 C1-02C1-01 C1-08
Fig 6.3 Acceleration/Deceleration Time Switching Frequency
6.1.6 Prohibiting Reverse Operation: b1-04
D
Set whether or not to operate the motor in reverse when a reverse reference is input.
D
Set this constant to “1” to disable reverse operation when necessary.
User
Change
Valid Access Levels
Constant
Number
Name
during
Opera-
tion
Setting
Range
Unit
Factory
Setting
V/f
Control
V/f with
PG
Open
Loop
Vector
Flux
Vector
b1-04
Prohibition of re-
verse operation
×
0, 1 − 0
B B B B
D
Settings
Setting Function
0
Allows reverse operation.
1
Prohibits reverse operation.
6
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